JPH1125496A - 光学ヘッド - Google Patents

光学ヘッド

Info

Publication number
JPH1125496A
JPH1125496A JP9177093A JP17709397A JPH1125496A JP H1125496 A JPH1125496 A JP H1125496A JP 9177093 A JP9177093 A JP 9177093A JP 17709397 A JP17709397 A JP 17709397A JP H1125496 A JPH1125496 A JP H1125496A
Authority
JP
Japan
Prior art keywords
light
optical head
light receiving
emitting element
aperture
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
JP9177093A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1125496A5 (enExample
Inventor
Bunchiyou Yamazaki
文朝 山崎
Hideki Aiko
秀樹 愛甲
Makoto Takashima
誠 高嶋
Hirotoshi Tomita
浩稔 冨田
Takuo Hayashi
卓生 林
Akihiro Arai
昭浩 荒井
Toru Nakamura
徹 中村
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP9177093A priority Critical patent/JPH1125496A/ja
Publication of JPH1125496A publication Critical patent/JPH1125496A/ja
Publication of JPH1125496A5 publication Critical patent/JPH1125496A5/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Head (AREA)
JP9177093A 1997-07-02 1997-07-02 光学ヘッド Pending JPH1125496A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9177093A JPH1125496A (ja) 1997-07-02 1997-07-02 光学ヘッド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9177093A JPH1125496A (ja) 1997-07-02 1997-07-02 光学ヘッド

Publications (2)

Publication Number Publication Date
JPH1125496A true JPH1125496A (ja) 1999-01-29
JPH1125496A5 JPH1125496A5 (enExample) 2005-04-07

Family

ID=16025018

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9177093A Pending JPH1125496A (ja) 1997-07-02 1997-07-02 光学ヘッド

Country Status (1)

Country Link
JP (1) JPH1125496A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005112016A1 (ja) * 2004-05-13 2005-11-24 Sharp Kabushiki Kaisha 複合光学素子、光集積ユニットおよび光ピックアップ装置
US7792005B2 (en) 2006-05-26 2010-09-07 Sharp Kabushiki Kaisha Optical pickup apparatus
US8068388B2 (en) 2005-03-08 2011-11-29 Panasonic Corporation Optical pick up and optical disc device having optical shield for suppressing the influence of stray light through hologram element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005112016A1 (ja) * 2004-05-13 2005-11-24 Sharp Kabushiki Kaisha 複合光学素子、光集積ユニットおよび光ピックアップ装置
US8068388B2 (en) 2005-03-08 2011-11-29 Panasonic Corporation Optical pick up and optical disc device having optical shield for suppressing the influence of stray light through hologram element
US7792005B2 (en) 2006-05-26 2010-09-07 Sharp Kabushiki Kaisha Optical pickup apparatus

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