DE3482011D1 - Optische plattenspieler. - Google Patents

Optische plattenspieler.

Info

Publication number
DE3482011D1
DE3482011D1 DE8484300827T DE3482011T DE3482011D1 DE 3482011 D1 DE3482011 D1 DE 3482011D1 DE 8484300827 T DE8484300827 T DE 8484300827T DE 3482011 T DE3482011 T DE 3482011T DE 3482011 D1 DE3482011 D1 DE 3482011D1
Authority
DE
Germany
Prior art keywords
optical turntable
turntable
optical
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 - Lifetime
Application number
DE8484300827T
Other languages
English (en)
Inventor
Hajime C O Patent Divisio Yano
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 DE3482011D1 publication Critical patent/DE3482011D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G11B7/09—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
    • G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
    • G11B7/0956—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
DE8484300827T 1983-02-10 1984-02-09 Optische plattenspieler. Expired - Lifetime DE3482011D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58019732A JPS59146448A (ja) 1983-02-10 1983-02-10 光学式デイスク・プレ−ヤ

Publications (1)

Publication Number Publication Date
DE3482011D1 true DE3482011D1 (de) 1990-05-23

Family

ID=12007485

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484300827T Expired - Lifetime DE3482011D1 (de) 1983-02-10 1984-02-09 Optische plattenspieler.

Country Status (5)

Country Link
US (1) US4608680A (de)
EP (1) EP0116467B1 (de)
JP (1) JPS59146448A (de)
CA (1) CA1212765A (de)
DE (1) DE3482011D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5919250A (ja) * 1982-07-21 1984-01-31 Hitachi Ltd 情報の記録再生装置
JPS60195745A (ja) * 1984-03-16 1985-10-04 Pioneer Electronic Corp トラツキングサ−ボ信号生成方式
US4737946A (en) * 1984-09-03 1988-04-12 Omron Tateisi Electronics Co. Device for processing optical data with improved optical allignment means
NL8500592A (nl) * 1985-03-04 1986-10-01 Philips Nv Electro-optische inrichting.
EP0237682B1 (de) * 1985-12-24 1991-02-27 Kabushiki Kaisha Toshiba Steuersystem für ein Gerät zur Wiedergabe optischer Informationen
JPH0619845B2 (ja) * 1986-09-26 1994-03-16 ティアツク株式会社 デイスク変動状態検出装置
JPS63257925A (ja) * 1987-04-15 1988-10-25 Nippon Coinco:Kk 光ヘツドの焦点制御信号検出装置
JP2518907B2 (ja) * 1988-10-31 1996-07-31 パイオニア株式会社 光ディスクプレ―ヤのチルトサ―ボ装置
JP2866160B2 (ja) * 1990-07-19 1999-03-08 パイオニア株式会社 光学式ディスクプレーヤ
DE4028703A1 (de) * 1990-09-10 1992-03-12 Thomson Brandt Gmbh Verfahren zum messen oder regeln des radial- und tangentialwinkels eines lichtstrahls
US5412640A (en) * 1990-09-10 1995-05-02 Deutsche Thomson-Brandt Gmbh Method for measuring and regulating the radial and tangential angles of a light beam
JPH04245034A (ja) * 1991-01-31 1992-09-01 Toshiba Corp 光学ヘッド装置
DE4211213C2 (de) * 1992-04-03 2001-03-15 Thomson Brandt Gmbh Regelung optischer Abtastsysteme, insbesondere in der Anlaufphase der Abspielgeräte
JPH07272300A (ja) * 1994-03-31 1995-10-20 Sony Corp ディスクのスキュー検出装置
US5732054A (en) * 1995-03-28 1998-03-24 Eastman Kodak Company Combined tracking position and tilt sensor for optical recording actuator
JP3489271B2 (ja) * 1995-06-16 2004-01-19 ソニー株式会社 ディスク駆動装置および傾き調整方法
CN101312054B (zh) * 2007-05-24 2012-05-16 鸿富锦精密工业（深圳）有限公司 光学读取头倾斜度检测方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5593541A (en) * 1979-01-10 1980-07-16 Pioneer Video Corp Polarization mirror driving unit in optical information reader
NL8101669A (nl) * 1981-04-03 1982-11-01 Philips Nv Inrichting voor het detekteren van de stand van een voorwerp.
JPS57179954A (en) * 1981-04-27 1982-11-05 Sony Corp Optical type disc player
US4491877A (en) * 1981-05-09 1985-01-01 Pioneer Video Corporation Cross-talk detector in information-carrying disc player
JPS5814332A (ja) * 1981-07-16 1983-01-27 Mitsubishi Electric Corp 光学式情報再生装置
JPH0612573B2 (ja) * 1981-09-10 1994-02-16 パイオニアビデオ株式会社 情報読取装置における記録トラックとピックアップとのトラック直交方向相対位置制御装置

Also Published As

Publication number Publication date
JPS59146448A (ja) 1984-08-22
EP0116467A3 (en) 1987-06-24
EP0116467B1 (de) 1990-04-18
EP0116467A2 (de) 1984-08-22
CA1212765A (en) 1986-10-14
US4608680A (en) 1986-08-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee