Electricity: power supply or regulation systems – Input level responsive
Reexamination Certificate
2006-02-21
2006-02-21
Nguyen, Matthew V. (Department: 2838)
Electricity: power supply or regulation systems
Input level responsive
Reexamination Certificate
active
07002331
ABSTRACT:
A modular power supply system incorporating a power status signal generator circuit to detect the voltage sag of the input peak voltage within a short period is proposed. The power status signal generator circuit mainly includes a peak detector that detects a peak value of an input voltage, wherein the peak detector comprises a first comparator that compares the input voltage with a predetermined reference voltage and sends an output signal according to a comparison result thereof, a RC network connected to the first comparator and is configured to charge and discharge the capacitor according to the output signal of the first comparator, and a second comparator connected to the resistor-capacitor network that compares a terminal voltage of the capacitor of the resistor-capacitor network with the predetermined reference voltage and generates a power status signal according to a comparison result thereof.
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patent: 6670779 (2003-12-01), Shen
Sae-Ueng Sakda
Tsai Kuei Hsiang
Waraluk Suvimol-Opas
Xu Ming Chun
Delta Electronics (Thailand) Public Company Limited
Delta Electronics , Inc.
Madson & Metcalf
Nguyen Matthew V.
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