| Patents for G04F 5 - Apparatus for producing preselected time intervals for use as timing standards (1,270) |
|---|
| 12/16/1987 | CN86208961U Simple and compact quartz timer core |
| 12/09/1987 | CN86209961U Key parts of univeral quartz time counter |
| 12/08/1987 | US4711585 Cueing aid for prenatal breathing control |
| 11/11/1987 | EP0244537A2 Equivalent time pseudorandom sampling system |
| 10/14/1987 | EP0241266A2 Electronic watch |
| 10/14/1987 | EP0241253A2 Electronic timepiece |
| 08/04/1987 | US4684900 Optical pumping cesium resonator and laser diode detection |
| 07/08/1987 | EP0227712A1 Acoustic signalling device. |
| 07/07/1987 | US4678345 Equivalent time pseudorandom sampling system |
| 06/30/1987 | US4676661 Radioactive timing source for horologic instruments and the like |
| 06/25/1987 | DE3545677A1 Metronome |
| 06/16/1987 | US4673893 Audible timing device for athletic activities |
| 05/21/1987 | WO1987003126A1 Process for producing a periodic timing signal and pulse generator for performing the process |
| 05/21/1987 | DE3540176A1 Taktgeber Clock |
| 05/06/1987 | CN86204021U 电子自动节拍器 Automatic electronic metronome |
| 03/26/1987 | DE3632637A1 Time-interval computing device |
| 03/24/1987 | US4652787 Piezoelectric oscillator |
| 03/17/1987 | US4649794 Visual metronome |
| 01/31/1987 | CN86100234A Automatic accompaniment circuit system used in electronic organ |
| 12/31/1986 | WO1986007644A1 Acoustic signalling device |
| 12/30/1986 | US4632570 Timer for use in interval training |
| 12/16/1986 | US4629331 Windable clockwork for a metronome |
| 10/21/1986 | US4618837 Low-power consumption reference pulse generator |
| 10/21/1986 | US4618798 Resonator vibrating in a thickness-shear mode |
| 10/07/1986 | US4615625 Analog electronic timepiece |
| 09/23/1986 | US4612841 Electronic metronome |
| 09/16/1986 | US4611871 Shock mount |
| 07/29/1986 | US4602551 Gated electronic metronome |
| 07/09/1986 | EP0186713A1 Resuscitation assistive timer |
| 06/24/1986 | US4596962 Evacuated, wall-coated, sealed, alkali atom cell for an atomic frequency standard |
| 04/22/1986 | US4584698 Sharable prescaled timer and method for a data processor |
| 04/22/1986 | US4583443 Electronic metronome and rhythm generator |
| 04/10/1986 | CN85108064A Wind up clock for metronome |
| 01/08/1986 | EP0167055A1 Assembly comprising an encapsulated piezoelectic resonator and an associated integrated circuit |
| 11/12/1985 | CA1196507A1 Metronomic signalling devices and method of tempo signalling |
| 10/29/1985 | CA1195849A1 Pulse monitor device |
| 10/23/1985 | EP0158926A1 Thickness-shearing mode vibrator |
| 10/22/1985 | CA1195774A1 Metronome cartridge |
| 10/02/1985 | EP0156146A1 Piezoelectric oscillator |
| 08/27/1985 | US4537515 Resonator temperature compensated time base and watch using said time base |
| 07/09/1985 | CA1190313A1 Imbedable piezoelectric resonator |
| 06/26/1985 | EP0145816A1 Metronomic signalling device and method of tempo signalling |
| 06/05/1985 | EP0143680A1 Piezoelectric resonator for severe working conditions |
| 04/09/1985 | US4510485 Sound generating device for jogger |
| 03/05/1985 | US4502790 Electronic timepiece |
| 02/05/1985 | US4497998 Temperature stabilized stop-restart oscillator |
| 01/15/1985 | US4494085 For use with an atomic frequency standard |
| 01/08/1985 | US4493043 Medical timing system for use during pregnancy and method of using same |
| 01/01/1985 | US4491423 Resuscitation assistive timer |
| 11/27/1984 | USRE31749 Class B FET amplifier circuit |
| 11/13/1984 | US4482259 Laser clock |
| 10/09/1984 | US4476445 Methods and apparatus for rapid and accurate frequency syntonization of an atomic clock |
| 09/25/1984 | US4473303 Electronic timepiece |
| 09/04/1984 | US4470024 Integrated circuit for a controllable frequency oscillator |
| 08/14/1984 | US4465379 Temperature detector circuit for timepiece |
| 08/07/1984 | US4464599 Piezoelectric resonator with integrated capacitances |
| 07/31/1984 | US4462297 Electronic metronome |
| 06/12/1984 | US4453834 Electronic timepiece with temperature compensation |
| 06/12/1984 | CA1168877A1 Twenty four hour watch |
| 05/29/1984 | US4451754 High frequency piezoelectric resonator |
| 05/22/1984 | US4450378 ZT-Cut piezo-electric resonator |
| 05/22/1984 | US4450377 Integrated circuit with piezoelectric resonator mounted on blocks comprising capacitors |
| 05/15/1984 | US4448543 Time-of-day clock having a temperature compensated low power frequency source |
| 05/08/1984 | US4447753 Miniature GT-cut quartz resonator |
| 04/17/1984 | US4443116 Electronic timepiece |
| 04/17/1984 | US4442752 Electronic metronome |
| 04/03/1984 | US4441196 Speed independent system for obtaining preselected numbers of samples from object moving along fixed path |
| 03/20/1984 | US4437381 Metronomic signalling devices and method of tempo signalling |
| 01/31/1984 | CA1161515A1 Speed independent system for obtaining preselected numbers of samples from object moving along fixed path |
| 01/25/1984 | EP0099191A2 Temperature stable interval timer |
| 01/24/1984 | US4427952 Oscillator circuit with digital temperature compensation |
| 01/10/1984 | US4425653 Atomic beam device using optical pumping |
| 12/21/1983 | EP0096653A2 Extensional mode piezoelectric microresonator |
| 11/29/1983 | US4418299 Face-shear mode quartz crystal vibrators and method of manufacture |
| 11/23/1983 | EP0094834A1 Methods and apparatus for rapid and accurate frequency syntonization of an atomic clock |
| 11/15/1983 | US4415870 Oscillator circuit with digital temperature compensation |
| 11/02/1983 | EP0093020A1 Miniaturized optical-physics package for an atomic frequency standard |
| 10/04/1983 | USRE31402 Electronic timepiece |
| 10/04/1983 | US4407588 Electronic oscillation counting timer |
| 09/20/1983 | US4405906 Low power consumption C-MOS oscillator |
| 08/24/1983 | EP0086739A1 Piezoelectric resonator with mounting possibilities |
| 08/16/1983 | US4398833 Electronic timepiece |
| 08/02/1983 | US4396904 Electronic pace timing device |
| 07/21/1983 | WO1983002508A1 Optical and/or acoustic signal metronome |
| 07/19/1983 | CA1150081A1 Device for the acoustic indication of the beats of a musical time |
| 07/06/1983 | EP0083303A1 Temperature-compensated quarz timebase, and watch comprising the timebase |
| 06/09/1983 | WO1983002015A1 Medical timing system for use during pregnancy and method of using same |
| 06/07/1983 | US4387350 Watch circuit with oscillator gain control |
| 04/19/1983 | US4380185 Talking metronome |
| 03/15/1983 | US4376919 Circuitry for switching effective electrode area on a crystal in a crystal oscillator to vary the oscillation frequency |
| 01/25/1983 | US4370067 Electronic timepiece with gain/loss adjustment |
| 12/07/1982 | US4362961 Encapsulated piezoelectric resonator device |
| 11/09/1982 | US4358839 Absolute digital clock system |
| 10/26/1982 | US4356425 Electrode for tuning fork type quartz crystal vibrator |
| 10/19/1982 | US4355257 Thickness shear type piezoelectric vibrator with integral mounting |
| 10/19/1982 | US4354412 Adaptive metronome for an automatic rhythm generator |
| 09/29/1982 | EP0061421A1 Integrated circuit for a frequency-controlled oscillator |
| 09/29/1982 | EP0060928A1 Clock signal generating device with temperature compensation |
| 09/28/1982 | US4351215 Device for the acoustic indication of the beats of a musical time |
| 09/21/1982 | US4350961 Electronic timepiece |