US Patent 7260030 Optical disk apparatus and pickup control unit/method
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Patent Inventor Names
Ryoichi Ishikawa0
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Patent abstract
In an optical disk apparatus, when a focus deviation occurs, amplitude driving of a pickup is performed for focus pull-in immediately without a waiting time. The amplitude driving is performed with a first amplitude a given number of times, and when detection of a focusing point fails, amplitude driving with a second amplitude larger than the first amplitude is performed.
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US Patent 07260030 Optical disk apparatus and pickup control unit/method US Patent 7260030 Optical disk apparatus and pickup control unit/method
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Patent Number
072600300
Patent Number
72600300
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Patent Jurisdiction
Patent Number
072600300
Date of Patent
August 21, 2007
0Patent Application Number
106073050
Date Filed
June 27, 2003
0Official Website
Patent Primary Examiner
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US Patent 07260030 Optical disk apparatus and pickup control unit/method
Infobox
Is a
Patent jurisdiction
Patent number
07260030
Date of patent
August 21, 2007
Patent application number
10607305
Date Filed
June 27, 2003
Patent primary examiner
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