JPH0531218B2 - - Google Patents

Info

Publication number
JPH0531218B2
JPH0531218B2 JP57197605A JP19760582A JPH0531218B2 JP H0531218 B2 JPH0531218 B2 JP H0531218B2 JP 57197605 A JP57197605 A JP 57197605A JP 19760582 A JP19760582 A JP 19760582A JP H0531218 B2 JPH0531218 B2 JP H0531218B2
Authority
JP
Japan
Prior art keywords
holder
lens
semiconductor laser
lens holder
lens system
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.)
Expired - Lifetime
Application number
JP57197605A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5990241A (ja
Inventor
Norya Kaneda
Teruaki Tokutomi
Koichi Yabuchi
Sadao Takahashi
Shigeru Nakamura
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.)
Hitachi Ltd
Hitachi High Tech Corp
Original Assignee
Hitachi Ltd
Hitachi Electronics Engineering 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 Hitachi Ltd, Hitachi Electronics Engineering Co Ltd filed Critical Hitachi Ltd
Priority to JP57197605A priority Critical patent/JPS5990241A/ja
Publication of JPS5990241A publication Critical patent/JPS5990241A/ja
Publication of JPH0531218B2 publication Critical patent/JPH0531218B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Head (AREA)
JP57197605A 1982-11-12 1982-11-12 光源装置 Granted JPS5990241A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57197605A JPS5990241A (ja) 1982-11-12 1982-11-12 光源装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57197605A JPS5990241A (ja) 1982-11-12 1982-11-12 光源装置

Publications (2)

Publication Number Publication Date
JPS5990241A JPS5990241A (ja) 1984-05-24
JPH0531218B2 true JPH0531218B2 (en]) 1993-05-12

Family

ID=16377245

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57197605A Granted JPS5990241A (ja) 1982-11-12 1982-11-12 光源装置

Country Status (1)

Country Link
JP (1) JPS5990241A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH082813Y2 (ja) * 1985-09-19 1996-01-29 パイオニア株式会社 光学式ピツクアツプ装置
JP2004133962A (ja) 2002-10-08 2004-04-30 Pioneer Electronic Corp ピックアップ装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1040792A (en) * 1964-02-24 1966-09-01 Nat Res Dev Optical systems for lasers
JPS51126844A (en) * 1975-04-26 1976-11-05 Yasuhiro Suenaga A mirror holder
JPS60858B2 (ja) * 1978-12-18 1985-01-10 日本赤外線工業株式会社 多関節反射鏡式マニピユレータ

Also Published As

Publication number Publication date
JPS5990241A (ja) 1984-05-24

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