G04F 8 - Apparatus for measuring unknown time intervals by electromechanical means

Patents for G04F 8 - Apparatus for measuring unknown time intervals by electromechanical means (701)
07/1991
07/03/1991	EP0435055A1 Time-measuring device for vehicles
06/1991
06/27/1991	CA2032913A1 Arrangement for timing moving objects
06/25/1991	US5027022 Reverse rotation preventing mechanism for synchronous motors
05/1991
05/07/1991	US5014251 Device producing stopping of a movable element in a determined position and a timepiece having a counting indicator of a finite duration
04/1991
04/30/1991	US5012458 Racing gate for kites
03/1991
03/26/1991	US5003518 Running time meter for engine
03/12/1991	US4998727 Athletic training timer
03/07/1991	DE3929048A1 Automatic time-keeper for sports events e.g. marathons - uses remote-control measurement units carried by competitors and communicating by HF ultra-central evaluation computer
02/1991
02/05/1991	US4991156 Electronic stop watch
02/04/1991	CA2008270A1 Hour meter
01/1991
01/16/1991	EP0408512A1 Chronograph wrist-watch
11/1990
11/01/1990	WO1990013069A1 Method and device for time measuring
09/1990
09/26/1990	EP0389440A1 Quartz chronograph with memory
09/12/1990	EP0386593A1 Means for halting a moving part at a determined position and time piece with an indicator of the count of a fixed time period
07/1990
07/12/1990	WO1990007734A1 A sport glove, in particular a ski glove, bearing a digital chronometer associated therewith
04/1990
04/25/1990	EP0364602A1 Pointer type display
04/17/1990	US4918630 Computer timing system having backup trigger switches for timing competitive events
04/12/1990	DE3842894A1 Electronic start indicator
03/1990
03/07/1990	CN1040274A Multifunctional electronic watch
02/1990
02/27/1990	CA1266185A1 Operational timer circuit for monitoring a motor under load
02/21/1990	CN1039906A Electronic watch with alarm
01/1990
01/10/1990	CN1038708A Ic for analong electronic watch and analog electronic watch
12/1989
12/20/1989	EP0347251A2 A multi-functional analog electronic watch
12/20/1989	EP0347249A2 An IC chip for an analog electronic watch
10/1989
10/19/1989	WO1989009950A1 Pointer type display
10/03/1989	CA1262051A1 Electronic chronograph, more particularly electronic chronograph-watch
08/1989
08/23/1989	EP0328845A1 Chronographic timepiece
06/1989
06/15/1989	WO1989005499A1 Hour meter for internal combustion engines
06/07/1989	EP0319422A1 Hour meter for internal-combustion engines
05/1989
05/16/1989	US4831605 Electronic time measuring apparatus including past record display means
01/1989
01/25/1989	CN2031545U Timer of electronic watch
10/1988
10/25/1988	US4780085 Lap timing device
10/05/1988	EP0285560A1 Chronograph watch
07/1988
07/20/1988	CN87207592U Automatic controllable electronic stop watch
05/1988
05/31/1988	US4748603 Chronograph watch
05/31/1988	US4748601 Game monitoring device
03/1988
03/30/1988	CN87208865U Rotary type hour counter for carrier pigeon in flying race
02/1988
02/16/1988	US4726001 Quickness measuring device
02/16/1988	US4725996 Operational timer circuit for monitoring a motor under load
12/1987
12/23/1987	CN86210287U Timer for flying contest of carrier pigeon
12/02/1987	EP0247520A1 Chronograph clock
09/1987
09/01/1987	US4690568 Battery lifetime indicator for a stopwatch
07/1987
07/21/1987	US4681464 Timepiece movement including a plurality of stepping motors and an electronic time base
07/21/1987	US4681463 Differential timer
05/1987
05/19/1987	US4666311 Electronic timepiece with analogue display
04/1987
04/14/1987	US4657405 Stop watch capable of indicating a plurality of split times
04/14/1987	US4657403 Aquatic event timing device
04/08/1987	EP0217164A1 Electronic timepiece with an analogous display having a seconds indicating organ
04/07/1987	US4655606 Timepiece comprising at least one chronograph function
03/1987
03/25/1987	EP0215345A1 Stop watch capable of indicating a plurality of split times
03/24/1987	US4652141 Time apparatus
03/18/1987	EP0097168B1 Clock and watch module comprising an electronic circuit and a calender device
02/1987
02/17/1987	US4643585 Light-flash starting system
11/1986
11/18/1986	US4623261 Electronic timepiece with a chronograph system
11/18/1986	US4623260 Electronic timepiece with a chronograph system
10/1986
10/07/1986	US4615624 Trail monitor
08/1986
08/05/1986	US4604621 Device for the electromagnetic transmission of an event taking place in an interference-laden environment
05/1986
05/28/1986	EP0182249A2 Time indicating apparatus
05/13/1986	US4588305 Electronic chronograph watch having analog and digital display of measured time periods
02/1986
02/18/1986	US4571698 Apparatus and system for remote timing of plural entities
11/1985
11/21/1985	EP0161438A1 Time piece comprising at least a chronograph function
09/1985
09/10/1985	US4540291 Timepiece mechanism
08/1985
08/27/1985	US4537514 Multi-function analog display stopwatch
07/1985
07/17/1985	EP0148414A2 Clockwork-movement including a plurality of motors and an electronic time base
06/1985
06/18/1985	US4523857 Multi-function analog electronic timepiece
05/1985
05/21/1985	US4518266 Swimmer's lap pacer
01/1985
01/22/1985	US4494879 Operating arrangement for an electro-mechanical chronometer
01/17/1985	WO1985000230A1 Electronic chronograph, particularly analog electronic chronograph-watch, chronometered time counter
01/02/1985	EP0130150A1 Electronic chronograph, especially in a watch
11/1984
11/21/1984	EP0125624A1 Device for the electromagnetic transmission of an event in a disturbed environment
06/1984
06/26/1984	US4456383 Drag race reaction timer
01/1984
01/04/1984	EP0097168A1 Clock and watch module comprising an electronic circuit and a calender device.
07/1983
07/07/1983	WO1983002340A1 Clock and watch module comprising an electronic circuit and a calender device
07/06/1983	EP0083307A1 Electronic chronograph watch
06/1983
06/21/1983	US4389122 Clock with electric oscillator-controlled motor
01/1983
01/19/1983	EP0070052A1 Electronic timepiece
12/1982
12/21/1982	US4364669 Chronographic watch
12/21/1982	US4364668 Timepiece with seconds display on demand
12/07/1982	US4362393 Chess clock
03/1982
03/24/1982	EP0048217A1 Electronic timepiece
01/1982
01/19/1982	USRE30852 Electronic timepiece
05/1981
05/26/1981	US4270197 Analog display electronic stopwatch
04/1981
04/22/1981	EP0027250A1 Clockwork with display of seconds on demand
03/1981
03/31/1981	US4259737 Electronic watch
09/1980
09/23/1980	US4223523 Electronic analog alarm timepiece
07/1980
07/15/1980	US4212158 Electronic timepiece
07/08/1980	US4211066 Stop watch
06/1980
06/17/1980	US4207733 Elapsed time indicator
03/1980
03/04/1980	CA1073020A1 Switch mechanism for an electronic timepiece
05/1979
05/29/1979	US4156870 Sports timing system
08/1978
08/29/1978	CA1037289A1 Method and apparatus for determining coagulation times
05/1978
05/09/1978	US4088854 Electronic timepiece switch mechanism having substrate mounted pivoted contact and lever or cam actuator
04/1978
04/25/1978	US4086453 Game tracking device
02/1978
02/28/1978	US4075829 Self-contained miniature timer
12/1977
12/13/1977	US4062180 Electronic chess clock
11/1977
11/29/1977	US4059954 Laboratory clock
07/1977
07/12/1977	US4034601 Method and apparatus for determining coagulation times
02/1977
02/01/1977	US4006364 Touch pad arrangement for signalling arrivals in swimming competitions
01/1977
01/18/1977	US4004291 Electric signal transmitter, preferably for alarm system
10/1976
10/26/1976	US3988673 Device for measuring the stopping time of working machines

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