FR2376486A1 - Systeme generateur d'impulsion de saut de piste et lecteur optique muni d'un tel systeme - Google Patents

Systeme generateur d'impulsion de saut de piste et lecteur optique muni d'un tel systeme

Info

Publication number
FR2376486A1
FR2376486A1 FR7700079A FR7700079A FR2376486A1 FR 2376486 A1 FR2376486 A1 FR 2376486A1 FR 7700079 A FR7700079 A FR 7700079A FR 7700079 A FR7700079 A FR 7700079A FR 2376486 A1 FR2376486 A1 FR 2376486A1
Authority
FR
France
Prior art keywords
track
pulse generator
analysis
track jump
images
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7700079A
Other languages
English (en)
Other versions
FR2376486B1 (fr
Inventor
Rene Romeas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thomson-Brandt SA
Original Assignee
Thomson-Brandt SA
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 Thomson-Brandt SA filed Critical Thomson-Brandt SA
Priority to FR7700079A priority Critical patent/FR2376486A1/fr
Priority to US05/865,331 priority patent/US4460927A/en
Priority to JP11478A priority patent/JPS53111228A/ja
Publication of FR2376486A1 publication Critical patent/FR2376486A1/fr
Application granted granted Critical
Publication of FR2376486B1 publication Critical patent/FR2376486B1/fr
Granted legal-status Critical Current

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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B21/00—Head arrangements not specific to the method of recording or reproducing
    • G11B21/02—Driving or moving of heads
    • G11B21/08—Track changing or selecting during transducing operation
    • G11B21/081—Access to indexed tracks or parts of continuous track
    • G11B21/083—Access to indexed tracks or parts of continuous track on 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]
    • 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
    • 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

Abstract

L'invention se rapporte à la lecture optique d'une piste en spirale ou en cercles concentriques, portée par un support d'information, généralement un disque, et le long de laquelle sont enregistrés des signaux de télévision. Le système générateur d'impulsion de saut de piste selon l'invention comprend des moyens de comparaison de bits inscrits en tête de deux trames contiguës, afin de déterminer si la trame en cours de lecture appartient ou non à la même image et des moyens de génération d'une impulsion de commande de saut lorsque l'identité des bits est constatée. L'invention s'applique notamment à l'enregistrement de signaux de télévision provenant de l'analyse des images d'un film. Elle permet en particulier d'obtenir l'arrêt sur image par saut de piste aussi bien dans le cas d'une analyse des images en deux trames que dans le cas d'une analyse suivant séquence 2, 3, 2, 3 etc.
FR7700079A 1977-01-04 1977-01-04 Systeme generateur d'impulsion de saut de piste et lecteur optique muni d'un tel systeme Granted FR2376486A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR7700079A FR2376486A1 (fr) 1977-01-04 1977-01-04 Systeme generateur d'impulsion de saut de piste et lecteur optique muni d'un tel systeme
US05/865,331 US4460927A (en) 1977-01-04 1977-12-28 Optical reading device for reading an information carrier with motion effect facilities
JP11478A JPS53111228A (en) 1977-01-04 1978-01-04 Optical reader

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7700079A FR2376486A1 (fr) 1977-01-04 1977-01-04 Systeme generateur d'impulsion de saut de piste et lecteur optique muni d'un tel systeme

Publications (2)

Publication Number Publication Date
FR2376486A1 true FR2376486A1 (fr) 1978-07-28
FR2376486B1 FR2376486B1 (fr) 1980-10-03

Family

ID=9185112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700079A Granted FR2376486A1 (fr) 1977-01-04 1977-01-04 Systeme generateur d'impulsion de saut de piste et lecteur optique muni d'un tel systeme

Country Status (3)

Country Link
US (1) US4460927A (fr)
JP (1) JPS53111228A (fr)
FR (1) FR2376486A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415402A1 (fr) * 1977-11-18 1979-08-17 Sony Corp Procede et dispositif de lecture d'un code de temps sur une bande video
EP0019503A1 (fr) * 1979-05-10 1980-11-26 Thomson-Brandt Procédé de codage de signaux binaires de numérotation d'images emmagasinées sur un support d'enregistrement, dispositif de lecture des signaux ainsi codés et appareil de diffusion de signaux audiovisuels comportant un tel dispositif
US4402018A (en) * 1978-06-09 1983-08-30 Victor Company Of Japan, Ltd. System using a rotating medium for recording cinematographic picture images
US4403250A (en) * 1980-03-18 1983-09-06 Micro Consultants Limited Processing of T.V. pictures for subsequent stop mode reproduction
EP0092166A2 (fr) * 1982-04-15 1983-10-26 Discovision Associates Procédé pour retrouver des données sur un disque vidéo
EP0101557A2 (fr) * 1982-07-26 1984-02-29 Discovision Associates Codage du signal enregistré dans l'intervalle d'effacement vertical en commande d'un code de temps SMPTE

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5571365A (en) * 1978-11-24 1980-05-29 Toshiba Corp Access unit of video signal reproducing device
GB2103864B (en) * 1981-07-06 1986-06-11 Victor Company Of Japan Rotary recording medium and reproducing apparatus therefor
US4727532A (en) * 1982-04-15 1988-02-23 Discovision Associates Method and apparatus for recovering information from a videodisc
JPH0644813B2 (ja) * 1984-03-30 1994-06-08 パイオニア株式会社 情報再生装置
US4939593A (en) * 1987-03-11 1990-07-03 Sanyo Electric Co., Ltd. Still picture processing apparatus for a still camera

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366733A (en) * 1963-11-19 1968-01-30 Minnesota Mining & Mfg Video recording system with synchronized film and disk records
NL7212015A (fr) * 1972-09-04 1974-03-06
JPS5413938B2 (fr) * 1973-07-24 1979-06-04
FR2325262A1 (fr) * 1974-01-11 1977-04-15 Thomson Brandt Procede d'inscription de signaux de television sur un support d'information et enregistrement obtenu par ledit procede
JPS5137602A (fr) * 1974-09-26 1976-03-30 Teac Corp
JPS5142414A (fr) * 1974-10-08 1976-04-10 Mansei Kogyo Kk
NL7509906A (nl) * 1975-08-21 1977-02-23 Philips Nv Inrichting voor het uitlezen van een schijfvor- mige registratiedrager.
FR2349191A1 (fr) * 1976-04-23 1977-11-18 Thomson Brandt Lecteur optique de disque d'information comportant un dispositif d'acces automatique aux informations

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2415402A1 (fr) * 1977-11-18 1979-08-17 Sony Corp Procede et dispositif de lecture d'un code de temps sur une bande video
US4402018A (en) * 1978-06-09 1983-08-30 Victor Company Of Japan, Ltd. System using a rotating medium for recording cinematographic picture images
EP0019503A1 (fr) * 1979-05-10 1980-11-26 Thomson-Brandt Procédé de codage de signaux binaires de numérotation d'images emmagasinées sur un support d'enregistrement, dispositif de lecture des signaux ainsi codés et appareil de diffusion de signaux audiovisuels comportant un tel dispositif
US4338629A (en) * 1979-05-10 1982-07-06 Thomson-Csf Process and apparatus for coding binary signals for numbering images or pictures stored on a recording medium for stop mode reproduction
US4403250A (en) * 1980-03-18 1983-09-06 Micro Consultants Limited Processing of T.V. pictures for subsequent stop mode reproduction
EP0092166A2 (fr) * 1982-04-15 1983-10-26 Discovision Associates Procédé pour retrouver des données sur un disque vidéo
EP0092167A2 (fr) * 1982-04-15 1983-10-26 Discovision Associates Procédé et appareil pour retrouver des données sur une disque vidéo
EP0092166A3 (en) * 1982-04-15 1987-04-29 Discovision Associates Method and apparatus for recovering information from a videodisc
EP0092167A3 (en) * 1982-04-15 1987-05-06 Discovision Associates Method and apparatus for recovering information from a videodisc
EP0101557A2 (fr) * 1982-07-26 1984-02-29 Discovision Associates Codage du signal enregistré dans l'intervalle d'effacement vertical en commande d'un code de temps SMPTE
US4567531A (en) * 1982-07-26 1986-01-28 Discovision Associates Vertical interval signal encoding under SMPTE control
EP0101557A3 (fr) * 1982-07-26 1987-05-27 Discovision Associates Codage du signal enregistré dans l'intervalle d'effacement vertical en commande d'un code de temps SMPTE

Also Published As

Publication number Publication date
FR2376486B1 (fr) 1980-10-03
US4460927A (en) 1984-07-17
JPS53111228A (en) 1978-09-28

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