JPS589225A - 光ピックアップ - Google Patents

光ピックアップ

Info

Publication number
JPS589225A
JPS589225A JP56105908A JP10590881A JPS589225A JP S589225 A JPS589225 A JP S589225A JP 56105908 A JP56105908 A JP 56105908A JP 10590881 A JP10590881 A JP 10590881A JP S589225 A JPS589225 A JP S589225A
Authority
JP
Japan
Prior art keywords
semiconductor laser
beam splitter
disk
optical pickup
electrostrictive element
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.)
Granted
Application number
JP56105908A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6232529B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Riichi Saeki
佐伯　利一
Yoshio Miyake
三宅　良雄
Toshio Takei
竹居　敏夫
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP56105908A priority Critical patent/JPS589225A/ja
Publication of JPS589225A publication Critical patent/JPS589225A/ja
Publication of JPS6232529B2 publication Critical patent/JPS6232529B2/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

  • Mechanical Optical Scanning Systems (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
JP56105908A 1981-07-07 1981-07-07 光ピックアップ Granted JPS589225A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56105908A JPS589225A (ja) 1981-07-07 1981-07-07 光ピックアップ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56105908A JPS589225A (ja) 1981-07-07 1981-07-07 光ピックアップ

Publications (2)

Publication Number Publication Date
JPS589225A true JPS589225A (ja) 1983-01-19
JPS6232529B2 JPS6232529B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-07-15

Family

ID=14419962

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56105908A Granted JPS589225A (ja) 1981-07-07 1981-07-07 光ピックアップ

Country Status (1)

Country Link
JP (1) JPS589225A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60129942A (ja) * 1983-12-16 1985-07-11 Hitachi Ltd 光ヘツド装置
JPS60132619U (ja) * 1984-02-15 1985-09-04 パイオニア株式会社 光学式情報読取装置におけるピツクアツプ装置
JPH02248907A (ja) * 1989-03-22 1990-10-04 Matsushita Electric Ind Co Ltd 光学鏡筒

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60129942A (ja) * 1983-12-16 1985-07-11 Hitachi Ltd 光ヘツド装置
JPS60132619U (ja) * 1984-02-15 1985-09-04 パイオニア株式会社 光学式情報読取装置におけるピツクアツプ装置
JPH02248907A (ja) * 1989-03-22 1990-10-04 Matsushita Electric Ind Co Ltd 光学鏡筒

Also Published As

Publication number Publication date
JPS6232529B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-07-15

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