Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1973-06-08
1976-02-17
Jackmon, Edith Simmons
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307 38, 340336, G04C 1902, H02J 314
Patent
active
039383180
ABSTRACT:
There is disclosed a battery powered wrist watch utilizing solid state circuits and a liquid crystal display to eliminate mechanical parts. Complementary metal oxide semiconductor (CMOS) devices are used to drive liquid crystal display cells. The liquid cells dissipate only microwatts of power when energized and the CMOS devices require appreciable power only when switching from one state to the other. The combination of the liquid crystal display with the CMOS driving circuitry provides a low power, compact, portable watch.
REFERENCES:
patent: 3560998 (1971-02-01), Walton
patent: 3613351 (1971-10-01), Walton
patent: 3672155 (1972-06-01), Bergey et al.
patent: 3722206 (1972-03-01), Bergey
Connors, Jr. Edward J.
Jackmon Edith Simmons
Levine Harold
Sadacca Stephen S.
Texas Instruments Incorporated
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