DE3482519D1 - Optisches informationswiedergabegeraet. - Google Patents

Optisches informationswiedergabegeraet.

Info

Publication number
DE3482519D1
DE3482519D1 DE8484309111T DE3482519T DE3482519D1 DE 3482519 D1 DE3482519 D1 DE 3482519D1 DE 8484309111 T DE8484309111 T DE 8484309111T DE 3482519 T DE3482519 T DE 3482519T DE 3482519 D1 DE3482519 D1 DE 3482519D1
Authority
DE
Germany
Prior art keywords
display device
information display
optical information
optical
information
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
DE8484309111T
Other languages
German (de)
English (en)
Inventor
Toru Ohtsuka Kanagawa
Tadashi Motoyama Kanagawa
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 DE3482519D1 publication Critical patent/DE3482519D1/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
    • 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
    • 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
DE8484309111T 1983-12-29 1984-12-27 Optisches informationswiedergabegeraet. Expired - Lifetime DE3482519D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58247814A JPS60143448A (ja) 1983-12-29 1983-12-29 スキユ−エラ−検出回路

Publications (1)

Publication Number Publication Date
DE3482519D1 true DE3482519D1 (de) 1990-07-19

Family

ID=17169056

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484309111T Expired - Lifetime DE3482519D1 (de) 1983-12-29 1984-12-27 Optisches informationswiedergabegeraet.

Country Status (5)

Country Link
US (1) US4674078A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0148028B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS60143448A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1228162A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3482519D1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0660811B2 (ja) * 1985-09-24 1994-08-10 ソニー株式会社 反射型傾き検出素子
USRE33506E (en) * 1986-09-09 1990-12-25 Teac Corporation Disc inclination detecting apparatus
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
US5010537A (en) * 1987-07-27 1991-04-23 Nikon Corporation Optical disc device with multi-head slider and tracking control
JP2565238B2 (ja) * 1987-10-15 1996-12-18 ソニー株式会社 光学式ディスク再生装置
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
DE4028703A1 (de) * 1990-09-10 1992-03-12 Thomson Brandt Gmbh Verfahren zum messen oder regeln des radial- und tangentialwinkels eines lichtstrahls
ES2095965T3 (es) * 1991-02-06 1997-03-01 Blaupunkt Werke Gmbh Procedimiento para la correccion de un angulo erroneo.
JPH04366429A (ja) * 1991-06-14 1992-12-18 Toshiba Corp 対物レンズ駆動装置
JP2606492B2 (ja) * 1991-07-23 1997-05-07 三菱電機株式会社 光学式記録再生装置
JP3161891B2 (ja) * 1993-11-16 2001-04-25 松下電器産業株式会社 ディスクチルト検出装置およびディスクチルト補正装置
JP2776243B2 (ja) * 1994-03-25 1998-07-16 日本ビクター株式会社 光ピックアップ装置
JP3440344B2 (ja) * 1994-06-17 2003-08-25 大日本印刷株式会社 透過原稿作成用被記録シートおよびその製造方法
US5805543A (en) * 1995-02-22 1998-09-08 Matsushita Electric Industrial Co., Ltd. Tilt control apparatus based on pulsed width detection of an information reproduced signal
JP3661297B2 (ja) * 1996-08-21 2005-06-15 ソニー株式会社 評価信号生成装置、フォーカスバイアス調整方法、スキュー調整方法
JP3687943B2 (ja) * 1997-12-08 2005-08-24 パイオニア株式会社 記録情報再生装置及び記録情報再生装置におけるティルト検出方法
DE69933830T2 (de) * 1998-09-14 2007-06-28 Matsushita Electric Industrial Co., Ltd., Kadoma Neigungserkennungsvorrichtung, optisches Plattengerät, und Neigungssteuerverfahren
US20020141568A1 (en) * 2001-04-02 2002-10-03 Acoustic Technologies, Inc. Dual threshold correlator
TWI260614B (en) * 2002-09-13 2006-08-21 Sony Corp Skew detection method and device, optical pickup, and optical disc device
JP3953036B2 (ja) * 2004-02-24 2007-08-01 ソニー株式会社 光ディスク装置およびこれを有する撮影装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8004969A (nl) * 1980-09-02 1982-04-01 Philips Nv Inrichting voor optische scherpstelling.
JPS5814332A (ja) * 1981-07-16 1983-01-27 Mitsubishi Electric Corp 光学式情報再生装置
NL8105072A (nl) * 1981-11-10 1983-06-01 Philips Nv Electro-optische inrichting.
JPS58125242A (ja) * 1982-01-22 1983-07-26 Victor Co Of Japan Ltd 光学的情報信号再生装置のトラツキング誤差検出方式

Also Published As

Publication number Publication date
EP0148028B1 (en) 1990-06-13
EP0148028A2 (en) 1985-07-10
EP0148028A3 (en) 1986-12-30
JPH0466058B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-10-22
JPS60143448A (ja) 1985-07-29
CA1228162A (en) 1987-10-13
US4674078A (en) 1987-06-16

Similar Documents

Publication Publication Date Title
DE3777426D1 (de) Optisches informationswiedergabegeraet.
DE3484761D1 (de) Anzeigevorrichtung.
DE3586421D1 (de) Anzeigegeraet.
NO823399L (no) Fremvisningsanordning.
DE3581853D1 (de) Anzeigeeinrichtung.
DE3484861D1 (de) Informationseingabegeraet.
DE3577676D1 (de) Anzeigevorrichtung.
DE3483937D1 (de) Anzeigeeinrichtungen.
DE3482519D1 (de) Optisches informationswiedergabegeraet.
DE3382605D1 (de) Elektrochrome anzeigevorrichtung.
DE3586646D1 (de) Bildanzeigegeraet.
DE3675056D1 (de) Optisches informationswiedergabegeraet.
DE3486099D1 (de) Bildanzeigegeraet.
DE3887078D1 (de) Optisches Informationswiedergabegerät.
DE3586240D1 (de) Anzeigegeraet.
FI852227A7 (fi) Valokilpi.
DE3581564D1 (de) Anzeigevorrichtung.
DE3585659D1 (de) Anzeigegeraet.
DE3382770D1 (de) Anzeigeeinrichtung.
NL193414B (nl) Weergeefinrichting.
DE3485760D1 (de) Nachrichtenanzeigegeraet.
DE3887318D1 (de) Datenwiedergabeanordnung.
ES535386A0 (es) Dispositivo de visualizacion luminosa de mensajes informativos
DE3381952D1 (de) Anzeigeeinrichtung.
FI850055A7 (fi) Näyttöelin.

Legal Events

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