JP2002032928A5 - - Google Patents

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Publication number
JP2002032928A5
JP2002032928A5 JP2000216815A JP2000216815A JP2002032928A5 JP 2002032928 A5 JP2002032928 A5 JP 2002032928A5 JP 2000216815 A JP2000216815 A JP 2000216815A JP 2000216815 A JP2000216815 A JP 2000216815A JP 2002032928 A5 JP2002032928 A5 JP 2002032928A5
Authority
JP
Japan
Prior art keywords
light
wavelength
head device
optical head
incident
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
JP2000216815A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002032928A (ja
Filing date
Publication date
Application filed filed Critical
Priority to JP2000216815A priority Critical patent/JP2002032928A/ja
Priority claimed from JP2000216815A external-priority patent/JP2002032928A/ja
Priority to US09/727,521 priority patent/US6510119B2/en
Publication of JP2002032928A publication Critical patent/JP2002032928A/ja
Publication of JP2002032928A5 publication Critical patent/JP2002032928A5/ja
Pending legal-status Critical Current

Links

JP2000216815A 2000-07-18 2000-07-18 光ヘッド装置 Pending JP2002032928A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000216815A JP2002032928A (ja) 2000-07-18 2000-07-18 光ヘッド装置
US09/727,521 US6510119B2 (en) 2000-07-18 2000-12-04 Optical head device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000216815A JP2002032928A (ja) 2000-07-18 2000-07-18 光ヘッド装置

Publications (2)

Publication Number Publication Date
JP2002032928A JP2002032928A (ja) 2002-01-31
JP2002032928A5 true JP2002032928A5 (enExample) 2005-07-28

Family

ID=18712012

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000216815A Pending JP2002032928A (ja) 2000-07-18 2000-07-18 光ヘッド装置

Country Status (2)

Country Link
US (1) US6510119B2 (enExample)
JP (1) JP2002032928A (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001256670A (ja) * 2000-03-10 2001-09-21 Sony Corp 光学ピックアップ装置及び光ディスク装置
US20040156302A1 (en) * 2003-01-07 2004-08-12 Matsushita Electric Industrial Co., Ltd. Optical head
KR100497382B1 (ko) * 2003-01-16 2005-06-23 삼성전자주식회사 호환형 광픽업장치
JP4644471B2 (ja) * 2004-11-10 2011-03-02 株式会社日立メディアエレクトロニクス 光ピックアップ及び光ディスクシステム
JP4752677B2 (ja) * 2006-08-24 2011-08-17 船井電機株式会社 光ピックアップ装置
US20080151339A1 (en) 2006-12-21 2008-06-26 Shigeru Oouchida Light source unit and optical detection unit
CN109555998B (zh) * 2018-12-07 2024-02-13 珠海博明视觉科技有限公司 一种平面同轴光源

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4942584A (en) 1988-06-22 1990-07-17 Morihiro Karaki Semiconductor laser apparatus driving system
JP3670091B2 (ja) 1996-10-04 2005-07-13 株式会社三協精機製作所 光ピックアップ
US6163409A (en) * 1996-10-30 2000-12-19 Kabushiki Kaisha Toshiba Optical head, optical component for use therein, method of manufacturing the same, and optical disk apparatus
US6195315B1 (en) * 1997-07-11 2001-02-27 Ricoh Company, Ltd. Optical disk apparatus compatible with different types of mediums
JPH11296893A (ja) 1998-04-14 1999-10-29 Ricoh Co Ltd 光ピックアップ

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