Voltage drop measurement circuit

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters

Reexamination Certificate

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Reexamination Certificate

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07902844

ABSTRACT:
A voltage drop measurement circuit includes a voltage drop circuit to generate an output voltage and fluctuate the output voltage according to a fluctuation in a power supply voltage, where the output voltage being the power supply voltage dropped by a predetermined amount and a flip-flop to retain a flag indicating a drop in the power supply voltage according to the output voltage.

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patent: 2006/0259098 (2006-11-01), Erickson
patent: 2007/0296421 (2007-12-01), Matsunaga
patent: 2004-146612 (2004-05-01), None

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