JP2009170087A5 - - Google Patents

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Publication number
JP2009170087A5
JP2009170087A5 JP2009062236A JP2009062236A JP2009170087A5 JP 2009170087 A5 JP2009170087 A5 JP 2009170087A5 JP 2009062236 A JP2009062236 A JP 2009062236A JP 2009062236 A JP2009062236 A JP 2009062236A JP 2009170087 A5 JP2009170087 A5 JP 2009170087A5
Authority
JP
Japan
Prior art keywords
region
light
light beam
optical head
dividing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2009062236A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009170087A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2009062236A priority Critical patent/JP2009170087A/ja
Priority claimed from JP2009062236A external-priority patent/JP2009170087A/ja
Publication of JP2009170087A publication Critical patent/JP2009170087A/ja
Publication of JP2009170087A5 publication Critical patent/JP2009170087A5/ja
Pending legal-status Critical Current

Links

JP2009062236A 2009-03-16 2009-03-16 光学ヘッド及びそれを備える光ディスク装置 Pending JP2009170087A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2009062236A JP2009170087A (ja) 2009-03-16 2009-03-16 光学ヘッド及びそれを備える光ディスク装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009062236A JP2009170087A (ja) 2009-03-16 2009-03-16 光学ヘッド及びそれを備える光ディスク装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2006283248A Division JP4357518B2 (ja) 2006-10-18 2006-10-18 光学ヘッド及びそれを備える光ディスク装置

Publications (2)

Publication Number Publication Date
JP2009170087A JP2009170087A (ja) 2009-07-30
JP2009170087A5 true JP2009170087A5 (enrdf_load_stackoverflow) 2009-12-17

Family

ID=40971069

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009062236A Pending JP2009170087A (ja) 2009-03-16 2009-03-16 光学ヘッド及びそれを備える光ディスク装置

Country Status (1)

Country Link
JP (1) JP2009170087A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012069183A (ja) * 2010-09-22 2012-04-05 Hitachi Consumer Electronics Co Ltd 光ピックアップ装置および光ディスク装置
JP2012084200A (ja) 2010-10-12 2012-04-26 Hitachi Media Electoronics Co Ltd 光ピックアップ及び光情報記録再生装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090028036A1 (en) * 2006-03-14 2009-01-29 Matsushita Electric Industrial Co., Ltd. Optical disc device

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