D.C. monitoring circuit

Details D.C. monitoring circuit D.C. monitoring circuit

1976-09-13

1980-01-01

Rubinson, Gene Z.

Electrical transmission or interconnection systems

Plural supply circuits or sources

Substitute or emergency source

307 64, H02J 900

Patent

active

041818423

ABSTRACT:
A power supply structure for an electronic system includes a primary power source and a stand-by or secondary power source. The secondary power source is ground circuit isolated from the primary source. A monitoring circuit, which is energized from the secondary source is connected to monitor the primary source for incipient failure, then to produce an output signal which may be used to trigger an alarm and/or switch the secondary power source into energizing connection with respect to the electronic system.

REFERENCES:
patent: 3631257 (1971-12-01), Behr et al.
patent: 3816804 (1974-06-01), Cardwell, Jr.
patent: 3821626 (1974-06-01), Maver et al.
patent: 3925772 (1975-12-01), Miller et al.
patent: 3942028 (1976-03-01), Baker
patent: 4010381 (1977-03-01), Fickenscher et al.

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