DE602005004532D1 - Schienenreibungs-kalibration - Google Patents

Schienenreibungs-kalibration

Info

Publication number
DE602005004532D1
DE602005004532D1 DE602005004532T DE602005004532T DE602005004532D1 DE 602005004532 D1 DE602005004532 D1 DE 602005004532D1 DE 602005004532 T DE602005004532 T DE 602005004532T DE 602005004532 T DE602005004532 T DE 602005004532T DE 602005004532 D1 DE602005004532 D1 DE 602005004532D1
Authority
DE
Germany
Prior art keywords
head
rail
tracking system
dependence
amplifier
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
DE602005004532T
Other languages
English (en)
Other versions
DE602005004532T2 (de
Inventor
Ivon F Helwegen
Henricus R Verberne
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
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE602005004532D1 publication Critical patent/DE602005004532D1/de
Application granted granted Critical
Publication of DE602005004532T2 publication Critical patent/DE602005004532T2/de
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G11B7/0857—Arrangements for mechanically moving the whole head
    • 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
    • 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
    • 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
DE602005004532T 2004-05-04 2005-04-28 Schienenreibungs-kalibration Expired - Fee Related DE602005004532T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04101896 2004-05-04
EP04101896 2004-05-04
PCT/IB2005/051386 WO2005106859A1 (en) 2004-05-04 2005-04-28 Rail friction calibration

Publications (2)

Publication Number Publication Date
DE602005004532D1 true DE602005004532D1 (de) 2008-03-13
DE602005004532T2 DE602005004532T2 (de) 2009-01-22

Family

ID=34966611

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005004532T Expired - Fee Related DE602005004532T2 (de) 2004-05-04 2005-04-28 Schienenreibungs-kalibration

Country Status (9)

Country Link
US (1) US20070223321A1 (de)
EP (1) EP1745474B1 (de)
JP (1) JP2007536691A (de)
KR (1) KR20070006939A (de)
CN (1) CN100452189C (de)
AT (1) ATE385029T1 (de)
DE (1) DE602005004532T2 (de)
TW (1) TW200606820A (de)
WO (1) WO2005106859A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103199782A (zh) * 2013-03-27 2013-07-10 广东欧珀移动通信有限公司 光碟播放器激光拾取单元的步进电机控制方法
USD917081S1 (en) * 2020-09-30 2021-04-20 Yiwu Puhong Trading Co., Ltd Lamps
USD916334S1 (en) * 2020-09-30 2021-04-13 Yiwu Puhong Trading Co., Ltd Lamps
USD917082S1 (en) * 2020-09-30 2021-04-20 Yiwu Puhong Trading Co., Ltd Lamps

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57113428A (en) * 1980-12-29 1982-07-14 Pioneer Video Corp Focus servo device
US5359446A (en) * 1992-09-10 1994-10-25 Eldec Corporation Wide-angle, high-speed, free-space optical communications system
US5894196A (en) * 1996-05-03 1999-04-13 Mcdermott; Kevin Angled elliptical axial lighting device
JP3588519B2 (ja) * 1996-08-19 2004-11-10 富士通株式会社 光学的記憶装置
DE19703374A1 (de) * 1997-01-30 1998-08-06 Thomson Brandt Gmbh Verfahren und Anordnung zum Steuern radialer Verfahrbewegungen eines Schreib- und/oder Lesekopfes für plattenförmige Aufzeichnungsträger
JP3871085B2 (ja) * 1997-05-12 2007-01-24 富士通株式会社 ディスク装置及びディスク装置の校正方法
KR100211841B1 (ko) * 1997-05-19 1999-08-02 윤종용 디지털 비디오 디스크 플레이어에서 슬레드 이득 자동조정장치 및 방법
TW386228B (en) * 1998-02-27 2000-04-01 Mediatek Inc Tracking device for an optical pickup head
JP3552158B2 (ja) * 1999-04-08 2004-08-11 富士通株式会社 記憶装置
JP2000331445A (ja) * 1999-05-19 2000-11-30 Nec Corp ディスク装置のヘッド位置決め制御装置
JP2002008327A (ja) * 2000-06-20 2002-01-11 Fujitsu Ltd 情報記憶装置およびキャリッジ
US6885620B2 (en) * 2001-01-25 2005-04-26 Dphi Acquisitions, Inc. System and method for recovering from performance errors in an optical disc drive
US6901040B2 (en) * 2001-01-25 2005-05-31 Dphi Acquisitions, Inc. Kp and Ki lookup system and method

Also Published As

Publication number Publication date
CN100452189C (zh) 2009-01-14
CN1950892A (zh) 2007-04-18
ATE385029T1 (de) 2008-02-15
EP1745474B1 (de) 2008-01-23
DE602005004532T2 (de) 2009-01-22
EP1745474A1 (de) 2007-01-24
US20070223321A1 (en) 2007-09-27
TW200606820A (en) 2006-02-16
KR20070006939A (ko) 2007-01-11
JP2007536691A (ja) 2007-12-13
WO2005106859A1 (en) 2005-11-10

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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