Defect detection in high voltage power supply apparatus
Number of patents in Portfolio can not be more than 2000
United States of America
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Jun 28, 2022
Grant Date -
Nov 18, 2021
app pub date -
Sep 11, 2019
filing date -
Sep 11, 2019
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Abstract
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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- 15 United States
- 10 France
- 8 Japan
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- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
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HEWLETT-PACKARD DEVELOPMENT COMPANY L P | 10300 ENERGY DRIVE SPRING TX 77389 |
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Cheon, Kwanghoon | Suwon-si, KR | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Cho, Jonghwa | Suwon-si, KR | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 | |||
Park, Jinyun | Hwasung-si, KR | 1 | 0 |
# of filed Patents : 1 Total Citations : 0 |
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