JP2001160234A - 光ピックアップシステム - Google Patents

光ピックアップシステム

Info

Publication number
JP2001160234A
JP2001160234A JP34108199A JP34108199A JP2001160234A JP 2001160234 A JP2001160234 A JP 2001160234A JP 34108199 A JP34108199 A JP 34108199A JP 34108199 A JP34108199 A JP 34108199A JP 2001160234 A JP2001160234 A JP 2001160234A
Authority
JP
Japan
Prior art keywords
lens
light
optical
anamorphic lens
optical pickup
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
JP34108199A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001160234A5 (https=
Inventor
Junichi Kitabayashi
淳一 北林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP34108199A priority Critical patent/JP2001160234A/ja
Publication of JP2001160234A publication Critical patent/JP2001160234A/ja
Publication of JP2001160234A5 publication Critical patent/JP2001160234A5/ja
Pending legal-status Critical Current

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JP34108199A 1999-11-30 1999-11-30 光ピックアップシステム Pending JP2001160234A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP34108199A JP2001160234A (ja) 1999-11-30 1999-11-30 光ピックアップシステム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34108199A JP2001160234A (ja) 1999-11-30 1999-11-30 光ピックアップシステム

Publications (2)

Publication Number Publication Date
JP2001160234A true JP2001160234A (ja) 2001-06-12
JP2001160234A5 JP2001160234A5 (https=) 2005-03-17

Family

ID=18343082

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34108199A Pending JP2001160234A (ja) 1999-11-30 1999-11-30 光ピックアップシステム

Country Status (1)

Country Link
JP (1) JP2001160234A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100423579B1 (ko) * 2000-10-27 2004-03-22 마츠시타 덴끼 산교 가부시키가이샤 광픽업장치 및 광디스크 드라이버
US7292397B2 (en) 2002-11-01 2007-11-06 Koninklijke Philips Electronics N.V. Beam-shaping optical element and method and program for designing the same
US7366079B2 (en) 2002-04-15 2008-04-29 Ricoh Company, Ltd. Optical pickup device and optical disk drive using the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100423579B1 (ko) * 2000-10-27 2004-03-22 마츠시타 덴끼 산교 가부시키가이샤 광픽업장치 및 광디스크 드라이버
US7366079B2 (en) 2002-04-15 2008-04-29 Ricoh Company, Ltd. Optical pickup device and optical disk drive using the same
US7492694B2 (en) 2002-04-15 2009-02-17 Ricoh Company, Ltd. Optical pickup device and optical disk drive using the same
US7292397B2 (en) 2002-11-01 2007-11-06 Koninklijke Philips Electronics N.V. Beam-shaping optical element and method and program for designing the same

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