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| Patents for G04G 21 - Input or output devices integrated in time-pieces (3,521) |
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| 11/02/1976 | US3989960 Chattering preventive circuit | | 10/26/1976 | US3987616 Digital watch time setting system | | 10/05/1976 | US3983690 Digital timepiece having chronometric display | | 10/05/1976 | US3983689 Electronic watch construction | | 09/28/1976 | US3983350 Liquid contact switch assembly incorporated within wrist watch casing | | 09/07/1976 | US3978653 Solderless contact for electronic watch | | 08/31/1976 | US3978296 Switching system for an electronic timepiece | | 08/24/1976 | US3975897 Electronic display digital wristwatch | | 08/24/1976 | US3975896 Switching device for electronic timepiece | | 08/17/1976 | US3974637 Light emitting diode wristwatch with angular display | | 08/03/1976 | US3973099 Push button switch for electronic watch | | 08/03/1976 | US3972320 Patient monitoring system | | 07/13/1976 | US3968640 Digital watch with elastomer housing block and flexible printed circuitry | | 06/15/1976 | US3962858 Electronic watch | | 05/11/1976 | US3955352 Electronic watch with digital display having a correction mechanism for small errors | | 03/23/1976 | US3946173 Acceleration/deceleration actuating mechanism for wrist instruments | | 03/16/1976 | US3944843 Impedance responsive touch actuated circuit | | 02/24/1976 | US3939640 System for illuminating the display of a wrist watch | | 02/10/1976 | US3937049 Monitoring system for digital electronic timepiece | | 02/10/1976 | US3937004 Portable miniature type information treating device | | 02/03/1976 | US3935700 Switching mechanism for electronic watch electro-optic display |
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