Power supply for compensating a failed voltage

Details Power supply for compensating a failed voltage Power supply for compensating a failed voltage

1995-11-08

1998-09-29

Nguyen, Matthew V.

Electricity: power supply or regulation systems

Output level responsive

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

307 24, G05F 1577, H02J 110

Patent

active

058149775

ABSTRACT:
A power supply capable of compensating a failed voltage occurred therein includes an exclusive OR gate for performing an exclusive OR operation on a first and a second voltages to produce a failure detection signal to indicate a failure in either of a first or a second voltage source, wherein a level of the first voltage is higher than that of the second voltage, a voltage conversion device for converting the first voltage applied thereto to an equivalent to the second voltage and a switching transistor, in response to the failure detection signal, for permitting the first voltage to apply the voltage conversion device.

REFERENCES:
patent: 3743924 (1973-07-01), Genuit
patent: 3796890 (1974-03-01), Thompson et al.
patent: 4034232 (1977-07-01), LaVenture
patent: 4074182 (1978-02-01), Weischedel
patent: 5208485 (1993-05-01), Krinsky et al.

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