JP2000276758A - 光ヘッド装置 - Google Patents

光ヘッド装置

Info

Publication number
JP2000276758A
JP2000276758A JP11077460A JP7746099A JP2000276758A JP 2000276758 A JP2000276758 A JP 2000276758A JP 11077460 A JP11077460 A JP 11077460A JP 7746099 A JP7746099 A JP 7746099A JP 2000276758 A JP2000276758 A JP 2000276758A
Authority
JP
Japan
Prior art keywords
light
optical head
head device
incident
refractive index
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
JP11077460A
Other languages
English (en)
Japanese (ja)
Other versions
JP2000276758A5 (enExample
Inventor
Hiroyuki Yamazaki
博行 山崎
Manami Kuiseko
真奈美 杭迫
Yasushi Kobayashi
恭 小林
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.)
Minolta Co Ltd
Original Assignee
Minolta 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 Minolta Co Ltd filed Critical Minolta Co Ltd
Priority to JP11077460A priority Critical patent/JP2000276758A/ja
Priority to US09/448,467 priority patent/US6831886B1/en
Publication of JP2000276758A publication Critical patent/JP2000276758A/ja
Priority to US10/863,341 priority patent/US20050083827A1/en
Publication of JP2000276758A5 publication Critical patent/JP2000276758A5/ja
Priority to US11/489,484 priority patent/US7489617B2/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP11077460A 1998-11-27 1999-03-23 光ヘッド装置 Pending JP2000276758A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP11077460A JP2000276758A (ja) 1999-03-23 1999-03-23 光ヘッド装置
US09/448,467 US6831886B1 (en) 1998-11-27 1999-11-24 Optical head and optical head device
US10/863,341 US20050083827A1 (en) 1998-11-27 2004-06-09 Optical head and optical head device
US11/489,484 US7489617B2 (en) 1998-11-27 2006-07-20 Optical head and optical head device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11077460A JP2000276758A (ja) 1999-03-23 1999-03-23 光ヘッド装置

Publications (2)

Publication Number Publication Date
JP2000276758A true JP2000276758A (ja) 2000-10-06
JP2000276758A5 JP2000276758A5 (enExample) 2006-05-18

Family

ID=13634634

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11077460A Pending JP2000276758A (ja) 1998-11-27 1999-03-23 光ヘッド装置

Country Status (1)

Country Link
JP (1) JP2000276758A (enExample)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100446726B1 (ko) * 2001-11-27 2004-09-01 엘지전자 주식회사 근접장 광기록재생장치
JP2009217914A (ja) * 2008-03-12 2009-09-24 Sanyo Electric Co Ltd 光ピックアップ装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100446726B1 (ko) * 2001-11-27 2004-09-01 엘지전자 주식회사 근접장 광기록재생장치
JP2009217914A (ja) * 2008-03-12 2009-09-24 Sanyo Electric Co Ltd 光ピックアップ装置

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