JPS5313309A - Optically reproducing unit - Google Patents

Optically reproducing unit

Info

Publication number
JPS5313309A
JPS5313309A JP8766076A JP8766076A JPS5313309A JP S5313309 A JPS5313309 A JP S5313309A JP 8766076 A JP8766076 A JP 8766076A JP 8766076 A JP8766076 A JP 8766076A JP S5313309 A JPS5313309 A JP S5313309A
Authority
JP
Japan
Prior art keywords
reproducing unit
optically reproducing
light beam
optically
jump
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
JP8766076A
Other languages
English (en)
Other versions
JPS5931129B2 (ja
Inventor
Kazuo Hirasawa
Yuji Tsuyukuchi
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.)
Teac Corp
Mitsubishi Electric Corp
Original Assignee
Teac Corp
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 Teac Corp, Mitsubishi Electric Corp filed Critical Teac Corp
Priority to JP51087660A priority Critical patent/JPS5931129B2/ja
Publication of JPS5313309A publication Critical patent/JPS5313309A/ja
Publication of JPS5931129B2 publication Critical patent/JPS5931129B2/ja
Expired 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • 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
    • G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors

Landscapes

  • Moving Of Head For Track Selection And Changing (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP51087660A 1976-07-22 1976-07-22 光学的再生装置 Expired JPS5931129B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51087660A JPS5931129B2 (ja) 1976-07-22 1976-07-22 光学的再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51087660A JPS5931129B2 (ja) 1976-07-22 1976-07-22 光学的再生装置

Publications (2)

Publication Number Publication Date
JPS5313309A true JPS5313309A (en) 1978-02-06
JPS5931129B2 JPS5931129B2 (ja) 1984-07-31

Family

ID=13921098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51087660A Expired JPS5931129B2 (ja) 1976-07-22 1976-07-22 光学的再生装置

Country Status (1)

Country Link
JP (1) JPS5931129B2 (ja)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106115A (en) * 1978-02-08 1979-08-20 Matsushita Electric Ind Co Ltd Optical information reading device
JPS57181435A (en) * 1981-05-01 1982-11-08 Toshiba Corp Tracking control circuit for optical disc
JPS5861401A (ja) * 1981-10-07 1983-04-12 Toyoji Yamaguchi ボ−ルの偏重心検査器
JPS58128055A (ja) * 1982-01-24 1983-07-30 Sony Corp デイスクのトラツク・ジヤンプ装置
FR2526200A1 (fr) * 1982-04-28 1983-11-04 Sony Corp Systeme de localisation et de poursuite de piste pour lecteur de disque numerique a rayon laser
JPS5936069U (ja) * 1982-08-30 1984-03-06 三菱電機株式会社 Ｐｃｍデイスク再生装置
JPS605428A (ja) * 1983-06-24 1985-01-12 Nec Home Electronics Ltd 光デイスクプレ−ヤのレンズ駆動回路
JPS628338A (ja) * 1985-07-03 1987-01-16 Pioneer Electronic Corp トラツキングサ−ボ回路
JPS63271773A (ja) * 1988-03-02 1988-11-09 Matsushita Electric Ind Co Ltd ジャンピング走査装置
JPH03110630U (ja) * 1990-12-20 1991-11-13

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0540986Y2 (ja) * 1989-06-13 1993-10-18
WO2020137086A1 (ja) 2018-12-25 2020-07-02 富士高分子工業株式会社 熱伝導組成物及びこれを用いた熱伝導性シート
EP3792305B1 (en) 2019-06-24 2024-03-27 Fuji Polymer Industries Co., Ltd. Heat-tolerant thermally conductive composition and heat-tolerant thermally conductive sheet

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54106115A (en) * 1978-02-08 1979-08-20 Matsushita Electric Ind Co Ltd Optical information reading device
JPS57181435A (en) * 1981-05-01 1982-11-08 Toshiba Corp Tracking control circuit for optical disc
JPS5861401A (ja) * 1981-10-07 1983-04-12 Toyoji Yamaguchi ボ−ルの偏重心検査器
JPS58128055A (ja) * 1982-01-24 1983-07-30 Sony Corp デイスクのトラツク・ジヤンプ装置
FR2526200A1 (fr) * 1982-04-28 1983-11-04 Sony Corp Systeme de localisation et de poursuite de piste pour lecteur de disque numerique a rayon laser
JPH0127184Y2 (ja) * 1982-08-30 1989-08-14
JPS5936069U (ja) * 1982-08-30 1984-03-06 三菱電機株式会社 Ｐｃｍデイスク再生装置
JPS605428A (ja) * 1983-06-24 1985-01-12 Nec Home Electronics Ltd 光デイスクプレ−ヤのレンズ駆動回路
JPS628338A (ja) * 1985-07-03 1987-01-16 Pioneer Electronic Corp トラツキングサ−ボ回路
JP2553499B2 (ja) * 1985-07-03 1996-11-13 パイオニア株式会社 トラツキングサ−ボ回路
JPS63271773A (ja) * 1988-03-02 1988-11-09 Matsushita Electric Ind Co Ltd ジャンピング走査装置
JPH039556B2 (ja) * 1988-03-02 1991-02-08 Matsushita Electric Ind Co Ltd
JPH03110630U (ja) * 1990-12-20 1991-11-13
JPH0621050Y2 (ja) * 1990-12-20 1994-06-01 株式会社東芝 光ディスクのトラッキング制御回路

Also Published As

Publication number Publication date
JPS5931129B2 (ja) 1984-07-31

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