Voltage control circuit responsive to FET propagation time

Details Voltage control circuit responsive to FET propagation time Voltage control circuit responsive to FET propagation time

1980-03-13

1982-11-09

Pellinen, A. D.

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

307525, 323907, 368204, G05F 158

Patent

active

043587283

ABSTRACT:
An electronic timepiece contains a supply voltage source which provides a supply voltage controlled in accordance with temperature, whereby power consumption is reduced by supplying the timepiece circuit with only the amplitude of supply voltage required at any particular operating temperature. Voltage control is performed in accordance with variations in propagation times of circuit elements with temperature, as determined by variations in the frequency of a ring oscillator circuit.

REFERENCES:
patent: 3688202 (1972-08-01), Naubereit et al.
patent: 4015218 (1977-03-01), Sanderson
patent: 4232261 (1980-11-01), Lingstaedt et al.
patent: 4244043 (1981-01-01), Fujita et al.

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