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Movement and clock

A movement and motor technology, applied in the movement and watch field, to achieve the effect of suppressing the deterioration of durability, preventing short circuit, and suppressing shaking

Active Publication Date: 2017-03-08
SEIKO INSTR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In addition, generally speaking, IC chips and circuit boards are easily affected by noise such as static electricity and electromagnetic intrusion from the outside of electronic clocks.

Method used

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  • Movement and clock
  • Movement and clock
  • Movement and clock

Examples

Experimental program
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Embodiment Construction

[0037] (Clock)

[0038] Hereinafter, embodiments of the present invention will be described. In this embodiment, an analog quartz watch will be described as an example.

[0039] Generally speaking, the mechanical body including the driving part of the timepiece is called the "movement". The state where the dial and hands are mounted on the movement and placed in the watch case to become a finished product is called the "complete" of the watch. Among the two sides of the bottom plate constituting the watch substrate, the glass side of the watch case, that is, the side with the dial is called the "back side" or "glass side" or "dial side" of the movement. Among the two sides of the bottom plate, the side of the watch case with the back cover, that is, the side opposite to the dial is called the "front side" or "back side" of the movement.

[0040] figure 1 It is an external view showing the timepiece 1 according to the embodiment of the present invention.

[0041] Such as figure 1 As...

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PUM

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Abstract

The invention provides a movement and a timepiece capable of improving noise resistance in a case where the noise is not large. The movement (10) includes a second support (110) formed of a conductive material and supporting a second wheel (44), a fourth wheel (42), a time wheel (45), a stepping motor (35) (32) for controlling the operation of the stepping motor (35), and a battery (21) for supplying power to the stepping motor (35), and electrically driving the stepping motor (35) (22) of the stator (31), the second support (110) and the crystal unit (22) of the stepping motor (35) formed on the material are arranged on the side of the electronic component (26) and electrically connected to the positive electrode (21p) of the battery .

Description

Technical field [0001] The invention relates to a movement and a clock. Background technique [0002] An analog electronic timepiece includes a stepping motor as a pointer drive source, an IC chip for controlling the drive signal of the stepping motor, and a circuit board on which the IC chip is mounted (for example, refer to Patent Document 1). [0003] The circuit board has a reference signal generating circuit. The reference signal generation circuit includes an oscillation circuit that generates an oscillation signal (for example, 32 kHz) and a frequency divider circuit. The frequency divider circuit divides the frequency of the oscillation signal, for example, to generate a reference signal of 1 Hz and a frequency division signal of 4 Hz (low rate) or 1 kHz (high rate). The reference signal is used to indicate the count (timing) of the count value at the time (current time) at that point in time. The frequency division signal is used to sample the received signal. [0004] I...

Claims

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Application Information

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IPC IPC(8): G04C3/14
CPCG04C3/14
Inventor 河田正幸佐藤贤藤原俊行小棚木进
Owner SEIKO INSTR INC
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