Voltage detecting circuit

Details Voltage detecting circuit Voltage detecting circuit

2011-01-04

2011-01-04

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

Reexamination Certificate

active

07863942

ABSTRACT:
A voltage detecting circuit for comparing a voltage to be detected with a reference voltage and outputting an output signal having a level depending on the comparison is disclosed. The voltage detecting circuit includes an inverting amplifier circuit configured to receive an intermediate signal having a level depending on the comparison and output the output signal. The inverting amplifier circuit includes an active element having a control terminal. A threshold voltage of the control terminal is as low as or lower than the reference voltage. The voltage to be detected is applied to the control terminal of the active element.

REFERENCES:
patent: 7034581 (2006-04-01), Sudou
patent: 7365571 (2008-04-01), Seo et al.
patent: 2006/0066359 (2006-03-01), Tso et al.
patent: 2004-163315 (2004-06-01), None

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