JPS61140428U - - Google Patents

Info

Publication number
JPS61140428U
JPS61140428U JP1986004493U JP449386U JPS61140428U JP S61140428 U JPS61140428 U JP S61140428U JP 1986004493 U JP1986004493 U JP 1986004493U JP 449386 U JP449386 U JP 449386U JP S61140428 U JPS61140428 U JP S61140428U
Authority
JP
Japan
Prior art keywords
light beam
adjustment means
optical disk
disk drive
drive device
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.)
Pending
Application number
JP1986004493U
Other languages
English (en)
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 filed Critical
Publication of JPS61140428U publication Critical patent/JPS61140428U/ja
Pending 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

Description

【図面の簡単な説明】
第１図は本考案の一実施例の光デイスク駆動装
置の主要部の構造を詳細に示すための断面斜視図
、第３図は第１図の光デイスク駆動装置の主要部
中の光の経路を示す図、第２図は第１図の光デイ
スク駆動装置を上から見た図、第４図は第１図の
光デイスク駆動装置に用いられる光リレー系を説
明するための図である。 ２：ビーム、３：レンズ、４，１５：焦点、５
：レンズ位置決め装置、７：リー・レンズ、８，
１１，１２：鏡、９：回転軸、１０：トルク・モ
ータ、１３：回転アーム、１４：対物レンズ、１
６：光デイスク、２１：光源／検出器アセンブリ
。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 記録層中にトラツクを有する回転デイスク
    を駆動する光デイスク駆動装置において、 シヤシに取付けられ光ビームを発する光源と、 前記シヤシに可動的に取付けられ前記光ビーム
    を受取つて更に伝達する光ビーム中間調節手段と
    、 前記光ビームをスポツトに集束する対物レンズ
    と、 一端が前記シヤシに可動的でかつ前記光ビーム
    中間調節手段と機械的に独立となるように取付け
    られるとともに他端に前記対物レンズを有して前
    記光ビーム中間調節手段から受取つた光ビームを
    前記回転デイスクの記録層に向ける粗位置決め手
    段と を設け、 前記光ビーム中間調節手段は少なくとも２つの
    自由度をもつて前記光ビームを調節するように動
    作する ことを特徴とする光デイスク駆動装置。 (2) 実用新案登録請求の範囲第１項記載の光デ
    イスク駆動装置において、 前記光ビーム中間調節手段は前記スポツトの位
    置を前記対物レンズを通る光ビームの軸方向に調
    節するとともに前記スポツトが前記トラツクの中
    央に位置するように調節することを特徴とする光
    デイスク駆動装置。
JP1986004493U 1985-01-16 1986-01-16 Pending JPS61140428U (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/692,278 US4688201A (en) 1985-01-16 1985-01-16 Focusing and tracking apparatus for an optical data storage device

Publications (1)

Publication Number Publication Date
JPS61140428U true JPS61140428U (ja) 1986-08-30

Family

ID=24779935

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986004493U Pending JPS61140428U (ja) 1985-01-16 1986-01-16

Country Status (4)

Country Link
US (1) US4688201A (ja)
EP (1) EP0188276B1 (ja)
JP (1) JPS61140428U (ja)
DE (1) DE3661662D1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018520379A (ja) * 2015-06-14 2018-07-26 バイバス，チャールズ ビームディレクタ

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3676395D1 (de) * 1985-08-27 1991-02-07 Siemens Ag Positioniereinrichtung fuer einen optischen datenspeicher.
US4768180A (en) * 1986-03-17 1988-08-30 Laser Magnetic Storage International Company Multistage tracking system
US5095473A (en) * 1987-01-30 1992-03-10 Ricoh Company, Ltd. Split type optical pick-up device
US4959824A (en) * 1987-07-31 1990-09-25 Minolta Camera Kabushiki Kaisha Optical information record/pickup head assembly
JPS6448248A (en) * 1987-08-17 1989-02-22 Ricoh Kk Optical pick-up device
US5105408A (en) * 1988-05-12 1992-04-14 Digital Equipment Corporation Optical head with flying lens
JP2501875B2 (ja) * 1988-07-13 1996-05-29 株式会社リコー 光ピックアップ装置
JP2733072B2 (ja) * 1988-11-01 1998-03-30 株式会社リコー 分離型光ピックアップ
US5140572A (en) * 1989-02-22 1992-08-18 Ricoh Company, Ltd. Optical pickup device having fixed and movable optical systems
JPH0323523A (ja) * 1989-06-21 1991-01-31 Sony Corp 光学ヘッド装置
US5153870A (en) * 1989-06-29 1992-10-06 Digital Equipment Corporation Rotary head actuator for optical disk
US5040861A (en) * 1989-08-02 1991-08-20 Optical Recording Corporation Optical scanner
US5029955A (en) * 1989-08-02 1991-07-09 Optical Recording Corporation Optical scanner
US5184002A (en) * 1989-11-24 1993-02-02 Optical Recording Corporation Optical scanner
US5194721A (en) * 1989-11-24 1993-03-16 Optical Recording Corporation Optical scanner
JPH03185639A (ja) * 1989-12-14 1991-08-13 Konica Corp 光ピックアップ
US5184322A (en) * 1990-01-29 1993-02-02 Nathan Okun Optical storage device with a stationary mass storage medium
US5172356A (en) * 1990-06-07 1992-12-15 Ricoh Company, Ltd. Separation type optical pickup device
US5210732A (en) * 1990-11-27 1993-05-11 Matsushita Electric Industrial Co., Ltd. Optical disk apparatus
JPH0594628A (ja) * 1991-04-30 1993-04-16 Fuji Xerox Co Ltd 光学的記録再生装置
JP2695302B2 (ja) * 1991-05-16 1997-12-24 シャープ株式会社 光ピックアップ駆動装置
CA2073802C (en) * 1991-08-16 2003-04-01 John Shimmick Method and apparatus for combined cylindrical and spherical eye corrections
JP2617057B2 (ja) * 1992-02-27 1997-06-04 富士通株式会社 光ディスク装置
US5422872A (en) * 1993-03-08 1995-06-06 Maxoptix Corporation Telecentric rotary actuator in an optical recording system
US5432763A (en) * 1993-03-15 1995-07-11 Hewlett-Packard Company Subminiature rotary actuator optical head
JPH08124208A (ja) * 1994-10-18 1996-05-17 Pioneer Electron Corp ディスクプレーヤ
GB2327291B (en) 1997-06-26 2001-12-12 Asahi Optical Co Ltd Optical system for optical disk drive
US6650604B1 (en) * 1997-12-27 2003-11-18 Pentax Corporation Optical head of disk drive
WO2004059630A1 (en) * 2002-12-30 2004-07-15 Koninklijke Philips Electronics N.V. Optical scanning device
US7645300B2 (en) 2004-02-02 2010-01-12 Visiogen, Inc. Injector for intraocular lens system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130422A (ja) * 1974-09-09 1976-03-15 Victor Company Of Japan
JPS53147507A (en) * 1977-05-27 1978-12-22 Nippon Telegr & Teleph Corp <Ntt> Focus position controller
JPS58108038A (ja) * 1981-12-19 1983-06-28 Fujitsu Ltd 光学式情報再生装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE21105E (en) * 1926-05-21 1939-05-30 Picture telegraphy
US3349174A (en) * 1964-02-03 1967-10-24 Raytheon Co Beam scanning device
DE2337015C2 (de) * 1973-07-20 1983-07-14 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur optischen Abtastung einer um eine vertikale Rotationsachse sich drehenden Platte
JPS598892B2 (ja) * 1975-06-19 1984-02-28 ソニー株式会社 信号の光学的記録再生装置
FR2335861A1 (fr) * 1975-12-16 1977-07-15 Thomson Brandt Dispositif de focalisation et lecteur optique comportant un tel dispositif
JPS5611673A (en) * 1979-07-03 1981-02-05 Pioneer Video Corp Address information retrieval method in information recording medium reproducing unit
US4322838A (en) * 1980-02-11 1982-03-30 Hewlett-Packard Company Dynamic focus adjustment for transmissive or reflective optical disc memory systems

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130422A (ja) * 1974-09-09 1976-03-15 Victor Company Of Japan
JPS53147507A (en) * 1977-05-27 1978-12-22 Nippon Telegr & Teleph Corp <Ntt> Focus position controller
JPS58108038A (ja) * 1981-12-19 1983-06-28 Fujitsu Ltd 光学式情報再生装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018520379A (ja) * 2015-06-14 2018-07-26 バイバス，チャールズ ビームディレクタ

Also Published As

Publication number Publication date
EP0188276B1 (en) 1989-01-04
EP0188276A1 (en) 1986-07-23
US4688201A (en) 1987-08-18
DE3661662D1 (en) 1989-02-09

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