| 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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| 03/01/1990 | DE3828810A1 Device for detecting the position of a display of an analog electronic clock (timepiece), in particular a radio-controlled clock |
| 02/28/1990 | CN1040102A Electronic clock bipolar stepping motor rotor mechanical energy transfer shifting yoke |
| 02/21/1990 | CN1039906A Electronic watch with alarm |
| 02/13/1990 | US4901296 Watch with speed adjustment during travel for reducing jet lag |
| 01/30/1990 | US4897825 Magnetic shielding structure of analog electronic timepiece |
| 01/24/1990 | CN2051750U Pendulum mechanism for quartz integrated pendulum clocks |
| 01/10/1990 | CN1038708A Ic for analong electronic watch and analog electronic watch |
| 01/09/1990 | US4893292 Electronic watch movement comprising time display means having indicator hands |
| 01/03/1990 | EP0348856A1 Electronic watch having an opening for receiving a battery and a hatch for closing said opening, and method of manufacturing said watch |
| 12/27/1989 | CN2050182U Magnetic control switch pendulum-turned mechanism |
| 12/20/1989 | EP0347251A2 A multi-functional analog electronic watch |
| 12/20/1989 | EP0347250A2 Electronic alarm watch |
| 12/20/1989 | EP0347249A2 An IC chip for an analog electronic watch |
| 12/20/1989 | CN2049791U 壁灯型石英钟 Wall lamp type quartz |
| 12/20/1989 | CN1038176A Miniature electric clock |
| 12/19/1989 | US4888749 Three hand movement for a timepiece having a stepping motor |
| 12/19/1989 | US4888507 Stepping motor rotor assembly for an electronic timepiece |
| 12/13/1989 | CN2049373U Torsional pendulum device capable of showing pendulum actions up-and-down simultaneously |
| 12/13/1989 | CN2049372U Sound-control illuminated electronic quartz clock |
| 12/12/1989 | US4886988 Universal stepping motor/gear train module for a wrist instrument |
| 12/06/1989 | EP0345224A1 Power supply method for a monophased stepping motor for a time piece |
| 12/05/1989 | US4885730 Analog electronic timepiece using an intermittent driving signal |
| 11/29/1989 | EP0343493A1 Electric mantelpiece clock |
| 11/23/1989 | EP0342821A2 A compensating circuit for an electronic timepiece |
| 11/23/1989 | EP0342705A2 Electronic watch |
| 11/22/1989 | CN1037408A Electronically corrected electronic timepiece |
| 11/21/1989 | US4882717 Charging circuit for an analog electronic timepiece |
| 11/15/1989 | EP0341582A1 Control method for a bidirectional step motor, and bidirectional step motor controlled by this method |
| 11/14/1989 | US4881187 Cycle computer with improved switch and push-button arrangement to facilitate resetting |
| 11/02/1989 | DE3912247A1 Uhr mit ewigem kalender und analoger zeitanzeige Clock with perpetual calendar and analogue time display |
| 11/02/1989 | DE3813935A1 Schalter fuer elektronische uhren Switch for electronic watches |
| 10/25/1989 | EP0338535A2 Electronically corrected electronic timepiece |
| 10/19/1989 | WO1989009950A1 Pointer type display |
| 10/18/1989 | CN2046236U Acoustic and optical dual control electronic quartz clock |
| 10/10/1989 | US4873477 Driving circuit for actuator |
| 10/03/1989 | CA1262051A1 Electronic chronograph, more particularly electronic chronograph-watch |
| 09/19/1989 | US4868709 Electromagnetic drive circuit |
| 09/19/1989 | US4868402 Device for detecting the transit of a mobile member through a reference position |
| 09/12/1989 | US4866564 Electromagnetic drive circuit |
| 08/29/1989 | US4862432 Securing construction for timepiece |
| 08/23/1989 | EP0328845A1 Chronographic timepiece |
| 08/16/1989 | EP0327989A1 Stepper motor control circuit, especially for watches |
| 08/10/1989 | DE3803387A1 Electronic timepiece |
| 08/09/1989 | CN1034623A Electronic timepiece ii |
| 08/02/1989 | CN2042211U 石英钟 Quartz |
| 08/02/1989 | CN2042210U Analog quartz alarm clock |
| 08/01/1989 | US4853043 Solar battery for time piece |
| 07/26/1989 | CN2041825U Bipolar shifting yoke of stepper motor |
| 07/13/1989 | WO1989006387A1 Display using pointer |
| 07/13/1989 | WO1989006386A1 Push-pull, stem-controlled digital time displays |
| 07/13/1989 | DE3744370A1 Electrically driven pendulum clock having a pendulum member which is tripped by the regulator of the clockwork |
| 06/21/1989 | EP0320888A2 Electronic timepiece |
| 06/14/1989 | EP0320295A2 Analog electronic timepiece |
| 06/07/1989 | EP0319304A2 Timepiece movement |
| 06/07/1989 | EP0319297A2 Timepiece communication system |
| 06/06/1989 | US4837755 Device for controlling or correcting the readout of the day of the week or date for a wrist watch |
| 06/01/1989 | WO1989005001A1 Time-piece |
| 05/24/1989 | EP0316501A1 Time piece |
| 05/24/1989 | CN1033116A Mounting structure for ic chip for timepiese |
| 05/23/1989 | US4833661 Timepiece with random-numbered dial |
| 05/18/1989 | WO1989004512A1 Process for programming the perpetual calendar of a watch and watch for implementing such process |
| 05/11/1989 | DE3738010C1 Electric clock |
| 04/26/1989 | EP0312946A1 Electronic timepiece |
| 04/26/1989 | EP0312857A1 Watch |
| 04/25/1989 | US4825332 Electromagnetic driving circuit |
| 04/13/1989 | DE3839655A1 Push-button with a pressure sensor |
| 04/11/1989 | US4821249 Timepiece movement |
| 04/11/1989 | US4821248 World timepiece |
| 04/05/1989 | CN1032246A Analogue electronic timepiece |
| 04/04/1989 | US4818830 Pushpiece mechanism for a timepiece |
| 03/29/1989 | EP0309164A2 Analog electronic timepiece |
| 03/29/1989 | EP0308879A2 Two-motor movement, in particular for a radio clock |
| 03/28/1989 | US4817063 Power source control circuit for an analog electronic timepiece |
| 03/22/1989 | EP0308126A2 A drive circuit for an actuator |
| 03/21/1989 | US4815051 Analog electronic watch that indicates the day of the week and the ordinal of the month |
| 03/15/1989 | CN2034296U Keyboard type quartz clock with wide time domain timing and memorization |
| 02/22/1989 | EP0304091A1 Damping device |
| 02/15/1989 | CN2032736U Quartz crystal turret clock |
| 02/07/1989 | US4803544 Prefabricated strip conductor network assembly unit and process for making same |
| 02/01/1989 | CN1030830A Timepiece |
| 02/01/1989 | CN1030829A Timepiece wheel and method for preparing the same |
| 01/24/1989 | US4800545 Removable stem and switch actuator for electronic wristwatch |
| 01/24/1989 | US4800543 Timepiece communication system |
| 01/24/1989 | US4800334 Method of analyzing the voltage induced in an exciter coil of a stepping motor |
| 01/18/1989 | CN1030485A Quartz analog watch movement with lavet-stepping motor and large energy cell |
| 01/17/1989 | US4799204 Alarm stop device for a timepiece |
| 01/11/1989 | EP0298189A2 Quartz analog watch movement with lavet-stepping motor and large energy cell |
| 01/03/1989 | US4795930 Stepping motor coil core and stator assembly for a timepiece |
| 12/28/1988 | EP0296691A1 Electro-mechanical timepiece with stepper motor |
| 12/22/1988 | DE3812172A1 Electronic clock |
| 12/14/1988 | CN88102603A 电子时计 Electronic timepiece |
| 12/13/1988 | US4791621 Solar cell powered clock having a decorative pendulum |
| 12/07/1988 | CN88201082U Huge quartz clock |
| 12/06/1988 | US4789761 Appliance timer |
| 11/30/1988 | CN88210753U Quartz crystal calibrated turret clock |
| 11/29/1988 | US4788669 Electronic timepiece |
| 11/15/1988 | CA1244659A1 Lavet motor and method of assembly |
| 11/09/1988 | CN88102308A Method of display information for memory time base on surface and list use ing this method equiped |
| 11/03/1988 | WO1988008557A1 Process for displacing a time-based item of information on a watch dial, and watch equipped to implement this process |
| 10/25/1988 | US4780583 Rotatable circular switch |