Low noise charging method and device for portable devices

United States of America Patent

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Aug 11, 2009
Grant Date
Jun 1, 2006
app pub date
Apr 25, 2005
filing date
Dec 1, 2004

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Abstract

A method is used for charging a battery. According to the method of the present invention, the battery is first charged to a predetermined voltage at a substantially constant current. Then, the charging current is disabled. A pulsing current is applied to the battery for charging the battery.

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Patent Owner(s)

Patent Owner	Address
O2MICRO INTERNATIONAL LIMITED	GRAND PAVILLION COMMERCIAL CENTRE WEST BAY ROAD P O BOX 32331 SMB GEORGETOWN GRAND CAYMAN BWI

International Classification(s)

H02J:CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR D....

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Inventor Name	Address	# of filed Patents	Total Citations
Spiridon, Constantin	San Jose, US	8	240

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Low noise charging method and device for portable devices

Number of patents in Portfolio can not be more than 2000

United States of America Patent

11114691

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PATENT NO	7573240
APP PUB NO	20060113962A1
SERIAL NO	11114691
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
August 11, 2009	US,7573240,B2 US7573240B2	GRANTED PATENT AS SECOND PUBLICATION
June 01, 2006	US,20060113962,A1 US20060113962A1	FIRST PUBLISHED PATENT APPLICATION

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11114691

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