| Patents for G04F 10 - Apparatus for measuring unknown time intervals by electric means (2,136) |
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| 03/10/1986 | CN85100349A Self-adjustable universal eletionic counter |
| 02/11/1986 | US4569599 Method of determining the difference between the transit times of measuring pulse signals and reference pulse signals |
| 02/05/1986 | EP0170484A2 Elapsed time indicator |
| 01/14/1986 | US4564918 Method and apparatus for measuring the time difference between two sampling times |
| 01/07/1986 | US4563588 Apparatus for measuring the luminous lifetime of samples |
| 01/03/1986 | WO1986000183A1 Electric circuit with at least one piezoelectric component |
| 12/18/1985 | EP0165144A1 Electronic high-resolution chronometric system |
| 12/18/1985 | EP0165108A1 Ultra-rapid time-numerical converter |
| 12/18/1985 | EP0164662A1 Electric switch device comprising at least a piezoelectric organ |
| 12/05/1985 | WO1985005456A1 Optoelectric distance measuring apparatus with a time discriminator for the accurate detection of the electric pulse sequence |
| 11/19/1985 | US4553836 Method and apparatus for electrooptical distance measurement |
| 10/22/1985 | US4548513 Method and apparatus for measuring response time |
| 10/22/1985 | CA1195780A1 Microcomputer retriggerable interval counter |
| 10/08/1985 | US4546487 Auto ranging counter |
| 10/08/1985 | CA1194938A1 Method and apparatus for determining the time interval between two electric pulses |
| 10/01/1985 | US4544884 Period and frequency measuring instrument |
| 09/10/1985 | CA1193333A1 Counter circuit for counting high frequency pulses |
| 08/27/1985 | US4538235 Microcomputer retriggerable interval counter |
| 08/06/1985 | US4533256 Dive timer |
| 07/09/1985 | US4527907 Method and apparatus for measuring the settling time of an analog signal |
| 07/02/1985 | US4527126 AC parametric circuit having adjustable delay lock loop |
| 06/11/1985 | US4523289 Time interval measuring system |
| 06/11/1985 | US4523288 Interval-expanding timer |
| 05/29/1985 | EP0142644A1 Circuit arrangement for measuring short time intervals |
| 05/21/1985 | US4518267 Mobile event-module |
| 05/15/1985 | EP0141122A1 Circuit arrangement for measuring short time intervals |
| 05/14/1985 | US4516861 High resolution and high accuracy time interval generator |
| 04/30/1985 | US4514835 Device for measuring time intervals between a plurality of successive events |
| 04/16/1985 | US4511999 Gun shot control unit for seismic exploration |
| 03/19/1985 | US4505595 Dual timing event stopwatch |
| 03/12/1985 | US4504155 for converting a time interval to a measurement voltage |
| 03/05/1985 | US4502489 Apparatus for measuring auditory reaction time |
| 02/26/1985 | US4502122 Method and apparatus for measuring vehicle driver's fatigue to give an alarm |
| 02/12/1985 | US4499589 Counter circuit for counting high frequency pulses using the combination of a synchronous and an asynchronous counter |
| 01/08/1985 | US4493043 Medical timing system for use during pregnancy and method of using same |
| 01/08/1985 | CA1180772A1 Detector for time difference between transitions in two wave forms |
| 01/08/1985 | CA1180758A1 Engine operation related event timing system |
| 12/04/1984 | US4486847 Watch provided with a microcomputer |
| 10/31/1984 | EP0122984A1 Time measuring circuit |
| 10/23/1984 | US4478521 Digital time meter |
| 10/16/1984 | US4477920 Variable resolution counter |
| 09/18/1984 | US4472067 Chess clock |
| 09/18/1984 | CA1174734A1 Period measurement system |
| 09/18/1984 | CA1174733A1 Period measurement system |
| 08/28/1984 | US4468746 Apparatus for determining interval between two events |
| 08/28/1984 | CA1173517A1 Wave form transition sequence detector |
| 07/31/1984 | US4463425 Period measurement system |
| 07/25/1984 | EP0113935A2 Timer circuit |
| 07/24/1984 | CA1171290A1 Apparatus for precisely dating an event according to a time reference |
| 07/18/1984 | EP0113487A1 Method to be used in an echo cancelling arrangement for measuring an echo delay, and arrangement for carrying out this method |
| 06/26/1984 | US4456959 Period measurement system |
| 05/29/1984 | US4451896 For sporting events |
| 05/22/1984 | US4449830 Method and apparatus for measuring elapsed time between an initiating event and a dependent event |
| 05/22/1984 | CA1167956A1 Device for the determination of the reception moment of an acoustic wave |
| 04/24/1984 | US4445181 Meeting cost calculator and/or timer |
| 04/18/1984 | EP0105417A2 Method and apparatus for determining when a piston is at a particular location |
| 04/17/1984 | US4442752 Electronic metronome |
| 04/04/1984 | EP0104957A2 Apparatus for measuring auditory reaction time |
| 04/04/1984 | EP0104573A1 Timekeeping apparatus for racing sports with identification of intermediate check points |
| 04/03/1984 | US4441196 Speed independent system for obtaining preselected numbers of samples from object moving along fixed path |
| 04/03/1984 | US4440503 Electronic timer |
| 03/27/1984 | US4439046 Resolution circuit for a digital elapsed time measuring circuit |
| 02/28/1984 | US4433919 Differential time interpolator |
| 02/01/1984 | EP0099500A1 Device for measuring pulse periods |
| 01/31/1984 | CA1161515A1 Speed independent system for obtaining preselected numbers of samples from object moving along fixed path |
| 12/20/1983 | US4421416 Speech synthesizer timepiece with a single command switch |
| 11/02/1983 | EP0092676A2 Time measuring method and device for carrying it out |
| 10/19/1983 | EP0091682A1 Method for the time measurement of a sporting event using a time window |
| 10/19/1983 | EP0091563A1 Method and device for determining the time distance of two electric pulses |
| 10/18/1983 | US4410817 Precision time duration detector |
| 10/11/1983 | US4408895 Apparatus for accurately timing an event relative to clock signals |
| 10/04/1983 | US4408297 Reduction in maximum time uncertainty of paired time signals |
| 10/04/1983 | US4407587 Electronic timer |
| 10/04/1983 | US4407155 Engine operation related event timing system |
| 09/13/1983 | US4404641 Maintenance monitor |
| 08/23/1983 | US4400090 Chugometer |
| 08/16/1983 | CA1151865A1 Equipment for measuring the reaction time |
| 08/09/1983 | US4397565 Electronic timepiece including an animated display |
| 08/03/1983 | EP0084592A1 Process and device for measuring the time difference between the sampling-times of two sampled signals, in particular of the input and output signals of a sampling frequency converter |
| 08/02/1983 | US4397031 Time delay computer |
| 07/19/1983 | US4394090 Process timing apparatus |
| 07/12/1983 | US4392749 Instrument for determining coincidence and elapse time between independent sources of random sequential events |
| 06/09/1983 | WO1983002015A1 Medical timing system for use during pregnancy and method of using same |
| 05/31/1983 | US4386423 Electronic timepiece having multi-functions |
| 04/26/1983 | US4381555 Apparatus for measuring the braking time of a motor vehicle |
| 04/06/1983 | EP0076232A2 Method and device for electro-optically measuring distances |
| 02/15/1983 | CA1141179A1 Electronic performance timer for several competing athletes |
| 01/25/1983 | US4370574 Detector for time difference between transitions in two wave forms |
| 01/25/1983 | US4370573 Wave form transition sequence detector |
| 01/19/1983 | EP0070052A1 Electronic timepiece |
| 01/18/1983 | US4369354 Arrangement for monitoring the operation of a heating element |
| 01/18/1983 | CA1139844A1 Circuit for measuring average period of periodic signal |
| 01/04/1983 | US4367051 Relative time interval measuring instrument |
| 12/21/1982 | US4365320 Device for determining the instant of reception of an acoustic wave |
| 12/21/1982 | US4364669 Chronographic watch |
| 12/07/1982 | US4362394 Time interval measurement arrangement |
| 11/16/1982 | CA1135515A1 Time interval meter |
| 09/21/1982 | US4350953 Time interval measurement apparatus |
| 07/27/1982 | US4341964 Precision time duration detector |
| 06/15/1982 | US4334431 Ultrasonic measuring instrument |