G04C 13 - Driving mechanisms for clocks by master clocks

Patents for G04C 13 - Driving mechanisms for clocks by master clocks (402)
05/2004
05/12/2004	EP1418475A1 Electromechanic micromotor
04/2004
04/20/2004	CA2197526C Electromechanic transducer having multipolar permanent magnets
02/2004
02/05/2004	DE10133658B4 Verfahren und Einrichtung zur entfernungsunabhängigen Energie-und Zeitinformationsübertragung zwischen einer Empfangseinrichtung und einer Synchronisationseinrichtung Method and apparatus for range-independent energy and time information transmission between a receiver and a synchronization device
01/2004
01/14/2004	CN1134715C Electronically controlled mechanical timepiece
11/2003
11/06/2003	WO2003091810A2 Radio controllable clock
11/05/2003	CN1127194C Electromechanical transducer comprising two rotors having permanent magnets
10/2003
10/29/2003	EP1357448A1 Radio controllable clock
10/23/2003	US20030197434 Two-pole step motor for timepiece
10/14/2003	US6633511 Electronic controlling type mechanical timepiece
04/2003
04/30/2003	CN1107371C Electromechanic transducer having multipolar permanent magnets
04/15/2003	US6548922 2-Pole stepper motor for timepiece
04/03/2003	US20030063525 Microprocessor controlled quartz analog clock movement
03/2003
03/26/2003	CN1104085C Electromagnetic motor with two coaxial rotors
02/2003
02/05/2003	EP1282017A2 Two-pole step motor for timepiece
10/2002
10/29/2002	US6473366 Method for timing a clock
10/16/2002	EP1118916B1 2-pole stepper motor for timepiece
10/01/2002	US6459657 Time information repeating installation and time information control system
08/2002
08/20/2002	US6437466 Monophase electromechanical transducer, in particular of the horological type, and electromechanical device including at least one such transducer
06/2002
06/20/2002	US20020075761 Method for timing a clock
05/2002
05/15/2002	CN1084952C Electromechanical transducer comprising two rotors
04/2002
04/16/2002	US6373788 Electronically controlled mechanical timepiece
12/2001
12/19/2001	CN1327550A Timpiece device
12/06/2001	DE10027743A1 Clock control device for decentralized radio-supported control of pulsed secondary clocks converts a DCF77 signal into minute pulses while correcting a decentralized time by comparing an internal software clock with DCF time.
08/2001
08/22/2001	EP1126335A1 Timepiece device
07/2001
07/25/2001	EP1118916A1 2-pole stepper motor for timepiece
07/18/2001	CN1304500A 2-pole stepper motor for timepiece
04/2001
04/17/2001	US6219302 Time signal repeater and time correction system using the same
03/2001
03/27/2001	US6208055 Electromagnetic transducer and electronic device including the transducer
03/21/2001	CN1288532A Electronically controlled mechanical timepiece
03/21/2001	CN1288531A Electronically controlled mechanical timpiece
03/20/2001	US6205090 Automatically correctable clock
03/08/2001	WO2001016655A1 Timepiece device
12/2000
12/28/2000	DE10006660A1 Time information relay apparatus for use in mobile communication system, has controller to change preset transmitting time of transmitter when discontinuous switching of standard time information signal is detected
11/2000
11/21/2000	CA2092818C Impulse clock system
11/02/2000	EP1048990A1 Electronically controlled mechanical timepiece
11/02/2000	EP1048989A1 Electronically controlled mechanical timepiece
10/2000
10/19/2000	DE10013141A1 Time signal relay station receives a long-wave time signal and corrects its internal clock before re-transmitting a modulated radio time signal at different intensities so that clocks near and far can adjust their times accurately
05/2000
05/31/2000	CN2380944Y Rotary-wheel timer
05/25/2000	WO2000029911A1 Electronically controlled mechanical timepiece
05/25/2000	WO2000029910A1 Electronically controlled mechanical timepiece
05/03/2000	CN2376635Y 世界时钟 World Clock
04/2000
04/05/2000	EP0990961A1 Electromagnetic transducer and electronic device including the transducer
03/2000
03/01/2000	CN2366873Y Slave clock having automatic calibration function
02/2000
02/15/2000	US6025660 Electromechanical transducer comprising two rotors having permanent magnets
12/1999
12/16/1999	WO1999064937A1 2-pole stepper motor for timepiece
11/1999
11/10/1999	CN2348415Y Digital sidereal mather-and-slave clock
09/1999
09/22/1999	CN2340012Y Micro-size large-reduction-ratio quartz electronic driver
07/1999
07/14/1999	CN2329028Y Time clock
06/1999
06/29/1999	US5917257 Electromagnetic motor with two coaxial rotors
06/02/1999	EP0919886A1 Electric watch
05/1999
05/04/1999	US5901115 Analog radio clock with time zone conversion
01/1999
01/07/1999	DE19824840A1 Analog radio clock
10/1998
10/20/1998	US5825106 Bi-directional biphase electromechanic transducer having multipolor magnets
07/1998
07/01/1998	CN1186374A Electromagnetic motor with two coaxial rotors
07/01/1998	CN1186368A Monophase electromechanical transducer, in particular of horological type, and electromechanical device including at least one such transducer
06/1998
06/03/1998	EP0845850A1 Electromagnetic motor with two coaxial rotors
03/1998
03/31/1998	US5734215 Electromechanical transducer comprising two rotors
03/18/1998	CN1176520A Electromechanical transducer comprising two rotors having permanent magnets
02/1998
02/18/1998	EP0824289A1 Electromechanical transducer featuring two permanent magnet rotors
01/1998
01/28/1998	EP0788623A4 High resolution, remotely resettable time clock
12/1997
12/16/1997	CA2036911C Energization coil device, a method of making such a device and an electromagnetic micromotor fitted therewith
11/1997
11/06/1997	DE19615150A1 Analogue clock radio with manual switch for adjusting time zones
11/05/1997	CN1164142A Electromecanic transducer having multipolar permanent magnets
10/1997
10/09/1997	DE19611830A1 Time signal distribution system for AC power network
09/1997
09/23/1997	US5671192 Radio-controlled clockwork
09/11/1997	DE19616225A1 Tapping module for 24 volt clock system with clock loops controlled by main clock
08/1997
08/20/1997	EP0790540A1 Electromagnetic transductor with multipolar permanent magnets
08/13/1997	EP0788623A1 High resolution, remotely resettable time clock
08/13/1997	CN1035645C Electromagnetic motor with two rotation senses particularly intended for timepiece
07/1997
07/31/1997	DE19651167A1 Secondary clock system with central control unit with clock time transmitter for use in e.g. sea going ships
06/1997
06/04/1997	EP0667004B1 Radio-controlled clockwork
11/1996
11/26/1996	US5579290 Epicycloidal step motor
10/1996
10/23/1996	CN1033120C Electromagnetic transducer with multipolar permanent magnet
08/1996
08/28/1996	CN1129861A Epicycloidal step motor
07/1996
07/17/1996	CN1126902A Electromechanical Transducer Comprising Two Rotors
06/1996
06/13/1996	DE4446929A1 Radio clock with analogue display
05/1996
05/09/1996	WO1996013762A1 High resolution, remotely resettable time clock
04/1996
04/10/1996	EP0706099A1 Epicycloidal stepping motor
02/1996
02/28/1996	EP0698957A1 Electromechanical transducer having two rotors
12/1995
12/14/1995	DE19518439A1 Radio synchronised mechanical watch
11/1995
11/02/1995	EP0679970A1 Multiphase-type stepping motor
08/1995
08/16/1995	EP0667004A1 Radio-controlled clockwork.
08/15/1995	US5442599 Impulse clock system
06/1995
06/13/1995	US5425004 Two-wire electronic module for remote digital clocks
05/1995
05/24/1995	DE4339312A1 Radio transmitted code synchronised electronic wristwatch
05/24/1995	CN1028582C Energization coil device, method of making such device and electromagnetic micromotor fitted therewith
03/1995
03/01/1995	EP0640895A1 Stepping motor for an electric timepiece
11/1994
11/08/1994	US5363348 High resolution, remotely resettable time clock
08/1994
08/02/1994	US5334975 Residential time reference system
06/1994
06/14/1994	US5321330 Electromagnetic transducer with a multipolar permanent magnet
05/1994
05/11/1994	WO1994010612A1 Radio-controlled clockwork
04/1994
04/12/1994	US5302875 Electromagnetic motor with two rotation senses particularly intended for a timepiece
03/1994
03/10/1994	DE4236903C1 Funkgesteuertes Uhrwerk The radio-controlled movement
01/1994
01/25/1994	US5282180 Impulse clock system
12/1993
12/23/1993	DE4319946A1 Radio clock with unit for indicating time and receiver unit - receives radio waves contg. time information and time information removal unit for removing information contained in radio waves and adjusting time on basis of received signals
10/1993
10/05/1993	US5251191 Remotely-synchronizable time display
09/1993
09/02/1993	DE4206183A1 Stepper motor for quartz controlled watch or clock - has permanent magnets to ensure saturation of defined regions of stator independently of materials used in main magnetic circuit
08/1993
08/17/1993	CA2009418C Multipole step motor
08/10/1993	US5235563 Autonomous radio timepiece
07/1993
07/28/1993	CN1074787A Electromagnetic transducer with a multipolar permanent magnet

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