DE60123896D1 - Vorrichtunng zur Wobbelerfassung - Google Patents

Vorrichtunng zur Wobbelerfassung

Info

Publication number
DE60123896D1
DE60123896D1 DE60123896T DE60123896T DE60123896D1 DE 60123896 D1 DE60123896 D1 DE 60123896D1 DE 60123896 T DE60123896 T DE 60123896T DE 60123896 T DE60123896 T DE 60123896T DE 60123896 D1 DE60123896 D1 DE 60123896D1
Authority
DE
Germany
Prior art keywords
vorrichtunng
wobble detection
wobble
detection
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
DE60123896T
Other languages
English (en)
Other versions
DE60123896T2 (de
Inventor
Eiji Nakajima
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 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 Pioneer Corp filed Critical Pioneer Corp
Publication of DE60123896D1 publication Critical patent/DE60123896D1/de
Application granted granted Critical
Publication of DE60123896T2 publication Critical patent/DE60123896T2/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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
DE60123896T 2000-08-23 2001-08-16 Vorrichtung zum ermitteln eines wobbles Expired - Fee Related DE60123896T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000252324 2000-08-23
JP2000252324A JP4012673B2 (ja) 2000-08-23 2000-08-23 ウォーブル検出装置

Publications (2)

Publication Number Publication Date
DE60123896D1 true DE60123896D1 (de) 2006-11-30
DE60123896T2 DE60123896T2 (de) 2007-02-15

Family

ID=18741582

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60123896T Expired - Fee Related DE60123896T2 (de) 2000-08-23 2001-08-16 Vorrichtung zum ermitteln eines wobbles

Country Status (4)

Country Link
US (1) US6751172B2 (de)
EP (1) EP1184847B1 (de)
JP (1) JP4012673B2 (de)
DE (1) DE60123896T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002279640A (ja) 2001-03-21 2002-09-27 Ricoh Co Ltd ウォブル検出回路とその装置
JP3566690B2 (ja) 2001-12-07 2004-09-15 株式会社リコー ウォブル信号検出回路及び光ディスク装置
TW200601302A (en) * 2004-06-30 2006-01-01 Lite On It Corp Method of controlling a focusing point on an optical disc
TWI346953B (en) * 2007-06-26 2011-08-11 Quanta Storage Inc Apparatus and method for calibrating focus balance in an optical disk drive

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4866688A (en) * 1985-12-20 1989-09-12 Hitachi, Ltd. Composite tracking servo system for optical disc apparatus with track offset correction
JP2788022B2 (ja) * 1995-02-14 1998-08-20 株式会社日立製作所 光記録媒体
US5896365A (en) * 1995-04-28 1999-04-20 Canon Kabushiki Kaisha Optical information recording medium capable of recording in lands and grooves without a track-jumping operation; optical information recording/reproducing apparatus using, and master disk exposure apparatus for producing the same
JP3707835B2 (ja) * 1995-08-10 2005-10-19 株式会社東芝 光ディスク装置
JPH09198779A (ja) * 1996-01-18 1997-07-31 Pioneer Electron Corp ディスク判別装置
KR19990016488A (ko) * 1997-08-16 1999-03-05 구자홍 트랙킹 제어 장치 및 그 방법

Also Published As

Publication number Publication date
JP4012673B2 (ja) 2007-11-21
EP1184847A3 (de) 2004-07-07
EP1184847A2 (de) 2002-03-06
US6751172B2 (en) 2004-06-15
US20020024897A1 (en) 2002-02-28
EP1184847B1 (de) 2006-10-18
DE60123896T2 (de) 2007-02-15
JP2002074661A (ja) 2002-03-15

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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