ATE395691T1 - Anordnen zum erhalten eines spur-wobbel-signals - Google Patents

Anordnen zum erhalten eines spur-wobbel-signals

Info

Publication number
ATE395691T1
ATE395691T1 AT05716545T AT05716545T ATE395691T1 AT E395691 T1 ATE395691 T1 AT E395691T1 AT 05716545 T AT05716545 T AT 05716545T AT 05716545 T AT05716545 T AT 05716545T AT E395691 T1 ATE395691 T1 AT E395691T1
Authority
AT
Austria
Prior art keywords
delay element
variable delay
signal
detector
track
Prior art date
Application number
AT05716545T
Other languages
English (en)
Inventor
Christian Buechler
Christof Ballweg
Original Assignee
Thomson Licensing
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 filed Critical Thomson Licensing
Application granted granted Critical
Publication of ATE395691T1 publication Critical patent/ATE395691T1/de

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
AT05716545T 2004-04-14 2005-04-06 Anordnen zum erhalten eines spur-wobbel-signals ATE395691T1 (de)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
ATE395691T1 true ATE395691T1 (de) 2008-05-15

Family

ID=34963253

Family Applications (1)

Application Number Title Priority Date Filing Date
AT05716545T ATE395691T1 (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
JP2007533057A (ja) 2007-11-15
EP1735782A1 (de) 2006-12-27
DE602005006778D1 (de) 2008-06-26
WO2005101384A1 (en) 2005-10-27
US20070247983A1 (en) 2007-10-25
EP1735782B1 (de) 2008-05-14

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Legal Events

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