Power control apparatus for a battery-powered communication syst

Details Power control apparatus for a battery-powered communication syst Power control apparatus for a battery-powered communication syst

1999-03-08

2000-10-31

Paladini, Albert W.

Electrical transmission or interconnection systems

Plural load circuit systems

Plural sources of supply

307 66, H02J 110

Patent

active

061407143

ABSTRACT:
A power control apparatus includes a first driven circuit and a second driven circuit connected to the first driven circuit. A primary power-supply circuit produces a primary voltage from a source voltage of a battery and supplies the primary voltage to drive the first driven circuit. A secondary power-supply circuit produces a secondary voltage from the source voltage of the battery or from the primary voltage of the primary power-supply circuit, and supplies the secondary voltage to drive the second driven circuit. A control circuit outputs a power-supply control signal to the secondary power-supply circuit in response to a command signal, so that the supply of the secondary voltage to the second driven circuit by the secondary power-supply circuit is started or terminated by the power-supply control signal.

REFERENCES:
patent: 5272382 (1993-12-01), Heald et al.
patent: 5806006 (1998-09-01), Dinkins
patent: 5898232 (1999-04-01), Reents et al.

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