IT1071195B - Dispositivo di lettura per registrazioni a disco..particolarmente per segnali televisivi - Google Patents

Dispositivo di lettura per registrazioni a disco..particolarmente per segnali televisivi

Info

Publication number
IT1071195B
IT1071195B IT69046/76A IT6904676A IT1071195B IT 1071195 B IT1071195 B IT 1071195B IT 69046/76 A IT69046/76 A IT 69046/76A IT 6904676 A IT6904676 A IT 6904676A IT 1071195 B IT1071195 B IT 1071195B
Authority
IT
Italy
Prior art keywords
partically
reading device
television signals
disc recordings
recordings
Prior art date
Application number
IT69046/76A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT1071195B publication Critical patent/IT1071195B/it

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/7605—Television signal recording on discs or drums
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08529—Methods and circuits to control the velocity of the head as it traverses the tracks
    • 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
    • G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
    • G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
    • G11B7/08564—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements using galvanomirrors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S358/00—Facsimile and static presentation processing
    • Y10S358/907—Track skippers, i.e. "groove skippers"
IT69046/76A 1975-08-21 1976-08-18 Dispositivo di lettura per registrazioni a disco..particolarmente per segnali televisivi IT1071195B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7509906A NL7509906A (nl) 1975-08-21 1975-08-21 Inrichting voor het uitlezen van een schijfvor- mige registratiedrager.

Publications (1)

Publication Number Publication Date
IT1071195B true IT1071195B (it) 1985-04-02

Family

ID=19824332

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69046/76A IT1071195B (it) 1975-08-21 1976-08-18 Dispositivo di lettura per registrazioni a disco..particolarmente per segnali televisivi

Country Status (21)

Country Link
US (1) US4057832A (it)
JP (1) JPS5226802A (it)
AR (1) AR212969A1 (it)
AT (1) AT351818B (it)
AU (1) AU500259B2 (it)
BE (1) BE845349A (it)
BR (1) BR7605419A (it)
CA (1) CA1086858A (it)
CH (1) CH607510A5 (it)
DE (1) DE2635689C2 (it)
DK (1) DK372676A (it)
ES (1) ES450801A1 (it)
FR (1) FR2321808A1 (it)
GB (1) GB1553294A (it)
HK (1) HK8980A (it)
IT (1) IT1071195B (it)
NL (1) NL7509906A (it)
NO (1) NO762851L (it)
NZ (1) NZ181796A (it)
SE (2) SE7609171L (it)
ZA (1) ZA764641B (it)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2376486A1 (fr) * 1977-01-04 1978-07-28 Thomson Brandt Systeme generateur d'impulsion de saut de piste et lecteur optique muni d'un tel systeme
NL182687C (nl) * 1977-03-17 1988-04-18 Philips Nv Systeem voor het weergeven van een op een schijfvormige registratiedrager opgetekend programma, alsmede een uitleesinrichting en registratiedrager voor toepassing in een dergelijk systeem.
US4160270A (en) * 1977-09-22 1979-07-03 Rca Corporation Tracking servo system for video disc player/recorder
JPS5498517A (en) * 1978-01-20 1979-08-03 Victor Co Of Japan Ltd Reproducer for information signal
US4488275A (en) * 1978-03-27 1984-12-11 Discovision Associates Tracking system for video disc player
US4332022A (en) * 1978-03-27 1982-05-25 Discovision Associates Tracking system and method for video disc player
SE7813460L (sv) * 1978-03-27 1979-09-28 Mca Disco Vision Videoskivspelare
USRE32051E (en) * 1978-03-27 1985-12-17 Discovision Associates Tracking system and method for video disc player
AU573128B2 (en) * 1978-03-27 1988-05-26 Discovision Associates Tracking method and tracking system
USRE32709E (en) * 1978-03-27 1988-07-05 Discovision Associates Tracking system for video disc player
AU573127B2 (en) * 1978-03-27 1988-05-26 Discovision Associates Tracking method for recorded information
NL7810298A (nl) * 1978-10-13 1980-04-15 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager.
JPS5599889A (en) * 1979-01-05 1980-07-30 Pioneer Video Corp Tracking control unit in information reader
DE3017280C2 (de) * 1979-05-09 1986-02-20 Victor Company Of Japan, Ltd., Yokohama, Kanagawa Wiedergabevorrichtung in einem Gerät zur Wiedergabe von Signalen von einem rotierenden Aufzeichnungsträger
FR2458126A1 (fr) * 1979-05-31 1980-12-26 Thomson Brandt Systeme de commande de changement de face lue pour un lecteur optique de support d'information et lecteur optique comportant un tel systeme
JPS5644164A (en) * 1979-09-14 1981-04-23 Matsushita Electric Ind Co Ltd Information signal reproducing device
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
JPS6045483B2 (ja) * 1979-10-13 1985-10-09 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−ボ装置
JPS6331218Y2 (it) * 1979-11-08 1988-08-22
JPS56119942A (en) * 1980-02-27 1981-09-19 Fujitsu Ltd Track access system optical disc device
JPS56165957A (en) * 1980-05-27 1981-12-19 Victor Co Of Japan Ltd Control pulse generator for reproducing converter feeding in rotating recording medium reproducing device
NL8003305A (nl) * 1980-06-06 1982-01-04 Philips Nv Inrichting voor het opzoeken van een gewenst informa- tiespoor.
JPS6215864Y2 (it) * 1980-08-04 1987-04-22
JPS615624Y2 (it) * 1980-09-30 1986-02-20
JPS57147168A (en) * 1981-03-05 1982-09-10 Matsushita Electric Ind Co Ltd Jumping scanner
JPS57181432A (en) * 1981-04-10 1982-11-08 Olympus Optical Co Ltd Optical type disc reproducer
JPS57176544A (en) * 1981-04-23 1982-10-29 Olympus Optical Co Ltd Still reproducing system for optical video disc reproducer
JPS57186239A (en) * 1981-05-11 1982-11-16 Sony Corp Disc reproducing device
JPS5897138A (ja) * 1981-12-04 1983-06-09 Hitachi Ltd 光スポットの位置検出方法及び光スポットの位置制御装置
US4504939A (en) * 1981-12-10 1985-03-12 Discovision Associates Storage medium track pitch detector
JPS58115638A (ja) * 1981-12-28 1983-07-09 Fujitsu Ltd キツクバツク制御方式
DE3300951C2 (de) * 1982-01-16 1994-10-27 Sony Corp Verfahren und Einrichtung zum schnellen Bewegen einer Abtasteinrichtung eines Informationssignal-Wiedergabegerätes
DE3348470C2 (de) * 1982-01-16 1997-12-18 Sony Corp Einrichtung zum schnellen Bewegen einer Abtasteinrichtung für ein Informationssignal-Wiedergabegerät
US4432083A (en) * 1982-02-17 1984-02-14 Burroughs Corporation Optical memory system having track following
US4435797A (en) 1982-02-17 1984-03-06 Burroughs Corporation Optical memory system having track following and seeking capabilities
US4432082A (en) * 1982-02-17 1984-02-14 Burroughs Corporation Optical memory system having a long seek capability
US4489406A (en) * 1982-02-17 1984-12-18 Burroughs Corporation Optical memory system having a short seek capability
JPS58143472A (ja) * 1982-02-22 1983-08-26 Hitachi Ltd 記録情報再生装置のトラツキングサ−ボ制御装置
JPS58188340A (ja) * 1982-04-28 1983-11-02 Sony Corp 光学式再生装置
JPS58200473A (ja) * 1982-05-19 1983-11-22 Pioneer Video Kk 情報読取装置
JPS592240A (ja) * 1982-06-25 1984-01-07 Pioneer Electronic Corp トラツキングサ−ボ装置
JPS5984379A (ja) * 1982-11-08 1984-05-16 Nec Corp デイスク状記録担体のトラツクアクセス装置
JPS5997411A (ja) * 1982-11-25 1984-06-05 Sharp Corp 気化式液体燃料燃焼装置
NL8303029A (nl) * 1983-08-31 1985-03-18 Philips Nv Inrichting voor het uitlezen van een schijfvormige optische registratiedrager.
JPS60143442A (ja) * 1983-12-28 1985-07-29 Olympus Optical Co Ltd トラツキング方式
JPS6273430A (ja) * 1985-09-26 1987-04-04 Canon Inc 光情報記録再生装置
US4768180A (en) * 1986-03-17 1988-08-30 Laser Magnetic Storage International Company Multistage tracking system
JPS62269483A (ja) * 1986-05-16 1987-11-21 Canon Inc 映像信号再生装置
JPH073731B2 (ja) * 1987-04-28 1995-01-18 シャープ株式会社 光ディスク装置におけるトラックジャンプ制御方法
JPH0748257B2 (ja) * 1987-05-07 1995-05-24 富士通株式会社 光ディスク装置のマルチトラックジャンプ回路
US4779251A (en) * 1987-06-12 1988-10-18 Optimem Optical disk memory system with closed loop micro-jump between adjacent tracks
JPS643826A (en) * 1987-06-25 1989-01-09 Mitsubishi Electric Corp Optical disk device
JPH01217732A (ja) * 1988-02-24 1989-08-31 Canon Inc 光学的情報記録再生装置
JPH0654543B2 (ja) * 1988-07-22 1994-07-20 シャープ株式会社 光ピックアップのトラックジャンプ装置
JPS6446385A (en) * 1988-08-01 1989-02-20 Pioneer Electronic Corp Tracking controller in information reader
JPH02103790A (ja) * 1988-10-11 1990-04-16 Pioneer Electron Corp トラッキングサーボ装置
JP2615488B2 (ja) * 1989-02-07 1997-05-28 松下電器産業株式会社 光学式記録再生装置のトラッキング制御装置
ATE175801T1 (de) * 1990-09-18 1999-01-15 Rodime Plc Digitale servosteuerung für ein plattenlaufwerk
JP2586206B2 (ja) * 1990-11-09 1997-02-26 三菱電機株式会社 ディスク駆動装置
JP2570915B2 (ja) * 1991-04-12 1997-01-16 株式会社日立製作所 光スポット制御方法
JPH05298809A (ja) * 1992-04-16 1993-11-12 Sony Corp 光ディスク装置
KR0135787B1 (ko) * 1995-05-13 1998-05-15 김광호 씨디-롬 드라이브에서의 디스크 캘리브레인션 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL173343C (nl) * 1972-03-29 1984-01-02 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager met in optische vorm gecodeerde beeld-en/of geluidssignalen.
NL160138C (nl) * 1972-05-11 1979-09-17 Philips Nv Inrichting voor het uitlezen van een vlakke registratie- drager.
US3911211A (en) * 1974-04-17 1975-10-07 Zenith Radio Corp Stop frame for optical playback system

Also Published As

Publication number Publication date
US4057832A (en) 1977-11-08
AU500259B2 (en) 1979-05-17
FR2321808B1 (it) 1982-05-14
BR7605419A (pt) 1977-08-16
AU1692176A (en) 1978-02-23
DE2635689C2 (de) 1982-10-21
NZ181796A (en) 1979-08-31
ATA613476A (de) 1979-01-15
ES450801A1 (es) 1977-08-16
JPS5226802A (en) 1977-02-28
NL7509906A (nl) 1977-02-23
DK372676A (da) 1977-02-22
CA1086858A (en) 1980-09-30
ZA764641B (en) 1978-03-29
JPS571051B2 (it) 1982-01-09
SE406658B (sv) 1979-02-19
GB1553294A (en) 1979-09-26
FR2321808A1 (fr) 1977-03-18
CH607510A5 (it) 1978-12-29
NO762851L (it) 1977-02-22
BE845349A (fr) 1977-02-21
AT351818B (de) 1979-08-10
HK8980A (en) 1980-03-14
SE7609171L (sv) 1977-02-22
AR212969A1 (es) 1978-11-30
DE2635689A1 (de) 1977-03-03

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