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| Number | Title | Issue Date |
| 7396154 | Regulating element for wristwatch and mechanical movement comprising one such regulating element Regulating element for wristwatch comprising: a balance, a magnetic return member for returning the balance to at least one stable equilibrium position, and an escapement for maintaining the oscillation of the balance around the equilibrium position. ... | 07/08/2008 |
| 7350966 | Watch including at least two regulating systems The invention concerns a watch with a mechanical movement of the type comprising at least two regulating systems (SR1, SR2) each including a mechanical oscillator and an escapement. The movement includes as many sub-assemblies (SE1, SE2) ... | 04/01/2008 |
| 7316504 | Mechanically regulated timepiece The invention concerns a timepiece with mainspring of the so-called fly tourbillon type, the tourbillon having a balance bridge (2) forming a cage with a collet (1) and a single protruding ball bearing (5) supporting said so-called fly tourbillo... | 01/08/2008 |
| 7016265 | Timepiece having a mechanical movement associated with an electronic regulator There is disclosed a timepiece having a mechanical clockwork-movement (10) driven by a barrel spring (14) and provided with a mechanical regulator, with a balance and a balance spring, which is associated, via electromagnetic coupling, with an electron... | 03/21/2006 |
| 6914855 | Circuit for driving motor coils in stepping motors A circuit for selectively driving n motor coils associated with a plurality of stepping motors, wherein only (n+1) motor coil drivers are needed. A timepiece that utilizes such a circuit is also provided. ... | 07/05/2005 |
| 6678218 | Timepiece including a generator The timepiece includes a time base (13), a generator (1) formed in particular of a rotor (2) with permanent magnets and at least one coil (3), a barrel (6) with a mainspring coupled to said generator in order to drive it, analogue time indicating means (7... | 01/13/2004 |
| 4167848 | Driving device for an electric timepiece A driving device including a magnetized driving rotor mounted for rotation within a magnetic field produced in a coreless coil, and, in order to make the magnetic pole of said driving rotor deviate by a definite angle relative to the magnet field directio... | 09/18/1979 |
| 4162418 | Stepping motor for electronic clock A compact stepping motor for an electronic clock which features high stability in the direction of the motor rotation and small electric power consumption is provided with a rotor and a stator that surrounds the rotor and includes portions having a recess... | 07/24/1979 |
| 4011714 | Device for maintaining the oscillation of a balance for a timepiece The device comprises a balance having two magnets attached thereto, a coil combining pick-up and driving functions, two complementary transistors, an RC circuit formed of a speed-up first condenser and a first resistor, a biasing second resistor, a coupli... | 03/15/1977 |
| 4007582 | Method and apparatus for synchronizing an electrodynamic clockwork drive A circuit for synchronizing an electrodynamic clockwork drive including two inductors and two permanent magnet assemblies which are moved relative to a clockwork drive by a mechanical oscillation system having the inherent frequency f and the first induct... | 02/15/1977 |
| 3952497 | Method and apparatus for synchronizing andoscillating system which is driven by an energy storage device A technique of synchronizing an oscillating system driven by a mechanical energy storage means, particularly a timepiece having a regulating member which is set and maintained in oscillation by a pulse-like driving moment and which is synchronized by elec... | 04/27/1976 |
