DE3267335D1 - Optical information reading apparatus - Google Patents

Optical information reading apparatus

Info

Publication number
DE3267335D1
DE3267335D1 DE8282300216T DE3267335T DE3267335D1 DE 3267335 D1 DE3267335 D1 DE 3267335D1 DE 8282300216 T DE8282300216 T DE 8282300216T DE 3267335 T DE3267335 T DE 3267335T DE 3267335 D1 DE3267335 D1 DE 3267335D1
Authority
DE
Germany
Prior art keywords
optical information
reading apparatus
information reading
optical
reading
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
DE8282300216T
Other languages
English (en)
Inventor
Katsuaki Tsurushima
Kenji Shintani
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE3267335D1 publication Critical patent/DE3267335D1/de
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
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
    • 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
DE8282300216T 1981-01-16 1982-01-15 Optical information reading apparatus Expired DE3267335D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56005783A JPS57120240A (en) 1981-01-16 1981-01-16 Optical disk player

Publications (1)

Publication Number Publication Date
DE3267335D1 true DE3267335D1 (en) 1985-12-19

Family

ID=11620698

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8282300216T Expired DE3267335D1 (en) 1981-01-16 1982-01-15 Optical information reading apparatus

Country Status (4)

Country Link
US (1) US4482988A (de)
EP (1) EP0057070B1 (de)
JP (1) JPS57120240A (de)
DE (1) DE3267335D1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57210456A (en) * 1981-06-22 1982-12-24 Sony Corp Objective lens device
DE3302918A1 (de) * 1982-01-28 1983-08-04 Ricoh Co., Ltd., Tokyo Optische aufzeichnungs- und/oder leseeinrichtung
JPS59104735A (ja) * 1982-12-08 1984-06-16 Sony Corp 対物レンズ駆動装置
US4598989A (en) * 1982-12-23 1986-07-08 Konishiroku Photo Industry Co. Ltd. Camera
US4519691A (en) * 1983-03-04 1985-05-28 Konishiroku Photo Industry Co., Ltd. Photographic taking lens driving means
US4566089A (en) * 1983-03-30 1986-01-21 Mitsubishi Denki Kabushiki Kaisha Deviation correction apparatus for optical disc light beams
JPS59188846A (ja) * 1983-03-30 1984-10-26 Nec Home Electronics Ltd 光学式ピツクアツプ装置
USRE33548E (en) * 1983-03-30 1991-03-05 Mitsubishi Denki Kabushiki Kaisha Deviation correction apparatus for optical disc light beams
JPS59198542A (ja) * 1983-04-26 1984-11-10 Sony Corp 光学デイスクプレ−ヤ
JPS602063A (ja) * 1983-05-20 1985-01-08 Canon Inc コアレスモ−タ
NL8304141A (nl) * 1983-12-01 1985-07-01 Philips Nv Electro-optische inrichting voor de electro-dynamische regeling van de positie van een stralingsvlek.
US4682854A (en) * 1984-01-10 1987-07-28 Canon Kabushiki Kaisha Lens barrel incorporating a motor
JPH065585B2 (ja) * 1984-02-15 1994-01-19 株式会社日立製作所 光磁気記憶装置
EP0180767B1 (de) * 1984-10-11 1990-01-31 Hitachi, Ltd. Halterung für optische Linse
JPH0668843B2 (ja) * 1985-08-16 1994-08-31 ソニー株式会社 光学ピツクアツプ装置
US5001694A (en) * 1986-05-06 1991-03-19 Pencom International Corp. Tracking and focus actuator for a holographic optical head
US4879706A (en) * 1987-07-29 1989-11-07 Laser Magnetic Storage International Company Method and apparatus for focus and tracking in an optical disk system
JPH02216627A (ja) * 1989-02-15 1990-08-29 Mitsubishi Electric Corp 光ヘッド
US5046819A (en) * 1990-04-16 1991-09-10 International Business Machines Corporation Objective lens support having rotary and axial motions for use in an optical disk apparatus

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5838866B2 (ja) * 1973-12-13 1983-08-25 キヤノン株式会社 フジヨウソウチ
US4003059A (en) * 1974-02-07 1977-01-11 Canon Kabushiki Kaisha Optical recorder having focus controlling means
NL164689C (nl) * 1975-03-10 1981-01-15 Philips Nv Optische focusseerinrichting voor het focusseren van een stralingsbundel.
DE2661051C2 (de) * 1975-10-08 1987-10-29 Olympus Optical Co., Ltd., Tokio/Tokyo, Jp
NL176315C (nl) * 1976-05-12 1985-03-18 Philips Nv Optische aftastinrichting.
NL7703232A (nl) * 1977-03-25 1978-09-27 Philips Nv Optische aftastinrichting.
JPS6032265B2 (ja) * 1977-04-19 1985-07-26 ソニー株式会社 光学式再生装置の焦点制御装置
NL7713711A (nl) * 1977-12-12 1979-06-14 Philips Nv Optisch uitleeseenheid voor het uitlezen van een bewegende informatiedrager, in het bijzonder voor het uitlezen van een videoplaat.
US4302830A (en) * 1978-05-10 1981-11-24 Olympus Optical Company Ltd. Optical information reading-out apparatus
FR2443734A1 (fr) * 1978-12-08 1980-07-04 Thomson Csf Dispositif d'acces a une piste portee par un support enregistrable ou lisible optiquement et systeme optique comportant un tel dispositif
JPS6030017B2 (ja) * 1979-03-01 1985-07-13 三菱電機株式会社 ディスク再生装置
NL7904618A (nl) * 1979-06-13 1980-12-16 Philips Nv Optische focusseerinrichting.
GB2060927B (en) * 1979-07-24 1984-02-01 Universal Pioneer Corp Signal reading device for optical discs
JPS56119944A (en) * 1980-02-27 1981-09-19 Sony Corp Disc player
JPS576444A (en) * 1980-06-16 1982-01-13 Olympus Optical Co Ltd Objective lens driving device

Also Published As

Publication number Publication date
EP0057070A3 (en) 1983-03-16
US4482988A (en) 1984-11-13
EP0057070A2 (de) 1982-08-04
JPS57120240A (en) 1982-07-27
EP0057070B1 (de) 1985-11-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition