JPH0434206B2 - - Google Patents

Info

Publication number
JPH0434206B2
JPH0434206B2 JP58057255A JP5725583A JPH0434206B2 JP H0434206 B2 JPH0434206 B2 JP H0434206B2 JP 58057255 A JP58057255 A JP 58057255A JP 5725583 A JP5725583 A JP 5725583A JP H0434206 B2 JPH0434206 B2 JP H0434206B2
Authority
JP
Japan
Prior art keywords
photodetector
holder
optical
cylindrical lenses
lens
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
JP58057255A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59146455A (ja
Inventor
Kyobumi Chikuma
Yoshihiro Uchiumi
Tadashi Ogawa
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic Corp
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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Priority to JP5725583A priority Critical patent/JPS59146455A/ja
Publication of JPS59146455A publication Critical patent/JPS59146455A/ja
Publication of JPH0434206B2 publication Critical patent/JPH0434206B2/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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements

Landscapes

  • Mounting And Adjusting Of Optical Elements (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP5725583A 1983-03-31 1983-03-31 光学式ピツクアツプ装置 Granted JPS59146455A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5725583A JPS59146455A (ja) 1983-03-31 1983-03-31 光学式ピツクアツプ装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5725583A JPS59146455A (ja) 1983-03-31 1983-03-31 光学式ピツクアツプ装置

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP58021301A Division JPS59146453A (ja) 1983-02-09 1983-02-09 光学式ピツクアツプ装置

Publications (2)

Publication Number Publication Date
JPS59146455A JPS59146455A (ja) 1984-08-22
JPH0434206B2 true JPH0434206B2 (US06272168-20010807-M00014.png) 1992-06-05

Family

ID=13050415

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5725583A Granted JPS59146455A (ja) 1983-03-31 1983-03-31 光学式ピツクアツプ装置

Country Status (1)

Country Link
JP (1) JPS59146455A (US06272168-20010807-M00014.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61206927A (ja) * 1985-03-08 1986-09-13 Matsushita Electric Ind Co Ltd 光ピツクアツプ装置
DE3677645D1 (de) * 1985-07-05 1991-04-04 Mitsubishi Electric Corp Optischer signalabnehmer.
JPH075541Y2 (ja) * 1986-01-24 1995-02-08 旭光学工業株式会社 半導体レ−ザ−のビ−ム補正ユニツト
JP2013078780A (ja) * 2011-10-04 2013-05-02 Mitsuboshi Diamond Industrial Co Ltd レーザ加工装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128706A (en) * 1978-06-14 1979-10-05 Mansei Kogyo Kk Device for adjusting position of cylindrical lens for optical information reader

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54128706A (en) * 1978-06-14 1979-10-05 Mansei Kogyo Kk Device for adjusting position of cylindrical lens for optical information reader

Also Published As

Publication number Publication date
JPS59146455A (ja) 1984-08-22

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