Abstract: A device is disclosed for verifying the state of a watch and resetting it to the correct time. In a case of the device, a watch can be disposed on a watch support, which can be moved from a position without measurement to a measurement position in a vision system, or vice versa. In a position without measurement, the watch on its support can be observed from the outside of the case of the device through at least one electronic shutter activated or an optical valve activated to be in a transparent state, whereas in the measurement position, the electronic shutter or the optical valve is deactivated to be made opaque.

Abstract: The present invention relates to a device (100) for displaying the moon for a timepiece on demand. The display device (100) comprises a first movable indicator member (110) and having a representation of the moon (111). This representation of the moon (111) is completely or partially occulted by an occulting element (121) that is located on a second movable indicator member (120) when the user so requests and in particular via a control unit.

Abstract: A timepiece resonator mechanism including a structure and an inertia element oscillating about an axis, subjected to return forces exerted by a RCC flexure pivot with elastic resonator strips, which are each fixed to the structure and to the inertia element and essentially deformable in a plane perpendicular to the axis, straight and extending in parallel or coincident planes, the crossing, in projection onto a plane perpendicular to the axis, of their directions defining this axis, these strips are fixed on the inertia element side to a stiff element, comprised in an anti-shock element and on which are fixed the strips and which is integral with anti-shock flexible elements arranged to keep suspended the inertia element, the anti-shock element providing shock protection for the strips of the flexure pivot.

Abstract: A timepiece regulating mechanism including primary resonators each with an inertial weight suspended by flexible strips to a fixed structure with respect to which this weight pivots, and mechanical device of synchronizing the primary resonators which include, between the inertial weights, an articulated connection which, under normal conditions, allows pivoting of the inertial weights in opposite directions of rotation and with close rotation angles, and during a shock, prevents pivoting thereof in the same direction of rotation, the mechanism including an oscillator with a frictional rest escapement mechanism arranged to cooperate alternately with the primary resonators, on pallet stones of the inertial weights.

Abstract: A timepiece movement, including a mechanism including an inertial element arranged to oscillate or pivot about a first axis of pivoting relative to a structure of the movement, and arranged to cooperate directly or indirectly with an energy distribution wheel set that pivots relative to the structure about a second axis of pivoting parallel to or coincident with the first axis of pivoting and subjected to a torque exerted by an energy source, wherein the energy distribution wheel set meshes directly or indirectly with at least one inertia wheel set that pivots about a third axis of pivoting relative to the structure, each inertia wheel set is arranged to pivot in the opposite direction to the energy distribution wheel set, and the total inertia of the inertia wheel sets is between 60% and 140% of the inertia of the energy distribution wheel set.

Abstract: A power management method for a solar watch or a solar automatic watch. The power management method including at least one providing a primary power supply from at least one energy supplier. The primary power supply is converted to a secondary power supply when the primary power supply reaches at least one primary threshold and/or at least one secondary threshold. A motor is supplied with the secondary power supply such as to wind a mainspring via the motor.

Abstract: A horological movement provided with a generator and a circuit for regulating the frequency of rotation of this generator, the regulation circuit being arranged to be able to detect the zero crossings of an induced voltage generated in the stator by the rotating rotor and to generate first braking pulses which are triggered after zero crossings and each end before the induced voltage reaches a peak value, preferably before the rectified induced voltage reaches a power supply voltage provided by a power supply capacity. In addition, the regulation circuit is arranged so as to be able to further generate second braking pulses each of which occurs after detection of the end of a charging period of the power supply capacity during which the induced voltage reaches a peak value and each end before the induced voltage crosses zero.

Abstract: Method for adjusting the rate of a basic oscillator of a watch arranged to oscillate at a nominal frequency N0, with a master oscillator generating an excitation frequency NE approximately equal to an integer multiple of this nominal frequency N0, the master oscillator subjecting the watch to excitation or a modulated motion during a transition phase after which the basic oscillator is stabilised at the excitation frequency NE, and a state of display correction method with a winder for mechanical or automatic watches, moving a support carrying the watch and comprising a state of display correction oscillator, having a lower variation of rate value than the initial variation of rate value DI of this basic oscillator, and oscillating at a correction frequency NC to impose oscillation or a motion on the watch, during a state of display correction phase whose duration is adjusted to exactly correct a state of display error measured at the initial moment of actuation.

Abstract: Method for adjusting the rate of a basic oscillator of a watch arranged to oscillate at a nominal frequency N0, with a master oscillator generating an excitation frequency NE approximately equal to an integer multiple of this nominal frequency N0, the master oscillator subjecting the watch to excitation or a modulated motion during a transition phase after which the basic oscillator is stabilised at the excitation frequency NE, and a state of display correction method with a winder for mechanical or automatic watches, moving a support carrying the watch and comprising a state of display correction oscillator, having a lower variation of rate value than the initial variation of rate value DI of this basic oscillator, and oscillating at a correction frequency NC to impose oscillation or a motion on the watch, during a state of display correction phase whose duration is adjusted to exactly correct a state of display error measured at the initial moment of actuation.

Abstract: A coiling limitation device for a timepiece barrel includes at least one non-return notch arranged to cooperate with a sliding flange of the spring of the barrel, which is integrated in a watch including a resonator cooperating with an escapement mechanism. This device includes an acoustic device for the acoustic monitoring of the coiling of the barrel of a watch positioned on a receptacle included by the device, which acoustic devices are arranged to identify a click noise during each start of cooperation between the sliding flange and a notch. The device includes piloting devices arranged to stop the coiling of the barrel at the instant of the perception of the click noise or the repetition of the click noise.

Abstract: A timepiece and method for mounting a generator in the timepiece, this generator being formed of a rotor with permanent magnets and two coils. A supporting structure is preassembled with the rotor and an electronic module including the two coils is preformed. The method includes the following successive steps for laterally mounting the electronic module in the supporting structure so as to form the generator; assembly of an electronic module support with the supporting structure to form an articulation; rotation of the electronic module thanks to the articulation to bring the two coils closer to the axis of rotation of the rotor, so that these two coils are finally each located in a functional position at the same distance from the axis of rotation of the rotor; fastening of the electronic module to block the articulation after said rotation and thus maintain this electronic module in a functional angular position.

Abstract: A timepiece mechanism including a magnetic gear formed of a first wheel and a second wheel, the first wheel being provided with first alternating magnetic poles forming a magnetic toothing and the second wheel being provided with a toothing made of ferromagnetic material which has a magnetic coupling with the magnetic toothing, such that, when one of the first or second wheels is driven in rotation, this wheel rolls, via the magnetic coupling, over a geometric circle centred on the other wheel and linked to this other wheel. The magnetic gear further includes a ferromagnetic element arranged relative to the first wheel so as to offset at least most of a magnetic disturbance torque to which the first wheel is subjected, resulting from the magnetic coupling, this magnetic disturbance torque having a periodic variation in intensity according to the angular position of the first wheel.

Abstract: A presentation case is arranged for receiving an electromechanical watch provided with a stepping motor for driving the watch hands. The presentation case includes a box with a support for receiving the watch, a system for detecting the position of the hands, and a device for resetting the watch connected to the hand position detection system. The resetting device resets the watch based on information received from the hand position detection system and a time reference when the watch is placed on the receiving support. The resetting device includes a driver for the stepping motor of the electromechanical watch, which is arranged inside the presentation case facing the stepping motor, when the watch is placed on the receiving support, and causes a rotation of the stepping motor by inductive coupling.

Abstract: A watch includes a striking mechanism, including an attached gong (4) and a hammer (15), as well as a battery (6) and an integrated circuit (7) powered by the battery and configured to produce current pulses, and an electrodynamic actuator (17) which is connected to the integrated circuit and configured to receive said pulses, the actuator being integral with the hammer or connected to the hammer to generate in response to the pulses a movement of the hammer from a rest position thereof, the movement being able to actuate an impact of the hammer on the gong. The mechanism also includes a spring (27) connected to the hammer so as to return the hammer to its rest position after the impact. Depending on particular embodiments, the hammer undergoes one or more pre-oscillations before reaching the impact. The hammer and the gong may be provided with attracting magnets.

Abstract: The present invention concerns a method of controlling a rotational speed of a rotor (3) of a direct current electric motor (1) comprising an inductor circuit (A, B) for rotating the rotor, which is configured to rotate continuously and is equipped with permanent magnets. The method comprises: measuring the rotational speed of the rotor; determining a time drift in the rotor rotation compared to a reference signal; defining N speed thresholds with at least one being a variable speed threshold depending on the determined time drift, the N speed thresholds defining N+1 rotational speed ranges for the rotor; determining in which one of the N+1 rotational speed ranges the determined rotational speed of the rotor is; and finally selecting an action relative to the control of the inductor circuit, based on the determined rotational speed range, for controlling the rotational speed of the rotor.

Abstract: A musical or striking mechanism (1) for a timepiece or musical box, includes an energy source (6) delivering a mechanical torque and device for transmitting mechanical torque from the energy source to a wheel set for generating music or a striking wheel set (4). The mechanism also includes a wheel set governor (2) configured to regulate, around a reference speed value, the pivoting speed of the wheel set about a pivot axis, and including a break for braking the wheel set configured to return the pivoting speed thereof to the reference speed. The wheel set governor includes a system having an electric generator (16) whereof a rotor is mechanically connected to the energy source delivering the mechanical torque, and an electronic circuit for regulating the rotation speed of the generator.

Abstract: A watch self-winding device with rotary motion, including a base carrying a motor driving in rotation a support carrying a watch and includes an upper watch holder with a surface in direct contact with a watch, this support includes a microphone for listening to a watch and an embedded electronic circuit processing the signal from the microphone, the device includes, in order to supply power to the embedded electronic circuit, a first coil fixed to the base and powered by a power source carried or relayed by the base, and a second coil embedded in the support, coaxial to the first coil and arranged to transmit power to the embedded electronic circuit, which is arranged to exchange information with a static electronic circuit in the base.

Abstract: An inertial mass with adjustment of inertia and/or unbalance for a horological resonator, including a plurality of mobiles for adjusting inertia and/or unbalance, toothed or fluted, each mounted pivotably about a mobile axis with respect to a flange that the inertial mass includes, and with a centre of mass off-centre with respect to this mobile axis, each mobile cooperating by meshing with an inertia and/or unbalance adjustment crown, toothed or fluted, under a permanent constraint exerted by an elastic return force exerted by the crown and/or the mobile.

Abstract: Isochronous pivot for a resonator including two flexible strips joining attachment points of a first and a second element, defining two strip directions, and a pivot axis, at the intersection of their projections or at their intersection, each strip having a free length between its attachment points, and an axial distance between the pivot axis and the attachment point thereof farthest from the axis, the attachment point ratio X=D/L being greater than one for each strip, the strip directions defining with the axis a first apex angle whose value in degrees is comprised between f1(X)=108+67/(10X?6), and f2(X)=113+67/(10X?6).

Abstract: A motor drive unit for driving a direct current electric motor including a moving part equipped with permanent magnets. The motor drive unit, which is powered by a voltage supply source, includes a switch circuit, an inductor circuit and a capacitor circuit including a set of capacitors. By selectively opening and closing the switches of the switch circuit, a series of consecutive low energy pulses can be generated such that the power consumption of the motor drive circuit is minimized.