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DE69019136D1 - Schreib- und/oder Leseanordnung. - Google Patents

Schreib- und/oder Leseanordnung.

Info

Publication number
DE69019136D1
DE69019136D1 DE69019136T DE69019136T DE69019136D1 DE 69019136 D1 DE69019136 D1 DE 69019136D1 DE 69019136 T DE69019136 T DE 69019136T DE 69019136 T DE69019136 T DE 69019136T DE 69019136 D1 DE69019136 D1 DE 69019136D1
Authority
DE
Germany
Prior art keywords
writing
reading arrangement
reading
arrangement
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
DE69019136T
Other languages
English (en)
Other versions
DE69019136T2 (de
Inventor
Henri Cloetens
Robertus Wilhelmus Catha Groen
Antonius Hermanus Ma Akkermans
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 Electronics 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 Electronics NV filed Critical Philips Electronics NV
Publication of DE69019136D1 publication Critical patent/DE69019136D1/de
Application granted granted Critical
Publication of DE69019136T2 publication Critical patent/DE69019136T2/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
    • G11B7/085—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
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on discs
    • 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
    • G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
DE69019136T 1990-01-19 1990-12-21 Schreib- und/oder Leseanordnung. Expired - Fee Related DE69019136T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL9000131A NL9000131A (nl) 1990-01-19 1990-01-19 Lees- en/of schrijfinrichting.

Publications (2)

Publication Number Publication Date
DE69019136D1 true DE69019136D1 (de) 1995-06-08
DE69019136T2 DE69019136T2 (de) 1995-11-30

Family

ID=19856442

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69019136T Expired - Fee Related DE69019136T2 (de) 1990-01-19 1990-12-21 Schreib- und/oder Leseanordnung.

Country Status (6)

Country Link
US (1) US5140574A (de)
EP (1) EP0437891B1 (de)
JP (1) JP3147912B2 (de)
KR (1) KR100231677B1 (de)
DE (1) DE69019136T2 (de)
NL (1) NL9000131A (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05205416A (ja) * 1991-10-18 1993-08-13 Internatl Business Mach Corp <Ibm> 媒体欠陥によるトラッキング・エラー信号異常のマスキング装置および方法
JP2940891B2 (ja) * 1991-12-12 1999-08-25 富士通株式会社 光ディスクのトラック検索装置
SG80591A1 (en) * 1998-04-25 2001-05-22 Texas Instr Singapore Pte Ltd Track counter
KR100580167B1 (ko) 2002-01-22 2006-05-16 삼성전자주식회사 트랙 횡단 신호로부터 노이즈를 제거하는 방법, 이에기초한 광 디스크 드라이브 제어 방법, 노이즈 제거 장치,광 디스크 드라이브, 및 재생 장치
TWI229331B (en) * 2003-10-22 2005-03-11 Mediatek Inc Compensation method for detecting seeking speed of optical disk device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3508421A1 (de) * 1985-03-09 1986-09-11 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung fuer ein abspielgeraet von audio- und / oder videoplatten
DE3618137A1 (de) * 1985-05-31 1986-12-11 Hitachi, Ltd., Tokio/Tokyo Bildplatten-zugriffsverfahren und bildplattenspeicher
JP2508477B2 (ja) * 1987-02-02 1996-06-19 ソニー株式会社 デイスク装置
JPS63273219A (ja) * 1987-04-30 1988-11-10 Mitsubishi Electric Corp 光デイスク駆動装置
US4855977A (en) * 1987-07-27 1989-08-08 Laser Magnetic Storage International Company Track seeking apparatus and method using sampled information
JPS6460879A (en) * 1987-09-01 1989-03-07 Pioneer Electronic Corp Scanning method in disk player
JPH01271980A (ja) * 1988-04-22 1989-10-31 Toshiba Corp ディスク装置
US5146440A (en) * 1988-08-29 1992-09-08 Matsushita Electric Industrial Co., Ltd. Track search apparatus

Also Published As

Publication number Publication date
JP3147912B2 (ja) 2001-03-19
US5140574A (en) 1992-08-18
EP0437891A1 (de) 1991-07-24
KR100231677B1 (ko) 1999-11-15
JPH04212722A (ja) 1992-08-04
NL9000131A (nl) 1991-08-16
DE69019136T2 (de) 1995-11-30
KR910014893A (ko) 1991-08-31
EP0437891B1 (de) 1995-05-03

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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: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N

8328 Change in the person/name/address of the agent

Representative=s name: VOLMER, G., DIPL.-ING., PAT.-ANW., 52066 AACHEN

8339 Ceased/non-payment of the annual fee