HK3086A - Apparatus for optically scanning a disc-shaped record carrier - Google Patents

Apparatus for optically scanning a disc-shaped record carrier Download PDF

Info

Publication number
HK3086A
HK3086A HK30/86A HK3086A HK3086A HK 3086 A HK3086 A HK 3086A HK 30/86 A HK30/86 A HK 30/86A HK 3086 A HK3086 A HK 3086A HK 3086 A HK3086 A HK 3086A
Authority
HK
Hong Kong
Prior art keywords
signal
detectors
signals supplied
disc
radial
Prior art date
Application number
HK30/86A
Other languages
English (en)
Inventor
Petrus Maria Bierhoff Martinus
Original Assignee
Koninklijke Philips Electronics N.V.
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 Koninklijke Philips Electronics N.V. filed Critical Koninklijke Philips Electronics N.V.
Publication of HK3086A publication Critical patent/HK3086A/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
    • G11B7/0901—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 for track following only

Landscapes

  • Optical Recording Or Reproduction (AREA)
HK30/86A 1981-11-26 1986-01-16 Apparatus for optically scanning a disc-shaped record carrier HK3086A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8105347A NL8105347A (nl) 1981-11-26 1981-11-26 Inrichting voor het optisch aftasten van een schijfvormige registratiedrager.

Publications (1)

Publication Number Publication Date
HK3086A true HK3086A (en) 1986-01-24

Family

ID=19838451

Family Applications (1)

Application Number Title Priority Date Filing Date
HK30/86A HK3086A (en) 1981-11-26 1986-01-16 Apparatus for optically scanning a disc-shaped record carrier

Country Status (13)

Country Link
US (1) US4471477A (en, 2012)
JP (1) JPS58100241A (en, 2012)
AU (1) AU551544B2 (en, 2012)
BE (1) BE895140A (en, 2012)
CA (1) CA1193724A (en, 2012)
DE (1) DE3242785A1 (en, 2012)
DK (1) DK159695C (en, 2012)
ES (1) ES517633A0 (en, 2012)
FR (1) FR2517154A1 (en, 2012)
GB (1) GB2110434B (en, 2012)
HK (1) HK3086A (en, 2012)
IT (1) IT1153661B (en, 2012)
NL (1) NL8105347A (en, 2012)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105346A (en, 2012) * 1981-11-26 1983-06-16
DE3347879C2 (de) * 1983-07-09 1986-07-31 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Lesevorrichtung zum optischen Abtasten von auf einem beweglichen plattenförmigen Träger aufgezeichneten Informationen
DE3324861C2 (de) * 1983-07-09 1986-02-13 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Lesevorrichtung zum optischen Abtasten von auf einem bewegten plattenförmigen Träger aufgezeichneten Informationen
JP2565485B2 (ja) * 1984-09-14 1996-12-18 オリンパス光学工業株式会社 光学的記録再生装置
DE3500671A1 (de) * 1985-01-11 1986-07-17 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Lesevorrichtung zum optischen abtasten von auf einem beweglichen plattenfoermigen traeger aufgezeichneten informationen
JPH064414Y2 (ja) * 1986-03-10 1994-02-02 パイオニア株式会社 トラツキング制御装置
JP2681933B2 (ja) * 1987-07-24 1997-11-26 松下電器産業株式会社 記録再生装置
DE3732941A1 (de) * 1987-09-30 1989-04-20 Thomson Brandt Gmbh Geraet zur wiedergabe von daten
US4967404A (en) * 1988-12-05 1990-10-30 Eastman Kodak Company Focus/tracking servo automatic gain control for optical recording
NL9200808A (nl) * 1992-05-06 1993-12-01 Philips Electronics Nv Optische schrijf- en/of leesinrichting.
JP3092756B2 (ja) * 1992-07-24 2000-09-25 ソニー株式会社 光デイスク装置
US7522480B2 (en) 2001-01-25 2009-04-21 Dphi Acquisitions, Inc. Digital tracking servo system with multi-track seek with an acceleration clamp
WO2005034105A2 (en) 2003-10-06 2005-04-14 Koninklijke Philips Electronics N.V. Optical disc drive and method for controlling the position of a lens
TWI292905B (en) * 2005-06-20 2008-01-21 Mediatek Inc Control circuit of optical storage device and method thereof

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7315419A (nl) * 1973-11-10 1975-05-13 Philips Nv Inrichting voor het uitlezen van een schijfvor- mige registratiedrager.
US3932700A (en) * 1974-02-04 1976-01-13 Zenith Radio Corporation Focus tracking registration for optical reproducing systems
AR205839A1 (es) * 1974-09-30 1976-06-07 Mca Disco Vision Servodisposicion para recorrer opticamente y leer simultaneamente un canal de informacion almacenado en un disco de video
NL182258C (nl) * 1976-01-28 1988-02-01 Philips Nv Inrichting voor het uitlezen van een vlakke registratiedrager met een optisch uitleesbare informatiestructuur.
DE2724917A1 (de) * 1977-06-02 1978-12-14 Bosch Gmbh Robert Einrichtung und schaltungsanordnung zur spurabtastung einer videoplatte
US4337534A (en) * 1979-04-18 1982-06-29 Discovision Associates Solid state electro-optical track follower array
NL7904724A (nl) * 1979-06-18 1980-12-22 Philips Nv Optische aftastinrichting met fokusseerstelsel.
DE3038650C2 (de) * 1979-10-12 1983-05-19 Universal Pioneer Corp., Tokyo Vorrichtung zum Wiedergeben der von einer Videoplatte gelesenen Information
JPS6048809B2 (ja) * 1979-10-16 1985-10-29 パイオニアビデオ株式会社 情報読取装置におけるトラッキングサ−ボ引込装置

Also Published As

Publication number Publication date
BE895140A (fr) 1983-05-25
IT1153661B (it) 1987-01-14
GB2110434A (en) 1983-06-15
DK159695B (da) 1990-11-19
ES8308463A1 (es) 1983-08-16
CA1193724A (en) 1985-09-17
AU551544B2 (en) 1986-05-01
DE3242785A1 (de) 1983-06-01
US4471477A (en) 1984-09-11
DK522082A (da) 1983-05-27
GB2110434B (en) 1985-05-01
FR2517154A1 (fr) 1983-05-27
IT8224387A1 (it) 1984-05-23
IT8224387A0 (it) 1982-11-23
ES517633A0 (es) 1983-08-16
NL8105347A (nl) 1983-06-16
JPS58100241A (ja) 1983-06-14
DE3242785C2 (en, 2012) 1991-06-20
AU9080182A (en) 1983-06-02
FR2517154B1 (en, 2012) 1984-12-28
DK159695C (da) 1991-04-15
JPH0328738B2 (en, 2012) 1991-04-22

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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)