BE849138A - Systeme de commande du positionnement de la tete d'un lecteur de disque et notamment de videodisque - Google Patents

Systeme de commande du positionnement de la tete d'un lecteur de disque et notamment de videodisque

Info

Publication number
BE849138A
BE849138A BE173029A BE173029A BE849138A BE 849138 A BE849138 A BE 849138A BE 173029 A BE173029 A BE 173029A BE 173029 A BE173029 A BE 173029A BE 849138 A BE849138 A BE 849138A
Authority
BE
Belgium
Prior art keywords
videodisc
positioning
head
control system
disc player
Prior art date
Application number
BE173029A
Other languages
English (en)
French (fr)
Inventor
M G Mathieu
A J L Le Rodallec
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 filed Critical
Publication of BE849138A publication Critical patent/BE849138A/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
    • G11B7/085—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
    • G11B7/08511—Methods for track change, selection or preliminary positioning by moving the head with focus pull-in only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/24—Producing shaped prefabricated articles from the material by injection moulding
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
    • G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
    • G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
    • G11B27/3027—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording used signal is digitally coded
    • G11B27/3036—Time code signal
    • G11B27/3054—Vertical Interval Time code [VITC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2587—Laser Discs; Optical disc using analog recording
BE173029A 1975-12-29 1976-12-07 Systeme de commande du positionnement de la tete d'un lecteur de disque et notamment de videodisque BE849138A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7540403A FR2337472A1 (fr) 1975-12-29 1975-12-29 Systeme de commande du positionnement de la tete d'un lecteur de disque et notamment de videodisque

Publications (1)

Publication Number Publication Date
BE849138A true BE849138A (fr) 1977-04-01

Family

ID=9164441

Family Applications (1)

Application Number Title Priority Date Filing Date
BE173029A BE849138A (fr) 1975-12-29 1976-12-07 Systeme de commande du positionnement de la tete d'un lecteur de disque et notamment de videodisque

Country Status (7)

Country Link
US (1) US4555736A (xx)
JP (1) JPS6019187B2 (xx)
BE (1) BE849138A (xx)
DE (1) DE2657916C2 (xx)
FR (1) FR2337472A1 (xx)
GB (1) GB1567054A (xx)
NL (1) NL174999C (xx)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4506355A (en) * 1981-08-24 1985-03-19 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
EP0007199B1 (en) * 1978-06-30 1986-12-30 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
US4375091A (en) * 1978-06-30 1983-02-22 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
ATE44106T1 (de) * 1978-06-30 1989-06-15 Discovision Ass Verfahren und vorrichtung zur informationswiedergabe von einem optisch lesbaren speichermedium.
USRE32574E (en) * 1978-06-30 1988-01-05 Discovision Associates Method and apparatus for information retrieval from an optically readable storage medium
FR2466081A1 (fr) * 1979-09-21 1981-03-27 Cii Honeywell Bull Dispositif de mesure de vitesse d'un systeme mobile par rapport a un support d'informations
FI803144L (fi) * 1979-10-12 1981-04-13 Rca Corp Foerbaettrad digital kodning foer videosystem
US4313134A (en) * 1979-10-12 1982-01-26 Rca Corporation Track error correction system as for video disc player
US4307418A (en) * 1979-10-12 1981-12-22 Rca Corporation Video disc player system for correlating stylus position with information previously detected from disc
NL7908476A (nl) * 1979-11-21 1981-06-16 Philips Nv Inrichting voor interaktieve beeldweergave.
JPS5730476A (en) * 1980-07-29 1982-02-18 Pioneer Video Corp Recording and reproduction system for video disk
JPS5736479A (en) * 1980-07-29 1982-02-27 Victor Co Of Japan Ltd Automatic program searching playback device in playback device
JPS5835707A (ja) * 1981-08-25 1983-03-02 Sony Corp Ｄａｄプレ−ヤ
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
US4536863A (en) * 1982-04-15 1985-08-20 Discovision Associates Method and apparatus for recovering information from a videodisc
US4706133A (en) * 1982-04-15 1987-11-10 Discovision Associates Method and apparatus for recovering information from a videodisc
JPS58189872A (ja) * 1982-04-30 1983-11-05 Toshiba Corp ダイレクトアクセス装置
JPS59127271A (ja) * 1983-01-07 1984-07-23 Canon Inc トランスデユ−サの送り装置
JP2510410B2 (ja) * 1983-10-27 1996-06-26 パイオニア株式会社 デイスクプレ−ヤの情報選択装置
US4736352A (en) * 1983-11-25 1988-04-05 Matsushita Electric Industrial Co., Ltd. Optical recording medium and apparatus for recording and reproducing data therein
DE3546649C2 (xx) * 1984-04-27 1990-11-29 Pioneer Electronic Corp., Tokio/Tokyo, Jp
US5130962A (en) * 1984-07-24 1992-07-14 Canon Kabushiki Kaisha Tracking control arrangement for information signal reproducing apparatus
US5228020A (en) * 1985-01-31 1993-07-13 Matsushita Electric Industrial Co., Ltd. System for detecting rotational deviation of a rotary recording medium and an apparatus for reproducing a signal from the recording medium
US4740939A (en) * 1985-05-22 1988-04-26 Hitachi Ltd. Apparatus for reproducing information recorded on a disk
KR100188253B1 (ko) * 1996-10-17 1999-06-01 윤종용 비디오-컴팩트디스크 서어치시 오버-스톱 재생방지방법

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1270597B (de) * 1965-03-25 1968-06-20 Siemens Ag Videomagnetbandgeraet einer Roentgenfernseheinrichtung
US3530447A (en) * 1966-12-02 1970-09-22 Digital Equipment Corp Transducer positioning indexer in magnetic disc recorder
US3654624A (en) * 1969-03-17 1972-04-04 Precision Instr Co Laser recording system using drum mounted record strips
US3662363A (en) * 1969-04-17 1972-05-09 Eg & G Inc Memory system using phonograph-type disc
US3662350A (en) * 1970-01-28 1972-05-09 Eg & G Inc Random access memory system employing a phonograph disk
US3737877A (en) * 1970-09-24 1973-06-05 Energy Conversion Devices Inc Data storage system with coarse and fine directing means
NL7212015A (xx) * 1972-09-04 1974-03-06
US3812533A (en) * 1972-12-22 1974-05-21 Vermont Res Corp Information storage unit transducer positioning system
US4142232A (en) * 1973-07-02 1979-02-27 Harvey Norman L Student's computer
SE7405076L (sv) * 1974-04-16 1975-10-17 Erik Gerhard Natanel Westberg Optiskt massdataminne.
US3956766A (en) * 1974-11-25 1976-05-11 International Business Machines Corporation Counter resetting circuitry for magnetic disk system
DE2522405C2 (de) * 1975-05-21 1982-04-15 Philips Patentverwaltung Gmbh, 2000 Hamburg Optisches Mehrkanal-Plattenspeichersystem zum Speichern von digitaler Information
US4094013A (en) * 1975-05-22 1978-06-06 U.S. Philips Corporation Optical storage disk system with disk track guide sectors
US4031443A (en) * 1975-05-22 1977-06-21 Compagnie Honeywell Bull (Societe Anonyme) Apparatus for positionally controlling a movable head assembly

Also Published As

Publication number Publication date
DE2657916A1 (de) 1977-07-07
GB1567054A (en) 1980-05-08
US4555736A (en) 1985-11-26
NL7614461A (nl) 1977-07-01
DE2657916C2 (de) 1983-04-07
NL174999B (nl) 1984-04-02
NL174999C (nl) 1984-09-03
FR2337472B1 (xx) 1981-07-31
JPS52115616A (en) 1977-09-28
FR2337472A1 (fr) 1977-07-29
JPS6019187B2 (ja) 1985-05-15

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: LE RODALLEC ANDRE J.L.

Effective date: 19891231

Owner name: TELEDIFFUSION DE FRANCE

Effective date: 19891231