TR24802A - Iz kontrol devresi - Google Patents

Iz kontrol devresi

Info

Publication number
TR24802A
TR24802A TR90/0992A TR99290A TR24802A TR 24802 A TR24802 A TR 24802A TR 90/0992 A TR90/0992 A TR 90/0992A TR 99290 A TR99290 A TR 99290A TR 24802 A TR24802 A TR 24802A
Authority
TR
Turkey
Prior art keywords
focussing
photodiodes
fed
recording medium
input
Prior art date
Application number
TR90/0992A
Other languages
English (en)
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 TR24802A publication Critical patent/TR24802A/tr

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/0901Disposition 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 for track following only
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording 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
    • G11B7/08Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09Disposition 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
    • G11B7/094Methods and circuits for servo offset compensation

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Noodles (AREA)
  • Details Of Television Scanning (AREA)
  • Luminescent Compositions (AREA)
  • Semiconductor Lasers (AREA)
  • Valve Device For Special Equipments (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Selective Calling Equipment (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Control Of Charge By Means Of Generators (AREA)
  • Vehicle Body Suspensions (AREA)
TR90/0992A 1989-10-28 1990-10-10 Iz kontrol devresi TR24802A (tr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3936033A DE3936033A1 (de) 1989-10-28 1989-10-28 Spurregelkreis

Publications (1)

Publication Number Publication Date
TR24802A true TR24802A (tr) 1992-05-01

Family

ID=6392484

Family Applications (1)

Application Number Title Priority Date Filing Date
TR90/0992A TR24802A (tr) 1989-10-28 1990-10-10 Iz kontrol devresi

Country Status (14)

Country Link
EP (1) EP0497785B1 (tr)
JP (1) JP2930716B2 (tr)
KR (1) KR100255044B1 (tr)
CN (1) CN1020010C (tr)
AT (1) ATE114380T1 (tr)
AU (1) AU6400590A (tr)
DE (2) DE3936033A1 (tr)
ES (1) ES2064762T3 (tr)
FI (1) FI921880A0 (tr)
HK (1) HK106595A (tr)
HU (1) HU208879B (tr)
MY (1) MY109481A (tr)
TR (1) TR24802A (tr)
WO (1) WO1991006950A1 (tr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4323067A1 (de) * 1993-07-10 1995-01-12 Thomson Brandt Gmbh G-Faktor-Abgleich
DE4415508A1 (de) * 1994-05-03 1995-11-09 Thomson Brandt Gmbh Abtastgerät mit Adaptation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2602019B2 (ja) * 1987-03-12 1997-04-23 富士通株式会社 光デイスク装置

Also Published As

Publication number Publication date
DE3936033A1 (de) 1991-05-02
HU9201299D0 (en) 1992-07-28
KR920704283A (ko) 1992-12-19
HK106595A (en) 1995-07-07
HU208879B (en) 1994-01-28
HUT60873A (en) 1992-10-28
EP0497785B1 (de) 1994-11-23
FI921880A (fi) 1992-04-27
EP0497785A1 (de) 1992-08-12
KR100255044B1 (ko) 2000-05-01
ES2064762T3 (es) 1995-02-01
WO1991006950A1 (de) 1991-05-16
MY109481A (en) 1997-02-28
JP2930716B2 (ja) 1999-08-03
FI921880A0 (fi) 1992-04-27
JPH05501328A (ja) 1993-03-11
CN1020010C (zh) 1993-03-03
DE59007780D1 (en) 1995-01-05
ATE114380T1 (de) 1994-12-15
CN1051445A (zh) 1991-05-15
AU6400590A (en) 1991-05-31

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