Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kanji Wakabayashi0
Yoshiaki Komma0
Toshiyasu Tanaka0
Fumitomo Yamasaki0
Kousei Sano0
Date of Patent
June 22, 2010
Patent Application Number
11924225
Date Filed
October 25, 2007
Patent Primary Examiner
Patent abstract
The present invention aims to provide an optical head and an optical disk device capable of suitably detecting tracking error signals for different types of optical discs.
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