Circuit and method for monitoring a supply voltage and...

Details Circuit and method for monitoring a supply voltage and... Circuit and method for monitoring a supply voltage and...

2008-04-22

2008-04-22

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S143000

Reexamination Certificate

active

11299997

ABSTRACT:
A power supply monitoring circuit is provided that utilises an adaptive internal control of the refresh rates of capacitors to reduce the power requirements of the circuit. The circuit provides at an output a signal indicative of the level of the supply voltage relative to a predetermined reference voltage.

REFERENCES:
patent: 3988661 (1976-10-01), McCoy
patent: 6259612 (2001-07-01), Itoh
patent: 11133069 (1997-10-01), None

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