Circuit module, electronic watch, and method for manufacturing electronic watch

The circuit module for electronic timepieces addresses the complexity of connecting control ICs to motors by using a multi-layered wiring board with loop-shaped paths and selective cutting, resulting in simplified connections and enhanced reliability.

JP2025079933APending Publication Date: 2025-05-23SEIKO EPSON CORP
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Patent Information

Application Number
JP2023192819
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-11-13
Publication Date
2025-05-23

AI Technical Summary

Technical Problem

Existing circuit modules for electronic timepieces face challenges in efficiently connecting control ICs to motors with multiple drive signals, leading to complex wiring configurations and potential reliability issues.

Method used

A circuit module with a wiring board featuring multiple layers and loop-shaped wiring paths, where the control IC has dedicated output terminals for drive signals, and specific connection terminals for motors, allowing selective connections by cutting predetermined paths in the wiring board.

Benefits of technology

This solution simplifies the connection of control ICs to motors, reduces wiring complexity, and enhances reliability by allowing for flexible drive signal routing and efficient motor control.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide an area formed with holes at four portions in a wiring path to selectively connect a control IC to two motors.SOLUTION: A circuit module comprises a wiring board that has a plurality of wiring layers, and a control IC that connects to a first motor and a second motor. The control IC has a first output terminal and a second output terminal, and a third output terminal and a fourth output terminal. The wiring board has a loop-like first wiring path, a loop-like second wiring path, a first connection terminal, a second connection terminal, a third connection terminal, and a fourth connection terminal. The first wiring path has a first path and a second path. The second wiring path has a third path and a fourth path. At least two of the first path, the second path, the third path, and the fourth path are arranged on the different wiring layers and in a predetermined area in plan view.SELECTED DRAWING: Figure 11
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Description

[Technical field]

[0001] The present disclosure relates to a circuit module, an electronic watch, and a method for manufacturing an electronic watch. [Background technology]

[0002] A circuit module used in an electronic timepiece is known. The circuit module described in Patent Document 1 includes a wiring board and a control IC (Integrated Circuit). The wiring board connects the control IC and two motors. The wiring board has a first loop-shaped wiring path and a second loop-shaped wiring path. The control IC and the two motors are selectively connected by cutting two locations of the first wiring path and two locations of the second wiring path. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2016-4021 A Summary of the Invention [Problem to be solved by the invention]

[0004] Four hole forming areas are provided in the wiring path to selectively connect the control IC to the two motors. [Means for solving the problem]

[0005] A circuit module according to the present disclosure includes a wiring board having a plurality of wiring layers, and a control IC connected to a first motor and a second motor, the control IC having a first output terminal and a second output terminal for outputting a first drive signal to one of the first motor and the second motor, and a third output terminal and a fourth output terminal for outputting a second drive signal to one of the first motor and the second motor, the wiring board having a first wiring path in a loop, a second wiring path in a loop, a first connection terminal connected to the first motor, a second connection terminal connected to the first motor, a third connection terminal connected to the second motor, and a fourth connection terminal connected to the second motor, the second wiring path is connected to the second output terminal, the fourth output terminal, the first connection terminal, and the third connection terminal, the first wiring path has a first path arranged between the first output terminal and the first connection terminal, and a second path arranged between the third output terminal and the third connection terminal, the second wiring path has a third path arranged between the second output terminal and the second connection terminal, and a fourth path arranged between the fourth output terminal and the fourth connection terminal, and at least two of the first path, the second path, the third path, and the fourth path are arranged in different wiring layers and within a predetermined area in a planar view.

[0006] The electronic timepiece disclosed herein comprises a first display unit, a second display unit, a first motor that drives the first display unit, a second motor that drives the second display unit, a wiring board having multiple wiring layers, and a control IC that connects to the first motor and the second motor, the control IC having a first output terminal and a second output terminal that output a first drive signal to either the first motor or the second motor, and a third output terminal and a fourth output terminal that output a second drive signal to either the first motor or the second motor, the wiring board having a first connection terminal connected to the first motor, The motor has a second connection terminal connected to the first motor, a third connection terminal connected to the second motor, a fourth connection terminal connected to the second motor, a first path arranged between the first output terminal and the first connection terminal, a second path arranged between the third output terminal and the third connection terminal, a third path arranged between the second output terminal and the second connection terminal, and a fourth path arranged between the fourth output terminal and the fourth connection terminal, and at least two of the first path, the second path, the third path, and the fourth path are arranged in different wiring layers and within a predetermined area in a planar view.

[0007] The manufacturing method of the electronic clock of the present disclosure forms a circuit module including a wiring board on which a loop-shaped first wiring path, a loop-shaped second wiring path, a first connection terminal connected to a first motor, a second connection terminal connected to the first motor, a third connection terminal connected to a second motor, and a fourth connection terminal connected to the second motor are arranged, a control IC having a first output terminal and a second output terminal that output a first drive signal to either one of the first motor and the second motor, and a third output terminal and a fourth output terminal that output a second drive signal to either one of the first motor and the second motor, and cuts at least two of a first path arranged in the first wiring path between the first output terminal and the first connection terminal, a second path arranged in the first wiring path between the third output terminal and the third connection terminal, a third path arranged in the second wiring path between the second output terminal and the second connection terminal, and a fourth path arranged in the second wiring path between the fourth output terminal and the fourth connection terminal within a predetermined area.

Brief Description of the Drawings

[0008] [Figure 1] A diagram showing the external configuration of the clock. [Diagram 2] A diagram showing the external configuration of the clock. [Diagram 3] A diagram showing the schematic configuration of the movement. [Figure 4] A diagram showing the circuit diagram of the wiring configured on the module. [Diagram 5] A diagram showing an example of the cutting position of the wiring. [Figure 6] A diagram showing the circuit diagram of the wiring when the wiring is cut at four cutting positions. [Figure 7] A diagram showing an example of the cutting position of the wiring. [Figure 8] A diagram showing the circuit diagram of the wiring when the wiring is cut at four cutting positions. [Figure 9A] A diagram showing the drive control signal output from the drive control IC. [Figure 9B] A diagram showing the drive control signal output from the drive control IC. [Figure 9C]FIG. 4 is a diagram showing a drive control signal output from a drive control IC. [Figure 10] FIG. 4 is a diagram showing a drive control signal output from a drive control IC. [Figure 11] FIG. 2 is a diagram showing substrate layers that configure the substrate. [Figure 12] FIG. 2 is an enlarged view of a portion of a substrate layer that constitutes a substrate. [Figure 13] FIG. 2 is a diagram showing substrate layers that configure the substrate. [Figure 14] FIG. 2 is an enlarged view of a portion of a substrate layer that constitutes a substrate. [Figure 15] FIG. 2 is a diagram showing substrate layers that configure the substrate. [Figure 16] FIG. 2 is an enlarged view of a portion of a substrate layer that constitutes a substrate. [Figure 17] FIG. 2 is a diagram showing substrate layers that configure the substrate. [Figure 18] FIG. 2 is an enlarged view of a portion of a substrate layer that constitutes a substrate. [Figure 19] FIG. 2 is a diagram showing substrate layers that configure the substrate. [Figure 20] FIG. 2 is an enlarged view of a portion of a substrate layer that constitutes a substrate. [Figure 21] FIG. 2 is a diagram showing substrate layers that configure the substrate. [Figure 22] A diagram showing the manufacturing process of a watch. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0009] 1 and 2 show the external configuration of a watch 1. FIG. 1 shows the external configuration of a first watch 1A, which is an example of a watch 1. FIG. 2 shows the external configuration of a second watch 1B, which is an example of a watch 1. The first watch 1A and the second watch 1B have a chronograph function. The first watch 1A and the second watch 1B have a 12-hour display, date display, home time display, and chronograph display. The first watch 1A and the second watch 1B may have a 24-hour display, day of the week display, etc. instead of a home time display, etc. The first watch 1A and the second watch 1B are equipped with a movement 20 including a module 30. The module 30 and the movement 20 will be described in detail later. The watch 1 corresponds to an example of an electronic watch.

[0010] Several figures including FIG. 1 show an XYZ coordinate system. The X-axis is an axis parallel to the surface on which the watch 1 is placed. The X-axis is an axis parallel to a line connecting the 3 o'clock position and the 9 o'clock position of the watch 1. The +X direction is the direction from the 9 o'clock position to the 3 o'clock position. The -X direction is the direction from the 3 o'clock position to the 9 o'clock position. The Y-axis is an axis parallel to the surface on which the watch 1 is placed. The Y-axis is an axis parallel to a line connecting the 12 o'clock position and the 6 o'clock position of the watch 1. The +Y direction is the direction from the 6 o'clock position to the 12 o'clock position. The -Y direction is the direction from the 12 o'clock position to the 6 o'clock position. The Z-axis is an axis perpendicular to the surface on which the watch 1 is placed. The +Z direction is the direction from the surface on which the watch 1 is placed upward. The -Z direction is the direction from the surface on which the watch 1 is placed downward. The +Z direction corresponds to the upward direction. The -Z direction corresponds to the downward direction.

[0011] The first timepiece 1A shown in FIG. 1 is equipped with an hour hand 2, a minute hand 3, a second hand 4, a minute chronograph hand 5, a home time hand 6, a second chronograph hand 7, a date indicator 8, and a dial 13.

[0012] The hour hand 2 indicates time information. The hour hand 2 indicates the time in a 12-hour format. The hour hand 2 is attached to a pointer shaft 11 that is located in the center or approximately in the center of a dial 13. The hour hand 2 is rotated by a movement 20.

[0013] The minute hand 3 indicates time information. The minute hand 3 indicates the minute in a 12-hour clock. The minute hand 3 is provided coaxially with the pointer shaft 11 to which the hour hand 2 is attached. The minute hand 3 is rotated by the movement 20.

[0014] The second hand 4 indicates time information. The second hand 4 indicates seconds in a 12-hour display. The second hand 4 is provided coaxially with the pointer shaft 11 to which the hour hand 2 is attached. The second hand 4 is rotated by the movement 20.

[0015] The minute chronograph hand 5 displays the measurement value of the stopwatch in minute units. The minute chronograph hand 5 is provided on a minute chronograph hand axis different from the pointer axis 11. The minute chronograph hand 5 is disposed at a position in the +X direction of the pointer axis 11. The minute chronograph hand 5 is rotated by the movement 20.

[0016] The home time hand 6 indicates the time in a time zone preset by the user. The home time hand 6 is provided on a home time hand axis that is different from the pointer axis 11 and the minute chronograph hand axis. The home time hand 6 is positioned in the -Y direction of the pointer axis 11. The home time hand 6 is made up of a home time hour hand 6A and a home time minute hand 6B. The home time hour hand 6A indicates the hour of the home time. The home time minute hand 6B indicates the minute of the home time.

[0017] The second chronograph hand 7 displays the measurement value of the stopwatch in units of seconds. The second chronograph hand 7 is provided on a second chronograph hand axis different from the pointer axis 11, the minute chronograph hand axis, and the hometown hand axis. The second chronograph hand 7 is disposed in a position in the -X direction of the pointer axis 11. The second chronograph hand 7 is rotated by the movement 20.

[0018] The date wheel 8 displays the date. The date wheel 8 is arranged so as to be visible through a window provided in the dial 13. The date wheel 8 is visible in a position in the +X direction and -Y direction of the pointer axis 11. The date wheel 8 is rotated by the movement 20.

[0019] The pivot 11 is provided penetrating the dial 13. The hour hand 2 is attached to the pivot 11. The pivot 11 is disposed in the center or approximately in the center of the dial 13. The movement 20 rotates the hour hand 2 via the pivot 11.

[0020] The dial 13 displays various scales and the like. The dial 13 has a window portion for displaying the date indicator 8 and the like. The dial 13 is configured in a circular plate shape. The dial 13 may be configured of a single member or may be configured of multiple members.

[0021] 2, like the first watch 1A, has an hour hand 2, minute hand 3, second hand 4, minute chronograph hand 5, home time hand 6, second chronograph hand 7, date indicator 8, and dial 13. The hour hand 2, minute hand 3, second hand 4, minute chronograph hand 5, home time hand 6, second chronograph hand 7, date indicator 8, and dial 13 of the second watch 1B have the same functions as the hour hand 2, minute hand 3, second hand 4, minute chronograph hand 5, home time hand 6, second chronograph hand 7, date indicator 8, and dial 13 of the first watch 1A, respectively.

[0022] The hour hand 2, minute hand 3, second hand 4, home time hand 6, and date wheel 8 of the second watch 1B are arranged in the same layout as the hour hand 2, minute hand 3, second hand 4, home time hand 6, and date wheel 8 of the first watch 1A. The minute chronograph hand 5 and second chronograph hand 7 of the second watch 1B are arranged in a different position from the minute chronograph hand 5 and second chronograph hand 7 of the first watch 1A. The minute chronograph hand 5 of the second watch 1B is arranged in a position in the -X direction of the pointer axis 11. The second chronograph hand 7 of the second watch 1B is arranged in a position in the +Y direction of the pointer axis 11.

[0023] Fig. 3 shows a schematic configuration of the movement 20. Fig. 3 shows the movement 20 in a plan view from the +Z direction. The movement 20 rotates the hour hand 2 and the like via a gear train and the like (not shown). The movement 20 includes a module 30 and a plurality of motors.

[0024] The module 30 is a circuit board that drives multiple motors. The module 30 outputs various drive control signals to each of the multiple motors. The module 30 includes a board 31 and a drive control IC 35. The module 30 corresponds to an example of a circuit module.

[0025] The substrate 31 supports the drive control IC 35 and the wiring 50. In FIG. 3, the wiring 50 is omitted. The substrate 31 is composed of a plurality of substrate layers 32. The substrate 31 is composed of five substrate layers 32, for example. The substrate layers 32 include a first substrate layer 32A, a second substrate layer 32B, a third substrate layer 32C, a fourth substrate layer 32D, and a fifth substrate layer 32E. The first substrate layer 32A, the second substrate layer 32B, the third substrate layer 32C, the fourth substrate layer 32D, and the fifth substrate layer 32E are arranged in order in the -Z direction. The first substrate layer 32A, the second substrate layer 32B, the third substrate layer 32C, the fourth substrate layer 32D, and the fifth substrate layer 32E will be described later. The number of substrate layers 32 is not limited to five. The substrate layers 32 may be two or more layers. The area of ​​the substrate 31 in the XY plane is reduced by forming the substrate 31 from a plurality of substrate layers 32. The substrate 31 corresponds to an example of a wiring substrate. The substrate layers 32 correspond to an example of a wiring layer.

[0026] The drive control IC 35 is an integrated circuit that outputs various drive control signals. The drive control IC 35 is connected to a plurality of motors via wiring 50. The drive control IC 35 outputs a drive control signal to each of the plurality of motors to drive the motor. The drive control IC 35 has a plurality of signal output terminals. The plurality of signal output terminals include a first signal output terminal 35A, a second signal output terminal 35B, a third signal output terminal 35C, and a fourth signal output terminal 35D. The drive control IC 35 corresponds to an example of a control IC.

[0027] 3 has seven motors: an hour motor 41, a minute motor 42, a second motor 43, a first function motor 44, a second function motor 45, a third function motor 46, and a home time motor 47. The number of motors is not limited to seven. The movement 20 may have two or more motors.

[0028] The hour motor 41 rotates the hour hand 2. The hour motor 41 is connected to the drive control IC 35 via a wiring 50. The hour motor 41 rotates the hour hand 2 based on a drive control signal output from the drive control IC 35.

[0029] The minute motor 42 rotates the minute hand 3. The minute motor 42 is connected to the drive control IC 35 via a wiring 50. The minute motor 42 rotates the minute hand 3 based on a drive control signal output from the drive control IC 35.

[0030] The second motor 43 rotates the second hand 4. The second motor 43 is connected to the drive control IC 35 via a wiring 50. The second motor 43 rotates the second hand 4 based on a drive control signal output from the drive control IC 35.

[0031] The first function motor 44 rotates either the second chronograph hand 7, the minute chronograph hand 5, etc. The first function motor 44 is connected to the drive control IC 35 via a wiring 50. The first function motor 44 rotates either the second chronograph hand 7, the minute chronograph hand 5 based on a drive control signal output from the drive control IC 35. The first function motor 44 corresponds to an example of a first motor.

[0032] The second function motor 45 rotates either the second chronograph hand 7 or the date indicator 8. The second function motor 45 is connected to the drive control IC 35 via a wiring 50. The second function motor 45 rotates either the second chronograph hand 7 or the date indicator 8 based on a drive control signal output from the drive control IC 35.

[0033] The third function motor 46 rotates either the minute chronograph hand 5, the date indicator 8, etc. The third function motor 46 is connected to the drive control IC 35 via wiring 50. The third function motor 46 rotates either the minute chronograph hand 5, the date indicator 8 based on a drive control signal output from the drive control IC 35. The third function motor 46 corresponds to an example of the second motor.

[0034] The home time motor 47 rotates the home time hand 6. The home time motor 47 is connected to the drive control IC 35 via a wiring 50. The home time motor 47 rotates the home time hour hand 6A and the home time minute hand 6B based on a drive control signal output from the drive control IC 35.

[0035] Fig. 4 shows a circuit diagram of wiring 50 configured on the module 30. Fig. 4 shows wiring 50 between the drive control IC 35 and the first function motor 44 and the third function motor 46. The wiring 50 is disposed on the multiple substrate layers 32 of the substrate 31. Fig. 4 shows a motor drive circuit that drives the first function motor 44 and the third function motor 46.

[0036] 4 shows a first functional motor coil 44C included in the first functional motor 44 and a third functional motor coil 46C included in the third functional motor 46. The first functional motor coil 44C is connected to a first electrode E1 and a second electrode E2. The third functional motor coil 46C is connected to a third electrode E3 and a fourth electrode E4. The first electrode E1, the second electrode E2, the third electrode E3, and the fourth electrode E4 are configured on the module 30. The first electrode E1, the second electrode E2, the third electrode E3, and the fourth electrode E4 correspond to an example of a first connection terminal, a second connection terminal, a third connection terminal, and a fourth connection terminal, respectively.

[0037] The drive control IC 35 has a first signal output terminal 35A, a second signal output terminal 35B, a third signal output terminal 35C, and a fourth signal output terminal 35D. The first signal output terminal 35A and the second signal output terminal 35B output a first drive control signal to either the first function motor 44 or the third function motor 46. The first drive control signal corresponds to an example of a first drive signal. The third signal output terminal 35C and the fourth signal output terminal 35D output a second drive control signal to either the first function motor 44 or the third function motor 46. The second drive control signal corresponds to an example of a second drive signal. The first signal output terminal 35A, the second signal output terminal 35B, the third signal output terminal 35C, and the fourth signal output terminal 35D correspond to an example of a first output terminal, a second output terminal, a third output terminal, and a fourth output terminal, respectively.

[0038] The wiring 50 has a first loop wiring 51, a second loop wiring 53, a first output wiring 55, a second output wiring 56, a third output wiring 57, a fourth output wiring 58, a first connection wiring 61, a second connection wiring 62, a third connection wiring 63, and a fourth connection wiring 64.

[0039] The first loop wiring 51 constitutes a part of the wiring 50. The first loop wiring 51 is a loop-shaped wiring path connected at a first contact 71, a second contact 72, a third contact 73, and a fourth contact 74. The first loop wiring 51 has a first wiring portion 51A, a second wiring portion 51B, a third wiring portion 51C, and a fourth wiring portion 51D. The first loop wiring 51 is configured in a loop shape by connecting the respective wiring portions at the first contact 71, the second contact 72, the third contact 73, and the fourth contact 74.

[0040] The first loop wiring 51 is connected to the first signal output terminal 35A via the first output wiring 55. The first loop wiring 51 is connected to the third signal output terminal 35C via the third output wiring 57. The first loop wiring 51 is connected to the first electrode E1 via the first connection wiring 61. The first loop wiring 51 is connected to the third electrode E3 via the third connection wiring 63. The first loop wiring 51 corresponds to an example of a first wiring path.

[0041] The first wiring portion 51A is connected to the first output wiring 55 and the fourth wiring portion 51D via a first contact 71. The first wiring portion 51A is connected to the first connection wiring 61 and the second wiring portion 51B via a second contact 72. The first wiring portion 51A is disposed between the first signal output terminal 35A and the first electrode E1. The first wiring portion 51A corresponds to an example of a first path.

[0042] The second wiring portion 51B is connected to the first wiring portion 51A and the first connection wiring 61 via a second contact 72. The second wiring portion 51B is connected to the third output wiring 57 and the third wiring portion 51C via a third contact 73. The second wiring portion 51B is disposed between the first electrode E1 and the third signal output terminal 35C. The second wiring portion 51B corresponds to an example of a fifth path.

[0043] The third wiring portion 51C is connected to the third output wiring 57 and the second wiring portion 51B via a third contact 73. The third wiring portion 51C is connected to the third connection wiring 63 and the fourth wiring portion 51D via a fourth contact 74. The third wiring portion 51C is disposed between the third signal output terminal 35C and the third electrode E3. The third wiring portion 51C corresponds to an example of the second path.

[0044] The fourth wiring portion 51D is connected to the third connection wiring 63 and the third wiring portion 51C via a fourth contact 74. The fourth wiring portion 51D is connected to the first output wiring 55 and the first wiring portion 51A via a first contact 71. The fourth wiring portion 51D is disposed between the third electrode E3 and the first signal output terminal 35A. The fourth wiring portion 51D corresponds to an example of a sixth path.

[0045] The second loop wiring 53 constitutes a part of the wiring 50. The second loop wiring 53 is a loop-shaped wiring path connected at a fifth contact 75, a sixth contact 76, a seventh contact 77, and an eighth contact 78. The second loop wiring 53 has a fifth wiring portion 53A, a sixth wiring portion 53B, a seventh wiring portion 53C, and an eighth wiring portion 53D. The second loop wiring 53 is configured in a loop shape by connecting the respective wiring portions at the fifth contact 75, the sixth contact 76, the seventh contact 77, and the eighth contact 78.

[0046] The second loop wiring 53 is connected to the second signal output terminal 35B via the second output wiring 56. The second loop wiring 53 is connected to the fourth signal output terminal 35D via the fourth output wiring 58. The second loop wiring 53 is connected to the second electrode E2 via the second connection wiring 62. The second loop wiring 53 is connected to the fourth electrode E4 via the fourth connection wiring 64. The second loop wiring 53 corresponds to an example of a second wiring path.

[0047] The fifth wiring portion 53A is connected to the second output wiring 56 and the eighth wiring portion 53D via a fifth contact 75. The fifth wiring portion 53A is connected to the second connection wiring 62 and the sixth wiring portion 53B via a sixth contact 76. The fifth wiring portion 53A is disposed between the second signal output terminal 35B and the second electrode E2. The fifth wiring portion 53A corresponds to an example of the third path.

[0048] The sixth wiring portion 53B is connected to the fifth wiring portion 53A and the second connection wiring 62 via a sixth contact 76. The sixth wiring portion 53B is connected to the fourth output wiring 58 and the seventh wiring portion 53C via a seventh contact 77. The sixth wiring portion 53B is disposed between the second electrode E2 and the fourth signal output terminal 35D. The sixth wiring portion 53B corresponds to an example of a seventh path.

[0049] The seventh wiring portion 53C is connected to the fourth output wiring 58 and the sixth wiring portion 53B via a seventh contact 77. The seventh wiring portion 53C is connected to the fourth connection wiring 64 and the eighth wiring portion 53D via an eighth contact 78. The seventh wiring portion 53C is disposed between the fourth signal output terminal 35D and the fourth electrode E4. The seventh wiring portion 53C corresponds to an example of the fourth path.

[0050] The eighth wiring portion 53D is connected to the fourth connection wiring 64 and the seventh wiring portion 53C via an eighth contact 78. The eighth wiring portion 53D is connected to the second output wiring 56 and the fifth wiring portion 53A via a fifth contact 75. The eighth wiring portion 53D is disposed between the fourth electrode E4 and the second signal output terminal 35B. The eighth wiring portion 53D corresponds to an example of an eighth path.

[0051] The first output wiring 55 constitutes a part of the wiring 50. The first output wiring 55 is connected to the first signal output terminal 35A. The first output wiring 55 is connected to the first loop wiring 51 via a first contact 71. The first output wiring 55 is connected to the first signal output terminal 35A and the first loop wiring 51.

[0052] The second output wiring 56 constitutes a part of the wiring 50. The second output wiring 56 is connected to the second signal output terminal 35B. The second output wiring 56 is connected to the second loop wiring 53 via a fifth contact 75. The second output wiring 56 is connected to the second signal output terminal 35B and the second loop wiring 53.

[0053] The third output wiring 57 constitutes a part of the wiring 50. The third output wiring 57 is connected to the third signal output terminal 35C. The third output wiring 57 is connected to the first loop wiring 51 via a third contact 73. The third output wiring 57 is connected to the third signal output terminal 35C and the first loop wiring 51.

[0054] The fourth output wiring 58 constitutes a part of the wiring 50. The fourth output wiring 58 is connected to the fourth signal output terminal 35D. The fourth output wiring 58 is connected to the second loop wiring 53 via a seventh contact 77. The fourth output wiring 58 is connected to the fourth signal output terminal 35D and the second loop wiring 53.

[0055] The first connection wiring 61 constitutes a part of the wiring 50. The first connection wiring 61 is connected to the first electrode E1. The first connection wiring 61 is connected to the first function motor 44 via the first electrode E1. The first connection wiring 61 is connected to the first loop wiring 51 via a second contact 72. The first connection wiring 61 is connected to the first function motor 44 and the first loop wiring 51.

[0056] The second connection wiring 62 constitutes a part of the wiring 50. The second connection wiring 62 is connected to the second electrode E2. The second connection wiring 62 is connected to the first function motor 44 via the second electrode E2. The second connection wiring 62 is connected to the second loop wiring 53 via a sixth contact 76. The second connection wiring 62 is connected to the first function motor 44 and the second loop wiring 53.

[0057] The third connection wiring 63 constitutes a part of the wiring 50. The third connection wiring 63 is connected to the third electrode E3. The third connection wiring 63 is connected to the third function motor 46 via the third electrode E3. The third connection wiring 63 is connected to the first loop wiring 51 via a fourth contact 74. The third connection wiring 63 is connected to the third function motor 46 and the first loop wiring 51.

[0058] The fourth connection wiring 64 constitutes a part of the wiring 50. The fourth connection wiring 64 is connected to the fourth electrode E4. The fourth connection wiring 64 is connected to the third function motor 46 via the fourth electrode E4. The fourth connection wiring 64 is connected to the second loop wiring 53 via an eighth contact 78. The fourth connection wiring 64 is connected to the third function motor 46 and the second loop wiring 53.

[0059] The wiring 50 is connected to the first signal output terminal 35A, the second signal output terminal 35B, and the first function motor 44 via the first loop wiring 51 and the second loop wiring 53. The wiring 50 is connected to the first signal output terminal 35A, the second signal output terminal 35B, and the third function motor 46 via the first loop wiring 51 and the second loop wiring 53.

[0060] The wiring 50 is connected to the third signal output terminal 35C, the fourth signal output terminal 35D, and the first function motor 44 via the first loop wiring 51 and the second loop wiring 53. The wiring 50 is connected to the third signal output terminal 35C, the fourth signal output terminal 35D, and the third function motor 46 via the first loop wiring 51 and the second loop wiring 53.

[0061] By cutting a portion of the first loop wiring 51 and the second loop wiring 53, the first signal output terminal 35A and the second signal output terminal 35B are connected to the first function motor 44. The third signal output terminal 35C and the fourth signal output terminal 35D are connected to the third function motor 46. At this time, the first signal output terminal 35A and the second signal output terminal 35B are not connected to the third function motor 46. The third signal output terminal 35C and the fourth signal output terminal 35D are not connected to the first function motor 44.

[0062] By cutting a portion of the first loop wiring 51 and the second loop wiring 53, the first signal output terminal 35A and the second signal output terminal 35B are connected to the third function motor 46. The third signal output terminal 35C and the fourth signal output terminal 35D are connected to the first function motor 44. At this time, the first signal output terminal 35A and the second signal output terminal 35B are not connected to the first function motor 44. The third signal output terminal 35C and the fourth signal output terminal 35D are not connected to the third function motor 46.

[0063] Fig. 5 shows an example of cutting positions of the wiring 50. Fig. 5 shows four cutting positions. Fig. 5 shows a first position P1, a second position P2, a third position P3, and a fourth position P4 as the four cutting positions.

[0064] The first position P1 is a position on the fourth wiring portion 51D. As an example, the fourth wiring portion 51D is cut at the first position P1. By cutting the fourth wiring portion 51D, the first signal output terminal 35A and the third electrode E3 are disconnected.

[0065] The second position P2 is a position on the eighth wiring portion 53D. The eighth wiring portion 53D is cut at the second position P2, for example. By cutting the eighth wiring portion 53D, the second signal output terminal 35B and the fourth electrode E4 are disconnected.

[0066] The third position P3 is a position on the second wiring portion 51B. As an example, the second wiring portion 51B is cut at the third position P3. By cutting the second wiring portion 51B, the third signal output terminal 35C and the first electrode E1 are disconnected.

[0067] The fourth position P4 is a position on the sixth wiring portion 53B. As an example, the sixth wiring portion 53B is cut at the fourth position P4. By cutting the sixth wiring portion 53B, the fourth signal output terminal 35D and the second electrode E2 are disconnected.

[0068] Fig. 6 shows a circuit diagram of the wiring 50 when the wiring 50 is cut at the four cutting positions. Fig. 6 shows a circuit diagram of a first wiring 50A, which is an example of the wiring 50 cut at the four cutting positions shown in Fig. 5. Fig. 6 omits the cut fourth wiring portion 51D, eighth wiring portion 53D, second wiring portion 51B, and sixth wiring portion 53B.

[0069] The first signal output terminal 35A and the second signal output terminal 35B are connected to the first function motor 44. The first signal output terminal 35A and the second signal output terminal 35B are capable of outputting a first drive control signal to the first function motor 44. The first function motor 44 is driven based on the first drive control signal output from the first signal output terminal 35A and the second signal output terminal 35B.

[0070] The third signal output terminal 35C and the fourth signal output terminal 35D are connected to the third function motor 46. The third signal output terminal 35C and the fourth signal output terminal 35D are capable of outputting a second drive control signal to the third function motor 46. The third function motor 46 is driven based on the second drive control signal output from the third signal output terminal 35C and the fourth signal output terminal 35D.

[0071] Fig. 7 shows an example of cutting positions of the wiring 50. Fig. 7 shows four cutting positions different from the four cutting positions shown in Fig. 5. Fig. 7 shows a fifth position P5, a sixth position P6, a seventh position P7, and an eighth position P8 as the four cutting positions.

[0072] The fifth position P5 is a position on the first wiring portion 51A. As an example, the first wiring portion 51A is cut at the fifth position P5. By cutting the first wiring portion 51A, the connection between the first signal output terminal 35A and the first electrode E1 is broken.

[0073] The sixth position P6 is a position on the fifth wiring portion 53A. As an example, the fifth wiring portion 53A is cut at the sixth position P6. By cutting the fifth wiring portion 53A, the second signal output terminal 35B and the second electrode E2 are disconnected.

[0074] The seventh position P7 is a position on the third wiring portion 51C. As an example, the third wiring portion 51C is cut at the seventh position P7. By cutting the third wiring portion 51C, the third signal output terminal 35C and the third electrode E3 are disconnected.

[0075] The eighth position P8 is a position on the seventh wiring portion 53C. As an example, the seventh wiring portion 53C is cut at the eighth position P8. By cutting the seventh wiring portion 53C, the connection between the fourth signal output terminal 35D and the fourth electrode E4 is broken.

[0076] Fig. 8 shows a circuit diagram of the wiring 50 when the wiring 50 is cut at the four cutting positions. Fig. 8 shows a circuit diagram of the second wiring 50B, which is an example of the wiring 50 cut at the four cutting positions shown in Fig. 7. Fig. 8 omits the first wiring portion 51A, the fifth wiring portion 53A, the third wiring portion 51C, and the seventh wiring portion 53C that are cut.

[0077] The first signal output terminal 35A and the second signal output terminal 35B are connected to the third function motor 46. The first signal output terminal 35A and the second signal output terminal 35B are capable of outputting a first drive control signal to the third function motor 46. The third function motor 46 is driven based on the first drive control signal output from the first signal output terminal 35A and the second signal output terminal 35B.

[0078] The third signal output terminal 35C and the fourth signal output terminal 35D are connected to the first function motor 44. The third signal output terminal 35C and the fourth signal output terminal 35D are capable of outputting a second drive control signal to the first function motor 44. The first function motor 44 is driven based on the second drive control signal output from the third signal output terminal 35C and the fourth signal output terminal 35D.

[0079] Figures 9A, 9B, 9C, and 10 show drive control signals output from the drive control IC 35. Figures 9A, 9B, and 9C show first drive control signals output from the first signal output terminal 35A and the second signal output terminal 35B. Figure 10 shows the second drive control signal output from the third signal output terminal 35C and the fourth signal output terminal 35D.

[0080] As shown in FIG. 9A, FIG. 9B, and FIG. 9C, the first signal output terminal 35A and the second signal output terminal 35B output three types of drive control signals, 32 Hz, 64 Hz, and 85.3 Hz. One of the three types of drive control signals corresponds to an example of the first drive signal. A drive control signal different from one of the three types of drive control signals corresponds to an example of the third drive signal. The first signal output terminal 35A and the second signal output terminal 35B can drive the first function motor 44 or the third function motor 46 at three rotation speeds by outputting one of the three types of drive control signals. The first function motor 44 or the third function motor 46 can move the hands at three rotation speeds. In FIG. 9A, FIG. 9B, and FIG. 9C, the first signal output terminal 35A and the second signal output terminal 35B show that they output three types of drive control signals, but are not limited thereto. The first signal output terminal 35A and the second signal output terminal 35B output two or more types of drive control signals with different frequencies.

[0081] 10, the third signal output terminal 35C and the fourth signal output terminal 35D output a drive control signal of 32 Hz. By outputting a drive control signal of 1, the third signal output terminal 35C and the fourth signal output terminal 35D can drive the first function motor 44 or the third function motor 46 at a rotation speed of 1. The first function motor 44 or the third function motor 46 moves the hands at the rotation speed of 1.

[0082] By cutting the wiring 50 at the cutting position shown in FIG. 5 or FIG. 7, the signal output terminals connected to the first function motor 44 and the third function motor 46 are switched. By cutting the wiring 50 at the cutting position shown in FIG. 5, the first function motor 44 is connected to the first signal output terminal 35A and the second signal output terminal 35B. The third function motor 46 is connected to the third signal output terminal 35C and the fourth signal output terminal 35D. The first function motor 44 can rotate at three rotation speeds. The third function motor 46 rotates at one rotation speed. By cutting the wiring 50 at the cutting position shown in FIG. 7, the first function motor 44 is connected to the third signal output terminal 35C and the fourth signal output terminal 35D. The third function motor 46 is connected to the first signal output terminal 35A and the second signal output terminal 35B. The first function motor 44 rotates at one rotation speed. The third function motor 46 can rotate at three rotation speeds. By cutting the wiring 50 at the cutting positions shown in FIG. 5 or FIG. 7, the rotation speeds at which the first function motor 44 and the third function motor 46 can be adjusted.

[0083] The movement 20 including the module 30 having the first wiring 50A shown in FIG. 6 is incorporated into the second watch 1B as an example. The first function motor 44 connected to the first signal output terminal 35A and the second signal output terminal 35B drives the second chronograph hand 7. The second chronograph hand 7 corresponds to an example of the first display unit. The third function motor 46 connected to the third signal output terminal 35C and the fourth signal output terminal 35D drives the minute chronograph hand 5. The minute chronograph hand 5 corresponds to an example of the second display unit. The movement 20 including the module 30 having the second wiring 50B shown in FIG. 8 is incorporated into the first watch 1A as an example. The third function motor 46 connected to the first signal output terminal 35A and the second signal output terminal 35B drives the date wheel 8. The first function motor 44 connected to the third signal output terminal 35C and the fourth signal output terminal 35D drives the minute chronograph hand 5. The module 30 having the first wiring 50A or the second wiring 50B is selected according to the layout of the hands, etc., arranged in the first watch 1A and the second watch 1B. Regardless of the layout of the hands, etc., the first function motor 44 or the third function motor 46 connected to the third signal output terminal 35C and the fourth signal output terminal 35D drive the minute chronograph hand 5.

[0084] The first function motor 44 or the third function motor 46 connected to the third signal output terminal 35C and the fourth signal output terminal 35D may drive hands and the like other than the minute chronograph hand 5. The configuration of the first function motor 44 or the third function motor 46 connected to the third signal output terminal 35C and the fourth signal output terminal 35D is not limited as long as the hands and the like can be driven at a rotation speed of 1. The first function motor 44 or the third function motor 46 connected to the third signal output terminal 35C and the fourth signal output terminal 35D may drive a hand that is driven less frequently, such as a function hand that indicates the remaining battery level.

[0085] FIG. 11 shows the substrate layer 32 constituting the substrate 31. FIG. 11 shows the first substrate layer 32A, which is one of the substrate layers 32. The first substrate layer 32A is disposed at the position furthest in the +Z direction among the substrate layers 32. The first substrate layer 32A corresponds to the surface layer of the module 30 that is visible to the operator in a plan view. FIG. 11 virtually shows the hour motor 41, the minute motor 42, the second motor 43, the first function motor 44, the second function motor 45, the third function motor 46, and the home time motor 47. FIG. 11 shows the first region R1 and the second region R2. The drive control IC 35 and the wiring 50 are disposed on the first substrate layer 32A. FIG. 11 omits all but a portion of the wiring 50.

[0086] The first substrate layer 32A has a second wiring portion 51B and a third wiring portion 51C which are parts of the wiring 50. The second wiring portion 51B and the third wiring portion 51C are connected via through holes or the like to the wiring 50 arranged on a substrate layer 32 different from the first substrate layer 32A.

[0087] The first region R1 is a region where the manufacturer of the movement 20 performs the wiring cutting process. One example of the wiring cutting process is punching. The punching process forms a hole in the substrate 31, and the wiring 50 is cut. The first region R1 is a region shown in a plan view from the +Z direction. The first region R1 performs the wiring cutting process in the first region R1, and thereby a part of the first loop wiring 51 and the second loop wiring 53 included in the first region R1 is cut. The first region R1 shown in FIG. 11 includes the second wiring portion 51B. The first region R1 on the first substrate layer 32A corresponds to the third position P3 shown in FIG. 5. The first region R1 corresponds to an example of a predetermined region or a second predetermined region.

[0088] The second region R2 is a region where a wire cutting process such as punching is performed by the manufacturer of the movement 20. The second region R2 is a region shown in a plan view from the +Z direction. By performing the wire cutting process in the second region R2, a part of the first loop wiring 51 and the second loop wiring 53 included in the second region R2 is cut. By performing the wire cutting process in the second region R2, a part of the first loop wiring 51 or the second loop wiring 53 included in the second region R2 may be cut. The second region R2 shown in FIG. 11 includes the third wiring portion 51C. The second region R2 on the first substrate layer 32A corresponds to the seventh position P7 shown in FIG. 7. The second region R2 corresponds to an example of a predetermined region or a second predetermined region.

[0089] The positions of the first region R1 and the second region R2 can be set as appropriate, but are preferably located on the outer periphery of the substrate 31. The outer periphery of the substrate 31 is a region in the vicinity of the outer periphery of the substrate 31. As an example, the outer periphery of the substrate 31 is a distance range within 1 / 5 of the outer diameter of the substrate 31 from the outer periphery of the substrate 31. The first region R1 and the second region R2 are preferably set at a position straddling the outer periphery of the substrate 31. By setting the first region R1 and the second region R2 on the outer periphery of the substrate 31, it is easy for a processor of the module 30 to perform wiring cutting processing.

[0090] Fig. 12 shows an enlarged view of a portion of substrate layer 32 constituting substrate 31. Fig. 12 shows an enlarged view of a portion of first substrate layer 32A. Fig. 12 shows an enlarged view of a portion where second wiring portion 51B and third wiring portion 51C are arranged.

[0091] As shown in FIG. 12, the second wiring portion 51B is included in the first region R1. The third wiring portion 51C is included in the second region R2. The wiring 50 arranged on the first substrate layer 32A is not arranged in the first region R1 except for the second wiring portion 51B. When the wiring cutting process is performed in the first region R1, the wiring 50 arranged on the first substrate layer 32A other than the second wiring portion 51B is not cut. The wiring 50 arranged on the first substrate layer 32A is not arranged in the second region R2 except for the third wiring portion 51C. When the wiring cutting process is performed in the second region R2, the wiring 50 arranged on the first substrate layer 32A other than the third wiring portion 51C is not cut.

[0092] FIG. 13 shows the substrate layer 32 constituting the substrate 31. FIG. 13 shows the second substrate layer 32B, which is one of the substrate layers 32. The second substrate layer 32B is disposed in a position in the -Z direction from the first substrate layer 32A. FIG. 13 virtually shows the hour motor 41, the minute motor 42, the second motor 43, the first function motor 44, the second function motor 45, the third function motor 46, and the home time motor 47. FIG. 13 shows the first region R1 and the second region R2. Wiring 50 is disposed on the second substrate layer 32B. FIG. 13 shows a part of the wiring 50.

[0093] The second substrate layer 32B has a fourth wiring portion 51D and a seventh wiring portion 53C which are parts of the wiring 50. The fourth wiring portion 51D and the seventh wiring portion 53C are connected via through holes or the like to the wiring 50 which is arranged on a substrate layer 32 different from the second substrate layer 32B.

[0094] The first region R1 on the second substrate layer 32B includes a fourth wiring portion 51D. The first region R1 corresponds to the first position P1 shown in FIG. 5. The fourth wiring portion 51D may be arranged so as to overlap at least a portion of the second wiring portion 51B arranged on the first substrate layer 32A within the first region R1 in a plan view from the +Z direction. By arranging the fourth wiring portion 51D so as to overlap the second wiring portion 51B, it is possible to set the area of ​​the first region R1 to be smaller.

[0095] The second region R2 on the second substrate layer 32B includes a seventh wiring portion 53C. The second region R2 corresponds to an eighth position P8 shown in FIG. 7. The seventh wiring portion 53C may be arranged in the second region R2 so as to overlap at least a portion of the third wiring portion 51C arranged on the first substrate layer 32A in a plan view from the +Z direction. By arranging the seventh wiring portion 53C so as to overlap the third wiring portion 51C, it is possible to set the area of ​​the second region R2 to be smaller.

[0096] Fig. 14 shows an enlarged view of a portion of substrate layer 32 constituting substrate 31. Fig. 14 shows an enlarged view of a portion of second substrate layer 32B. Fig. 14 shows an enlarged view of the portion where fourth wiring portion 51D and seventh wiring portion 53C are arranged.

[0097] As shown in FIG. 14, the fourth wiring portion 51D is included in the first region R1. The seventh wiring portion 53C is included in the second region R2. The wiring 50 arranged on the second substrate layer 32B is not arranged in the first region R1 except for the fourth wiring portion 51D. When the wiring cutting process is performed in the first region R1, the wiring 50 arranged on the second substrate layer 32B other than the fourth wiring portion 51D is not cut. The wiring 50 arranged on the second substrate layer 32B is not arranged in the second region R2 except for the seventh wiring portion 53C. When the wiring cutting process is performed in the second region R2, the wiring 50 arranged on the second substrate layer 32B other than the seventh wiring portion 53C is not cut.

[0098] FIG. 15 shows the substrate layer 32 constituting the substrate 31. FIG. 15 shows the third substrate layer 32C, which is one of the substrate layers 32. The third substrate layer 32C is disposed in a position in the -Z direction from the second substrate layer 32B. FIG. 15 virtually shows the hour motor 41, the minute motor 42, the second motor 43, the first function motor 44, the second function motor 45, the third function motor 46, and the home time motor 47. FIG. 15 shows the first region R1 and the second region R2. Wiring 50 is disposed on the third substrate layer 32C. FIG. 15 shows a part of the wiring 50.

[0099] The third substrate layer 32C has an eighth wiring portion 53D and a fifth wiring portion 53A which are parts of the wiring 50. The eighth wiring portion 53D and the fifth wiring portion 53A are connected via through holes or the like to the wiring 50 which is arranged on a substrate layer 32 different from the third substrate layer 32C.

[0100] The first region R1 on the third substrate layer 32C includes an eighth wiring portion 53D. The first region R1 corresponds to the second position P2 shown in FIG. 5. The eighth wiring portion 53D may be arranged so as to overlap at least a part of the second wiring portion 51B arranged on the first substrate layer 32A in the first region R1 in a plan view from the +Z direction. The eighth wiring portion 53D may be arranged so as to overlap at least a part of the fourth wiring portion 51D arranged on the second substrate layer 32B in the first region R1 in a plan view from the +Z direction. By arranging the eighth wiring portion 53D so as to overlap the second wiring portion 51B or the fourth wiring portion 51D, it is possible to set the area of ​​the first region R1 to be smaller. By arranging the eighth wiring portion 53D so as to overlap the second wiring portion 51B and the fourth wiring portion 51D, it is possible to set the area of ​​the first region R1 to be smaller.

[0101] The second region R2 on the third substrate layer 32C includes a fifth wiring portion 53A. The second region R2 corresponds to the sixth position P6 shown in FIG. 7. The fifth wiring portion 53A may be arranged so as to overlap at least a part of the third wiring portion 51C arranged on the first substrate layer 32A in the second region R2 in a plan view from the +Z direction. The fifth wiring portion 53A may be arranged so as to overlap at least a part of the seventh wiring portion 53C arranged on the second substrate layer 32B in the second region R2 in a plan view from the +Z direction. By arranging the fifth wiring portion 53A so as to overlap the third wiring portion 51C or the seventh wiring portion 53C, it is possible to set the area of ​​the second region R2 to be smaller. By arranging the fifth wiring portion 53A so as to overlap the third wiring portion 51C and the seventh wiring portion 53C, it is possible to set the area of ​​the second region R2 to be smaller.

[0102] FIG. 16 shows an enlarged view of a part of the substrate layer 32 that constitutes the substrate 31. FIG. 16 shows an enlarged view of a part of the third substrate layer 32C. FIG. 16 shows an enlarged view of a portion where the eighth wiring portion 53D and the fifth wiring portion 53A are arranged.

[0103] As shown in FIG. 16, the eighth wiring portion 53D is included in the first region R1. The fifth wiring portion 53A is included in the second region R2. The wiring 50 arranged on the third substrate layer 32C is not arranged in the first region R1 except for the eighth wiring portion 53D. When a wiring cutting process is performed in the first region R1, the wiring 50 arranged on the third substrate layer 32C other than the eighth wiring portion 53D is not cut. The wiring 50 arranged on the third substrate layer 32C is not arranged in the second region R2 except for the fifth wiring portion 53A. When a wiring cutting process is performed in the second region R2, the wiring 50 arranged on the third substrate layer 32C other than the fifth wiring portion 53A is not cut.

[0104] FIG. 17 shows the substrate layer 32 that constitutes the substrate 31. FIG. 17 shows the fourth substrate layer 32D, which is one of the plurality of substrate layers 32. The fourth substrate layer 32D is arranged at a position in the -Z direction relative to the third substrate layer 32C. FIG. 17 virtually shows the hour motor 41, the minute motor 42, the second motor 43, the first function motor 44, the second function motor 45, the third function motor 46, and the home time motor 47. FIG. 17 shows the first region R1 and the second region R2. Wiring 50 is arranged on the fourth substrate layer 32D. FIG. 17 shows a part of the wiring 50.

[0105] The fourth substrate layer 32D has a sixth wiring portion 53B, which is a part of the wiring 50, and a first wiring portion 51A. The sixth wiring portion 53B and the first wiring portion 51A are connected to the wiring 50 arranged on a substrate layer 32 different from the fourth substrate layer 32D via through holes or the like.

[0106] The first region R1 on the fourth substrate layer 32D includes the sixth wiring portion 53B. The first region R1 corresponds to the fourth position P4 shown in FIG. 5. The sixth wiring portion 53B may be arranged so as to overlap at least a part of the second wiring portion 51B arranged on the first substrate layer 32A in the first region R1 in a plan view from the +Z direction. The sixth wiring portion 53B may be arranged so as to overlap at least a part of the fourth wiring portion 51D arranged on the second substrate layer 32B in the first region R1 in a plan view from the +Z direction. The sixth wiring portion 53B may be arranged so as to overlap at least a part of the eighth wiring portion 53D arranged on the third substrate layer 32C in the first region R1 in a plan view from the +Z direction. By arranging the sixth wiring portion 53B so as to overlap at least one of the second wiring portion 51B, the fourth wiring portion 51D, and the eighth wiring portion 53D, the area of ​​the first region R1 can be set smaller. The sixth wiring portion 53B is arranged so as to overlap the second wiring portion 51B, the fourth wiring portion 51D, and the eighth wiring portion 53D, so that the area of ​​the first region R1 can be set to a smaller size.

[0107] The second region R2 on the fourth substrate layer 32D includes the first wiring portion 51A. The second region R2 corresponds to the fifth position P5 shown in FIG. 7. The first wiring portion 51A may be arranged so as to overlap at least a part of the third wiring portion 51C arranged on the first substrate layer 32A in the second region R2 in a plan view from the +Z direction. The first wiring portion 51A may be arranged so as to overlap at least a part of the seventh wiring portion 53C arranged on the second substrate layer 32B in the second region R2 in a plan view from the +Z direction. The first wiring portion 51A may be arranged so as to overlap at least a part of the fifth wiring portion 53A arranged on the third substrate layer 32C in the second region R2 in a plan view from the +Z direction. By arranging the first wiring portion 51A so as to overlap at least one of the third wiring portion 51C, the seventh wiring portion 53C, and the fifth wiring portion 53A, it is possible to set the area of ​​the second region R2 to be smaller. By arranging the first wiring portion 51A so as to overlap the third wiring portion 51C, the seventh wiring portion 53C, and the fifth wiring portion 53A, it is possible to set the area of ​​the second region R2 to a smaller size.

[0108] Fig. 18 shows an enlarged view of a portion of substrate layer 32 constituting substrate 31. Fig. 18 shows an enlarged view of a portion of fourth substrate layer 32D. Fig. 18 shows an enlarged view of the portion where sixth wiring portion 53B and first wiring portion 51A are arranged.

[0109] As shown in FIG. 18, the sixth wiring portion 53B is included in the first region R1. The first wiring portion 51A is included in the second region R2. The wiring 50 arranged on the fourth substrate layer 32D is not arranged in the first region R1 except for the sixth wiring portion 53B. When the wiring cutting process is performed in the first region R1, the wiring 50 arranged on the fourth substrate layer 32D other than the sixth wiring portion 53B is not cut. The wiring 50 arranged on the fourth substrate layer 32D is not arranged in the second region R2 except for the first wiring portion 51A. When the wiring cutting process is performed in the second region R2, the wiring 50 arranged on the fourth substrate layer 32D other than the first wiring portion 51A is not cut.

[0110] FIG. 19 shows the substrate layer 32 constituting the substrate 31. FIG. 19 shows the fifth substrate layer 32E, which is one of the substrate layers 32. The fifth substrate layer 32E is disposed in a position in the -Z direction from the fourth substrate layer 32D. FIG. 19 virtually shows the hour motor 41, the minute motor 42, the second motor 43, the first function motor 44, the second function motor 45, the third function motor 46, and the home time motor 47. FIG. 19 shows the first region R1 and the second region R2. The first electrode E1, the second electrode E2, the third electrode E3, and the fourth electrode E4 are disposed on the fifth substrate layer 32E. The fifth substrate layer 32E may have a part of the wiring 50.

[0111] The first electrode E1 and the second electrode E2 are disposed at positions connectable to the first functional motor 44. The first electrode E1 and the second electrode E2 are configured to be connectable to the first functional motor 44. The first electrode E1 and the second electrode E2 are connected to wiring 50 disposed on the fifth substrate layer 32E or wiring disposed on a substrate layer 32 different from the fifth substrate layer 32E.

[0112] The third electrode E3 and the fourth electrode E4 are disposed at positions connectable to the third functional motor 46. The third electrode E3 and the fourth electrode E4 are configured to be connectable to the third functional motor 46. The third electrode E3 and the fourth electrode E4 are connected to wiring 50 disposed on the fifth substrate layer 32E or wiring disposed on a substrate layer 32 different from the fifth substrate layer 32E.

[0113] Fig. 20 shows an enlarged view of a portion of substrate layer 32 constituting substrate 31. Fig. 20 shows an enlarged view of a portion of fifth substrate layer 32E. Fig. 20 shows an enlarged view of the vicinity of first region R1 and second region R2.

[0114] 20, the wiring 50 is not arranged in the first region R1 and the second region R2. When the wiring cutting process is performed in the first region R1, the wiring 50 is not cut. When the wiring cutting process is performed in the second region R2, the wiring 50 on the fifth substrate layer 32E is not cut.

[0115] 12, 14, 16, 18, and 20, the first region R1 includes the second wiring portion 51B, the fourth wiring portion 51D, the eighth wiring portion 53D, and the sixth wiring portion 53B. When the wiring cutting process is performed in the first region R1, the second wiring portion 51B, the fourth wiring portion 51D, the eighth wiring portion 53D, and the sixth wiring portion 53B are cut. By performing the wiring cutting process once on the substrate 31, the cutting process is performed on the four cutting positions.

[0116] The second region R2 includes the third wiring portion 51C, the seventh wiring portion 53C, the fifth wiring portion 53A, and the first wiring portion 51A. When the wiring cutting process is performed in the second region R2, the third wiring portion 51C, the seventh wiring portion 53C, the fifth wiring portion 53A, and the first wiring portion 51A are cut. By performing the wiring cutting process once on the substrate 31, the cutting process is performed on four cutting positions.

[0117] The substrate 31 is composed of a first substrate layer 32A shown in FIG. 11, a second substrate layer 32B shown in FIG. 13, a third substrate layer 32C shown in FIG. 15, a fourth substrate layer 32D shown in FIG. 17, and a fifth substrate layer 32E shown in FIG. 19. The second wiring portion 51B, the fourth wiring portion 51D, the eighth wiring portion 53D, and the sixth wiring portion 53B are arranged in the first region R1 of the substrate 31. The substrate 31 is not limited to this configuration. It is sufficient that at least two of the second wiring portion 51B, the fourth wiring portion 51D, the eighth wiring portion 53D, and the sixth wiring portion 53B are arranged in the first region R1 of the substrate 31. By arranging at least two of the second wiring portion 51B, the fourth wiring portion 51D, the eighth wiring portion 53D, and the sixth wiring portion 53B in the first region R1, it is possible to reduce the number of times that the wiring cutting process is performed.

[0118] The third wiring portion 51C, the seventh wiring portion 53C, the fifth wiring portion 53A, and the first wiring portion 51A are arranged in the second region R2 of the substrate 31. The substrate 31 is not limited to this configuration. It is sufficient that at least two of the third wiring portion 51C, the seventh wiring portion 53C, the fifth wiring portion 53A, and the first wiring portion 51A are arranged in the second region R2 of the substrate 31. By arranging at least two of the third wiring portion 51C, the seventh wiring portion 53C, the fifth wiring portion 53A, and the first wiring portion 51A in the second region R2, it is possible to reduce the number of times that the wiring cutting process is performed.

[0119] As shown in FIG. 11 and FIG. 12, the second wiring portion 51B is disposed in the first region R1 of the first substrate layer 32A. The third wiring portion 51C is disposed in the second region R2 of the first substrate layer 32A. As shown in FIG. 13 and FIG. 14, the fourth wiring portion 51D is disposed in the first region R1 of the second substrate layer 32B. The seventh wiring portion 53C is disposed in the second region R2 of the second substrate layer 32B. As shown in FIG. 15 and FIG. 16, the eighth wiring portion 53D is disposed in the first region R1 of the third substrate layer 32C. The fifth wiring portion 53A is disposed in the second region R2 of the third substrate layer 32C. As shown in FIG. 17 and FIG. 18, the sixth wiring portion 53B is disposed in the first region R1 of the fourth substrate layer 32D. The first wiring portion 51A is disposed in the second region R2 of the fourth substrate layer 32D. The arrangement of the first wiring portion 51A, etc. is not limited thereto.

[0120] As an example, at least one of the second wiring portion 51B, the fourth wiring portion 51D, the sixth wiring portion 53B, and the eighth wiring portion 53D may be arranged in the first region R1 of the first substrate layer 32A. The second wiring portion 51B, the fourth wiring portion 51D, the sixth wiring portion 53B, and the eighth wiring portion 53D may not be arranged in the first region R1 of the first substrate layer 32A. At least one of the first wiring portion 51A, the third wiring portion 51C, the fifth wiring portion 53A, and the seventh wiring portion 53C may be arranged in the second region R2 of the first substrate layer 32A. The first wiring portion 51A, the third wiring portion 51C, the fifth wiring portion 53A, and the seventh wiring portion 53C may not be arranged in the second region R2 of the first substrate layer 32A. The arrangement of each wiring portion is not limited as long as two or more wiring portions are arranged in the first region R1. The arrangement of each wiring portion is not limited as long as two or more wiring portions are arranged in the second region R2.

[0121] FIG. 21 shows a substrate layer 32 constituting the substrate 31. FIG. 21 shows an example of a first substrate layer 32A which is one of the substrate layers 32. FIG. 21 shows the first substrate layer 32A in the case where wiring portions such as the second wiring portion 51B are not arranged in the first region R1. At least two of the second wiring portion 51B, the fourth wiring portion 51D, the sixth wiring portion 53B, and the eighth wiring portion 53D are arranged in a substrate layer 32 different from the first substrate layer 32A in the first region R1. FIG. 21 shows the first substrate layer 32A in the case where wiring portions such as the third wiring portion 51C are not arranged in the second region R2. At least two of the second wiring portion 51B, the fourth wiring portion 51D, the sixth wiring portion 53B, and the eighth wiring portion 53D are arranged in a substrate layer 32 different from the first substrate layer 32A in the first region R1. At least two of the first wiring portion 51A, the third wiring portion 51C, the fifth wiring portion 53A, and the seventh wiring portion 53C are disposed on a substrate layer 32 different from the first substrate layer 32A in the second region R2.

[0122] The first mark M1 and the second mark M2 are formed on the first substrate layer 32A shown in FIG. 21. The first mark M1 indicates the first region R1. The second mark M2 indicates the second region R2. A processor of the module 30 can confirm the positions of the first region R1 and the second region R2 by visually checking the first mark M1 and the second mark M2. The first mark M1 and the second mark M2 shown in FIG. 21 are semicircular marks, but are not limited thereto. The first mark M1 and the second mark M2 are not limited in shape as long as they are configured to confirm the positions of the first region R1 and the second region R2, respectively. The first substrate layer 32A shown in FIG. 21 shows the first mark M1 and the second mark M2, but either one of them may be formed on the first substrate layer 32A. The first mark M1 and the second mark M2 correspond to an example of a display.

[0123] The module 30 includes a substrate 31 having a plurality of substrate layers 32, and a drive control IC 35 connected to a first function motor 44 and a third function motor 46. The drive control IC 35 has a first signal output terminal 35A and a second signal output terminal 35B for outputting a first drive control signal to either one of the first function motor 44 and the third function motor 46, and a third signal output terminal 35C and a fourth signal output terminal 35D for outputting a second drive control signal to either one of the first function motor 44 and the third function motor 46. The substrate 31 includes a first loop wiring 51 in a loop shape, a second loop wiring 53 in a loop shape, a first electrode E1 connected to the first function motor 44, a second electrode E2 connected to the first function motor 44, a third electrode E3 connected to the third function motor 46, and a fourth electrode E4 connected to the third function motor 46. The first loop wiring 51 is connected to the first signal output terminal 35A, the third signal output terminal 35C, the first electrode E1, and the third electrode E3. The second loop wiring 53 is connected to the second signal output terminal 35B, the fourth signal output terminal 35D, the second electrode E2, and the fourth electrode E4. The first loop wiring 51 has a first wiring portion 51A arranged between the first signal output terminal 35A and the first electrode E1, and a third wiring portion 51C arranged between the third signal output terminal 35C and the third electrode E3. The second loop wiring 53 has a fifth wiring portion 53A arranged between the second signal output terminal 35B and the second electrode E2, and a seventh wiring portion 53C arranged between the fourth signal output terminal 35D and the fourth electrode E4. At least two of the first wiring portion 51A, the third wiring portion 51C, the fifth wiring portion 53A, and the seventh wiring portion 53C are arranged on different substrate layers 32 and in the second region R2 in a planar view. By performing the wiring cutting process to form holes in the second region R2, it is possible to perform the cutting process with fewer holes than four locations.

[0124] The multiple substrate layers 32 include a first substrate layer 32A that is visible in a planar view. At least one of the first wiring portion 51A, the third wiring portion 51C, the fifth wiring portion 53A, and the seventh wiring portion 53C is preferably disposed within the second region R2 of the first substrate layer 32A in a planar view. A person who processes the module 30 can ascertain the position of the second region R2 by visually checking the position of the wiring portion.

[0125] The multiple substrate layers 32 include a first substrate layer 32A that is visible in a planar view. The first wiring portion 51A, the third wiring portion 51C, the fifth wiring portion 53A, and the seventh wiring portion 53C are not arranged in a first region R1 of the first substrate layer 32A. It is preferable that the second region R2 of the first substrate layer 32A has a second mark M2 indicating the second region R2. A processor of the module 30 can confirm the position of the second region R2 by visually checking the second mark M2.

[0126] The second region R2 is preferably located at the outer periphery of the substrate 31 in a plan view. The person who processes the module 30 can easily perform the wiring cutting process.

[0127] The first signal output terminal 35A and the second signal output terminal 35B output a drive control signal different from the first drive control signal. The first function motor 44 or the third function motor 46 connected to the first signal output terminal 35A or the second signal output terminal 35B can be driven at two different rotation speeds.

[0128] The first loop wiring 51 has a second wiring portion 51B arranged between the first electrode E1 and the third signal output terminal 35C, and a fourth wiring portion 51D arranged between the third electrode E3 and the first signal output terminal 35A. The second loop wiring 53 has a sixth wiring portion 53B arranged between the second electrode E2 and the fourth signal output terminal 35D, and an eighth wiring portion 53D arranged between the fourth electrode E4 and the second signal output terminal 35B. At least two of the second wiring portion 51B, the fourth wiring portion 51D, the sixth wiring portion 53B, and the eighth wiring portion 53D are arranged on different substrate layers 32 and within the first region R1 in a planar view. By forming holes in the first region R1, it is possible to perform the cutting process with fewer holes than four locations.

[0129] The substrate 31 includes four substrate layers 32. The first wiring portion 51A, the third wiring portion 51C, the fifth wiring portion 53A, and the seventh wiring portion 53C are disposed on different substrate layers 32 and within a second region R2 in a planar view. The second wiring portion 51B, the fourth wiring portion 51D, the sixth wiring portion 53B, and the eighth wiring portion 53D are disposed on different substrate layers 32 and within a first region R1 in a planar view. A processor of the module 30 can generate a module 30 that can be incorporated into the movement 20 by performing a wiring cutting process on the first region R1 or the second region R2.

[0130] The second timepiece 1B includes a second chronograph hand 7, a minute chronograph hand 5, a first function motor 44 that drives the second chronograph hand 7, a third function motor 46 that drives the minute chronograph hand 5, a substrate 31 having a plurality of substrate layers 32, and a drive control IC 35 that connects to the first function motor 44 and the third function motor 46. The drive control IC 35 has a first signal output terminal 35A and a second signal output terminal 35B that output a first drive control signal to either the first function motor 44 or the third function motor 46, and a third signal output terminal 35C and a fourth signal output terminal 35D that output a second drive control signal to either the first function motor 44 or the third function motor 46. The substrate 31 has a first electrode E1 connected to the first function motor 44, a second electrode E2 connected to the first function motor 44, a third electrode E3 connected to the third function motor 46, a fourth electrode E4 connected to the third function motor 46, a first wiring portion 51A arranged between the first signal output terminal 35A and the first electrode E1, a third wiring portion 51C arranged between the third signal output terminal 35C and the third electrode E3, a fifth wiring portion 53A arranged between the second signal output terminal 35B and the second electrode E2, and a seventh wiring portion 53C arranged between the fourth signal output terminal 35D and the fourth electrode E4. At least two of the first wiring portion 51A, the third wiring portion 51C, the fifth wiring portion 53A, and the seventh wiring portion 53C are arranged on different substrate layers 32 and in the second region R2 in a plan view. The second watch 1B is assembled from a module 30 which can be used in other watches 1.

[0131] Fig. 22 shows the manufacturing steps for the timepiece 1. Fig. 22 shows the manufacturing steps for the timepiece 1 in a flow chart. The timepiece 1 is manufactured through the manufacturing steps shown in Fig. 22. The manufacturing steps correspond to an example of a manufacturing method.

[0132] In step S101, the module 30 is formed. By forming wiring 50 and the like on a base substrate, a first substrate layer 32A shown in FIG. 11, a second substrate layer 32B shown in FIG. 13, a third substrate layer 32C shown in FIG. 15, a fourth substrate layer 32D shown in FIG. 17, and a fifth substrate layer 32E shown in FIG. 19 are formed. A drive control IC 35 is disposed on the first substrate layer 32A. The first substrate layer 32A, the second substrate layer 32B, the third substrate layer 32C, the fourth substrate layer 32D, and the fifth substrate layer 32E are arranged in a multi-layered manner and bonded. By bonding the five substrate layers 32, a module 30 including a substrate 31 is formed. The module 30 has wiring 50 that constitutes the circuit shown in FIG. 4.

[0133] The substrate layer 32 shown in FIG. 11, FIG. 13, FIG. 15, FIG. 17, and FIG. 19 has a first wiring portion 51A, a third wiring portion 51C, a fifth wiring portion 53A, and a seventh wiring portion 53C in the second region R2. The substrate layer 32 has a second wiring portion 51B, a fourth wiring portion 51D, a sixth wiring portion 53B, and an eighth wiring portion 53D in the first region R1. The configuration of the substrate 31 is not limited to this. It is sufficient that two of the first wiring portion 51A, the third wiring portion 51C, the fifth wiring portion 53A, and the seventh wiring portion 53C are arranged in the second region R2. The first wiring portion 51A and the third wiring portion 51C are arranged in the second region R2 as an example. The fifth wiring portion 53A and the seventh wiring portion 53C are arranged in different positions. In this case, the wiring cutting process is performed on the second region R2, the region where the fifth wiring portion 53A is arranged, and the region where the seventh wiring portion 53C is arranged. The region where the fifth wiring portion 53A is arranged is a region where no wiring 50 other than the fifth wiring portion 53A is arranged when viewed from the +Z direction. The region where the seventh wiring portion 53C is arranged is a region where no wiring 50 other than the seventh wiring portion 53C is arranged when viewed from the +Z direction.

[0134] After the module 30 is formed, in step S103, a wiring cutting process is performed on the module 30. One example of the wiring cutting process is a punching process. By performing the punching process, a hole along the Z axis is formed in the substrate 31. By forming the hole, a part of the wiring portion included in the wiring 50 is cut. By performing the wiring cutting process on the first region R1 shown in FIG. 11 etc., a first wiring 50A shown in FIG. 6 is formed on the substrate 31. By performing the wiring cutting process on the second region R2 shown in FIG. 11 etc., a second wiring 50B shown in FIG. 8 is formed on the substrate 31.

[0135] After the wiring cutting process is performed, in step S105, the movement 20 is assembled. The movement 20 is assembled including the hour motor 41, the minute motor 42, the second motor 43, the first function motor 44, the second function motor 45, the third function motor 46, the home time motor 47, the module 30, and a gear train (not shown). The movement 20 includes the module 30 for which the wiring cutting process has been performed.

[0136] After the movement 20 is assembled, the timepiece 1 is assembled in step S107. The timepiece 1 is assembled, including the movement 20, the hands including the hour hand 2, the date wheel 8, and the dial 13. The second timepiece 1B is assembled using the movement 20 including the module 30 in which the first wiring 50A shown in Fig. 6 is arranged. The first timepiece 1A is assembled using the movement 20 including the module 30 in which the second wiring 50B shown in Fig. 8 is arranged.

[0137] The manufacturing process of the watch 1 includes a substrate 31 on which a loop-shaped first loop wiring 51, a loop-shaped second loop wiring 53, a first electrode E1 connected to the first function motor 44, a second electrode E2 connected to the first function motor 44, a third electrode E3 connected to the third function motor 46, and a fourth electrode E4 connected to the third function motor 46 are arranged on a plurality of substrate layers 32, a first signal output terminal 35A and a second signal output terminal 35B for outputting a first drive control signal to either the first function motor 44 or the third function motor 46, and a second signal output terminal 35C for outputting a second drive control signal to either the first function motor 44 or the third function motor 46. and a drive control IC 35 having a third signal output terminal 35C and a fourth signal output terminal 35D connected to the first signal output terminal 35A and the first electrode E1, and at least two of a first wiring portion 51A arranged in the first loop wiring 51 between the first signal output terminal 35A and the first electrode E1, a third wiring portion 51C arranged in the first loop wiring 51 between the third signal output terminal 35C and the third electrode E3, a fifth wiring portion 53A arranged in the second loop wiring 53 between the second signal output terminal 35B and the second electrode E2, and a seventh wiring portion 53C arranged in the second loop wiring 53 between the fourth signal output terminal 35D and the fourth electrode E4 are cut in the second region R2. By performing the wiring cutting process to form holes in the second region R2, it is possible to perform the cutting process with fewer holes than four locations. [Explanation of symbols]

[0138] 1...clock, 1A...first clock, 1B...second clock, 2...hour hand, 3...minute hand, 4...second hand, 5...minute chronograph hand, 6...home time hand, 6A...home time hour hand, 6B...home time minute hand, 7...second chronograph hand, 8...date indicator, 11...hand axis, 13...dial, 20...movement, 30...module, 31...circuit board, 32...circuit board layer, 32A...first circuit board layer, 32B...second circuit board layer, 32C...third circuit board layer, 32D...fourth circuit board layer, 32E...fifth circuit board Layer, 35...Drive control IC, 35A...First signal output terminal, 35B...Second signal output terminal, 35C...Third signal output terminal, 35D...Fourth signal output terminal, 41...Hour motor, 42...Minute motor, 43...Second motor, 44...First function motor, 44C...First function motor coil, 45...Second function motor, 46...Third function motor, 46C...Third function motor coil, 47...Home time motor, 50...Wiring, 50A...First wiring, 50B ...second wiring, 51...first loop wiring, 51A...first wiring section, 51B...second wiring section, 51C...third wiring section, 51D...fourth wiring section, 53...second loop wiring, 53A...fifth wiring section, 53B...sixth wiring section, 53C...seventh wiring section, 53D...eighth wiring section, 55...first output wiring, 56...second output wiring, 57...third output wiring, 58...fourth output wiring, 61...first connection wiring, 62...second connection wiring, 63...third connection wiring, 64...fourth connection wiring, 71... 1st contact, 72...2nd contact, 73...3rd contact, 74...4th contact, 75...5th contact, 76...6th contact, 77...7th contact, 78...8th contact, E1...1st electrode, E2...2nd electrode, E3...3rd electrode, E4...4th electrode, M1 ...1st mark, M2...2nd mark, P1...1st position, P2...2nd position, P3...3rd position, P4...4th position, P5...5th position, P6...6th position, P7...7th position, P8...8th position, R1...1st region, R2...2nd region.

Claims

1. a wiring board having a plurality of wiring layers and a control IC connected to the first motor and the second motor; the control IC has a first output terminal and a second output terminal that output a first drive signal to one of the first motor and the second motor, and a third output terminal and a fourth output terminal that output a second drive signal to one of the first motor and the second motor, the wiring board has a first wiring path in a loop shape, a second wiring path in a loop shape, a first connection terminal connected to the first motor, a second connection terminal connected to the first motor, a third connection terminal connected to the second motor, and a fourth connection terminal connected to the second motor; the first wiring path is connected to the first output terminal, the third output terminal, the first connection terminal, and the third connection terminal; the second wiring path is connected to the second output terminal, the fourth output terminal, the second connection terminal, and the fourth connection terminal; the first wiring path includes a first path disposed between the first output terminal and the first connection terminal, and a second path disposed between the third output terminal and the third connection terminal, the second wiring path includes a third path disposed between the second output terminal and the second connection terminal, and a fourth path disposed between the fourth output terminal and the fourth connection terminal, At least two of the first path, the second path, the third path, and the fourth path are arranged in different wiring layers and within a predetermined region in a plan view. Circuit module.

2. The plurality of wiring layers include a surface layer that is visible in a plan view, At least one of the first path, the second path, the third path, and the fourth path is disposed within the predetermined region of the surface layer in a plan view. The circuit module according to claim 1 .

3. The plurality of wiring layers include a surface layer that is visible in a plan view, the first path, the second path, the third path, and the fourth path are not disposed within the predetermined region of the surface layer; The predetermined area of ​​the surface layer has an indication indicating the predetermined area. The circuit module according to claim 1 .

4. the predetermined region is located at the outer periphery of the wiring substrate in a plan view; The circuit module according to claim 1 .

5. the first output terminal and the second output terminal output a third drive signal different from the first drive signal; The circuit module according to claim 1 .

6. the first wiring path includes a fifth path disposed between the first connection terminal and the third output terminal, and a sixth path disposed between the third connection terminal and the first output terminal, the second wiring path includes a seventh path disposed between the second connection terminal and the fourth output terminal, and an eighth path disposed between the fourth connection terminal and the second output terminal, At least two of the fifth path, the sixth path, the seventh path, and the eighth path are arranged in different wiring layers and within a second predetermined region in a plan view. The circuit module according to claim 1 .

7. The wiring board includes four wiring layers, the first path, the second path, the third path, and the fourth path are arranged in different wiring layers and within the predetermined region in a plan view; the fifth path, the sixth path, the seventh path, and the eighth path are arranged in different wiring layers and within the second predetermined region in a plan view; The circuit module according to claim 6 .

8. A first display unit; A second display unit; a first motor that drives the first display unit; a second motor that drives the second display unit; A wiring board having a plurality of wiring layers; a control IC connected to the first motor and the second motor; the control IC has a first output terminal and a second output terminal that output a first drive signal to one of the first motor and the second motor, and a third output terminal and a fourth output terminal that output a second drive signal to one of the first motor and the second motor, the wiring board has a first connection terminal connected to the first motor, a second connection terminal connected to the first motor, a third connection terminal connected to the second motor, a fourth connection terminal connected to the second motor, a first path arranged between the first output terminal and the first connection terminal, a second path arranged between the third output terminal and the third connection terminal, a third path arranged between the second output terminal and the second connection terminal, and a fourth path arranged between the fourth output terminal and the fourth connection terminal, At least two of the first path, the second path, the third path, and the fourth path are arranged in different wiring layers and within a predetermined region in a plan view. Electronic clock.

9. a wiring board on which a first wiring path in a loop shape, a second wiring path in a loop shape, a first connection terminal connected to a first motor, a second connection terminal connected to the first motor, a third connection terminal connected to a second motor, and a fourth connection terminal connected to the second motor are arranged in a plurality of wiring layers; and a control IC having a first output terminal and a second output terminal for outputting a first drive signal to either the first motor or the second motor, and a third output terminal and a fourth output terminal for outputting a second drive signal to either the first motor or the second motor, cutting at least two of a first path arranged on the first wiring path between the first output terminal and the first connection terminal, a second path arranged on the first wiring path between the third output terminal and the third connection terminal, a third path arranged on the second wiring path between the second output terminal and the second connection terminal, and a fourth path arranged on the second wiring path between the fourth output terminal and the fourth connection terminal within a predetermined region; A method for manufacturing an electronic watch.

Citation Information

Patent Citations

  • Circuit module, movement for clock, electronic clock, and method for interconnecting circuit module

    JP2016004021A