Patents
Sitemap › G04 - Horology › G04G - Electronic time-pieces › G04G 7 - Synchronisation
Patents for G04G 7 - Synchronisation (1,541)
10/1994
10/29/1994CA2121552A1 Method and apparatus for disseminating standard time information
10/12/1994EP0619685A2 Timepiece for radio display pager synchronised to the local standard time
09/1994
09/29/1994DE4406829A1 Pulse signal detector circuit
07/1994
07/21/1994WO1994016344A1 Multi-vessel timing synchronization method and device
05/1994
05/24/1994US5315566 System for providing an ensemble time
04/1994
04/20/1994EP0593243A2 Improved time scale computation system
03/1994
03/09/1994EP0586256A2 Time measurement system
02/1994
02/16/1994CN1082285A Clock synchronization system
02/02/1994EP0581137A1 Method for correcting measurement errors induced by clock time drifts inside a secondary surveillance radar system
01/1994
01/04/1994US5276661 Master clock generator for a parallel variable speed constant frequency power system
01/04/1994US5276659 Clock synchronous system for a network station
12/1993
12/28/1993US5274545 Device and method for providing accurate time and/or frequency
11/1993
11/23/1993US5265070 Receiving device with timekeeping function
11/18/1993DE4215380A1 Synchronisation system for local clocks with automation modules - performs synchronisation operation when difference between local unit and central unit is less than transmission and processing time of central unit
10/1993
10/14/1993WO1993020617A1 Digital clock selection and changeover apparatus
10/13/1993EP0565180A2 A method of time measurement in a communications system, a communications system and a receiving apparatus for use in the system
10/06/1993EP0564220A2 Clock synchronization system
10/01/1993CA2091962A1 Clock synchronization system
08/1993
08/31/1993US5241667 Electronic equipment controlling apparatus utilizing reference clock generator means
08/26/1993DE4304321A1 Adjusting receiving time of radio clock with time output unit and receiver unit - receiving radio wave contg. time information using detector unit for determining time at which radio wave can be most effectively received by the receiver unit
08/19/1993DE4204229A1 Phase-normal controller for synchronisable frequency synthesiser - produces corrective tuning voltage for reference oscillator by digital=to=analogue conversion from satellite time signal
07/1993
07/13/1993US5227672 Digital clock selection and changeover apparatus
06/1993
06/30/1993EP0548381A1 Time control method in computer networks
06/15/1993US5220333 Method and apparatus for determining universal coordinated time from Loran-C transmissions
06/09/1993DE4240771A1 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
04/1993
04/20/1993US5204845 Clock synchronization
10/1992
10/06/1992US5153824 High stability clock synchronized on an external synchronization signal
08/1992
08/05/1992CN2112171U Photoelectric follow-up control device of single primary clock-type crystal tower clock
07/1992
07/28/1992CA1305611C High accuracy frequency standard and clock system
05/1992
05/14/1992DE4105506C1 Time registering installation with concentrator for data input terminals - has radio clock receiver with interface allowing information concerning actual time to be called up
04/1992
04/15/1992EP0480058A1 Clock device
04/07/1992USH1044 Method and apparatus for precision ranging using stable clocks
02/1992
02/12/1992EP0470199A1 Arrangement in a computer system
02/06/1992WO1992001978A1 Location acquisition and time adjusting system
12/1991
12/18/1991EP0461849A2 Paging receiver with a time piece function
12/04/1991EP0459039A1 Apparatus and method for generating time data for computer networks
11/1991
11/26/1991US5068838 Location acquisition and time adjusting system
10/1991
10/31/1991WO1991016671A1 Clock device
10/31/1991WO1991016670A1 Method and apparatus for accurate time maintenance and display
10/31/1991DE4012975A1 Time signal receiver for radio clock in motor vehicle - comprises two modules, one contg. receiving circuit and other decoder, clock circuit and display
10/10/1991DE4008898A1 Electronic time indicating hands position memory - retains number of forwarding steps if working voltage drops or fails in radio-controlled clock
08/1991
08/13/1991US5040158 Method for operating and maintaining a clock of a system
04/1991
04/24/1991EP0423663A1 Synchronised watch
03/1991
03/12/1991US4999638 Apparatus and method for synchronizing the signal averaging clock of a Loran C. receiver to the clock of a Loran C. transmitter
02/1991
02/12/1991US4993003 Apparatus for updating time-of-day information in a signal
01/1991
01/23/1991CN2070011U Digital group sunchronisation timing device
11/1990
11/01/1990WO1990013078A1 Arrangement in a computer system
08/1990
08/07/1990US4947382 Direct digital locked loop
06/1990
06/28/1990WO1990007147A1 Clock synchronization
04/1990
04/03/1990US4914444 System and method for synchronizing lightning detectors
02/1990
02/28/1990EP0355567A2 Date and time correcting device and method therefor
02/06/1990US4899117 High accuracy frequency standard and clock system
12/1989
12/20/1989EP0347318A1 Electronic clock device and installation comprising a plurality of electronic clock devices
11/1989
11/23/1989DE3816159A1 Method for the production of time references in a communications network
10/1989
10/04/1989EP0335797A1 Method and apparatus to synchronise by reception of a local clock belonging to a communication network, in particular of a transport vehicle
08/1989
08/22/1989US4860001 Remote monitoring and controlling system
08/09/1989EP0327083A2 Device to operate absolute time clocks in a process control system comprising a central clock and participants
08/08/1989US4855969 Dynamic timing reference alignment system
05/1989
05/10/1989EP0315028A1 Method for synchronising transmitters, control means and transmitters using said method and the application of said method
04/1989
04/18/1989US4823328 Radio signal controlled digital clock
03/1989
03/01/1989EP0305200A2 Radio signal controlled digital clock
09/1988
09/21/1988EP0283106A1 Remote monitoring and controlling system
08/1988
08/24/1988EP0148179B1 Synchronization of real-time clocks in a packet switching system
08/09/1988US4763193 Automatic determination of time base in electronic time-keeping apparatus
07/1988
07/27/1988EP0275645A2 Clock control system and method for a parallel variable speed constant frequency power system
01/1988
01/07/1988EP0059744B1 Improvements in or relating to synchronising of clocks
11/1987
11/17/1987US4707142 Master clock system for a parallel variable speed constant frequency power system
10/1987
10/07/1987EP0239820A1 Mechanical-to-electrical energy converter
08/1987
08/25/1987US4689575 Clock synchronization circuit for a computer timer
04/1987
04/14/1987CA1220530A1 Real time clock synchronization
01/1987
01/21/1987EP0209313A2 Clock synchronization circuit for a timer
01/06/1987US4635266 Active dispersion control for a Doppler broadened laser
12/1986
12/30/1986US4633421 Method for transposing time measurements from one time frame to another
10/1986
10/21/1986US4618891 Reference time detecting circuit
09/1986
09/30/1986CA1211944A1 Master/slave clock system
09/23/1986CA1211850A1 Synchronization of real-time clocks in a packet switching system
08/1986
08/19/1986US4607257 Remote calibrating system for satellite time
07/1986
07/16/1986EP0187310A2 Real time clock synchronization
04/1986
04/22/1986US4583865 Real time clock synchronization
04/15/1986US4582434 Time corrected, continuously updated clock
02/1986
02/11/1986US4569598 Radio synchronized clock
01/1986
01/21/1986US4565454 Time display system
09/1985
09/24/1985US4543657 Synchronizing of clocks
09/17/1985CA1193676A1 High-stability clock signal regenerator
07/1985
07/16/1985US4530091 Synchronization of real-time clocks in a packet switching system
06/1985
06/26/1985EP0141810A4 A time display system.
05/1985
05/22/1985EP0141810A1 A time display system
02/1985
02/26/1985US4501502 Apparatus and method for timekeeping and time correction for analog timepiece
01/1985
01/31/1985WO1985000441A1 Synchronization of real-time clocks in a packet switching system
01/15/1985US4494211 Balanced system for ranging and synchronization between satellite pairs
12/1984
12/25/1984US4490050 Master/slave clock system
10/1984
10/30/1984US4480198 Device for increasing the operational security of a duplicated clock
05/1984
05/22/1984CA1167649A1 Method of automatic adjustment of self-contained radio-clock by means of time mark
04/1984
04/26/1984WO1984001630A1 A time display system
04/03/1984US4440501 Method of automatic adjustment of self-contained radio-clock by means of time mark
01/1984
01/31/1984CA1161542A1 Method and device for processing wide-band signals having a large dynamic range
01/24/1984US4427302 Timekeeping signal source for an electronic timepiece
12/1983
12/13/1983US4420263 Electronic watch with means for detecting the movement of a hand through a reference position
10/1983
10/26/1983EP0091966A1 Reference time-detecting circuit
07/1983
07/27/1983EP0084165A1 Remote calibrating system for satellite time
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