DE69425020D1 - Verfahren zum Erfassen eines Signales und Gerät zum Erfassen eines Signales - Google Patents

Verfahren zum Erfassen eines Signales und Gerät zum Erfassen eines Signales

Info

Publication number
DE69425020D1
DE69425020D1 DE69425020T DE69425020T DE69425020D1 DE 69425020 D1 DE69425020 D1 DE 69425020D1 DE 69425020 T DE69425020 T DE 69425020T DE 69425020 T DE69425020 T DE 69425020T DE 69425020 D1 DE69425020 D1 DE 69425020D1
Authority
DE
Germany
Prior art keywords
acquiring
signal
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
DE69425020T
Other languages
English (en)
Other versions
DE69425020T2 (de
Inventor
Hiroshi Ogawa
Shinichiro Iimura
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69425020D1 publication Critical patent/DE69425020D1/de
Publication of DE69425020T2 publication Critical patent/DE69425020T2/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
    • 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
    • G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs
    • 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
    • G11B7/0938—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 servo format, e.g. guide tracks, pilot signals

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69425020T 1993-04-05 1994-04-05 Verfahren zum Erfassen eines Signales und Gerät zum Erfassen eines Signales Expired - Lifetime DE69425020T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5102008A JPH06290462A (ja) 1993-04-05 1993-04-05 信号検出方法及び信号検出装置

Publications (2)

Publication Number Publication Date
DE69425020D1 true DE69425020D1 (de) 2000-08-03
DE69425020T2 DE69425020T2 (de) 2001-02-22

Family

ID=14315753

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69425020T Expired - Lifetime DE69425020T2 (de) 1993-04-05 1994-04-05 Verfahren zum Erfassen eines Signales und Gerät zum Erfassen eines Signales

Country Status (5)

Country Link
US (1) US5459706A (de)
EP (1) EP0623921B1 (de)
JP (1) JPH06290462A (de)
KR (1) KR100316674B1 (de)
DE (1) DE69425020T2 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3092756B2 (ja) * 1992-07-24 2000-09-25 ソニー株式会社 光デイスク装置
JPH08147699A (ja) * 1994-11-22 1996-06-07 Sony Corp 情報記録再生装置
JPH08321045A (ja) * 1995-05-23 1996-12-03 Sharp Corp 光ディスク装置
JPH08329507A (ja) * 1995-05-30 1996-12-13 Sharp Corp トラッキング補正方法及びその装置並びに光ディスク
US5809006A (en) * 1996-05-31 1998-09-15 Cagent Technologies, Inc. Optical disk with copy protection, and apparatus and method for recording and reproducing same
JPH1069640A (ja) * 1996-08-27 1998-03-10 Mitsumi Electric Co Ltd Ｃｄ−ｒドライブにおけるウォブル信号生成方法
JP3708668B2 (ja) * 1997-04-09 2005-10-19 株式会社リコー Ｅｆｍ出力タイミング制御回路及び記録タイミング制御回路
JP3806487B2 (ja) * 1997-04-14 2006-08-09 株式会社リコー 光ディスク駆動装置のアドレス検出装置
US6259670B1 (en) * 1998-07-17 2001-07-10 Seagate Technology Llc Magneto-optical preamplifier
JP2000113463A (ja) * 1998-09-30 2000-04-21 Pioneer Electronic Corp プリピット検出装置
US6487149B1 (en) 1998-10-09 2002-11-26 Ricoh Company, Ltd. Optical recording and reproducing methods for optical disk
JP2001093147A (ja) * 1999-09-20 2001-04-06 Teac Corp 光ディスク装置のウォブル信号検出回路
US6665242B2 (en) * 1999-12-02 2003-12-16 Canon Kabushiki Kaisha Optical information reproducing apparatus having circuit for adjusting reproducing power
AU768477B2 (en) * 2000-05-19 2003-12-11 Matsushita Electric Industrial Co., Ltd. Data recording medium and reproducing apparatus thereof
JP2002216354A (ja) 2001-01-15 2002-08-02 Pioneer Electronic Corp プリピット検出装置
JP4357750B2 (ja) * 2001-01-15 2009-11-04 パイオニア株式会社 プリピット検出装置
JP3690289B2 (ja) * 2001-02-19 2005-08-31 ティアック株式会社 光ディスク装置
JP3812348B2 (ja) * 2001-02-26 2006-08-23 ティアック株式会社 光ディスク装置
JP2002329325A (ja) 2001-04-27 2002-11-15 Shinano Kenshi Co Ltd ウォブル成分抽出方法およびそれを用いたディスクドライブ装置
JP2002367180A (ja) * 2001-06-04 2002-12-20 Mitsumi Electric Co Ltd 光ディスク装置
JP3876686B2 (ja) * 2001-10-29 2007-02-07 ティアック株式会社 光ディスク装置
EP1662488A1 (de) * 2003-09-02 2006-05-31 Ricoh Company, Ltd. Gegentakt-signalerzeugungseinrichtung und optische disc-einrichtung
EP1688931A4 (de) * 2003-10-31 2009-01-14 Panasonic Corp Wobblesignalextraktionsschaltung und optische datenträgereinrichtung
KR20070028550A (ko) * 2004-06-22 2007-03-12 코닌클리케 필립스 일렉트로닉스 엔.브이. 프리피트 검출이 개량된 기록 시스템
JP2010170604A (ja) 2009-01-21 2010-08-05 Sony Corp 光ディスク装置、光ピックアップ、プリフォーマット信号生成方法及びプログラム
WO2011160650A1 (en) * 2010-06-21 2011-12-29 Aktiebolaget Skf Acoustical machine condition monitoring

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2565196B2 (ja) * 1986-09-30 1996-12-18 ソニー株式会社 記録装置及び記録方法
US5185732A (en) * 1988-06-20 1993-02-09 Sony Corporation Recording medium and recording and reproducing apparatus employing the recording medium
US4967404A (en) * 1988-12-05 1990-10-30 Eastman Kodak Company Focus/tracking servo automatic gain control for optical recording
JPH0423234A (ja) * 1990-05-18 1992-01-27 Sony Corp 光学装置のトラッキング誤差信号生成装置
KR950010418B1 (ko) * 1991-08-28 1995-09-16 미쯔비시덴끼 가부시끼가이샤 광기록재생장치
JP3260151B2 (ja) * 1991-10-31 2002-02-25 パイオニア株式会社 ウォブル信号読取装置及びウォブル信号読取方法
JP3092756B2 (ja) * 1992-07-24 2000-09-25 ソニー株式会社 光デイスク装置

Also Published As

Publication number Publication date
US5459706A (en) 1995-10-17
KR100316674B1 (ko) 2002-02-19
EP0623921A1 (de) 1994-11-09
EP0623921B1 (de) 2000-06-28
JPH06290462A (ja) 1994-10-18
KR940024699A (ko) 1994-11-18
DE69425020T2 (de) 2001-02-22

Similar Documents

Publication Publication Date Title
DE69425020T2 (de) Verfahren zum Erfassen eines Signales und Gerät zum Erfassen eines Signales
DE69029136D1 (de) Gerät und verfahren zum transformieren eines digitalisierten bildsignals
DE69411257D1 (de) Verfahren und Vorrichtung zum Detektieren eines Videoschnitts
DE69130123D1 (de) Anzeigegerät und Verfahren zum Betreiben eines solchen Geräts
DE69414105T2 (de) Vorrichtung und verfahren zur automatischen erkennung und konfiguration eines peripheriegeräts
DE69732969D1 (de) Verfahren und einrichtung zum transformieren eines signals
DE69031107D1 (de) Anordnung und Verfahren zum Übertragen eines Videosignals
DE69218460D1 (de) Verfahren und vorrichtung zum erzeugen eines signals
DE69824873D1 (de) Verfahren und vorrichtung zum verstärken eines signals
DE59402905D1 (de) Verfahren und Vorrichtung zum Ausparken eines Fahrzeuges
DE69314714D1 (de) Verfahren und Vorrichtung zum Lesen eines Bildes
DE59403324D1 (de) Vorrichtung und verfahren zum überwachen eines tauchganges
DE69428431D1 (de) Verfahren und vorrichtung zum druckformen
DE69405957D1 (de) Verfahren und Vorrichtung zum Aufspulen eines schmalen Bandes
DE69409218D1 (de) Verfahren und Vorrichtung zum Wickeln eines Bandes
DE69501037D1 (de) Verfahren und Vorrichtung zum Falten eines Etiketts
DE69414295D1 (de) Verfahren und Vorrichtung zum Übertragen und Empfangen eines Videosignals
DE69429417D1 (de) Verfahren und Vorrichtung zum Übereinandergreifen graphischer Objekte
DE69820954D1 (de) Verfahren und Gerät zum Erzeugen eines Impulssignals
DE69516255T2 (de) Verfahren und Vorrichtung zum Lesen eines Bildes
DE59306350D1 (de) Verfahren und vorrichtng zum aufnehmen eines entfernungsbildes
DE59608459D1 (de) Verfahren und einrichtung zur erfassung und überwachung eines teilraumes
DE69202000D1 (de) Verfahren und Vorrichtung zum Festklemmen eines Wulstes.
DE69636592D1 (de) Verfahren und Einrichtung zum Empfang eines QAM-Signals
DE69632183D1 (de) Vorrichtung und verfahren zum transmultiplexen eines mehrkanaligen informationssignals

Legal Events

Date Code Title Description
8364 No opposition during term of opposition