摘要:
The invention concerns an electronic watch comprising an electric motor (5) for driving analogue display means (6), and a time base (1, 2) comprising an oscillator circuit (2) and a resonator (1), both mounted in the same case (9), characterized in that said case further comprises a control circuit (4) for said electric motor.
摘要:
The invention concerns an electronic watch comprising an electric motor (5) for driving analogue display means (6), and a time base (1, 2) comprising an oscillator circuit (2) and a resonator (1), both mounted in the same case (9), characterized in that said case further comprises a control circuit (4) for said electric motor.
摘要:
An electronic timepiece (10) includes a case (12) which is fitted with a dial (28) and which contains an electronic control circuit (22) driving a display device (24), of the type wherein the dial (28) includes a main body (48) in the form of a plate which is made of semiconductor material, and of the type wherein the control circuit (22) includes at least one control unit (36) and a time base circuit (34), characterized in that the control circuit (22) includes at least one integrated circuit element (34, 36) which is etched in the main body (48) of the dial (28).The invention also proposes a dial (28) to be fitted to the timepiece (10).
摘要:
The invention concerns a control system for a servomechanism comprising a control member that can move between first and second positions defining a variable electric quantity respectively between a minimum quantity and a maximum quantity, characterized in that the control system further comprises low voltage powering means, voltage increase means connected to the terminals of the low voltage powering means and delivering a high voltage at output, means for measuring a value of the variable electric quantity, powered by the low voltage powering means when the high voltage is being generated, and means for regulating the voltage increase means arranged to increase the high voltage delivered for a variation in the measured electric quantity value lower than a variation threshold determined by the servomechanism, respectively to decrease the high voltage delivered for a variation in the measured electric quantity values higher than the determined variation threshold.
摘要:
The invention concerns a timepiece (10) including a display device (26) including a first and second display member (38, 40) displaying first and second pieces of information, the value of the second piece of information being linked to the value of the first piece of information by a reduction ratio, wherein the first (38) and the second (40) display members are rotatably mounted in relation to a plate (42) and are driven by a drive device (44) with planetary gears, characterized in that the second display member (40) pivots on the axis of rotation (A2) of a planet pinion (54).The invention also proposes a timepiece (10) fitted with this display device (26) and a method for manufacturing this display device (26).
摘要:
The invention concerns a timepiece (10) including a display device (26) including a first and second display member (38, 40) displaying first and second pieces of information, the value of the second piece of information being linked to the value of the first piece of information by a reduction ratio, wherein the first (38) and the second (40) display members are rotatably mounted in relation to a plate (42) and are driven by a drive device (44) with planetary gears, characterized in that the second display member (40) pivots on the axis of rotation (A2) of a planet pinion (54). The invention also proposes a timepiece (10) fitted with this display device (26) and a method for manufacturing this display device (26).
摘要:
The invention proposes an analogue display member (10) fitted to a timepiece, of the type including a main body in which an arbor hole is arranged, characterized in that the main body is made of silicon based crystalline material. The invention also proposes a timepiece provided with such a display member (10). The invention also proposes a method of fabricating analogue display members (10) to be fitted to timepieces, each analogue display member (10) including a main body, characterized in that it includes at least one step of micro-machining a wafer of silicon based crystalline material to form at least one main body in said material.
摘要:
Assembly element (18) made in a plate of brittle material, including an aperture (32) provided for the axial insertion of an arbour (26), the inner wall (33) of the aperture (32) including elastic structures (34), which are etched into the plate to grip the arbour (26) radially. Each elastic structure (34) includes a first rectilinear elastic strip (L1) which extends along a tangential direction relative to the arbour (26). According to the invention, each elastic structure (34) is formed by a radial stack of several parallel elastic strips.The invention also proposes a timepiece fitted with this assembly element (18).
摘要:
Assembly element (18) made in a plate of brittle material, including an aperture (32) provided for the axial insertion of an arbour (26). The inner wall (33) of the aperture (32) includes elastic structures (34), which are etched into the plate and which each include at least one support surface (36) for gripping the arbour (26) radially in order to secure the assembly element (18) relative to the arbour (26). The assembly element (18) includes a first series (S1) of elastic structures (34) etched in a top layer (39) of the plate and a second series (S2) of elastic structures (34) etched in a bottom layer (41) of the plate.A timepiece may be fitted with this assembly element.
摘要:
The invention proposes a drive module intended to engage with a clock wheel having a plate made of crystalline or amorphous material comprising a lower layer, which forms a substrate, and an upper layer, into which an MEMS type of micromotor is etched, wherein the micromotor has at least one actuator rotatably driving a rotor, characterized in that a pinion arranged coaxially to the rotor is rotatably connected to the rotor and disposed above the rotor, said pinion being provided to engage with the clock wheel in an engagement zone located close to an outer peripheral edge of the plate, that the rotor is disposed on the plate in order to minimize the distance between the outer peripheral edge of the rotor and the outer peripheral edge of the plate corresponding to the engagement zone, and that the diameter of the pinion is larger than that of the rotor so as to protrude relative to the plate into the engagement zone.The invention also proposes a process for the production of this module and a timepiece comprising such a module.