DE602005006778D1 - Anordnen zum erhalten eines spur-wobbel-signals - Google Patents

Anordnen zum erhalten eines spur-wobbel-signals

Info

Publication number
DE602005006778D1
DE602005006778D1 DE602005006778T DE602005006778T DE602005006778D1 DE 602005006778 D1 DE602005006778 D1 DE 602005006778D1 DE 602005006778 T DE602005006778 T DE 602005006778T DE 602005006778 T DE602005006778 T DE 602005006778T DE 602005006778 D1 DE602005006778 D1 DE 602005006778D1
Authority
DE
Germany
Prior art keywords
signal
delay element
variable delay
track
detector
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
DE602005006778T
Other languages
English (en)
Inventor
Christian Buechler
Christof Ballweg
Original Assignee
Thomson Licensing SAS
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
Priority claimed from DE200410032127 external-priority patent/DE102004032127A1/de
Application filed by Thomson Licensing SAS filed Critical Thomson Licensing SAS
Publication of DE602005006778D1 publication Critical patent/DE602005006778D1/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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • G11B7/0053—Reproducing non-user data, e.g. wobbled address, prepits, BCA
    • 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
DE602005006778T 2004-04-14 2005-04-06 Anordnen zum erhalten eines spur-wobbel-signals Expired - Fee Related DE602005006778D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102004018537 2004-04-14
DE200410032127 DE102004032127A1 (de) 2004-07-01 2004-07-01 Anordnung zur Gewinnung eines Spurwobbelsignals
PCT/EP2005/003610 WO2005101384A1 (en) 2004-04-14 2005-04-06 Arrangement for obtaining a track wobble signal

Publications (1)

Publication Number Publication Date
DE602005006778D1 true DE602005006778D1 (de) 2008-06-26

Family

ID=34963253

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005006778T Expired - Fee Related DE602005006778D1 (de) 2004-04-14 2005-04-06 Anordnen zum erhalten eines spur-wobbel-signals

Country Status (6)

Country Link
US (1) US20070247983A1 (de)
EP (1) EP1735782B1 (de)
JP (1) JP2007533057A (de)
AT (1) ATE395691T1 (de)
DE (1) DE602005006778D1 (de)
WO (1) WO2005101384A1 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19627383A1 (de) * 1996-07-06 1998-01-08 Thomson Brandt Gmbh Gerät zum Lesen oder Beschreiben optischer Aufzeichnungsträger
JP3691271B2 (ja) * 1999-01-21 2005-09-07 パイオニア株式会社 ディスクプレーヤ
JP2002074687A (ja) * 2000-08-24 2002-03-15 Pioneer Electronic Corp トラックジャンプ制御装置及びトラックジャンプ制御方法
JP2002216354A (ja) * 2001-01-15 2002-08-02 Pioneer Electronic Corp プリピット検出装置
DE10140326A1 (de) * 2001-08-16 2003-02-27 Thomson Brandt Gmbh Verfahren zur Verminderung des Rauschens in einem Wobbelsignal

Also Published As

Publication number Publication date
EP1735782B1 (de) 2008-05-14
US20070247983A1 (en) 2007-10-25
ATE395691T1 (de) 2008-05-15
EP1735782A1 (de) 2006-12-27
WO2005101384A1 (en) 2005-10-27
JP2007533057A (ja) 2007-11-15

Similar Documents

Publication Publication Date Title
TW200632898A (en) Method and apparatus for optical storage medium detection and method for moving direction detection and optical disc drive
ATE392618T1 (de) Nativer analyt als referenz in lateralfluss- assays
TW200623086A (en) Method of detecting focus error signal of optical head and optical head and optical recording/reproducing apparatus utilizing the same
TW200603111A (en) Device and method for recording
JP2009076134A5 (de)
WO2007059446A3 (en) Apparatus and method for analysis of optical storage media
EP1610304A3 (de) Vorrichtung zur optischen Aufzeichnung von Informationen
DE602005006778D1 (de) Anordnen zum erhalten eines spur-wobbel-signals
EP2093761A3 (de) Optische Platten
CN1542786A (zh) 光学头和具备该光学头的信息记录再生装置
EP1229533A3 (de) Prepitdetektor für optisches Speichermedium
US6456574B1 (en) Disk player
US5784348A (en) Phase detected direct read during write
TW200608373A (en) Method for determining data storage quality of optical disc
DE60335418D1 (de) Fotodioden-ic
TW200641859A (en) Optical pickup, optical recording and/or reproducing apparatus using the same, and method for detecting tracking error signal
US20070064553A1 (en) Method and device for reading angular multiplexed pits
KR100663099B1 (ko) 디펙트 검출 회로
RU2009117617A (ru) Совместимый оптический носитель записи
WO2009001360A3 (en) Optical system for use in recording/reading data in an optical data carrier
US20020159380A1 (en) Method of sampling wobble components and disk drive unit executing the method
DE602004019247D1 (de) Plattenlaufwerkvorrichtung und verfahren zum erkennen von cd und dvd
WO2009025036A1 (ja) トラッキング信号生成装置及び方法、再生装置及び方法、並びにコンピュータプログラム
ATE346358T1 (de) Verfahren zum abgleich der verstärkung eines linsen-positions-signales und eine entsprechende vorrichtung zum lesen und/oder schreiben eines optischen aufnahmemediums
JP2006047157A (ja) 光学分析装置

Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee