DE3576234D1 - Geraet zur wiedergabe eines scheibenfoermigen aufzeichnungstraegers. - Google Patents

Geraet zur wiedergabe eines scheibenfoermigen aufzeichnungstraegers.

Info

Publication number
DE3576234D1
DE3576234D1 DE8585201818T DE3576234T DE3576234D1 DE 3576234 D1 DE3576234 D1 DE 3576234D1 DE 8585201818 T DE8585201818 T DE 8585201818T DE 3576234 T DE3576234 T DE 3576234T DE 3576234 D1 DE3576234 D1 DE 3576234D1
Authority
DE
Germany
Prior art keywords
track
locking
record carrier
point
eccentric
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
DE8585201818T
Other languages
English (en)
Inventor
Hilde Maria Alda Overath
Martinus Petrus Maria Bierhoff
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3576234D1 publication Critical patent/DE3576234D1/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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
    • 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
    • G11B7/0953—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 eccentricity of the disc or disc tracks
DE8585201818T 1984-11-21 1985-11-08 Geraet zur wiedergabe eines scheibenfoermigen aufzeichnungstraegers. Expired - Lifetime DE3576234D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8403534A NL8403534A (nl) 1984-11-21 1984-11-21 Inrichting voor het uitlezen van een schijfvormige registratiedrager.

Publications (1)

Publication Number Publication Date
DE3576234D1 true DE3576234D1 (de) 1990-04-05

Family

ID=19844796

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585201818T Expired - Lifetime DE3576234D1 (de) 1984-11-21 1985-11-08 Geraet zur wiedergabe eines scheibenfoermigen aufzeichnungstraegers.

Country Status (11)

Country Link
US (1) US4697258A (de)
EP (1) EP0183303B1 (de)
JP (1) JPH073691B2 (de)
KR (1) KR930006350B1 (de)
AT (1) ATE50660T1 (de)
AU (1) AU585764B2 (de)
CA (1) CA1246217A (de)
DE (1) DE3576234D1 (de)
DK (1) DK532285A (de)
ES (1) ES8701403A1 (de)
NL (1) NL8403534A (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06101125B2 (ja) * 1986-05-21 1994-12-12 キヤノン株式会社 光学的情報記録再生装置
US5070495A (en) * 1989-04-12 1991-12-03 International Business Machines Corporation Write calibration for magnetooptic disk recorders
US5327410A (en) * 1989-09-30 1994-07-05 Deutsche Thomson-Brandt Gmbh Direction-determination logic as for a signal pickup in recorded signal recovery apparatus
US5812506A (en) * 1992-04-10 1998-09-22 Wea Manufacturing, Inc. System and methods for measuring and correcting for overshoot in a high frequency (HF) signal generated by a compact disc player during testing of a compact disc
JPH0896379A (ja) * 1994-09-21 1996-04-12 Nec Corp 光ヘッドのトラッキング制御装置
TW509913B (en) * 2001-03-21 2002-11-11 Via Tech Inc Optical disk driver tracking method
JP5314884B2 (ja) * 2007-12-05 2013-10-16 日立コンシューマエレクトロニクス株式会社 光ディスクドライブ装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4037252A (en) * 1973-11-10 1977-07-19 U.S. Philips Corporation Apparatus for reading a disc-shaped record carrier with plural scanning spots for stable radial tracking
JPS6040093B2 (ja) * 1978-09-09 1985-09-09 パイオニアビデオ株式会社 トラッキングサ−ボ引込装置
NL7812111A (nl) * 1978-12-13 1980-06-17 Philips Nv Inrichting voor het optisch uitlezen van een schijf- vormige registratiedrager, in het bijzonder het snel opzoeken van een gewenst programmagedeelte.
JPS6048809B2 (ja) * 1979-10-16 1985-10-29 パイオニアビデオ株式会社 情報読取装置におけるトラッキングサ−ボ引込装置
US4365324A (en) * 1980-11-19 1982-12-21 Rca Corporation Eccentricity control device
KR880000999B1 (ko) * 1981-11-25 1988-06-10 미쓰다 가쓰시게 광학적 정보 기억장치
JPS58143472A (ja) * 1982-02-22 1983-08-26 Hitachi Ltd 記録情報再生装置のトラツキングサ−ボ制御装置
JPS59185077A (ja) * 1983-04-05 1984-10-20 Pioneer Electronic Corp トラツキングサ−ボ引込装置
EP0125019A1 (de) * 1983-04-05 1984-11-14 Pioneer Electronic Corporation Vorrichtung zur Steuerung von Überquerungen einer Aufzeichnungsspur

Also Published As

Publication number Publication date
JPS61126636A (ja) 1986-06-14
KR930006350B1 (ko) 1993-07-14
AU5004585A (en) 1986-05-29
DK532285A (da) 1986-05-22
KR860004396A (ko) 1986-06-20
AU585764B2 (en) 1989-06-22
ATE50660T1 (de) 1990-03-15
DK532285D0 (da) 1985-11-18
CA1246217A (en) 1988-12-06
US4697258A (en) 1987-09-29
ES8701403A1 (es) 1986-11-16
ES548995A0 (es) 1986-11-16
NL8403534A (nl) 1986-06-16
EP0183303A1 (de) 1986-06-04
JPH073691B2 (ja) 1995-01-18
EP0183303B1 (de) 1990-02-28

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee