G04G 3 - Producing timing pulses

Patents for G04G 3 - Producing timing pulses (901)
10/1998
10/20/1998	US5826066 Method for keeping accurate time in a computer system
10/15/1998	DE19814179A1 Logical advancing or delaying circuit for regulating frequency divider output signal
10/15/1998	DE19814178A1 Highly accurate timepiece or clock
10/08/1998	WO1998044395A1 Electronic clock
09/1998
09/08/1998	US5805000 Logical lose-gain circuit and electronic device having logical loose-gain circuit
07/1998
07/29/1998	CN1189010A Oslillation circuit, electronic circuit, semiconductor device installing the same, timepiece and electronic device
07/15/1998	CN1187376A Speed measuring apparatus and toy for measuring speed of moving member
06/1998
06/23/1998	US5771180 Real time clock and method for providing same
06/17/1998	EP0848255A1 Speed measuring apparatus and toy for measuring speed of moving member
06/10/1998	EP0846989A1 Oscillation circuit and electronic circuit, and semiconductor device, timepiece, and electronic device equipped with the same
06/09/1998	US5764597 Electronic calendar
05/1998
05/14/1998	WO1998020397A1 A time analyzer having an improved interpolator with temperature compensation
05/06/1998	CN1180852A Timer time measuring equipment
05/05/1998	US5748570 Time correction of an electronic clock
04/1998
04/28/1998	US5745741 Frequency stable periodic pulse generation apparatus and method
04/23/1998	DE19640431A1 Date and time calculation method from RDS radio signal
04/14/1998	US5739762 Time correction system for radio selective calling receiver
02/1998
02/18/1998	CN2274784Y Automatic controller for timer of electric appliance
02/12/1998	WO1998006021A1 Method for keeping accurate time in a computer system
02/12/1998	CA2263402A1 Method for keeping accurate time in a computer system
02/10/1998	US5717661 Method and apparatus for adjusting the accuracy of electronic timepieces
02/04/1998	EP0822479A2 Clock system
01/1998
01/06/1998	US5706322 Precision time of day counter
11/1997
11/12/1997	EP0806713A1 Control device with a tunable standby-oscillator
09/1997
09/30/1997	US5673006 Seamless switch-over frequency synthesizer
09/09/1997	US5666330 Disciplined time scale generator for primary reference clocks
09/09/1997	US5666329 Electronic control device
09/03/1997	CN1158445A Counter circuit for improving timing accuracy
07/1997
07/01/1997	US5644271 Temperature compensated clock
05/1997
05/13/1997	US5629907 Low power timekeeping system
05/13/1997	US5629649 Frequency standard generator synchronized with satellite or other communication network reference clocks
05/07/1997	EP0772105A2 Loss-gain circuit and electronic device having such a circuit
05/07/1997	EP0771438A1 Disciplined time scale generator for primary reference clocks
04/1997
04/16/1997	EP0768583A2 A method and apparatus for generating a clock signal which is compensated for a clock rate deviation therefor
02/1997
02/06/1997	WO1997004366A1 A method for calibrating a real-time clock
12/1996
12/24/1996	US5587691 For generating a time reference signal
12/17/1996	US5586309 Universal programming interface for clock generators operable in a parallel programming mode and a serial programming mode
11/1996
11/05/1996	US5572720 Method of extending capacity of a microprocessor timer
10/1996
10/15/1996	US5565797 Clock signal generating device
08/1996
08/14/1996	CN1128873A Correcting time indication of electronic watch
08/13/1996	US5546363 Clock apparatus for forming time information for use in computer system
08/06/1996	US5544078 Timekeeping comparison circuitry and dual storage memory cells to detect alarms
06/1996
06/25/1996	US5530407 For generating a time reference signal
06/18/1996	US5528560 Timepiece receptive of a broadcast time-signal for correcting a time error
06/05/1996	CN2228664Y Dial-imitated electronic time-piece
02/1996
02/29/1996	DE19531205A1 Elektronische Uhr Electronic Clock
02/08/1996	WO1996003679A1 Disciplined time scale generator for primary reference clocks
01/1996
01/10/1996	EP0691598A2 Method and means to drive a software clock in an electronic entertainment apparatus
01/02/1996	US5481507 Electronic timekeeping device reduced adjustment data storage requirement
11/1995
11/22/1995	EP0683443A2 Time correction of an electronic clock
11/21/1995	US5469483 Timer with a compensation value to increment or decrement a count value of a counter
11/21/1995	CA2149813A1 Time correction of an electronic clock
10/1995
10/19/1995	DE4423366C1 Software clock operating method for electronic entertainment appts. e.g with TV receiver or video recorder
08/1995
08/30/1995	EP0669014A1 Electronic control device
08/15/1995	US5442669 Perishable good integrity indicator
06/1995
06/06/1995	US5422863 Automatically correcting electronic timepiece for selected signal receiving wireless receiver
05/1995
05/16/1995	US5416435 Time measurement system
05/02/1995	US5412624 Real-life timer interval adjustment
03/1995
03/16/1995	WO1995007501A1 Electronic control device
03/08/1995	EP0642080A2 Clock selection control device
12/1994
12/20/1994	US5375105 Timekeeping rate regulator for crystal controlled watches and clocks
12/13/1994	US5373542 Counter circuit capable of generating adjustable precise desired frequency
10/1994
10/18/1994	US5357491 Clock selection control device
09/1994
09/13/1994	US5347472 Precharge circuitry and bus for low power applications
09/06/1994	US5345489 Timer circuit having comparator comparing contents of counter and register
07/1994
07/06/1994	CN2171129Y Digital stopwatch with memory and frenquency measuring function
07/05/1994	US5327404 On-chip frequency trimming method for real-time clock
06/1994
06/29/1994	EP0513196A4 Device and method for providing accurate time and/or frequency
05/1994
05/24/1994	US5315566 System for providing an ensemble time
04/1994
04/20/1994	EP0593243A2 Improved time scale computation system
03/1994
03/09/1994	EP0586256A2 Time measurement system
02/1994
02/17/1994	WO1993025954A3 A universal programming interface for clock generators
02/16/1994	CN2156528Y Numerical contorlled electric appliances assembly
01/1994
01/20/1994	DE3722416A1 Timing system for mobile radio communication network with time allocation - uses base pulse generator having piezo-crystal esp. quartz, as frequency determining element, and has digital divider connected to base pulse generator for representing clock time in digital data form
12/1993
12/28/1993	US5274545 Device and method for providing accurate time and/or frequency
12/23/1993	WO1993025954A2 A universal programming interface for clock generators
12/21/1993	US5272650 Self correcting time base for inaccurate oscillators
11/1993
11/30/1993	US5267222 Low power timekeeping system
11/09/1993	US5260916 Timer
10/1993
10/20/1993	EP0566398A2 A digital trimming circuit
09/1993
09/02/1993	DE4227134A1 Real=time clock with quartz oscillator - has circuit receiving generated pulse train between oscillator and decoder for precision correction
08/1993
08/31/1993	US5241574 Pulse generating apparatus
06/1993
06/09/1993	DE4240771A1 Clock radio with time indicating unit - has radio receiver contg. time information and receiver control unit for controlling reception such that receiver unit only receives part of time information
06/08/1993	US5218694 Dual selection system for reference frequency for use in a clock
06/02/1993	CN2135166Y Guartz large clock movement
04/1993
04/20/1993	US5204957 Integrated circuit timer with multiple channels and dedicated service processor
04/20/1993	US5204845 Clock synchronization
03/1993
03/23/1993	US5197142 Memory arbitration between timekeeping circuitry and general purpose computer
02/1993
02/23/1993	CA1313763C Time reference device havingan approximately constant stability for short and long term time measurements
12/1992
12/29/1992	US5175699 Low-power clock/calendar architecture
12/01/1992	US5168478 Time standard assembly with upset protection and recovery means
11/1992
11/25/1992	CN2123090U Large needle pointer electronic clock
11/19/1992	EP0513196A1 Device and method for providing accurate time and/or frequency
11/04/1992	EP0511573A2 Clock with clock adjusting data memory
10/1992
10/28/1992	CN2120354U Electronic quartz governer
10/13/1992	US5155695 Time scale computation system including complete and weighted ensemble definition
10/07/1992	EP0507471A2 Timer circuit including an analog ramp generator and a CMOS counter
07/1992
07/22/1992	CN1017564B Device and method for controlling large tower clock
06/1992
06/23/1992	US5124958 Digital Tau synthesizer
06/23/1992	US5124597 Timer circuit including an analog ramp generator and a CMOS counter

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