246 results about "Horology" patented technology

A wearable timepiece having at least one rotateable elongated member, preferably a ring, under the dial, having a plurality of time zone indications thereon, wherein a controller controls the rotation of the at least one elongated member and causes an indicator to rotate in response to a selected time zone indication positioned in a viewing window in the dial, wherein the indicator points to indicia on the dial assembly that indicates to a user the time indicated by the selected time zone indication.

An electronic timepiece having a function for receiving satellite signals transmitted from positioning information satellites, including a satellite signal reception unit that receives the satellite signals, a satellite capturing unit that executes a process of capturing the positioning information satellites within a capture time based on the satellite signals received by the satellite signal reception unit, a time adjustment information generating unit that acquires satellite information from the satellite signal sent from the positioning information satellite captured by the satellite capturing unit, and generates time adjustment information based on the satellite information, a time information adjustment unit that adjusts internal time information based on the time adjustment information, a time information display unit that displays the internal time information, and a time limit setting unit that variably sets a time limit for the time adjustment information generating unit to generate the time adjustment information based on the number of positioning information satellites captured by the satellite capturing unit and a reception level of the satellite signals transmitted from the positioning information satellites.

The wristwatch disclosed in the present invention comprises a mechanical or electromechanical timepiece movement, an analog time indicator (24, 25), indicating the lunar date on a scale (31) and is driven by the timepiece movement to rotate one or two lunar months A circular lunar indicator (27), and a lunar indicator component actuated by a calendar mechanism (50) driven from the lunar indicator (27). The month moving part (70) with the lunar month indicator (34) is driven via the rocker (60) so as to make one revolution every common year with 12 months and every leap year with 13 months. Other lunar indicators are driven from the month movement and include a first year indicator (40) with a 12-year rotation, a second year indicator (44) with a 10-year rotation, and a 19-year rotation And a third year indicator (37) associated with a long period cam (63) representing normal and leap years. The watch can also include a Julian perpetual calendar.

The present invention provides an electronic timepiece with an internal antenna, which can increase the characteristic of antenna without causing the large size of timepiece. An electric wave correcting clock (1) comprises the following components: the antenna which is provided with an elongated magnet core (211) formed by magnet and a coil (212) coiled on the magnetic core (211); a module (10) for containing the antenna (21); and a dial plate (14) which is formed by non-conductive material. Furthermore, an amorphous foil (140) which has a magnetic conductivity larger than that of the dial plate (14) is installed between the dial plate (14) and a module (10) of the electric wave correcting clock (1) in a vertical view for observing the surface orthogonal with the direction from the dial plate (14) to the module (10) at the position that is not overlapped with the coil overlapping area (104) overlapped with the coil winding part (211A) and is overlapped with the guiding overlapping area (105) overlapped with the guiding part (211B).

There is provided a type of luminous hand including a part made of moulded transparent material that forms a circular head (28, 35) and a body (28, 34) of a hand. In order to direct a portion of a light beam parallel to the axis (15) of the hand towards the interior of the body, the head includes a plurality of reflectors (40, 41) distributed around the axis and formed by dihedron shaped hollows. This improves the intensity and uniformity of the light in the hand body. Inclined light-diffusing surfaces, covered with a light coloured paint, are arranged on the bottom face of the hand. In a display device with several coaxial hands (11,12) such as that of a watch, the reflectors of the superposed heads (29, 35) of the hands are located at respective distances from the axis which are different from one hand to another, such that they never completely cover each other. The light source preferably includes three light-emitting diodes (23) located under the dial (10). A cylindrical light guide (18) is placed between the source and the heads of the hands, in the central opening in the dial.

The invention discloses an intelligent electronic clock with laser beam indicators, belonging to an all-electronic timer. The invention aims at improving travel-time accuracy of the traditional clock and prolonging the service life of the traditional clock. By using an intelligent test technology and a laser technology, the intelligent electronic clock with laser beam indicators simulates traditional indicator by using laser beams to replace a traditional mechanical travel-time mechanism. The electronic clock consists of a time base signal generating device, a standard time calibration device, a travel-time control device, a laser emitting device, a clock dial, a voice time device and a power supply device which are sequentially connected with each other. The intelligent electronic clock with laser beam indicators has the laser beams with three colors of red, green and blue to simulate time hand, minute hand and second hand, and the indicators are in a radial shape inwards or outwards with bright and clear indication, smooth running like running water and powerful rhythm. Therefore, the clock is suitable for homes, schools, enterprises and public institutions as well as public occasions, and particularly suitable for clock towers, and has wide market prospect.

A timepiece comprising a date display, comprising a date display assembly comprising a date ring, a first gearing assembly being meshingly coupled to the date ring for causing the rotation of the date ring; and a stepping motor comprising a rotor, wherein the rotor of the stepping motor is rotateably coupled to the at least one or more wheels of the first gearing assembly, wherein the rotation of the rotor causes the date ring to rotate; a date-keeping assembly operatively coupled to the date display assembly, comprising: at least a second gearing assembly comprising at least an hour wheel and a detection wheel assembly, wherein at least certain rotational increments of the detection wheel, and the clockwise or counterclockwise direction thereof, causes the rotor of the stepping motor to rotate so that the date ring can be rotated in one of a clockwise or counterclockwise direction; whereby the rotation of the hour wheel through a predetermined midnight position results in that the stepping motor causes the date ring to rotate a predetermined number of degrees, thereby advancing either in the forward or backward direction a displayed digit on the date ring representing a valid date. Methodologies for setting and adjustment are also provided.

An object of the invention is to provide a detent escapement for a timepice and a mechanical timepiece capable of easily performing the position adjustment operation of parts and operating reliably normally an escape wheel. The detent escapement for the timepiece comprises: an escape wheel (2); a balance (5) that includes an impulse jewel (3) which can contact a wheel tooth (2a) of the escape wheel and an unlocking stone (4), and that freely oscillates about a balance staff (9); a blade (23) that includes a locking stone (6) which can contact the wheel tooth (2a) of the escape wheel, and thatis supported being capable of approaching to and separating from the escape wheel; and a one-side actuating spring (24) that can contact the unlocking stone (4) and be elastically deformed along the approaching and separating direction with respect to the blade (23), wherein the blade (23) is constituted of a blade main body (51) and a blade adjustment portion (52) that is separated from the blade main body (51).

Method for securing a decoration (1) to an external timepiece element (2) coated with a galvanically deposited metallic layer (3). Instead of the decoration (1), a dummy part (5) is temporarily placed in the hole (4) pierced in the external element (2), and the galvanic deposition (3) is then carried out. After the deposition has been levelled, the dummy part (5) is removed and the decoration is placed in the hole (4).

The invention relates to a test method of timepiece movements. The objective of the invention is to solve the problem of interference in timepiece movement detection. According to the technical scheme of the invention, as for timepiece movements which are distributed in a multi-line and multi-column continuous planarizartion manner, movements in each line are sorted in an up-to-down order, and movements in each column are sorted in a left-to-right order. The test method is characterized by comprising the following steps that: movements in an M-th line and movements in an M-th column are grouped as a first group, wherein M is an odd number; movements in the M-th line and movements in an N-th column are grouped as a second group, wherein N is an even number; movements in the N-th line and movements in the M-th column are grouped as a third group; movements in the N-th line and movements in the N-th column are grouped as a fourth group; and oscillation starting and detection are performed on each group independently. Thus, mutual interference in oscillation starting can be eliminated.

The invention relates to a timepiece movement (1) driving at least one output arbor (2, 7) for receiving an indicator (3), for displaying a physical quantity or a quantity of time, opposite and above at least one complementary indicator or a dial (4), said complementary indicator or dial (4) being arranged at a local reference or bearing surface (5) that said movement (1) locally comprises, around (each of) said output arbor(s) (2, 7) of said movement (1), or being arranged on said local reference or bearing surface (5). Said at least one output arbor (2) comprises, on the side of said local reference or bearing surface (5) thereof, a free end (6) that is either set back from or just flush with said local reference or bearing surface (5) thereof.

Date mechanism (100) for a timepiece (1000) including a movement (200) which daily pivots a lever (2), comprising a perpetual twelve cam (9) with sectors whose depth depends on the duration of the successive months, completing one revolution per year.

The mechanism has a single click and includes:

• • a single click finger (1), hinged to said lever (2) and arranged to cooperate with a thirty-one ratchet wheel (31) which pivots integrally with a first thirty-one snail cam (4) arranged to control a date display means (412), and a second cam (29) including a radial finger (29A);
  • a countdown mechanism (300) whose position is determined by said second cam (29), adjusting the number of teeth of said wheel (31) to be activated by said click finger (1) according to the current day and current month;
  • a means of driving said cam (9).

The invention discloses clock assembling equipment. An index plate is mounted on the upper surface of a bracket, and a bottom shell placing position and a movement placing position are arranged on theupper surface of the index plate; a pre-pressing device for pressing the movement into the dial plate, a timing needle device, a fixed minute hand device, a fixed second hand device for placing a fixed second hand into the movement and fixing the fixed second hand in the movement through a screw cap, and a discharging device for simultaneously adsorbing the watch cover and the dial plate assemblyand placing the watch cover and the dial plate assembly on the conveying belt are sequentially arranged on the outer side of the index plate; and the pre-pressing device, the timing needle device, the fixed minute hand device, the fixed second hand device, the combining device and the discharging device are all fixed to the upper surface of the support. Through pre-pressing, the pointers are cut,and the hour hand, the minute hand and the second hand are placed on the movement. The dial plate, the movement, the hour hand, the minute hand and the second hand form key core assembly, the bottomshell and the core assembly are placed on the conveyor belt, and later-period assembly is carried out manually or mechanically, so that the assembly efficiency is improved, the labor cost is reduced,and the quality of an assembled product is guaranteed.

A wristwatch (an example of a timepiece) includes a small dial (an example of a dial) and a rotary disk (an example of a rotary member). The small dial includes a sun mark for displaying the state of the sun. The rotary disk covers the small dial and rotates in a 24-hour period. The rotary disk includes the sun state indicator that changes the visibility of the sun mark in accordance with the rotational position of the rotary disk. One of the small dial and the rotary member includes a plurality of numbers (an example of indexes) for indicating time. The other of the small dial and the rotary member includes a time indicator that indicates a number in accordance with the rotational position of the rotary disk. The time indicator and the sun state indicator are disposed relative to each other in a positional relationship such that the visibility of the sun mark by the sun state indicator corresponds to the state of the sun corresponding to the number indicated by the time indicator.

The timepiece has a hand fitted onto an hour pipe, about which an hour hand is adjusted to freely pivot by a motion work. An additional wheel (12) secured to the pipe, drives an additional device. An hour wheel (2) is rigidly coupled to the additional wheel by a limiting torque mechanism and a coupling mechanism. A spring is immobilized and compressed in a space between two teeth of a star wheel.

A device (100; 200) for displaying time information, including: a first mobile (3) including a first toothset (31) and a first disk (32) bearing numerals (33) which are intended to indicate the units of the time information, a second mobile (4) including a second toothset (41) and a second disk (42) bearing numerals (43) intended to indicate the tenths of the time information, and a mechanism (90) for driving the first and second mobiles, the mechanism: including a control mobile (1): including a third toothset (1a) arranged so as to collaborate by obstacle, with the first, toothset, a fourth toothset (1b) arranged so as to collaborate by obstacle, with the second, toothset, a drive wheel (2) including a fifth toothset (2c) designed to collaborate by obstacle, with the third and fourth toothsets.

A timepiece includes a timepiece movement. The timepiece movement includes a time measuring system for displaying the time and a date system connected to the time measuring system for displaying the date. The date system includes a display of the continuously moving type and a correction device which can correct the date display at any time, by a predetermined step, while maintaining the relationship of the continuous movement relative to that of the time during the correction operation.

A method for regulating time-keeping of a mechanical timepiece movement intended to operate in a low-pressure atmosphere, includes the successive steps of: placing the movement in a low-pressure atmosphere pre-established for normal operation of the movement; measuring the gain or recoil (typically a gain +ΔP) of the time-keeping precision of the movement at this low pressure; returning the movement to ambient atmospheric pressure; at the ambient atmospheric pressure, regulating the movement to compensate for the previously measured gain or recoil; and returning the movement to the low-pressure atmosphere pre-established for normal operation of the movement.