DE3873900D1 - Plattengeraet. - Google Patents

Plattengeraet.

Info

Publication number
DE3873900D1
DE3873900D1 DE8888312329T DE3873900T DE3873900D1 DE 3873900 D1 DE3873900 D1 DE 3873900D1 DE 8888312329 T DE8888312329 T DE 8888312329T DE 3873900 T DE3873900 T DE 3873900T DE 3873900 D1 DE3873900 D1 DE 3873900D1
Authority
DE
Germany
Prior art keywords
disk device
disk
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 - Fee Related
Application number
DE8888312329T
Other languages
English (en)
Other versions
DE3873900T2 (de
Inventor
Hidehiro C O Pioneer Ele Ishii
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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
Priority claimed from JP62331581A external-priority patent/JPH01171159A/ja
Priority claimed from JP63032111A external-priority patent/JP2558317B2/ja
Application filed by Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Application granted granted Critical
Publication of DE3873900D1 publication Critical patent/DE3873900D1/de
Publication of DE3873900T2 publication Critical patent/DE3873900T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/24—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing noise
DE8888312329T 1987-12-25 1988-12-28 Plattengeraet. Expired - Fee Related DE3873900T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP62331581A JPH01171159A (ja) 1987-12-25 1987-12-25 ディスクプレーヤ
JP63032111A JP2558317B2 (ja) 1988-02-15 1988-02-15 ディスクプレーヤにおけるビデオ信号処理回路

Publications (2)

Publication Number Publication Date
DE3873900D1 true DE3873900D1 (de) 1992-09-24
DE3873900T2 DE3873900T2 (de) 1992-12-17

Family

ID=26370636

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888312329T Expired - Fee Related DE3873900T2 (de) 1987-12-25 1988-12-28 Plattengeraet.

Country Status (3)

Country Link
US (1) US5065253A (de)
EP (1) EP0323202B1 (de)
DE (1) DE3873900T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2572842B2 (ja) * 1989-05-10 1997-01-16 パイオニア株式会社 光学的読取り信号のクロストーク量検出装置
KR0135874B1 (ko) * 1992-02-28 1998-05-15 강진구 디스크인식방법
JPH05250680A (ja) * 1992-03-05 1993-09-28 Pioneer Electron Corp クロストーク検出装置
US5363363A (en) * 1992-10-16 1994-11-08 Eastman Kodak Company Apparatus and method for laser noise cancellation in an optical storage system using a front facet monitor signal
JP3461017B2 (ja) * 1993-10-29 2003-10-27 株式会社ケンウッド 光ディスク装置のスピンドル制御回路
SE513875C2 (sv) 1998-06-15 2000-11-20 Ericsson Telefon Ab L M Elektrisk komponent samt ett flerlagrigt kretskort
JP2002163830A (ja) * 2000-11-24 2002-06-07 Toshiba Corp 光学的収差を利用した光情報処理システムおよび厚みムラのある透明層で保護された記録層を持つ情報媒体
AU2002341309A1 (en) * 2001-11-07 2003-05-19 Koninklijke Philips Electronics N.V. Optical device and optical reproducing apparatus
JP2004062918A (ja) * 2002-07-24 2004-02-26 Pioneer Electronic Corp チルトサーボ装置
JPWO2006118221A1 (ja) * 2005-04-28 2008-12-18 松下電器産業株式会社 対物レンズの傾き調整方法、光ピックアップの製造方法、対物レンズの傾き調整装置、光ピックアップ部品、光ピックアップ、及び光情報記録再生装置
WO2007012705A1 (fr) * 2005-07-29 2007-02-01 Gaming Partners International Cylindre de roulette a correction d'assiette, et table de jeu comprenant un tel cylindre de roulette.
TWI440026B (zh) * 2011-09-16 2014-06-01 Sunplus Technology Co Ltd 資料還原裝置與方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064530A (en) * 1976-11-10 1977-12-20 Cbs Inc. Noise reduction system for color television
JPS5987555A (ja) * 1982-11-10 1984-05-21 Oki Electric Ind Co Ltd マイクロプログラム・ロムのハッシュ・トータル・チェック方法
AU575332B2 (en) * 1983-07-29 1988-07-28 Sony Corporation Optical disk pick-up
JPS60162388A (ja) * 1984-02-02 1985-08-24 Mitsubishi Electric Corp 磁気記録方式
DE3503461A1 (de) * 1984-02-03 1985-08-08 Pioneer Electronic Corp., Tokio/Tokyo Geraet zum wiedergeben gespeicherter information
US4682251A (en) * 1984-03-21 1987-07-21 Victor Company Of Japan, Ltd. Video signal reproducing apparatus having a noise reduction circuit
JPS60153061U (ja) * 1984-03-21 1985-10-12 パイオニア株式会社 ノイズ除去回路
US4700336A (en) * 1984-06-19 1987-10-13 Matsushita Electric Industrial Co., Ltd. Optical recording and playback apparatus using plural light spots
GB2166583B (en) * 1984-09-20 1988-06-29 Pioneer Electronic Corp Optical information recording and/or reproducing apparatus
JPH07105929B2 (ja) * 1986-11-11 1995-11-13 松下電器産業株式会社 映像信号処理装置

Also Published As

Publication number Publication date
DE3873900T2 (de) 1992-12-17
EP0323202B1 (de) 1992-08-19
EP0323202A1 (de) 1989-07-05
US5065253A (en) 1991-11-12

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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