| Patents for G04C 15 - Clocks driven by synchronous motors (46) |
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| 12/09/2014 | US8908477 Method for authenticating an electronic watch and electronic watch for implementing the method |
| 11/27/2014 | US20140347963 Reversible Mystery Watch |
| 03/31/2010 | CN201434975Y Programmable time controller with functions of cycle automatic correction |
| 03/18/2009 | CN201210235Y Novel construction for coil assembly of watch |
| 08/28/2008 | US20080205198 Adjustable time relating device for non-readers |
| 12/21/2007 | WO2006102299A3 A clock having a linear array of graduations and light bands indicating hours minutes and seconds |
| 10/10/2007 | CN200959079Y 钟表 Watches |
| 05/09/2007 | EP1052557B1 Timepiece |
| 11/16/2006 | US20060256663 Clock having a linear array of graduations and light bands indicating hours, minutes, and seconds |
| 09/28/2006 | WO2006102299A2 A clock having a linear array of graduations and light bands indicating hours minutes and seconds |
| 08/01/2006 | US7085198 Method for producing computer-assisted real-time systems |
| 02/12/2004 | US20040027924 Method for producing computer-assisted real-time systems |
| 07/09/2003 | EP1325410A2 Method for producing computer-assisted real-time systems |
| 07/18/2002 | WO2002021261A3 Method for producing computer-assisted real-time systems |
| 03/14/2002 | WO2002021261A2 Method for producing computer-assisted real-time systems |
| 03/14/2002 | DE10057651A1 Verfahren zur Herstellung von computergestützten Echtzeitsystemen A process for producing computer based real-time systems |
| 02/19/1997 | CN1143207A Making method for large torque quartz clock core |
| 05/28/1996 | US5521445 Device for administering timed orders for the remote control of electrical apparatus |
| 08/17/1994 | EP0610879A1 Device to control time commands for the remote control of electrical apparatus |
| 01/02/1990 | US4891538 Synchronous motor with sinusodial torque variation in each phase |
| 06/29/1988 | EP0187740B1 Single-phase motor with magnetized rotor |
| 12/15/1987 | US4713565 Single-phase motor with a magnetized rotor |
| 11/19/1987 | EP0151158B1 Multiphase motor with magnetized rotor having n pairs of poles with axial magnetization |
| 07/14/1987 | US4680494 Multiphase motor with facially magnetized rotor having N/2 pairs of poles per face |
| 01/06/1987 | US4634906 Multiphase motor with magnetized rotor having N pairs of poles with axial magnetization |
| 12/16/1986 | US4629924 Multiphase motor with magnetized rotor having N/2 pairs of poles at its periphery |
| 07/23/1986 | EP0187740A1 Single-phase motor with magnetized rotor. |
| 01/30/1986 | WO1986000765A1 Single-phase motor with magnetized rotor |
| 01/21/1986 | US4565955 Synchronous motor device for timepiece |
| 09/11/1985 | EP0153930A1 Multiphase motor with magnetized rotor having n/2 pairs of poles at its periphery |
| 08/14/1985 | EP0151159A1 Multiphase motor with magnetized motor having n/2 pairs of poles per face |
| 08/14/1985 | EP0151158A1 Multiphase motor with magnetized rotor having n pairs of poles with axial magnetization. |
| 07/31/1985 | EP0149647A1 Monophase motor with magnetized rotor having n/2 pairs of poles per face |
| 04/23/1985 | US4513216 Multi-pole rotor particularly for small and miniature electric generators and motors |
| 02/14/1985 | WO1985000707A1 Monophase motor with magnetized rotor having n/2 pairs of poles per face |
| 02/14/1985 | WO1985000706A1 Multiphase motor with magnetized rotor having n/2 pairs of poles at its periphery |
| 02/14/1985 | WO1985000705A1 Multiphase motor with magnetized motor having n/2 pairs of poles per face |
| 02/14/1985 | WO1985000704A1 Multiphase motor with magnetized rotor having n pairs of poles with axial magnetization |
| 11/29/1983 | US4418307 Method and apparatus for controlling the rotational speed and phase of synchronous motors |
| 01/18/1983 | US4369362 Recorder control apparatus and method |
| 08/12/1981 | EP0033693A1 Non-return device for a self-starting synchronous motor |
| 07/07/1981 | US4277704 Motor for electronic watch |
| 05/06/1981 | EP0027856A1 Arrangement for regulating the number of revolutions and phase position of synchronous motors |
| 04/14/1981 | US4262223 Electro-magnetic motor for timepiece |
| 10/26/1976 | US3988639 Low power synchronous motor and line cord therefor |
| 06/29/1976 | US3967147 Low power synchronous motor and line cord therefor |