JP2009170087A - 光学ヘッド及びそれを備える光ディスク装置 - Google Patents

光学ヘッド及びそれを備える光ディスク装置 Download PDF

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Publication number
JP2009170087A
JP2009170087A JP2009062236A JP2009062236A JP2009170087A JP 2009170087 A JP2009170087 A JP 2009170087A JP 2009062236 A JP2009062236 A JP 2009062236A JP 2009062236 A JP2009062236 A JP 2009062236A JP 2009170087 A JP2009170087 A JP 2009170087A
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Japan
Prior art keywords
light
light beam
photodetector
signal
light receiving
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Pending
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JP2009062236A
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Japanese (ja)
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JP2009170087A5 (enrdf_load_stackoverflow
Inventor
Toshimasa Kamisada
神定利昌
Yasuo Kitada
北田保夫
Kazuyoshi Yamazaki
山▲崎▼和良
Tomohito Kawamura
川村友人
Yoshiro Konishi
小西義郎
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Hitachi Consumer Electronics Co Ltd
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Hitachi Media Electronics Co Ltd
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Priority to JP2009062236A priority Critical patent/JP2009170087A/ja
Publication of JP2009170087A publication Critical patent/JP2009170087A/ja
Publication of JP2009170087A5 publication Critical patent/JP2009170087A5/ja
Pending legal-status Critical Current

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  • Optical Head (AREA)
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)

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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

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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

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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)

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

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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

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JP (1) JP2009170087A (enrdf_load_stackoverflow)

Cited By (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
US8451703B2 (en) 2010-10-12 2013-05-28 Hitachi Media Electronics Co., Ltd. Optical pickup and optical information recording and reproducing apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007105704A1 (ja) * 2006-03-14 2007-09-20 Matsushita Electric Industrial Co., Ltd. 光ディスク装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007105704A1 (ja) * 2006-03-14 2007-09-20 Matsushita Electric Industrial Co., Ltd. 光ディスク装置

Cited By (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
US8451703B2 (en) 2010-10-12 2013-05-28 Hitachi Media Electronics Co., Ltd. Optical pickup and optical information recording and reproducing apparatus

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