FR2635606B1 - Procede de lecture d'un code temporel longitudinal et dispositif pour la mise en oeuvre d'un tel procede - Google Patents

Procede de lecture d'un code temporel longitudinal et dispositif pour la mise en oeuvre d'un tel procede

Info

Publication number
FR2635606B1
FR2635606B1 FR8810946A FR8810946A FR2635606B1 FR 2635606 B1 FR2635606 B1 FR 2635606B1 FR 8810946 A FR8810946 A FR 8810946A FR 8810946 A FR8810946 A FR 8810946A FR 2635606 B1 FR2635606 B1 FR 2635606B1
Authority
FR
France
Prior art keywords
reading
carrying
time code
longitudinal time
longitudinal
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.)
Expired - Fee Related
Application number
FR8810946A
Other languages
English (en)
Other versions
FR2635606A1 (fr
Inventor
Christian Gerard
Jean-Yvon Coatrieux
Bernard Thepaut
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.)
Telediffusion de France ets Public de Diffusion
Etat Francais
Original Assignee
Telediffusion de France ets Public de Diffusion
Etat Francais
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 Telediffusion de France ets Public de Diffusion, Etat Francais filed Critical Telediffusion de France ets Public de Diffusion
Priority to FR8810946A priority Critical patent/FR2635606B1/fr
Publication of FR2635606A1 publication Critical patent/FR2635606A1/fr
Application granted granted Critical
Publication of FR2635606B1 publication Critical patent/FR2635606B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1407—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol
    • G11B20/1419—Digital recording or reproducing using self-clocking codes characterised by the use of two levels code representation depending on a single bit, i.e. where a one is always represented by a first code symbol while a zero is always represented by a second code symbol to or from biphase level coding, i.e. to or from codes where a one is coded as a transition from a high to a low level during the middle of a bit cell and a zero is encoded as a transition from a low to a high level during the middle of a bit cell or vice versa, e.g. split phase code, Manchester code conversion to or from biphase space or mark coding, i.e. to or from codes where there is a transition at the beginning of every bit cell and a one has no second transition and a zero has a second transition one half of a bit period later or vice versa, e.g. double frequency code, FM code
    • 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
    • G11B27/32—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 separate auxiliary tracks of the same or an auxiliary record carrier
    • G11B27/322—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 separate auxiliary tracks of the same or an auxiliary record carrier used signal is digitally coded
    • G11B27/323—Time code signal, e.g. on a cue track as SMPTE- or EBU-time code

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
FR8810946A 1988-08-17 1988-08-17 Procede de lecture d'un code temporel longitudinal et dispositif pour la mise en oeuvre d'un tel procede Expired - Fee Related FR2635606B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8810946A FR2635606B1 (fr) 1988-08-17 1988-08-17 Procede de lecture d'un code temporel longitudinal et dispositif pour la mise en oeuvre d'un tel procede

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8810946A FR2635606B1 (fr) 1988-08-17 1988-08-17 Procede de lecture d'un code temporel longitudinal et dispositif pour la mise en oeuvre d'un tel procede

Publications (2)

Publication Number Publication Date
FR2635606A1 FR2635606A1 (fr) 1990-02-23
FR2635606B1 true FR2635606B1 (fr) 1995-06-30

Family

ID=9369359

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8810946A Expired - Fee Related FR2635606B1 (fr) 1988-08-17 1988-08-17 Procede de lecture d'un code temporel longitudinal et dispositif pour la mise en oeuvre d'un tel procede

Country Status (1)

Country Link
FR (1) FR2635606B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9209535D0 (en) * 1992-05-01 1992-06-17 Questech Ltd Data signal decoding device
DE19823065A1 (de) * 1998-05-22 1999-11-25 Siemens Nixdorf Inf Syst Einrichtung und Verfahren zum Auswerten binärer Informationen unter Verwendung einer DMA Einheit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1363574A (en) * 1973-03-29 1974-08-14 British Aircraft Corp Ltd Data recording and replay systems
JPS5085320A (fr) * 1973-11-27 1975-07-09
US4040100A (en) * 1975-09-25 1977-08-02 Adams-Smith Incorporated Digital video tape frame code readout system
DE2643873C3 (de) * 1976-09-29 1979-03-08 Institut Fuer Rundfunktechnik Gmbh, 8000 Muenchen Einrichtung zum Auslesen einer Zeitcodespur auf einem bandförmigen Informationsträger
DE2804593C2 (de) * 1978-02-03 1979-09-27 Institut Fuer Rundfunktechnik Gmbh, 8000 Muenchen Verfahren und Anordnung zum Demodulieren eines binär codierten, phasenmodulierten Signals
DE2943389C2 (de) * 1979-10-26 1983-03-03 Institut für Rundfunktechnik GmbH, 8000 München Anordnung zum Übergeben von seriellen Zeitcodedaten an einen Rechner
US4516164A (en) * 1982-10-21 1985-05-07 Stypher Corporation Apparatus for decoding video address code signals
FR2553223B1 (fr) * 1983-10-11 1985-11-08 Thomson Csf Magnetophone permettant la lecture d'un code temporel quelle que soit la vitesse de defilement de la bande magnetique
JPS62159393A (ja) * 1986-01-08 1987-07-15 Matsushita Electric Ind Co Ltd タイムコ−ド読取装置

Also Published As

Publication number Publication date
FR2635606A1 (fr) 1990-02-23

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TP Transmission of property
ST Notification of lapse

Effective date: 20070430