Defect detection in high voltage power supply apparatus

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11372031
APP PUB NO 20210356498A1
SERIAL NO

17274015

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Abstract

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A high voltage power supply apparatus includes: a comparator, a transformer, a rectifier, and a detector. The comparator is to control output of a basic voltage. A high voltage based on the basic voltage is used to perform an image forming job in an image forming apparatus. The transformer is to output an alternating current voltage of a second side of the transformer by amplifying an alternating current voltage of a first side of the transformer, the amplifying being based on a resonance phenomenon induced from the basic voltage. The rectifier is to output the high voltage by rectifying the alternating current voltage of the second side. The detector is to sense a voltage applied to the comparator and a voltage applied to the transformer, and is to output operational state information of the high voltage power supply apparatus based on the sensed voltages.

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Patent Owner(s)

Patent OwnerAddress
HEWLETT-PACKARD DEVELOPMENT COMPANY L P10300 ENERGY DRIVE SPRING TX 77389

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cheon, Kwanghoon Suwon-si, KR 1 0
Cho, Jonghwa Suwon-si, KR 1 0
Park, Jinyun Hwasung-si, KR 1 0

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges678417301 - 1011 - 20050100150200250300350400450500550600650700750

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