Abstract: Timepiece wheel governor (1) for regulating the pivoting speed (?) of a wheel set (3), about a pivot axis (D1), including a pivoting inertia-block (4). It includes a means (7) of returning said block (4) towards said axis (D1), and, when said wheel set (3) pivots at a lower speed than a reference speed (?c), said block (4) remains confined within a first volume of revolution (VI), and, when said wheel set (3) pivots at a higher speed than said reference speed (?c), said block (4) is engaged, in one peripheral portion (30) thereof, in a second volume (VE) contiguous with and external to said first one (VI), said peripheral portion (30) cooperating in said second volume (VE) with a regulating means arranged to brake said wheel set (3) and return the pivoting speed (?) thereof to said reference speed (?c), and to dissipate the surplus energy.

Abstract: The timepiece movement includes a shock absorber bearing (70) for a rotating wheel set, formed of an elastic device (72) having a rigid central part (74) and an elastic structure (26) connected to said central part and extending at the periphery thereof, the central part having an aperture in which a pierced jewel (10) is arranged and being materially connected to the timepiece movement via the elastic structure. This bearing further includes an endstone (82), which forms a top stop member for the pivot of the rotating wheel set and is assembled to said central part so as to move integrally therewith. The bearing is characterized in that the endstone extends at least partially above the elastic structure and in that it is secured to said central part by a material connection between said central part and the bottom surface (83) of the endstone.

Abstract: The collet, which can be made in a single piece and at the same time as the balance-spring, is formed by a plate (1) which includes an aperture (3) for attachment to a balance staff (5) and has an asymmetrical contour (9) which follows at a substantially constant distance d the contour of the first coil (11) of the inner terminal curve. The plate can further include recesses (13) for repositioning the centre of gravity g on the balance staff (5).

Abstract: Timepiece movement 1 including an energy source 36 coupled to an oscillating weight 2 by a first kinematic chain 3 for automatically winding the movement 1, the timepiece movement 1 being characterized in that the energy source 36 is also coupled to an actuation device 41 and a vibrating element 42 via a second kinematic chain 4 to form a vibrating alarm mechanism that can be released at a predetermined time.

Abstract: The present invention concerns a portable object (1). This portable object includes a case (2) to which a bracelet or strap (3) is fixed taking the form of two bracelet or strap strands. The portable object is characterized in that at least one of the bracelet or strap strands is moveably mounted to slide relative to the case so that the length of the bracelet or strap can be adjusted.

Abstract: The invention concerns a timepiece movement that includes first and second energy sources, wherein the first energy source is coupled to an oscillating weight by a first kinematic chain for automatically winding the movement, and the second energy source is coupled both to an activating device, and to a vibrating element by a second kinematic chain, to form a vibrating alarm mechanism that can be activated at a predetermined time. In addition, for the timepiece movement, the vibrating element of the vibrating alarm mechanism is the oscillating weight.

Abstract: The device for protecting a timepiece balance spring (1) from stray magnetic fields includes at least one disc (2) with high magnetic permeability, arranged in a parallel plane to the plane of the balance spring, wherein the disc (2) and the balance spring are mounted coaxially with each other.

Abstract: A timepiece movement comprising a coupling mechanism including first and second coupling wheel sets, whereby the rotation of the first coupling wheel set causes the second coupling wheel set to rotate, whereby the coupling mechanism is a centrifugal coupling mechanism including an inertial click secured to the hub of the first coupling wheel set, and meshing with stop members secured to the second coupling wheel set.

Abstract: The invention concerns a timepiece movement that includes first and second energy sources, wherein the first energy source is coupled to an oscillating weight by a first kinematic chain for automatically winding said movement, and the second energy source is coupled both to an activating device, and to a vibrating element by a second kinematic chain, to form a vibrating alarm mechanism that can be activated at a predetermined time. The timepiece movement is wherein the vibrating element of the vibrating alarm mechanism is the oscillating weight.

Abstract: The collet, which can be made in a single piece and at the same time as the balance-spring, is formed by a plate (1) which includes an aperture (3) for attachment to a balance staff (5) and has an asymmetrical contour (9) which follows at a substantially constant distance d the contour of the first coil (11) of the inner terminal curve. The plate can further include recesses (13) for repositioning the centre of gravity g on the balance staff (5).

Abstract: There is disclosed a portable electronic device (1), particularly of the wristwatch type, comprising at least first and second analogue display members, a sensor (23, 52) powered to take measurements of a surrounding physical magnitude and a memory zone (26) for storing the measured physical magnitude values. The electronic circuits of the device are capable of operating the analogue display members, in an operating mode called the historic mode, such that at least one of them indicates the change in the stored value as a function of time opposite suitable graduations (8, 9, 33, 42, 51) of the device.

Abstract: The invention concerns a device for securing a pallet stone to an escapement pallet including at least one housing for receiving said pallet stone, characterized in that the portion of the pallet including said housing is made of a shape memory alloy able to undergo a reversible transformation from an austenitic crystallographic phase to a martensitic crystallographic phase.

Abstract: The invention relates to an electronic timepiece comprising manual control means (21, 23) for the selection of different modes and an analog display provided with indicators (26, 27, 28, 32, 34) moved separately by electric motors to indicate the time on a dial (22) in a time mode and other information in one or more other modes, said indicators comprising at least an hour hand (26), a minute hand (27), a day indicator (32) and a month indicator (34). In addition, at least one of the modes to be selected is an event indication mode, in which the Gregorian date of a movable event is delivered by the electronic circuits of the timepiece and is displayed at least by the day indicator (32) and month indicator (34), said timepiece having means for the display of the number of the Gregorian year.

Abstract: The present invention concerns a water-resistant portable apparatus including a case in which there is mounted an electroacoustic transducer separated from an inlet cavity in a water-resistant manner by a deformable membrane. This inlet cavity is arranged in said case in direct communication with the exterior. The electroacoustic transducer and the inlet cavity are arranged collaterally such that at least one part of said transducer, respectively of the cavity, of a determined thickness is arranged in the same slice of the case and in that an acoustic channel connects the transducer to the membrane to transmit acoustic vibrations.

Abstract: The magnetic control device (1) for a timepiece comprises a sealed tube (3) which comprises a blind end inserted into an opening of the timepiece, whereas the other end of the tube opens towards the outside. A control stem (12) is provided in order to slide inside the tube (3). It carries a magnet (21) which is displaced integrally with the stem inside the tube. By manipulating the end of the stem which emerges from the tube (3), the wearer of the watch can make the magnet selectively occupy three positions. A first and a second magnetic sensor (22, 23) with two states are disposed inside the timepiece along the sealed tube so that three different combinations of a state of the first sensor (22) with a state of the second sensor (23) are respectively associated with three predefined positions of the first magnet (21).

Abstract: The magnetic control device (1) for a timepiece comprises a sealed tube (3) which comprises a blind end inserted into an opening of the timepiece, whereas the other end of the tube opens towards the outside. A control stem (12) is provided in order to slide inside the tube (3). It carries a magnet (21) which is displaced integrally with the stem inside the tube. By manipulating the end of the stem which emerges from the tube (3), the wearer of the watch can make the magnet selectively occupy three positions. A first and a second magnetic sensor (22, 23) with two states are disposed inside the timepiece along the sealed tube so that three different combinations of a state of the first sensor (22) with a state of the second sensor (23) are respectively associated with three predefined positions of the first magnet (21).

Abstract: The invention concerns a device for securing a pallet stone to an escapement pallet including at least one housing for receiving said pallet stone, characterized in that the portion of the pallet including said housing is made of a shape memory alloy able to undergo a reversible transformation from an austenitic crystallographic phase to a martensitic crystallographic phase.

Abstract: There is disclosed a wristwatch having a case containing a mechanical watch movement (10) driven by a spring barrel (14) and provided with a mechanical regulator with a balance and balance-spring, which is associated, via electromagnetic coupling, with an electronic regulator driven by a quartz resonator. The rim of the balance (13) is provided with a pair of permanent magnets (38, 39). The electronic regulator includes a fixed coil (12) arranged for cooperating with said magnets via electromagnetic coupling, a rectifier (58) provided with at least one capacitor, and a circuit (60) for enslaving the frequency of the mechanical regulator to the frequency of the oscillator by braking obtained by briefly short-circuiting the coil. In order to enable a common type of mechanical movement to be used, only the balance of which is altered, the electronic regulator is formed by a structural module (11) that is entirely separate from the mechanical watch movement (10).

Abstract: In order to display alternately various parameters in the same aperture (46) of a dial or possibly in distinct apertures, the watch is provided with a rotating display disc (51) which includes a series (60) of numbers, representing the dates (1-31) on one part of its circumference and, on the rest of the circumference, at least one image of a celestial body, for example the moon (62) and/or the sun, and optionally other symbols (64). Over time, this image is set in different positions in the aperture, to represent the phases of the moon or the rising and setting of the sun. In an electronic watch, the display disc is preferably driven by an electric motor (54) via a large reduction gear (56).

Abstract: There is disclosed a portable electronic device (1), particularly of the wristwatch type, comprising at least first and second analogue display members, a sensor (23, 52) powered to take measurements of a surrounding physical magnitude and a memory zone (26) for storing the measured physical magnitude values. The electronic circuits of the device are capable of operating the analogue display members, in an operating mode called the historic mode, such that at least one of them indicates the change in the stored value as a function of time opposite suitable graduations (8, 9, 33, 42, 51) of the device.