24results about "Frequency setting mechanism" patented technology

The invention relates to an assembly for a timepiece movement comprising a first timepiece component (22), for example a balance bridge, and a second timepiece component (30), for example an actuator of an actuation system, the assembly (1) comprising means for assembling the first timepiece component (22) against the second timepiece component (30), the assembly means comprising at least a first stud (43) arranged on the first component (22) and at least a first notch (41) arranged on the second component (30), the first notch (41) comprising a first flexible element (48) arranged inside, such that the stud (43) is held in the first notch (41) by pressing of the flexible element (48) on the stud (43).

A regulating member for a horological movement including an inertial mass, for example a balance, a balance spring, and an index-assembly system for adjusting the rate of the balance spring, the index-assembly system including a stud-holder including a first portion and a second portion, the first portion being movable relative to the second portion, wherein the regulating member includes locking device configured to block the second portion of the stud-holder in one position with respect to a plate of the movement.

The invention relates to a spiral spring, particularly for a resonator mechanism in watchmaking, the spiral spring (1) comprising a flexible ribbon (2) wound upon itself in several turns, the ribbon (2) having a predefined stiffness, the spiral spring (1) comprising means for adjusting its stiffness, the adjustment means comprising a single elongated flexible element (5) arranged in series with the ribbon (2), the elongated flexible element (5) connecting one end (4) of said ribbon (2) to a fixed support (11), so as to add additional stiffness to the ribbon (2), the elongated flexible element (5) preferably having a stiffness greater than that of the ribbon (2), the adjustment means comprising preload means (6) for applying at least two different forces on the elongated flexible element (5), the preload means (6) comprising a first lever (8) attached to the end (4) of the ribbon (2) for being able to adjust a first force,The preload means (6) include a second lever (8) also attached to the end (4) of the ribbon (2) to allow for adjusting a second force independently of the first force. The invention also relates to a clockwork resonator mechanism comprising such a balance spring (1).

An oscillator (2), particularly a balance wheel (21) / main spring (22) oscillator, includes an inertial element (21) and a return spring (22) that rotate around a pivot axis, Escapement (3), especially dual impulse escapement, especially Swiss lever escapement (3), A method for adjusting a speed control system (100), including, The adjustment method is to facilitate and / or balance the restart of the speed control system. Steps to adjust the beat setting, in particular to a non-zero value, and / or A step of adjusting the degree to which the anchor assembly (31) is inserted into the escape wheel (32), and / or A step to adjust the degree to which the anchor assembly is inserted into the escape wheel. including, Adjustment method.

The object of the present invention is to provide a timekeeping device for watches that can stabilize the rate over a long period of time with extremely low power consumption, without directly injecting mechanical vibrations into the balance wheel, while utilizing an external reference. [Solution] This mechanical watch rate stabilizer is based on a statistical drive method with constant pulse width and amplitude, and autonomously switches between four modes—normal mode, ΔΣ1 bitstream mode, low detune frequency hopping mode, and chirp search mode—based on actual current consumption. It achieves both rate stability and low power consumption without modifying the hairspring or maintaining constant instantaneous energy.

A vibratory-actuated drive device (1, 10, 20, 30, 40) for a horology movement, the drive device (1, 10, 20, 30, 40) including a rotationally mobile organ (2, 12) with toothing (3, 33) enabling it to be set in motion, at least two mobile oscillators (4, 5) arranged to mechanically engage with the mobile organ (2, 12), each mobile oscillator (4, 5) being configured to oscillate at a different predetermined frequency when the drive device (1, 10, 20, 30, 40) vibrates at said predetermined frequency, each mobile oscillator (4, 5) being provided with a tooth (21) capable of striking the toothing (3) on the mobile organ (2, 12) to drive it when the oscillator (4, 5) oscillates at its predetermined frequency.

A method for optimising an operation of setting and winding a watch or the timepiece movement thereof including initially making a measurement of the operation of the watch or of the timepiece movement followed by an activation of an operation of low-amplitude reciprocating movements of the watch or of the timepiece movement on the jig of the device, or initially implementing an activation of an operation of low-amplitude reciprocating movements of the watch or of the timepiece movement before making a measurement of the operation of the watch or of the timepiece movement, and resuming low-amplitude reciprocating movements in phase or a synchronisation step being implemented at the end of the first two steps. The first oscillating signal of movements includes a change in sign of the absolute rotation speed in each successive oscillation period, the oscillating signal having a positive part and a negative part of the rotation speed.

A resonator mechanism (1) for a clock includes a structure (10) and an anchoring unit (30), at least one inertial element (2) suspended from the anchoring unit (30), the inertial element (2) being arranged to oscillate about a pivot axis (D) extending along a first rotational degree of freedom RZ, the inertial element (2) being configured to withstand a reset force applied by a reset device configured to cause the inertial element (2) to oscillate, the mechanism (1) including a stop device (50) for stopping the inertial element (2), the stop device (50) being actuable as needed to prevent the oscillation of the inertial element (2), characterized in that the stop device (50) is configured to move the inertial element (2) between a pivot position and a stop position in which the inertial element cannot oscillate.

The object of the present invention is to provide a timekeeping accuracy stabilization device that can stabilize the rate over a long period of time with extremely low power consumption, without directly injecting mechanical vibrations into the balance wheel, while utilizing an external reference. [Solution] A precision stabilization device for a mechanical watch, comprising: a detection means for detecting the motion state of the balance wheel; an actuator driven at twice the natural frequency of the balance wheel based on the output of the detection means, which periodically changes the physical parameters of a movable member supporting the balance wheel; and a control circuit that uses an external reference oscillator as a time standard and adjusts the average rate of the balance wheel by slightly correcting the drive phase or duty cycle of the actuator.

The invention relates to a vibration-driven drive device (1, 10, 20, 30, 40) for a clockwork movement. The drive device (1, 10, 20, 30, 40) comprises a rotating moving part (2, 12) with teeth (3, 33) enabling it to be set in motion, and at least two movable oscillators (4, 5) arranged to cooperate mechanically with the moving part (2, 12). Each movable oscillator (4, 5) is configured to oscillate at a different predetermined frequency when the drive device (1, 10, 20, 30, 40) vibrates at said predetermined frequency. Each movable oscillator (4, 5) is provided with a tooth (21) capable of striking the teeth (3) of the moving part (2, 12) to drive it. the oscillator (4, 5) oscillates at its predefined frequency.

The invention relates to a method for adjusting the rate difference of a time control mechanism (10) in a timepiece movement, the time control mechanism (10) comprising an inertial mass (5), for example a balance, and an elastic return means (2), for example a spring, for returning the inertial mass (5), the elastic return means (2) being configured to enable an oscillating movement of the inertial mass (5), the method comprising the following steps: adding material to and / or removing material from the inertial mass (5) by using a laser (7) to project material (9).

A rotating resonator mechanism (60) including a flexible guide (5) and an oscillating mass (2), the flexible guide (5) including two main flexible strips (4, 6) and a rigid portion (7). The flexible strips are joined to the rigid portion and the oscillating mass. An adjustment means adjusts the stiffness of the resonator mechanism, and includes a flexible element connected to the rigid portion and to a fixed support (11), so that the flexible guide (5) is suspended by the flexible element (12), the flexible guide (5) and the flexible element (12) extending substantially in the same plane so that the oscillating mass (2) performs a rotating movement about a virtual pivot. The adjustment means also includes pre-stressing means (15) to apply a variable force or torque on the flexible element (12) or the flexible guide (5), to vary the stiffness of the flexible element (12).

To provide a stud-holder which is compatible with conventional balance springs, and which can provide the advantages of accuracy in adjusting the rate and / or isochronism as a balance spring with adjustment means.SOLUTION: In a stud-holder for a regulating member 150 of a horological movement, the regulating member 150 includes an inertial mass, for example a balance 41, a balance spring 44 including a strip wound around itself in several turns, and a balance cock 42, the stud-holder 120 includes a main body 2 intended to be mounted on the balance cock 42 and a sub-body 3 arranged at a distance from the main body 2 and configured to suspend the balance spring 44, the regulating member 150 includes a flexible element connecting the main body 2 to the sub-body 3, and the stud-holder 120 includes prestressing means for applying a variable force or torque to the flexible element in order to adjust the rate and / or isochronism slope of the regulating member 150.SELECTED DRAWING: Figure 14

The invention relates to a rotating cage regulator (200) comprising a fixed wheel (1), a cage carrying a balance wheel and hairspring, an escapement element (5) and an escape wheel (4) whose pinion (40) meshes with the fixed wheel (1), a lower cage (2) carrying teeth (22) and a locking element (21), a winding wheel (61) attached to a spring (62) and pivoting on a bearing ring (3) fixed to a plate, a locking wheel (7) with teeth capable of being stopped by the locking pallet (21), the whole constituting an epicyclic gear system, of which the cage (2) is the sun gear, the ring (3) a planet carrier, the winding wheel (61) a first planet and the locking wheel (7) a second planet, arranged to release or block the movement of the ring (3), and carrying a locking pinion (70) meshing with the fixed wheel (1).

The invention relates to a spiral spring, particularly for a resonator mechanism in watchmaking, the spiral spring (1) comprising a flexible ribbon (2) wound upon itself in several turns, the ribbon (2) having a predefined stiffness, the spiral spring (1) comprising means for adjusting its stiffness, characterized in that the adjustment means comprise a first elongated flexible element (5), and a second elongated flexible element (15) arranged in series with the ribbon (2), each elongated flexible element (5) connecting one end (4) of said ribbon (2) to a fixed support (11), so as to add additional stiffness to the ribbon (2), each elongated flexible element (5) preferably having a stiffness greater than that of the ribbon (2), the adjustment means comprising preload means (6) for applying at least two different adjustable forces,The two forces are applied to the first elongated flexible element (5) so as to vary the stiffness of the first elongated flexible element (5) according to the level of preload. The invention also relates to a clockwork resonator mechanism comprising such a balance spring (1).

The objective of this invention is to provide an accuracy improvement device that solves the accuracy problems of conventional mechanical watches without significantly altering the existing watch structure, and that achieves accuracy comparable to that of a quartz watch. [Solution] A mechanical watch incorporates an external oscillator separate from the balance wheel. Its pulse is converted into mechanical vibrations using a piezoelectric element, and this vibrational energy is transmitted to the balance wheel. This transmits mechanical vibrations to the balance wheel, causing it to resonate through the pull-in phenomenon. This resonance forces the balance wheel's vibrations to synchronize with the frequency of the quartz oscillator, significantly improving accuracy.

A rotary-cage regulator (200) including a fixed wheel (1), a cage carrying a sprung balance, an escapement element (5) and an escapement wheel (4), the pinion (40) of which meshes with the fixed wheel (1), a lower cage (2) carrying teeth (22) and a locking element (21), a reloading wheel (61) attached to a spring (62) and pivoting on a bearing ring (3) fastened to a plate, a locking wheel (7) with teeth that can be stopped by the locking pallet stone (21). The assembly includes an epicyclic gear system, of which the cage (2) is the solar train, the ring (3) a satellite carrier, the reloading wheel (61) a first planetary gear and the locking wheel (7) a second planetary gear, arranged to release or lock the movement of the ring (3), and carrying a locking pinion (70) meshing with the fixed wheel (1).

The present invention addresses the problem of providing a precision improving device which solves the problem of the precision of a conventional mechanical timepiece without significantly changing the existing timepiece structure, and which achieves high precision comparable to a quartz timepiece.　An external oscillator, separate from the balance, is built into the mechanical timepiece, and the beats thereof are converted into mechanical vibrations by a piezo element, and this vibration energy is transmitted to the balance. Thus, the mechanical vibrations are transmitted to the balance of the mechanical timepiece, and the balance is resonated by using the pull-in phenomenon. Due to this resonance, the oscillation of the balance is forcibly synchronized with the frequency of the quartz transmitter, and the precision is significantly improved.

Balance wheel and hairspring mechanism, clock, and method for manufacturing the balance wheel and hairspring mechanism. High precision can be maintained. The balance wheel and hairspring mechanism includes: a balance shaft (410) rotatably supported on a base plate; an inner stud (440) fixed to the balance shaft (410); a hairspring (70) fixed to the inner stud (440), having a Grossman curve disposed on the side of the inner stud (440) and an Archimedes curve connected to the Grossman curve; and a shock-resistant component (500) that at least suppresses displacement of the shape on the side of the inner stud (440) in the Grossman curve.