Low-power integrated circuit for an electronic timepiece

Details Low-power integrated circuit for an electronic timepiece Low-power integrated circuit for an electronic timepiece

1978-08-04

1984-04-10

Weldon, Ulysses

Horology: time measuring systems or devices

Power supply details

Electrical

368 62, 368203, G04B 100

Patent

active

044418256

ABSTRACT:
An electronic timepiece comprising a threshold voltage based constant voltage regulator circuit, which provides the regulated voltage to a first part of the timepiece system including an oscillator and a divider. The signal from the first part is transferred to a second part of the timepiece which is provided with a voltage from a power supply source directly. The regulator circuit improves the voltage dependence of the timepiece system such as current consumption, frequency stability, etc.

REFERENCES:
patent: 3701249 (1972-10-01), Bergey et al.
patent: 3823546 (1974-07-01), Gortz et al.
patent: 3946550 (1976-03-01), Fujita
patent: 3950940 (1976-04-01), Nishimura et al.
patent: 3958187 (1976-05-01), Suzuki et al.
patent: 3999368 (1976-12-01), Yoshida
patent: 4014165 (1977-03-01), Barton
patent: 4041691 (1977-08-01), Chihara et al.

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