| Patents for G04C 3 - Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means (4,122) |
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| 12/04/1979 | CA1067298A1 Handless clock with continuous display of time of day |
| 11/27/1979 | US4175374 Timepiece |
| 11/27/1979 | US4175372 Electronic timepiece |
| 11/27/1979 | CA1067195A2 Modular circuit packaging arrangement and method |
| 11/27/1979 | CA1067194A2 Circuit device package assembly |
| 11/20/1979 | CA1066513A1 Ac driven clock timing device with auxiliary dc backup |
| 11/13/1979 | US4173863 Analog quartz timepiece |
| 11/13/1979 | US4173862 Booster circuit for electronic timepiece |
| 11/06/1979 | CA1065761A1 Membrane keyboard apparatus capable of providing sequential output signals |
| 11/06/1979 | CA1065617A1 Pusher and switch device for electronic watch |
| 10/16/1979 | US4171540 Apparatus for the control of input data into a data processor and a display device |
| 10/09/1979 | US4170104 Switch mechanism for wristwatch |
| 08/21/1979 | US4164842 Buffer amplifier circuit |
| 08/07/1979 | CA1059765A1 Process for purifying gases produced by gasification of solid or liquid fossile fuels, by treatment with water vapor and oxygen under superatmospheric pressure |
| 07/24/1979 | US4162417 Electromechanical escapement |
| 07/10/1979 | US4160943 Switched current regulator |
| 07/10/1979 | US4160928 Case assembly for piezoelectric resonator |
| 06/19/1979 | US4158287 Driver circuit for electro-mechanical transducer |
| 06/12/1979 | US4157647 Hand reversing system for an electronic timepiece |
| 05/08/1979 | US4152888 Electronic wrist watch |
| 05/01/1979 | US4152613 Electromagnetic driving device |
| 05/01/1979 | US4152612 Electric motor with operation-indicating means |
| 05/01/1979 | US4152564 Actuating device for a battery operated module |
| 04/24/1979 | US4150536 Electronic timepiece |
| 04/24/1979 | US4150535 Electronic timepiece |
| 04/04/1979 | EP0001334A1 Transducer for an electronic timepiece |
| 03/13/1979 | US4144467 Pulse motor |
| 03/13/1979 | US4143510 Analogue electronic timepiece with setting means |
| 03/13/1979 | US4143508 Electronic circuit block |
| 03/13/1979 | US4143507 Battery operated electronic watch |
| 03/06/1979 | CA1050089A1 Reed switches and process for making them |
| 02/13/1979 | US4138841 Electronic timepiece |
| 01/30/1979 | US4136514 Electro-mechanic calendar timepiece |
| 01/23/1979 | US4135359 Electronic timepiece with the amending means |
| 01/23/1979 | US4135358 Attachment for an electronic watch system |
| 01/09/1979 | US4133169 Electronic circuit for a quartz crystal watch |
| 12/26/1978 | US4130988 Electronic circuit for electronic watch |
| 12/26/1978 | US4130986 Electronic watch, especially electro-optic display watch |
| 12/19/1978 | US4129982 Mercury switch arrangement for digital watch |
| 12/19/1978 | US4129981 Electronic timepiece |
| 12/12/1978 | US4129792 Driver buffer circuit using delay inverters |
| 12/12/1978 | US4128992 Rocking motor for low cost quartz watch |
| 11/28/1978 | US4126992 Stem mechanism for a watch |
| 11/07/1978 | US4123895 Gear train of quartz-crystal timepiece having analogue display |
| 11/07/1978 | CA1041774A1 Digital watch time setting system |
| 10/31/1978 | US4122664 Electronic watch |
| 10/24/1978 | US4121414 Alarm timepiece |
| 10/24/1978 | US4121413 Battery operated electric clock with improved casing |
| 10/24/1978 | CA1041038A1 Electrolytic cell for inactivation and destruction of pathogenic material |
| 10/10/1978 | US4119892 Light emitting indicating circuit for a timepiece |
| 10/03/1978 | US4117665 Magnetic shield plate mounting structure for an electronic timepiece |
| 10/03/1978 | US4117660 Casing ring for watch movement |
| 09/26/1978 | US4115996 Self actuating pendulum system |
| 09/26/1978 | US4115995 Automatic wristwatch construction |
| 09/19/1978 | US4115714 Stepping motor |
| 09/19/1978 | US4114364 Driving pulse width controlling circuit for a transducer of an electronic timepiece |
| 09/12/1978 | US4112671 Pulse motor driving system for use in a timepiece |
| 09/12/1978 | US4112670 Electronic timepiece |
| 09/05/1978 | US4110968 Control for a step motor for the measurement of time |
| 08/29/1978 | US4109457 Universal electronic timepiece |
| 08/08/1978 | US4104862 Apparatus for generating an alarm sound |
| 08/08/1978 | US4104859 Reversal preventing device of electric clock |
| 08/01/1978 | US4103483 Electronic wristwatch |
| 07/04/1978 | US4098072 Digital clock gearing |
| 06/20/1978 | US4095408 Watch device |
| 06/20/1978 | US4095406 Second adjustment system in an electronic watch |
| 06/20/1978 | US4095405 Electronic watch |
| 06/13/1978 | US4095130 Synchronous motor |
| 06/13/1978 | US4094135 Switch control unit for electronic timepiece |
| 06/06/1978 | US4092821 Control device for an electronic watch |
| 06/06/1978 | US4092820 Electronic timepiece |
| 05/30/1978 | US4091612 Adjusting arrangement for a digital indicator |
| 05/23/1978 | US4090354 Counting mechanism for timepiece |
| 05/23/1978 | US4090352 Reducing gear-train of an electronic watch with analog display |
| 05/09/1978 | US4088910 Geared motor assembly |
| 05/09/1978 | US4088854 Electronic timepiece switch mechanism having substrate mounted pivoted contact and lever or cam actuator |
| 05/09/1978 | US4087957 Movement construction for small size analog quartz timepiece |
| 05/02/1978 | US4086753 Timepiece |
| 05/02/1978 | US4086696 Packaging method of a circuit for an electronic watch |
| 04/25/1978 | US4086521 Digital system for stabilizing the speed of a clockwork motor |
| 04/25/1978 | US4085577 Electronic timepiece |
| 04/18/1978 | US4084404 Electronic watch |
| 04/18/1978 | US4084403 Driving mechanism for a timepiece |
| 04/04/1978 | US4082927 Electrical magnetic switch adaptable for use in digital wristwatches |
| 04/04/1978 | US4081951 Electronic timepiece |
| 03/28/1978 | US4080781 Electronic wrist watch |
| 03/21/1978 | US4079582 Electronic timepiece |
| 03/14/1978 | US4079279 Electrical micromotor |
| 03/14/1978 | US4078373 Marking display assembly in a watch movement |
| 03/07/1978 | US4077200 Case for an electronic wristwatch module |
| 03/07/1978 | US4077199 Small sized electronic timepiece movement |
| 03/07/1978 | US4077198 Clock apparatus |
| 02/28/1978 | USRE29551 Electronic watch movement mounting and connection |
| 02/28/1978 | US4075827 Adjustable circuit for an electronic timepiece |
| 02/14/1978 | US4074093 Switching mechanism in an electronic watch |
| 02/07/1978 | US4072004 Switching construction for a handy electronic device |
| 01/03/1978 | US4066947 Stepping motor for electronic timepiece |
| 12/27/1977 | US4065651 Keyboard switch assembly having flexible rung ladder contacts |
| 12/13/1977 | US4062181 Combination watch-calculator construction |
| 12/13/1977 | US4062179 Switching mechanism for an electronic timepiece |