JP5294894B2 - 光ディスク装置及び光ヘッド装置 - Google Patents

光ディスク装置及び光ヘッド装置 Download PDF

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Publication number
JP5294894B2
JP5294894B2 JP2009008756A JP2009008756A JP5294894B2 JP 5294894 B2 JP5294894 B2 JP 5294894B2 JP 2009008756 A JP2009008756 A JP 2009008756A JP 2009008756 A JP2009008756 A JP 2009008756A JP 5294894 B2 JP5294894 B2 JP 5294894B2
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Japan
Prior art keywords
light
light receiving
photodetector
optical
diffracted
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Expired - Fee Related
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JP2009008756A
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Japanese (ja)
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JP2010165437A5 (enExample
JP2010165437A (ja
Inventor
宏勲 中原
正幸 大牧
賢也 中井
俊哉 的崎
伸夫 竹下
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Priority to JP2009008756A priority Critical patent/JP5294894B2/ja
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Publication of JP2010165437A5 publication Critical patent/JP2010165437A5/ja
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JP2009008756A 2009-01-19 2009-01-19 光ディスク装置及び光ヘッド装置 Expired - Fee Related JP5294894B2 (ja)

Priority Applications (1)

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JP2009008756A JP5294894B2 (ja) 2009-01-19 2009-01-19 光ディスク装置及び光ヘッド装置

Applications Claiming Priority (1)

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JP2009008756A JP5294894B2 (ja) 2009-01-19 2009-01-19 光ディスク装置及び光ヘッド装置

Publications (3)

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JP2010165437A JP2010165437A (ja) 2010-07-29
JP2010165437A5 JP2010165437A5 (enExample) 2012-01-19
JP5294894B2 true JP5294894B2 (ja) 2013-09-18

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JP2009008756A Expired - Fee Related JP5294894B2 (ja) 2009-01-19 2009-01-19 光ディスク装置及び光ヘッド装置

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JP (1) JP5294894B2 (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014157636A (ja) * 2011-05-30 2014-08-28 Sanyo Electric Co Ltd 光ピックアップ装置
JP6064760B2 (ja) * 2013-04-15 2017-01-25 船井電機株式会社 光ピックアップ装置および光ディスク装置
JP6288233B2 (ja) * 2016-12-19 2018-03-07 船井電機株式会社 光ピックアップ装置および光ディスク装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004281026A (ja) * 2002-08-23 2004-10-07 Matsushita Electric Ind Co Ltd 光ピックアップヘッド装置及び光情報装置及び光情報再生方法
JPWO2008053548A1 (ja) * 2006-11-01 2010-02-25 パイオニア株式会社 ピックアップ装置
JP2008269756A (ja) * 2007-03-28 2008-11-06 Mitsubishi Electric Corp 光ピックアップ装置および光ディスク装置

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JP2010165437A (ja) 2010-07-29

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