HK81796A - Detector circuit - Google Patents

Detector circuit

Info

Publication number
HK81796A
HK81796A HK81796A HK81796A HK81796A HK 81796 A HK81796 A HK 81796A HK 81796 A HK81796 A HK 81796A HK 81796 A HK81796 A HK 81796A HK 81796 A HK81796 A HK 81796A
Authority
HK
Hong Kong
Prior art keywords
signal
track
detector circuit
data
players
Prior art date
Application number
HK81796A
Other languages
English (en)
Inventor
Guenter Gleim
Friedrich Fueldner
Bernd Rekla
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 HK81796A publication Critical patent/HK81796A/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
    • 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
    • G11B7/0948—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 specially adapted for detection and avoidance or compensation of imperfections on the carrier, e.g. dust, scratches, dropouts
    • 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

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Air Bags (AREA)
  • Burglar Alarm Systems (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Lock And Its Accessories (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
HK81796A 1989-09-30 1996-05-09 Detector circuit HK81796A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3932831A DE3932831A1 (de) 1989-09-30 1989-09-30 Detektionsschaltung
PCT/EP1990/001595 WO1991005340A1 (de) 1989-09-30 1990-09-20 Detektionsschaltung

Publications (1)

Publication Number Publication Date
HK81796A true HK81796A (en) 1996-05-17

Family

ID=6390658

Family Applications (1)

Application Number Title Priority Date Filing Date
HK81796A HK81796A (en) 1989-09-30 1996-05-09 Detector circuit

Country Status (15)

Country Link
EP (1) EP0494892B1 (tr)
JP (1) JP2854131B2 (tr)
KR (1) KR100227668B1 (tr)
CN (1) CN1020009C (tr)
AT (1) ATE119706T1 (tr)
AU (1) AU6418690A (tr)
DD (1) DD298325A5 (tr)
DE (2) DE3932831A1 (tr)
ES (1) ES2071829T3 (tr)
FI (1) FI921365A0 (tr)
HK (1) HK81796A (tr)
HU (1) HUT61118A (tr)
MY (1) MY107309A (tr)
TR (1) TR24612A (tr)
WO (1) WO1991005340A1 (tr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0538936B1 (en) * 1991-10-23 1997-01-08 Koninklijke Philips Electronics N.V. Device for scanning a record carrier
JP2002150572A (ja) * 2000-11-07 2002-05-24 Sanyo Electric Co Ltd ディスク装置
DE10062079A1 (de) * 2000-12-13 2002-06-27 Thomson Brandt Gmbh Verfahren zum Spurzählen und entsprechendes Gerät zum Lesen und/oder Beschreiben eines optischen Aufzeichnungsträgers
JP4245436B2 (ja) * 2003-08-08 2009-03-25 パナソニック株式会社 ディフェクト検出装置
WO2008122917A1 (en) * 2007-04-05 2008-10-16 Koninklijke Philips Electronics N.V. Optical disc drive with delayed layer jump

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4855977A (en) * 1987-07-27 1989-08-08 Laser Magnetic Storage International Company Track seeking apparatus and method using sampled information

Also Published As

Publication number Publication date
JPH05500577A (ja) 1993-02-04
EP0494892A1 (de) 1992-07-22
DE3932831A1 (de) 1991-04-11
MY107309A (en) 1995-11-30
CN1050637A (zh) 1991-04-10
EP0494892B1 (de) 1995-03-08
AU6418690A (en) 1991-04-28
HUT61118A (en) 1992-11-30
FI921365A (fi) 1992-03-27
ATE119706T1 (de) 1995-03-15
ES2071829T3 (es) 1995-07-01
HU9200995D0 (en) 1992-06-29
KR100227668B1 (ko) 1999-11-01
JP2854131B2 (ja) 1999-02-03
CN1020009C (zh) 1993-03-03
DE59008679D1 (de) 1995-04-13
WO1991005340A1 (de) 1991-04-18
FI921365A0 (fi) 1992-03-27
KR920704281A (ko) 1992-12-19
DD298325A5 (de) 1992-02-13
TR24612A (tr) 1992-01-01

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Legal Events

Date Code Title Description
PF Patent in force
PE Patent expired

Effective date: 20100919