G04C 11 - Synchronisation of independently-driven clocks

Patents for G04C 11 - Synchronisation of independently-driven clocks (586)
11/2001
11/06/2001	US6314059 Electronically controlled, mechanical timepiece and control method for the same
10/2001
10/18/2001	US20010030909 Electronic device, electronically controlled mechanical timepiece, and control method therefor
09/2001
09/12/2001	CN1312920A Mechanical timepiece with hair-spring balance rotating angle control mechanism
09/11/2001	US6288977 Time signal repeater and time correction system using the same
09/07/2001	WO2001065319A1 Mechanical timepiece with electrostatic capacity type detecting part and braking part
07/2001
07/26/2001	WO2001053896A1 Method of manufacturing mechanical timepiece
07/05/2001	WO2001048567A1 Mechanical timepiece with timed annular balance power generating control mechanism
07/05/2001	WO2001048566A1 Mechanical timepiece with regulator actuating mechanism
07/05/2001	WO2001048565A1 Mechanical timepiece having train wheel operation controller
06/2001
06/26/2001	US6252828 Electronically controlled mechanical timepiece and control method therefor
04/2001
04/18/2001	EP1093036A1 Mechanical timepiece with timed annular balance rotating angle control mechanism
03/2001
03/27/2001	US6208119 Electronic speed-control circuit
03/21/2001	CN1288534A Electronically controlled mechanical timepiece and braking method
02/2001
02/27/2001	US6194878 Electronic speed control circuit
02/06/2001	US6185159 Radio control alarm device
01/2001
01/02/2001	US6169709 Watch movement
12/2000
12/27/2000	EP1063573A1 Electrically controlled mechanical timepiece and braking method
11/2000
11/09/2000	WO2000067077A1 Mechanical timepiece with timed annular balance rotating angle control mechanism
09/2000
09/20/2000	EP1036350A1 Pendulum clock and method for the modification of a pendulum clock
09/05/2000	US6113259 Electronic timepiece supplied by a generator driven by a mechanical power source
08/2000
08/31/2000	DE10008679A1 Time signal relay station for time correction system has antenna section that can be set to number of resonant frequencies and that receives standard time radio signal using set frequency
06/2000
06/13/2000	USRE36733 Timepiece driven by a source of mechanical energy and regulated by an electric circuit
06/07/2000	CN1255659A Automatic correction clock
06/07/2000	CN1255658A Automatic correction clock
06/02/2000	WO2000031595A1 Electrically controlled mechanical timepiece and braking method
05/2000
05/17/2000	CN2378741Y Synchronous electronic clock
05/03/2000	CN2376635Y 世界时钟 World Clock
03/2000
03/21/2000	US6041021 Electronically controlled mechanical timepiece and control method therefor
01/2000
01/12/2000	CN1241269A Rotation control apparatus and rotation control method
01/12/2000	CN1241268A Electronically controlled mechanical clock and method of controlling same
12/1999
12/07/1999	US5999493 Synchronization method and apparatus for isolated clock system
09/1999
09/15/1999	EP0942341A1 Electronically controlled mechanical clock and a method of controlling the same
09/15/1999	EP0942340A1 Rotation control apparatus and rotation control method
08/1999
08/26/1999	WO1999042909A1 Pendulum clock and method for the modification of a pendulum clock
04/1999
04/28/1999	EP0848842B1 Timepiece movement
04/21/1999	CN1214477A Electronically controlled mechanical timepiece and method of controlling the same
04/21/1999	CN1214476A Electronically controlled, mechanical timepiece and control method for the same
04/08/1999	WO1999017172A1 Electronically controlled mechanical clock and a method of controlling the same
04/08/1999	WO1999017171A1 Rotation control apparatus and rotation control method
03/1999
03/31/1999	EP0905589A2 Electronically controlled, mechanical timepiece and control method for the same
03/31/1999	EP0905588A2 Electronically controlled mechanical timepiece and method of controlling the same
03/09/1999	US5881027 Timepiece movement
11/1998
11/04/1998	EP0875807A1 Electronic timepiece powered by a generator driven by a mechanical energy source
11/04/1998	CN1197943A Electronic timepiece supplied by generator driven by mechanical power source
10/1998
10/07/1998	CN1195408A Timepiece movement
06/1998
06/24/1998	EP0848842A1 Timepiece movement
01/1998
01/28/1998	EP0788623A4 High resolution, remotely resettable time clock
01/07/1998	EP0816955A1 Electronic circuit and timepiece containing such a circuit
12/1997
12/29/1997	EP0814390A2 Electronic equipment
08/1997
08/13/1997	EP0788623A1 High resolution, remotely resettable time clock
03/1997
03/13/1997	WO1997009657A1 Timepiece movement
05/1996
05/22/1996	CN1122920A A timepiece driven by a source of mechanical energy and regulated by an electric circuit
05/14/1996	US5517469 Timepiece driven by a source of mechanical energy and regulated by an electric circuit
05/09/1996	WO1996013762A1 High resolution, remotely resettable time clock
02/1996
02/14/1996	CN2220085Y Double-position detecting automatic tracking quartz tower clock
11/1995
11/02/1995	EP0679968A1 Timepiece driven by a mechanical power source and regulated by an electronic circuit
04/1995
04/06/1995	DE4333844A1 Controlling (regulating) pendulum clocks by means of time signals (pips)
12/1994
12/20/1994	US5375018 Location acquisition and time adjusting system
11/1994
11/08/1994	US5363348 High resolution, remotely resettable time clock
11/03/1994	DE4313945A1 Method and devices for disseminating standard time information
10/1994
10/29/1994	CA2121552A1 Method and apparatus for disseminating standard time information
03/1994
03/09/1994	CA2100633A1 Method for automatically updating a personal computer system time clock over a telephone line
12/1993
12/07/1993	US5268881 Compensator for a mechanical pendulum clock
07/1993
07/27/1993	US5231612 Position detection and correction mechanism for a timepiece
03/1993
03/03/1993	EP0529390A2 Means for detecting gear position and means for correction
09/1992
09/23/1992	EP0504625A1 Compensator for a mechanical pendulum clock
02/1992
02/06/1992	WO1992001978A1 Location acquisition and time adjusting system
04/1989
04/18/1989	US4823328 Radio signal controlled digital clock
03/1989
03/01/1989	EP0305200A2 Radio signal controlled digital clock
01/1988
01/13/1988	CN87203129U Large-scale clock automatic control equipment
03/1987
03/17/1987	US4650344 Radio controlled timepiece
06/1986
06/25/1986	EP0185160A2 Radio-controlled time piece
05/1986
05/07/1986	EP0180155A2 Radio-controlled watch
05/1984
05/22/1984	CA1167649A1 Method of automatic adjustment of self-contained radio-clock by means of time mark
07/1983
07/26/1983	US4395137 Synchronizing system for oscillating mechanism
07/26/1983	CA1150866A1 Teleindicator for information boards
08/1982
08/03/1982	US4342992 Teleindicator for information boards
06/1979
06/12/1979	CA1056166A1 Method and aparatus for synchronising a mechanical oscillating system to the accuracy of a quartz standard
08/1978
08/15/1978	US4106280 Method and apparatus for synchronizing a mechanical oscillating system to the accuracy of a quartz standard
10/1977
10/04/1977	US4051663 Electronic timepiece
03/1977
03/08/1977	US4010602 High frequency reed time governor for a timepiece
02/1977
02/15/1977	US4007582 Method and apparatus for synchronizing an electrodynamic clockwork drive
02/08/1977	US4007408 Apparatus for synchronization of a motor
04/1976
04/27/1976	US3952497 Method and apparatus for synchronizing andoscillating system which is driven by an energy storage device
04/06/1976	US3948036 Electronic timepiece
02/1976
02/10/1976	US3937001 Watch movement driven by a spring and regulated by an electronic circuit

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