Power supply circuit for a data processor

Details Power supply circuit for a data processor Power supply circuit for a data processor

1978-08-18

1981-07-14

Thomas, James D.

Boots, shoes, and leggings

365226, G06F 100

Patent

active

042790204

ABSTRACT:
In order to extend battery life when batteries are used and to conserve energy when commercial power is used, it is highly desirable that power not be applied to a data processor when it is not operating. A power supply in accordance with the present invention includes a power-up and supply subcircuit (100) that applies power to an associated data processor (500) when a data input circuit (700) is operated to select a particular operation of the processor. When the processor completes its operation, it provides an output signal to a power-down subcircuit (200) of the power supply which then removes power from the processor.

REFERENCES:
patent: 3535560 (1970-10-01), Cliff
patent: 3736569 (1973-05-01), Bouricius
patent: 3774164 (1973-11-01), Osterberg
patent: 3855577 (1974-12-01), Vandierendonck
patent: 3941989 (1976-03-01), McLaughlin
patent: 3956740 (1976-05-01), Jones et al.
patent: 4151611 (1979-04-01), Sugawara
patent: 4158230 (1979-06-01), Washizuka et al.
D. Schilling, "Electronic Circuits: Discrete and Integrated", 1968, p. 63.

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