Voltage detection circuit

Details Voltage detection circuit Voltage detection circuit

2007-05-29

2007-05-29

Nguyen, Long (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S143000, C327S081000

Reexamination Certificate

active

11251263

ABSTRACT:
A voltage detection circuit, comprises a constant-current circuit, a current mirror circuit operated by the constant-current circuit, at least one diode-connected first transistor disposed between an output of the current mirror circuit and a detected voltage, and an output circuit outputting one logic voltage in response to a turn-on of the first transistor when the detected voltage is a predetermined voltage or higher, and outputting the other logic voltage in response to a turn-off of the first transistor when the detected voltage is lower than the predetermined voltage.

REFERENCES:
patent: 6472912 (2002-10-01), Chiu et al.
patent: 2003/0227306 (2003-12-01), Di lorio
patent: 2002-296306 (2002-10-01), None

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