Semiconductor integrated circuit for a timepiece

Details Semiconductor integrated circuit for a timepiece Semiconductor integrated circuit for a timepiece

1978-11-22

1981-06-09

Truhe, J. V.

Horology: time measuring systems or devices

Regulating means

For compensation

368200, 331176, G04B 1712, G04B 1716, G04B 1720, H03L 100

Patent

active

042728401

ABSTRACT:
A semiconductor temperature compensation circuit for an electronic timepiece is provided. The temperature compensation circuit is characterized by a temperature detection circuit comprised of MOS transistors, at least two of which have distinct conductive coefficients for producing signals representative of variations in ambient temperature and a temperature signal converting means including MOS transistors for converting the temperature dependent signal into a temperature compensation value for effecting timing rate adjustment in an electronic timepiece. The temperature detection circuit and the temperature signal converter circuit are both formed of elements that can be monolithically integrated into the same substrate.

REFERENCES:
patent: 3938316 (1976-02-01), Morokawa et al.
patent: 3939642 (1976-02-01), Morozumi
patent: 3999370 (1976-12-01), Morokawa et al.
patent: 4015208 (1977-03-01), Hammer et al.
patent: 4071813 (1978-01-01), Dobkin
patent: 4115796 (1978-09-01), Fujimoto et al.

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