IT1153661B - Apparato per l'esplorazione ottica di un supporto di registrazione in forma di disco - Google Patents

Apparato per l'esplorazione ottica di un supporto di registrazione in forma di disco

Info

Publication number
IT1153661B
IT1153661B IT24387/82A IT2438782A IT1153661B IT 1153661 B IT1153661 B IT 1153661B IT 24387/82 A IT24387/82 A IT 24387/82A IT 2438782 A IT2438782 A IT 2438782A IT 1153661 B IT1153661 B IT 1153661B
Authority
IT
Italy
Prior art keywords
disc
recording support
optical exploration
exploration
optical
Prior art date
Application number
IT24387/82A
Other languages
English (en)
Other versions
IT8224387A1 (it
IT8224387A0 (it
Inventor
Martinus Petrus Maria Bierhoff
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of IT8224387A0 publication Critical patent/IT8224387A0/it
Publication of IT8224387A1 publication Critical patent/IT8224387A1/it
Application granted granted Critical
Publication of IT1153661B publication Critical patent/IT1153661B/it

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
IT24387/82A 1981-11-26 1982-11-23 Apparato per l'esplorazione ottica di un supporto di registrazione in forma di disco IT1153661B (it)

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 (3)

Publication Number Publication Date
IT8224387A0 IT8224387A0 (it) 1982-11-23
IT8224387A1 IT8224387A1 (it) 1984-05-23
IT1153661B true IT1153661B (it) 1987-01-14

Family

ID=19838451

Family Applications (1)

Application Number Title Priority Date Filing Date
IT24387/82A IT1153661B (it) 1981-11-26 1982-11-23 Apparato per l'esplorazione ottica di un supporto di registrazione in forma di disco

Country Status (13)

Country Link
US (1) US4471477A (it)
JP (1) JPS58100241A (it)
AU (1) AU551544B2 (it)
BE (1) BE895140A (it)
CA (1) CA1193724A (it)
DE (1) DE3242785A1 (it)
DK (1) DK159695C (it)
ES (1) ES8308463A1 (it)
FR (1) FR2517154A1 (it)
GB (1) GB2110434B (it)
HK (1) HK3086A (it)
IT (1) IT1153661B (it)
NL (1) NL8105347A (it)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105346A (it) * 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
CN1864211A (zh) * 2003-10-06 2006-11-15 皇家飞利浦电子股份有限公司 光盘驱动器和控制透镜位置的方法
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.
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
DE3038650C2 (de) * 1979-10-12 1983-05-19 Universal Pioneer Corp., Tokyo Vorrichtung zum Wiedergeben der von einer Videoplatte gelesenen Information

Also Published As

Publication number Publication date
ES517633A0 (es) 1983-08-16
DE3242785C2 (it) 1991-06-20
DK522082A (da) 1983-05-27
DE3242785A1 (de) 1983-06-01
GB2110434B (en) 1985-05-01
ES8308463A1 (es) 1983-08-16
HK3086A (en) 1986-01-24
FR2517154A1 (fr) 1983-05-27
DK159695B (da) 1990-11-19
IT8224387A1 (it) 1984-05-23
BE895140A (fr) 1983-05-25
CA1193724A (en) 1985-09-17
GB2110434A (en) 1983-06-15
FR2517154B1 (it) 1984-12-28
DK159695C (da) 1991-04-15
IT8224387A0 (it) 1982-11-23
JPH0328738B2 (it) 1991-04-22
US4471477A (en) 1984-09-11
AU551544B2 (en) 1986-05-01
NL8105347A (nl) 1983-06-16
AU9080182A (en) 1983-06-02
JPS58100241A (ja) 1983-06-14

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971128