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