JPH026134B2 - - Google Patents

Info

Publication number
JPH026134B2
JPH026134B2 JP14973380A JP14973380A JPH026134B2 JP H026134 B2 JPH026134 B2 JP H026134B2 JP 14973380 A JP14973380 A JP 14973380A JP 14973380 A JP14973380 A JP 14973380A JP H026134 B2 JPH026134 B2 JP H026134B2
Authority
JP
Japan
Prior art keywords
head
optical
optical head
track access
main body
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
Application number
JP14973380A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5774839A (en
Inventor
Susumu Yonezawa
Kikuji Kato
Akinori Watabe
Hiroo Ukita
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP14973380A priority Critical patent/JPS5774839A/ja
Publication of JPS5774839A publication Critical patent/JPS5774839A/ja
Publication of JPH026134B2 publication Critical patent/JPH026134B2/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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP14973380A 1980-10-25 1980-10-25 Optical head Granted JPS5774839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14973380A JPS5774839A (en) 1980-10-25 1980-10-25 Optical head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14973380A JPS5774839A (en) 1980-10-25 1980-10-25 Optical head

Publications (2)

Publication Number Publication Date
JPS5774839A JPS5774839A (en) 1982-05-11
JPH026134B2 true JPH026134B2 (US08197722-20120612-C00042.png) 1990-02-07

Family

ID=15481618

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14973380A Granted JPS5774839A (en) 1980-10-25 1980-10-25 Optical head

Country Status (1)

Country Link
JP (1) JPS5774839A (US08197722-20120612-C00042.png)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5936033U (ja) * 1982-08-31 1984-03-06 日本電気ホームエレクトロニクス株式会社 光学式ピツクアツプ
JPS5965941A (ja) * 1982-10-06 1984-04-14 Alps Electric Co Ltd 対物レンズ駆動装置
JPS5965943A (ja) * 1982-10-06 1984-04-14 Alps Electric Co Ltd 対物レンズ駆動装置
JPS5965940A (ja) * 1982-10-06 1984-04-14 Alps Electric Co Ltd 対物レンズ駆動装置
JPS5965942A (ja) * 1982-10-06 1984-04-14 Alps Electric Co Ltd 対物レンズ駆動装置
JPS5987630A (ja) * 1982-11-10 1984-05-21 Hitachi Ltd 光学ヘツド駆動装置
JPS5999225U (ja) * 1982-12-23 1984-07-05 日本電気ホームエレクトロニクス株式会社 光学式ピツクアツプ装置
JPS59195336A (ja) * 1983-04-19 1984-11-06 Sharp Corp 光集束位置制御装置
JPS59193551A (ja) * 1983-04-18 1984-11-02 Sharp Corp 光集束位置制御装置
JPH045058Y2 (US08197722-20120612-C00042.png) * 1984-12-28 1992-02-13
JPS61214230A (ja) * 1985-03-20 1986-09-24 Hitachi Ltd 光デイスク装置
JPH0722744Y2 (ja) * 1986-04-22 1995-05-24 京セラ株式会社 光ピツクアツプ
JPH0746426B2 (ja) * 1986-04-22 1995-05-17 京セラ株式会社 高速ランダムアクセス方法
JPH0738254B2 (ja) * 1986-06-09 1995-04-26 富士通株式会社 光ディスク装置のトラッキング回路
JPH0775077B2 (ja) * 1987-01-22 1995-08-09 松下電器産業株式会社 光デイスク装置
JP2565408B2 (ja) * 1989-12-28 1996-12-18 日本マランツ株式会社 光学式ピックアップのトラッキングに対するブレーキ回路
JP2606545B2 (ja) * 1993-04-02 1997-05-07 株式会社日立製作所 情報記憶装置

Also Published As

Publication number Publication date
JPS5774839A (en) 1982-05-11

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