Abstract: Moon phase display mechanism including a control wheel driven by a movement, which control wheel drives a moon phase disc behind an aperture in a dial, and this mechanism includes: coaxial, superposed and permanently driven in opposite directions, a first phase indicator wheel carrying a first heart cam, and a second phase indicator wheel carrying a second heart cam, and this control wheel includes means for guiding a double lever comprising two arms, only one of which arms is arranged, at any time, to cooperate in contact with one of these second and first heart cams, each to display the moon phase visible in either the Northern or Southern Hemisphere, and to allow the moon phase disc to pivot in the appropriate direction for this hemisphere.

Abstract: A chronograph mechanism including an energy accumulator, a regulating system, a chronograph counter train including a minute-counter having a minute wheel set and at least one minute indicator member, and a seconds-counter having a seconds wheel set and a seconds indicator member, a chronograph zero-reset mechanism including a minute zero-reset mechanism. The minute zero-reset mechanism is arranged to cooperate with the minute wheel set, the minute indicator member being permanently integral with the minute wheel set, and the chronograph counter train includes an uncoupling device between the minute-counter and the seconds-counter, arranged to kinematically connect the minute wheel set and the seconds wheel set during the counting and to uncouple the seconds wheel set from the minute wheel set when the chronograph mechanism is reset to zero.

Abstract: The device for pivoting an arbor about a determined axis includes at least one magnetic bearing including a magnet which exerts a force of attraction on a pivot, made of magnetic material, of the arbor. Further, the bearing includes a magnetic flux centring structure arranged between the magnet and the pivot, and a support for the centring structure. This centring structure includes a peripheral portion and a central portion resiliently connected to the peripheral portion by at least one connecting element, the central portion being formed of a highly magnetically permeable material and having smaller dimensions than those of the magnet. The peripheral portion is rigidly force fitted to the support so that the central portion is centred on the pivot axis.

Abstract: Moon phase display mechanism including a control wheel driven by a movement, which control wheel drives a moon phase disc behind an aperture in a dial, and this mechanism includes: coaxial, superposed and permanently driven in opposite directions, a first phase indicator wheel carrying a first heart cam, and a second phase indicator wheel carrying a second heart cam, and this control wheel includes means for guiding a double lever comprising two arms, only one of which arms is arranged, at any time, to cooperate in contact with one of these second and first heart cams, each to display the moon phase visible in either the Northern or Southern Hemisphere, and to allow the moon phase disc to pivot in the appropriate direction for this hemisphere.

Abstract: A chronograph mechanism including an energy accumulator, a regulating system, a chronograph counter train comprising including a minute-counter having a minute wheel set and at least one minute indicator member, and a seconds-counter having a seconds wheel set and a seconds indicator member, a chronograph zero-reset mechanism including a minute zero-reset mechanism. The minute zero-reset mechanism is arranged to cooperate with the minute wheel set, the minute indicator member being permanently integral with the minute wheel set, and the chronograph counter train includes an uncoupling device between the minute-counter and the seconds-counter, arranged to kinematically connect the minute wheel set and the seconds wheel set during the counting and to uncouple the seconds wheel set from the minute wheel set when the chronograph mechanism is reset to zero.

Abstract: A chronograph mechanism including its own energy accumulator, its own regulating system, and a gear train connecting the energy accumulator to the regulating system. The energy accumulator is formed by a strip-spring and includes a device for driving the gear train arranged to regulate the torque delivered by the strip-spring.

Abstract: Portable object provided with a mechanism for measuring atmospheric pressure, the atmospheric pressure measuring mechanism including an atmospheric pressure sensor whose geometric dimensions vary with atmospheric pressure fluctuations, the variations in the geometric dimensions of the atmospheric pressure sensor being applied to a device displaying a barometric tendency connected to the atmospheric pressure sensor via a coupling mechanism actuated by a user, the coupling mechanism being capable of being switched between a first position, in which the kinematic connection between the atmospheric pressure sensor and the barometric tendency display device is interrupted, and a second position in which the barometric tendency display device is kinematically coupled to the atmospheric pressure sensor.

Abstract: A timepiece mechanism including a movable component oscillating about a rest plane passing through a pivot axis. An arbor of the movable component includes a main protruding portion which forms the largest radius of the movable component about this axis. The protruding portion is delimited by two surfaces defining a profile inscribed in a rectangle whose shape proportion is greater than 2 wherein the direction of the length defines a main axis, which occupies a determined angular position with respect to the rest plane in the rest position of the movable component. The mechanism has a preferred direction of magnetization that is substantially orthogonal to the main axis of the arbor in the rest position.

Abstract: A shock absorber device for an arbor of a timepiece element including: a support including a base cup surmounted by a peripheral rim, which is delimited, opposite the cup, by an upper surface, the cup and the rim together defining a housing; a pivot system extending along an arbor, the pivot system being arranged in the housing and including a base including an elastic return mechanism at the periphery thereof, formed by at least one curved arm, including an opening in which is inserted a pivot element configured to cooperate with the arbor. The at least one curved arm is used for locking the pivot system in a bayonet fitting.

Abstract: A timepiece mechanism including a movable component oscillating about a rest plane passing through a pivot axis. An arbor of the movable component includes a main protruding portion which forms the largest radius of the movable component about this axis. The protruding portion is delimited by two surfaces defining a profile inscribed in a rectangle whose shape proportion is greater than 2 wherein the direction of the length defines a main axis, which occupies a determined angular position with respect to the rest plane in the rest position of the movable component. The mechanism has a preferred direction of magnetization that is substantially orthogonal to the main axis of the arbor in the rest position.

Abstract: A one-piece arbor of a pivoting movable timepiece component, the one-piece arbor being made of one or more aligned parts. The one-piece arbor is magnetically inhomogeneous.

Abstract: A timepiece sub-assembly including a mobile timepiece element including first and second annular and opposite peripheral surfaces of revolution about a same pivot axis, and a device for guiding pivoting about a theoretical axis of a timepiece mechanism. The first surface is magnetically or electrically charged, and the device includes at least three first surfaces regularly arranged around the theoretical axis, oppositely magnetically or respectively electrically charged to the first surface to repulse it at a first interface. In a watch, the second surface is magnetically or electrically charged, and the device includes at least three second surfaces regularly arranged around the theoretical axis, oppositely magnetically or electrically charged to the second surface to repulse it at a second interface.

Abstract: Mechanism for displaying the day and phase of at least a first celestial body, comprising a gear train for a constant frequency gear drive on an output of a timepiece movement. This mechanism includes a means for the three-dimensional display of the day and phase of said first celestial body represented by a first mobile component, which is driven by the gear train, which includes a phase train and a day train, each in mesh on an output of this same movement. This phase train and/or this day train include at least one uncoupling means between the input and its output thereof.

Abstract: A timepiece movement including a tourbillon that has a rotating carriage bearing a sprung balance and an escapement. The carriage includes a top pivot and a bottom pivot, respectively carried by a top bridge and a bottom bridge of the carriage. The carriage pivots between a bottom plate of the timepiece movement and a bridge of the movement in the timepiece movement includes a stop member, arranged for limiting the axial shake of the carriage.

Abstract: The calendar mechanism includes a 31 wheel set (31) for controlling a date indicator, a date drive means for driving the 31 wheel set, a 12 wheel set (12) for controlling a month indicator, and a monthly drive means for driving the 12 wheel set at the end of each month. The monthly drive means is activated by the 31 wheel set during the change from the end of one month to the first day of the next month. The calendar mechanism further includes a manually activated month corrector device arranged to advance the 31 wheel set in one stroke to an angular position corresponding to the indication of the first day of the next month, so that the monthly drive means, activated by the change from one month to the next, increments the 12 wheel set by one step.

Abstract: Backlash take-up timepiece wheel (10), for meshing with a second toothing (21) formed of second teeth (23) of given width (24) arranged consecutively with a second constant pitch (P2) on a second pitch diameter (22) of an opposing mobile component. This backlash take-up wheel (10) comprises, arranged to mesh with this second toothing (21), a first toothing (11) on a first pitch circle (12) comprising a series of identical pairs (2) of teeth arranged consecutively with a first constant pitch (P1) on the first pitch circle (12). Each such pair (2) comprises, on either side of a radial axis (3), a first flexible tooth (4) and a second tooth (5). Each second tooth (5) is a flexible tooth, and the distances (91, 92) measured on the first pitch circle (12) between a successive first tooth (4) and second tooth (5) are different in pairs.

Abstract: Portable object provided with a mechanism for measuring atmospheric pressure, the atmospheric pressure measuring mechanism including an atmospheric pressure sensor whose geometric dimensions vary with atmospheric pressure fluctuations, the variations in the geometric dimensions of the atmospheric pressure sensor being applied to a device displaying a barometric tendency connected to the atmospheric pressure sensor via a coupling mechanism actuated by a user, the coupling mechanism being capable of being switched between a first position, in which the kinematic connection between the atmospheric pressure sensor and the barometric tendency display device is interrupted, and a second position in which the barometric tendency display device is kinematically coupled to the atmospheric pressure sensor.

Abstract: The invention relates to a mechanism (5) comprising a measuring system (11, 13) mechanically connected to a display system (9) for displaying a time-related or other piece of information (2, 14). According to the invention, the display system (9) includes a quick correction device (10, 12) with an epicycloidal gear train for correcting said display of time-related or other information (2, 14) at any time while maintaining the relationship between the display system (9) and the measuring system (11, 13) during the correction phase. The invention particularly concerns the field of timepieces.

Abstract: The anti-trip balance-spring for a timepiece escapement which has no stop member is intended to oscillate between two extreme positions, passing through a position of equilibrium. It includes a plurality of coils and further includes means for locking at least two consecutive coils when the amplitude of rotation from the position of equilibrium to at least one of the end positions, reaches a determined angle ?.

Abstract: Mechanism for displaying the day and phase of at least a first celestial body, comprising a gear train for a constant frequency gear drive on an output of a timepiece movement. This mechanism includes a means for the three-dimensional display of the day and phase of said first celestial body represented by a first mobile component, which is driven by the gear train, which includes a phase train and a day train, each in mesh on an output of this same movement. This phase train and/or this day train include at least one uncoupling means between the input and its output thereof.