| Patents for G04F 5 - Apparatus for producing preselected time intervals for use as timing standards (1,270) |
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| 08/01/1978 | US4104553 Fastening and suspension element for a piezoelectric resonator |
| 08/01/1978 | US4103482 Wristwatch having a liquid crystal display |
| 07/18/1978 | US4101848 Oscillator |
| 07/11/1978 | US4100502 Class B FET amplifier circuit |
| 06/13/1978 | US4095195 Low power dissipation crystal oscillator |
| 05/23/1978 | US4091338 Crystal oscillator implemented with CMOS technology |
| 05/23/1978 | US4090355 Electronic metronome |
| 04/04/1978 | US4082029 Optical metronomes |
| 03/28/1978 | US4080696 Method of making piezoelectric vibrator |
| 02/28/1978 | US4076987 Multiple resonator or filter vibrating in a coupled mode |
| 01/31/1978 | US4071797 Quartz piezo-electric element vibrating in a coupled mode |
| 01/31/1978 | US4070944 Optical metronome |
| 01/24/1978 | US4070502 Method of treating piezoelectric resonators |
| 01/10/1978 | US4068285 Variable capacitor |
| 12/27/1977 | US4065684 Piezoelectric resonator for timepieces and method for making same |
| 12/20/1977 | US4064468 Low voltage compensator for power supply in a complementary MOS transistor crystal oscillator circuit |
| 10/04/1977 | USRE29429 Oscillator for a timepiece |
| 09/27/1977 | US4050126 Method for adjusting frequency-temperature characteristic of GT cut quartz oscillator |
| 09/20/1977 | USRE29403 Quartz crystal wrist watch |
| 09/13/1977 | US4048478 Marking apparatus with electronic counters |
| 09/06/1977 | US4046048 Digital touch responsive tempo generating device |
| 08/30/1977 | US4045692 Solid state binary logic signal source for electronic timepiece or the like |
| 08/02/1977 | US4039973 Initiation circuit in a crystal-controlled oscillator |
| 07/12/1977 | US4035674 Quartz crystal vibrator |
| 07/12/1977 | US4035673 Hermetically sealed mount for a piezoelectric tuning fork |
| 07/05/1977 | US4033017 Manufacturing method of a hermetically sealed terminal |
| 06/28/1977 | US4032864 Electronic circuit having a misfet as an amplifying element |
| 06/14/1977 | US4030003 Miniature trimmer with flexible plastic base |
| 05/31/1977 | US4027181 Housing and support for piezo-electric resonator |
| 05/24/1977 | US4025806 Suspension and package for piezo-electric resonators |
| 04/19/1977 | US4018131 Electronic metronome |
| 04/05/1977 | US4016508 Electronic timepiece having plural capacitors for selectively adjusting quartz crystal oscillator output frequency |
| 04/05/1977 | US4015419 Electronic timepiece |
| 03/29/1977 | US4014167 Electronic metronome |
| 03/22/1977 | US4013979 Cmos oscillator with first and second mos transistors of opposed type integrated on the same substrate |
| 03/22/1977 | US4013901 Stacked logic design for I2 L watch |
| 03/22/1977 | US4012901 Damage-resistant mechanical metronome |
| 03/15/1977 | US4012700 Capacitive adjusting device for a quartz crystal oscillator |
| 03/01/1977 | US4009565 Time measuring device having a periodic signal generator |
| 02/08/1977 | US4006584 Electronic timepiece |
| 01/25/1977 | US4005321 Quartz crystal vibrator mounting |
| 12/28/1976 | US3999370 Temperature compensated electronic timepiece |
| 12/14/1976 | US3996833 Optical metronome |
| 11/30/1976 | US3994282 Heart-beat electronic simulator |
| 11/23/1976 | US3992869 Electronic timepiece |
| 10/26/1976 | US3988621 Supporting structure for a thickness-shear type quartz oscillator |
| 09/07/1976 | US3979698 Crystal oscillator circuit |
| 09/07/1976 | US3978650 Electric timepiece |
| 08/03/1976 | US3973251 Timing device for exercise program with signalling means |
| 08/03/1976 | US3973148 Quartz crystal vibrator unit |
| 07/13/1976 | US3969641 Quartz crystal vibrator |
| 07/13/1976 | US3969640 Microresonator packaging and tuning |
| 06/29/1976 | US3967115 Atomic beam tube |
| 06/29/1976 | US3965667 Device for the maintenance and control of the oscillations of the balance wheel of a timepiece |
| 06/15/1976 | US3962860 Quartz crystal timepiece |
| 05/25/1976 | US3959744 CMOS oscillator having bias circuit outside oscillator feedback loop |
| 05/18/1976 | US3958187 Clock signal generating device with complementary mos transistors |
| 05/11/1976 | US3956714 Energizing circuit with insulated-gate field-effect transistors for crystal oscillator |
| 04/06/1976 | US3948036 Electronic timepiece |
| 03/23/1976 | US3946257 Quartz crystal vibrator with partial electrodes for harmonic suppression |
| 03/23/1976 | US3945292 Optical metronome |
| 03/16/1976 | US3944862 X-cut quartz resonator using non overlaping electrodes |
| 03/16/1976 | US3943695 Quartz crystal controlled timekeeping apparatus |
| 03/09/1976 | US3942404 Optical metronome with transparent sheet music |
| 03/09/1976 | US3942318 Time correction device for digital indication electronic watch |
| 02/24/1976 | US3940638 Thin quartz oscillator with support of leads |
| 02/24/1976 | US3939644 Circuit arrangement for controlling the running of a quartz-controlled electric clock |
| 02/24/1976 | US3939643 Crystal-controlled electronic timepiece with CMOS switching and frequency-dividing circuits |
| 02/24/1976 | US3939642 Electronic timepiece semiconductor intergrated circuit |
| 02/17/1976 | US3938316 Temperature compensated electronic timepiece |