Electronic timepiece

Details Electronic timepiece Electronic timepiece

1974-08-02

1976-04-20

Jackmon, Edith Simmons

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

58 50R, 307DIG1, G04C 300, G04B 1930

Patent

active

039509400

ABSTRACT:
An electronic timepiece having the electronic circuitry formed as a single monolithically integrated circuit chip is provided, a first portion of the circuitry being actuated by a first potential and a second portion of the circuitry being actuated by a second potential higher than said first. The circuit chip includes complementary coupled MOS transistors, the first and second circuit portions operating respectively at first and second logic levels. An interface is provided intermediate said first and second circuit portions, the interface being adapted to effect an interfacing of said logic levels, and an electrical insulation of said first and second circuit portions.

REFERENCES:
patent: 3675043 (1972-07-01), Bell
patent: 3701249 (1972-10-01), Bergey et al.
patent: 3757510 (1972-09-01), Dill
patent: 3803827 (1974-04-01), Roberts
patent: 3820108 (1974-06-01), Luce
patent: 3860830 (1975-01-01), Akio et al.

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