Optical disc apparatus

United States of America Patent

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Jun 28, 2011
Grant Date
Jun 18, 2009
app pub date
Dec 12, 2008
filing date
Dec 13, 2007

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Abstract

In servo control within an optical disc apparatus, when iterative learning control is started, the servo characteristics are modified to servo characteristic giving increased gains during a given period of time. Under this condition, the iterative learning control is provided.

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Patent Owner	Address
HITACHI CONSUMER ELECTRONICS CO LTD	KANAGAWA KANAGAWA

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G11B:INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BET....

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Inventor Name	Address	# of filed Patents	Total Citations
Onoe, Shinsuke	Fujisawa, JP	22	41

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Optical disc apparatus

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United States of America Patent

12333554

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PATENT NO	7969833
APP PUB NO	20090154313A1
SERIAL NO	12333554
DOCKET NO

US Family Size	Non-US Coverage
Patent Longevity	Forward Citations

DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
June 28, 2011	US,7969833,B2 US7969833B2	GRANTED PATENT AS SECOND PUBLICATION
June 18, 2009	US,20090154313,A1 US20090154313A1	FIRST PUBLISHED PATENT APPLICATION

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12333554

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