Power supply device and image forming apparatus having the same

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United States of America Patent

PATENT NO 10892685
APP PUB NO 20190214915A1
SERIAL NO

16325675

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Abstract

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A power supply device is provided. The power supply device includes an AC/DC converter configured to convert an input AC power into a first DC power having a predetermined size, and to output the first DC power, a DC/DC converter configured to convert the first DC power into a second DC power according to an enable signal, and a switch including a soft switch connected to the first DC power at one end, and configured to, in response to the soft switch being turned on, voltage-distribute the first DC power, and to provide the voltage-distributed first DC power to the DC/DC converter as an enable signal.

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Patent Owner(s)

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

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jeong, An-sik Hwaseong-si, KR 17 43
Jung, Hong-ki Suwon-si, KR 3 10

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