| Patents for G04F 13 - Apparatus for measuring unknown time intervals by means not provided for in groups (397) |
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| 03/03/1993 | EP0529612A2 A camera apparatus having self timer function |
| 03/01/1993 | CA2076742A1 Camera apparatus and an aspect conversion circuit used in the apparatus |
| 12/15/1992 | US5172347 Time displaying apparatus |
| 12/10/1992 | DE4218500A1 Fernsteuerung Remote control |
| 10/01/1992 | WO1992016915A1 Elapsed time indicator |
| 09/23/1992 | WO1992016916A1 Elapsed time indicator |
| 09/23/1992 | CN2116925U Photoelectric section hour-counter |
| 09/23/1992 | CA2106560A1 Elapsed time indicator |
| 08/25/1992 | US5142193 Photonic cathode ray tube |
| 08/04/1992 | US5136283 Apparatus for timing races |
| 07/08/1992 | EP0493436A1 An automatic parking coupon. |
| 04/14/1992 | US5105395 Method of and apparatus for ascertaining the times of participants in races and other contests |
| 04/07/1992 | US5103433 Method of ascertaining the times of participants in races and other contests |
| 12/27/1991 | EP0462134A1 Indicator, process for obtaining it and its use |
| 11/26/1991 | US5068525 Apparatus for measuring the duration of single optical radiation pulses |
| 11/19/1991 | US5066121 Method and apparatus for measuring the flash duration of a flash unit |
| 10/15/1991 | US5058088 Time indicator |
| 10/01/1991 | US5053696 Electro-electron oscilloscope |
| 08/20/1991 | US5040891 Laser-warning method and apparatus |
| 06/19/1991 | EP0432352A2 Method and device for determining the time between start and finish of athletes or suchlike |
| 05/01/1991 | CN1051096A An automatic parking coupon |
| 04/17/1991 | CN1050779A Insertion-type dead time tester read-out directly at site |
| 03/26/1991 | US5003168 Trigger circuit for a streak camera sweep drive circuit |
| 03/21/1991 | WO1991004520A1 An automatic parking coupon |
| 03/21/1991 | CA2066603A1 Automatic parking coupon |
| 03/12/1991 | US4999793 Microcomputer real-time flash x-ray controller for data acquisition |
| 02/06/1991 | EP0411125A1 Time display device |
| 01/30/1991 | EP0410932A2 Graphical display of a countdown timer |
| 12/26/1990 | CN1048116A Apparatus for timing races |
| 12/25/1990 | US4979400 Force and elapsed time recording assembly |
| 12/19/1990 | EP0402749A1 Time-keeping apparatus for racing |
| 10/31/1990 | EP0395613A1 Laser-warning method and laser warning arrangement |
| 10/30/1990 | CA1275698C Device and method for signal transmission and optical communications |
| 09/20/1990 | DE3907683A1 Indikator, verfahren zu seiner herstellung sowie seine verwendung Indicator, process for its preparation and its use |
| 09/10/1990 | WO1990010868A1 Indicator, process for obtaining it and its use |
| 09/10/1990 | CA2050280A1 Indicator, process for obtaining it and its use |
| 08/29/1990 | EP0384334A2 Electronic time-measuring device |
| 06/28/1990 | WO1990006788A1 Time display device |
| 04/10/1990 | US4916677 Automatic period and frequency measurements |
| 08/15/1989 | CA1258522A1 Apparatus for timing sporting events |
| 08/08/1989 | US4855968 Time interval measurement system for analog oscilloscope |
| 05/02/1989 | US4827317 Time interval measuring device |
| 02/14/1989 | US4804275 Indicator device for indicating the time integral of a monitored parameter |
| 01/10/1989 | US4797747 Streak camera device having a plurality of streak tubes |
| 11/23/1988 | EP0291627A2 Method and device for determining the time between the start and finish of competitors and the like |
| 10/05/1988 | CN85101620B Tunable self-interelated measurement device for wavelength |
| 07/12/1988 | CA1239037A1 Apparatus for sensing and displaying the temporal properties of a plurality of light signals ocurring at different locations simultaneously |
| 05/10/1988 | US4743971 Apparatus for timing sporting events |
| 05/03/1988 | US4742577 Device and method for signal transmission and optical communications |
| 01/07/1988 | EP0250917A1 Method for signal transmission and optical communications |
| 01/07/1988 | EP0250682A2 Pulse measurement circuit |
| 12/08/1987 | US4712001 Transient analysis system using a photonic sampler device |
| 11/03/1987 | US4704036 Pulse measurement circuit |
| 07/21/1987 | US4682020 Picosecond gated light detector |
| 07/21/1987 | US4681436 Femtosecond laser pulse measuring system |
| 05/27/1987 | EP0223343A2 Time integral indicator device of a monitored parameter |
| 05/27/1987 | EP0223119A1 Track running timing device |
| 04/28/1987 | US4661694 Infrared streak camera |
| 04/14/1987 | US4658218 Circuit for synchronizing a mode-locked oscillator-amplifier dye laser with a streak camera detection system |
| 10/15/1986 | EP0197196A1 Electro-electron optical oscilloscope system for time-resolving picosecond electrical waveforms |
| 10/07/1986 | US4615617 Pulse delay measurement apparatus |
| 08/20/1986 | CN85101620A Tunable self-interelated measurement device for wavelength |
| 07/09/1986 | EP0187087A1 Light-sampling device and transients analysis system making use of it |
| 12/18/1985 | EP0164886A1 Apparatus for sensing and displaying light signals |
| 06/11/1985 | US4523204 Method and apparatus for timing races |
| 10/30/1984 | US4480192 Optical pulse correlation measurement |
| 09/18/1984 | US4472053 Method and apparatus for measuring the duration of optical radiation pulses |
| 05/23/1984 | EP0108806A1 Electron-optical wide band signal measurement system |
| 03/06/1984 | US4435727 Apparatus and method for use in calibrating the time axis and intensity linearity of a streak camera |
| 02/28/1984 | US4434399 Electron-optical wide band signal measurement system |
| 11/24/1983 | WO1983004107A1 Electron-optical wide band signal measurement system |
| 11/08/1983 | US4413905 Laser range meter |
| 11/01/1983 | US4413178 Sweep drive circuit for a streak camera |
| 09/27/1983 | US4406542 Rapid scanning autocorrelation detector |
| 12/21/1982 | US4364670 Electrophoretic elapsed time indicator |
| 09/21/1982 | US4350675 Controlled release glass |
| 07/14/1982 | EP0055843A1 Process for timing races and device for carrying out the process |
| 04/27/1982 | US4327285 Electron-optical image tubes and streak cameras |
| 11/03/1981 | US4298115 Time-lapse indicator |
| 08/11/1981 | US4283122 Light-beam streaking employing crystal with traveling lens and multiple cross-crystal reflections |
| 03/11/1981 | EP0024891A1 Process for liberating metal ions from a water soluble glass at a controlled rate |
| 10/21/1980 | US4229813 Elapsed time indicator |
| 07/15/1980 | US4212153 Laminate containing a migratable agent |
| 07/15/1980 | CA1081843A1 Time registration arrangement provided with a television camera |
| 03/25/1980 | US4195058 For monitoring shelf life; color response |
| 03/25/1980 | US4195057 For monitoring shelf life; color response, polydiacetylene as indicator |
| 02/20/1980 | EP0008089A1 Laser pulse range finder having an optical correlator |
| 10/17/1979 | EP0004729A2 Apparatus and method for recording high-speed repetitive optical phenomena |
| 04/17/1979 | CA1052632A1 Indicating device |
| 07/25/1978 | US4103296 Coulometric electrolytic timing device with coaxially aligned electrodes |
| 07/11/1978 | US4100490 Elapsed time indicator and electrolytic timer cell |
| 04/18/1978 | US4084511 Lead cathode, silver anodes |
| 12/20/1977 | US4064540 Time registration arrangement provided with a television camera |
| 12/06/1977 | US4061016 Method and apparatus for measuring the foam life on an effervescent beverage |
| 12/21/1976 | US3999128 Time interval measurement method and apparatus |
| 08/17/1976 | US3975684 Sweep generator apparatus and method |
| 05/04/1976 | US3954011 Selected time interval indicating device |