HK1022038A1 - Apparatus for the reproduction or recording of data or information. - Google Patents

Apparatus for the reproduction or recording of data or information.

Info

Publication number
HK1022038A1
HK1022038A1 HK00100886A HK00100886A HK1022038A1 HK 1022038 A1 HK1022038 A1 HK 1022038A1 HK 00100886 A HK00100886 A HK 00100886A HK 00100886 A HK00100886 A HK 00100886A HK 1022038 A1 HK1022038 A1 HK 1022038A1
Authority
HK
Hong Kong
Prior art keywords
reproduction
recording
information
data
Prior art date
Application number
HK00100886A
Other languages
English (en)
Inventor
Ruediger Brunheim
Michael Grimm
Steffen Lehr
Heinrich Schemmann
Original Assignee
Thomson Brandt Gmbh
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 Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of HK1022038A1 publication Critical patent/HK1022038A1/xx

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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/10009—Improvement or modification of read or write signals
    • 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
HK00100886A 1998-05-29 2000-02-14 Apparatus for the reproduction or recording of data or information. HK1022038A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19824056A DE19824056A1 (de) 1998-05-29 1998-05-29 Gerät zur Wiedergabe oder Aufzeichnung von Daten oder Informationen

Publications (1)

Publication Number Publication Date
HK1022038A1 true HK1022038A1 (en) 2000-07-21

Family

ID=7869298

Family Applications (1)

Application Number Title Priority Date Filing Date
HK00100886A HK1022038A1 (en) 1998-05-29 2000-02-14 Apparatus for the reproduction or recording of data or information.

Country Status (10)

Country Link
US (1) US6577572B2 (ja)
EP (1) EP0961270B1 (ja)
JP (1) JP4114274B2 (ja)
KR (1) KR100609336B1 (ja)
CN (1) CN1159707C (ja)
DE (2) DE19824056A1 (ja)
HK (1) HK1022038A1 (ja)
ID (1) ID22596A (ja)
MY (1) MY125621A (ja)
SG (1) SG78352A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
JP3879060B2 (ja) * 2002-01-10 2007-02-07 日本テキサス・インスツルメンツ株式会社 光ディスク用サーボエラー検出回路
DE10319757A1 (de) * 2003-04-30 2004-11-18 Deutsche Thomson-Brandt Gmbh Wiedergabe- oder Aufzeichnungsgerät für optische Aufzeichnungsträger mit einer Neigungsregelung
DE60324670D1 (de) * 2003-07-29 2008-12-24 Alcatel Lucent Verfahren und Vorrichtung zum Löschen eines externen Schnittstelleneffekts bei dem aktiven Spurnachlauf für eine optische Freiraumkommunikation
EP2854289B1 (en) * 2013-09-30 2016-02-24 Nxp B.V. RF power detector and detection method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02265025A (ja) * 1989-04-05 1990-10-29 Pioneer Electron Corp サーボループのループゲイン設定方法
JPH0765503A (ja) * 1993-08-25 1995-03-10 Sharp Corp 情報再生装置におけるアナログ／ディジタル変換回路
JP3046515B2 (ja) 1994-12-16 2000-05-29 シャープ株式会社 光情報記録再生装置の再生回路
US5612939A (en) * 1995-01-27 1997-03-18 Victor Company Of Japan, Ltd. Optical disk recording and/or reproducing apparatus for performing optimizing operation for servo control with recording and/or reproducing operation
JPH10134369A (ja) * 1996-10-31 1998-05-22 Sanyo Electric Co Ltd 光ディスク再生装置のトラック検出回路

Also Published As

Publication number Publication date
ID22596A (id) 1999-11-25
EP0961270A1 (en) 1999-12-01
EP0961270B1 (en) 2006-12-27
CN1239799A (zh) 1999-12-29
CN1159707C (zh) 2004-07-28
JPH11353655A (ja) 1999-12-24
DE69934541T2 (de) 2007-10-04
JP4114274B2 (ja) 2008-07-09
MY125621A (en) 2006-08-30
US20030007439A1 (en) 2003-01-09
DE19824056A1 (de) 1999-12-02
KR19990088025A (ko) 1999-12-27
KR100609336B1 (ko) 2006-08-04
DE69934541D1 (de) 2007-02-08
US6577572B2 (en) 2003-06-10
SG78352A1 (en) 2001-02-20

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20100526