Charge pump circuit

United States of America Patent

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Jun 3, 2008
Grant Date
Aug 10, 2006
app pub date
Dec 24, 2003
filing date
Jan 17, 2003

priority date (Note)
Expired

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Abstract

A charge pump circuit has a voltage increasing stage and a voltage decreasing stage in parallel, and sharing a common input. This shows charge to flow between the stages, so that charge used in the pumping of one stage is recycled to the other stage.

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Patent Owner(s)

Patent Owner	Address
TPO HONG KONG HOLDING LIMITED	PHILIPS ELECTRONICA BUILDING 5 SCIENCE PARK EAST AVENUE SHETIN HONG KONG SAR

International Classification(s)

H02M:APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEE....

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Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Ayres, John R A	Reigate, GB	15	233
Yamashita, Keitaro	Ashiya, JP	133	1323

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Charge pump circuit

Number of patents in Portfolio can not be more than 2000

United States of America Patent

10542674

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PATENT NO	7382176
APP PUB NO	20060176102A1
SERIAL NO	10542674
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity Expired	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 03, 2008	US,7382176,B2 US7382176B2	GRANTED PATENT AS SECOND PUBLICATION
August 10, 2006	US,20060176102,A1 US20060176102A1	FIRST PUBLISHED PATENT APPLICATION

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10542674

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