JP2004039161A5 - - Google Patents

Download PDF

Info

Publication number
JP2004039161A5
JP2004039161A5 JP2002197026A JP2002197026A JP2004039161A5 JP 2004039161 A5 JP2004039161 A5 JP 2004039161A5 JP 2002197026 A JP2002197026 A JP 2002197026A JP 2002197026 A JP2002197026 A JP 2002197026A JP 2004039161 A5 JP2004039161 A5 JP 2004039161A5
Authority
JP
Japan
Prior art keywords
objective lens
information recording
light
optical
recording medium
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
JP2002197026A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004039161A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2002197026A priority Critical patent/JP2004039161A/ja
Priority claimed from JP2002197026A external-priority patent/JP2004039161A/ja
Publication of JP2004039161A publication Critical patent/JP2004039161A/ja
Publication of JP2004039161A5 publication Critical patent/JP2004039161A5/ja
Pending legal-status Critical Current

Links

JP2002197026A 2002-07-05 2002-07-05 対物レンズおよび光ヘッド装置 Pending JP2004039161A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002197026A JP2004039161A (ja) 2002-07-05 2002-07-05 対物レンズおよび光ヘッド装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002197026A JP2004039161A (ja) 2002-07-05 2002-07-05 対物レンズおよび光ヘッド装置

Publications (2)

Publication Number Publication Date
JP2004039161A JP2004039161A (ja) 2004-02-05
JP2004039161A5 true JP2004039161A5 (enExample) 2005-10-27

Family

ID=31704900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002197026A Pending JP2004039161A (ja) 2002-07-05 2002-07-05 対物レンズおよび光ヘッド装置

Country Status (1)

Country Link
JP (1) JP2004039161A (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8223442B2 (en) 2007-01-29 2012-07-17 Hoya Corporation Objective lens for optical pick-up
JP2008217886A (ja) * 2007-03-02 2008-09-18 Sanyo Electric Co Ltd 光ピックアップ装置
JP5025349B2 (ja) 2007-06-25 2012-09-12 三洋電機株式会社 光ピックアップ装置
JP2011233232A (ja) * 2011-07-19 2011-11-17 Sanyo Electric Co Ltd 光ピックアップ装置

Similar Documents

Publication Publication Date Title
EP1313095A3 (en) Compatible optical pickup
EP1102250A3 (en) Optical pickup apparatus and objective lens
RU97117463A (ru) Линза объектива и устройство оптического датчика с линзой объектива
JP2006309809A5 (enExample)
JP2002116314A5 (enExample)
CA2278416A1 (en) Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk
JP2001344795A5 (enExample)
CN1201306C (zh) 与可读写光盘兼容的数字通用盘的光记录和拾取头
JP2003344760A5 (enExample)
JP2004039161A5 (enExample)
JP2004039046A5 (enExample)
JP2003242644A5 (enExample)
JP2001126297A5 (enExample)
JP2007157288A5 (enExample)
JP2002032928A5 (enExample)
JP2005322357A5 (enExample)
JP2005327402A5 (enExample)
JP2005038581A5 (enExample)
CN100412969C (zh) 光学系统及使用所述光学系统的光学记录/再现装置
JP2004039161A (ja) 対物レンズおよび光ヘッド装置
TW200606909A (en) Optical pickup and optical disc apparatus
JP2001143305A5 (enExample)
JP2006048794A5 (enExample)
JP2005327401A5 (enExample)
US20040105169A1 (en) Object lens system and optical pick-up apparatus