IT7969370A0 - Dispositivo per la lettura ottica di un sopporto di registrazione aforma di disco particolarmente per la localizzazione rapida della desiderata sezione del programma - Google Patents

Dispositivo per la lettura ottica di un sopporto di registrazione aforma di disco particolarmente per la localizzazione rapida della desiderata sezione del programma

Info

Publication number
IT7969370A0
IT7969370A0 IT7969370A IT6937079A IT7969370A0 IT 7969370 A0 IT7969370 A0 IT 7969370A0 IT 7969370 A IT7969370 A IT 7969370A IT 6937079 A IT6937079 A IT 6937079A IT 7969370 A0 IT7969370 A0 IT 7969370A0
Authority
IT
Italy
Prior art keywords
disc
program
recording media
shaped recording
optical reading
Prior art date
Application number
IT7969370A
Other languages
English (en)
Other versions
IT1119966B (it
Inventor
Ate Van Dijk
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 IT7969370A0 publication Critical patent/IT7969370A0/it
Application granted granted Critical
Publication of IT1119966B publication Critical patent/IT1119966B/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
    • G11B7/085Disposition 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
    • G11B7/08505Methods for track change, selection or preliminary positioning by moving the head
    • G11B7/08517Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in 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
    • 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
IT69370/79A 1978-12-13 1979-12-10 Dispositivo per la lettura ottica di un sopporto di registrazione a forma di disco particolarmente per la localizzazione rapida della desiderata sezione del programma IT1119966B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7812111A NL7812111A (nl) 1978-12-13 1978-12-13 Inrichting voor het optisch uitlezen van een schijf- vormige registratiedrager, in het bijzonder het snel opzoeken van een gewenst programmagedeelte.

Publications (2)

Publication Number Publication Date
IT7969370A0 true IT7969370A0 (it) 1979-12-10
IT1119966B IT1119966B (it) 1986-03-19

Family

ID=19832063

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69370/79A IT1119966B (it) 1978-12-13 1979-12-10 Dispositivo per la lettura ottica di un sopporto di registrazione a forma di disco particolarmente per la localizzazione rapida della desiderata sezione del programma

Country Status (18)

Country Link
US (1) US4330880A (it)
JP (1) JPS5927973B2 (it)
AR (1) AR220790A1 (it)
AT (1) AT371270B (it)
AU (1) AU533655B2 (it)
BE (1) BE880545A (it)
BR (1) BR7908048A (it)
CA (1) CA1161555A (it)
DE (1) DE2949516C2 (it)
DK (1) DK524679A (it)
ES (1) ES486748A1 (it)
FR (1) FR2444314A1 (it)
GB (1) GB2037460B (it)
IT (1) IT1119966B (it)
MX (1) MX151082A (it)
NL (1) NL7812111A (it)
NZ (1) NZ192349A (it)
SE (1) SE443891B (it)

Families Citing this family (62)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6331218Y2 (it) * 1979-11-08 1988-08-22
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
JPS6331219Y2 (it) * 1980-11-19 1988-08-22
JPS57105866A (en) * 1980-12-23 1982-07-01 Matsushita Electric Ind Co Ltd Pcm-audio disc playback device
JPS6220900Y2 (it) * 1981-02-06 1987-05-27
JPS57176568A (en) * 1981-04-22 1982-10-29 Pioneer Electronic Corp Relative movement controller between pickup and recording track for information reader
JPS57181430A (en) * 1981-04-30 1982-11-08 Sony Corp Dad player
JPS57186239A (en) * 1981-05-11 1982-11-16 Sony Corp Disc reproducing device
US4454415A (en) * 1981-06-30 1984-06-12 Storage Technology Corporation Tracking mirror assembly and control system for an optical data storage disc
JPS58122676A (ja) * 1982-01-16 1983-07-21 Sony Corp デイスクのトラツク・ジヤンプ装置
JPS5862868A (ja) * 1981-10-09 1983-04-14 Pioneer Video Corp 情報再生装置における高速アドレス情報探索方式
EP0302138A1 (en) * 1981-10-28 1989-02-08 Discovision Associates Method of locating on a record disc a track, containing information, selected as target
KR880000999B1 (ko) * 1981-11-25 1988-06-10 미쓰다 가쓰시게 광학적 정보 기억장치
US4466088A (en) * 1981-12-21 1984-08-14 Burroughs Corporation Galvo position sensor for track selection in optical data disk system
US4701898A (en) * 1981-12-21 1987-10-20 Discovision Associates Method and apparatus for locating a selected track on a record disc
US4774699A (en) * 1981-12-21 1988-09-27 Discovision Associates Method and apparatus for positioning a read head to a selected track on a record disc
US4556964A (en) * 1981-12-21 1985-12-03 Burroughs Corporation Technique for monitoring galvo angle
NL8200208A (nl) * 1982-01-21 1983-08-16 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager.
US4432082A (en) * 1982-02-17 1984-02-14 Burroughs Corporation Optical memory system having a long seek capability
US4435797A (en) * 1982-02-17 1984-03-06 Burroughs Corporation Optical memory system having track following and seeking capabilities
US4432083A (en) * 1982-02-17 1984-02-14 Burroughs Corporation Optical memory system having track following
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
JPH0666107B2 (ja) * 1982-02-26 1994-08-24 松下電器産業株式会社 再生装置
JPH0752564B2 (ja) * 1982-04-23 1995-06-05 松下電器産業株式会社 再生装置
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
JPS5940328A (ja) * 1982-08-31 1984-03-06 Nec Home Electronics Ltd 光学ピツクアツプのトラツキング制御回路
US4564757A (en) * 1982-09-30 1986-01-14 Burroughs Corporation Mirror position sensor for improved track selection in optical data disk system
JPS59116972A (ja) * 1982-12-23 1984-07-06 Olympus Optical Co Ltd 光学式記録再生装置用トラッキング装置の異常状態処理装置
JPS59152572A (ja) * 1983-02-18 1984-08-31 Pioneer Electronic Corp 光学式デイスク再生装置
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
JPS6045984A (ja) * 1983-08-22 1985-03-12 Sony Corp 光記録/再生装置
NL8303029A (nl) * 1983-08-31 1985-03-18 Philips Nv Inrichting voor het uitlezen van een schijfvormige optische registratiedrager.
JPS60102769U (ja) * 1983-12-14 1985-07-13 パイオニア株式会社 記録情報再生装置
US4684797A (en) * 1984-02-29 1987-08-04 Kabushiki Kaisha Toshiba Optical system and method for reducing vibration of an objective lens in an optical head assembly of an optical read/write system
DE3546649C2 (it) * 1984-04-27 1990-11-29 Pioneer Electronic Corp., Tokio/Tokyo, Jp
JPS60256927A (ja) * 1984-06-01 1985-12-18 Nippon Gakki Seizo Kk 光学式デイスク再生装置の読取り制御装置
US4752922A (en) * 1984-07-06 1988-06-21 Storage Technology Partners 11 Optical disk recording and readout system having read, write and coarse light beams
NL8403534A (nl) * 1984-11-21 1986-06-16 Philips Nv Inrichting voor het uitlezen van een schijfvormige registratiedrager.
JPH0345904Y2 (it) * 1984-12-10 1991-09-27
JPH0345905Y2 (it) * 1984-12-17 1991-09-27
US4831615A (en) * 1985-01-30 1989-05-16 Nippon Columbia Co., Ltd. Dual differential optical system moving apparatus
US4858214A (en) * 1985-02-15 1989-08-15 Canon Kabushiki Kaisha Tracking control apparatus
JP2644720B2 (ja) * 1985-02-25 1997-08-25 株式会社日立製作所 トラック引込み方法
DE3508422A1 (de) * 1985-03-09 1986-09-11 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung fuer ein abspielgeraet von audio- und/oder videoplatten
US4740939A (en) * 1985-05-22 1988-04-26 Hitachi Ltd. Apparatus for reproducing information recorded on a disk
US4785440A (en) * 1985-05-24 1988-11-15 Canon Kabushiki Kaisha Method and apparatus for driving an optical pickup of an optical information recording and reproducing apparatus
JPS6273430A (ja) * 1985-09-26 1987-04-04 Canon Inc 光情報記録再生装置
DE3520189A1 (de) * 1985-06-05 1986-12-11 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Verfahren fuer das spurspringen bei spursuchvorgaengen und schaltungsanordnung zur durchfuehrung des verfahrens
JPH06103535B2 (ja) * 1985-06-12 1994-12-14 オリンパス光学工業株式会社 光学式情報記録再生装置
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
US4768180A (en) * 1986-03-17 1988-08-30 Laser Magnetic Storage International Company Multistage tracking system
JPH06101125B2 (ja) * 1986-05-21 1994-12-12 キヤノン株式会社 光学的情報記録再生装置
US4811317A (en) * 1987-06-25 1989-03-07 Eastman Kodak Company Clock resynchronization after a track jump
US4897827A (en) * 1987-12-12 1990-01-30 U.S. Philips Corporation Video disc player with rapid track access means
JP2646130B2 (ja) * 1989-03-13 1997-08-25 パイオニア株式会社 トラックジャンプ駆動装置
JP2593941B2 (ja) * 1989-08-19 1997-03-26 富士通株式会社 光ディスク装置のアクチュエータオフセット除去装置
JP2950011B2 (ja) * 1992-04-06 1999-09-20 松下電器産業株式会社 ミラー駆動装置
JPH05334703A (ja) * 1992-05-29 1993-12-17 Matsushita Electric Ind Co Ltd ミラー移動量検出装置
CN1120396C (zh) 1998-07-21 2003-09-03 皇家菲利浦电子有限公司 控制系统、驱动系统和控制方法,包括驱动系统的设备

Family Cites Families (4)

* 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.
US4037252A (en) * 1973-11-10 1977-07-19 U.S. Philips Corporation Apparatus for reading a disc-shaped record carrier with plural scanning spots for stable radial tracking
GB1577133A (en) * 1976-03-19 1980-10-22 Rca Corp Video information record and playback apparatus
NL7810386A (nl) * 1978-10-17 1980-04-21 Philips Nv Optische leesinrichting voor het uitlezen van een schijfvormige registratiedrager.

Also Published As

Publication number Publication date
GB2037460A (en) 1980-07-09
ATA788279A (de) 1982-10-15
MX151082A (es) 1984-09-25
NL7812111A (nl) 1980-06-17
AU5368179A (en) 1980-06-19
BE880545A (fr) 1980-06-11
DE2949516A1 (de) 1980-06-19
BR7908048A (pt) 1980-07-22
US4330880A (en) 1982-05-18
SE443891B (sv) 1986-03-10
JPS5589923A (en) 1980-07-08
AT371270B (de) 1983-06-10
AR220790A1 (es) 1980-11-28
GB2037460B (en) 1982-11-17
DK524679A (da) 1980-06-14
AU533655B2 (en) 1983-12-01
ES486748A1 (es) 1980-06-16
NZ192349A (en) 1982-12-07
IT1119966B (it) 1986-03-19
DE2949516C2 (de) 1982-03-04
JPS5927973B2 (ja) 1984-07-10
CA1161555A (en) 1984-01-31
FR2444314A1 (fr) 1980-07-11
SE7910129L (sv) 1980-06-14
FR2444314B1 (it) 1983-07-08

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