FR2408248A1 - Appareil pour creer des caracteres codes et notamment a codage biphase - Google Patents

Appareil pour creer des caracteres codes et notamment a codage biphase

Info

Publication number
FR2408248A1
FR2408248A1 FR7831214A FR7831214A FR2408248A1 FR 2408248 A1 FR2408248 A1 FR 2408248A1 FR 7831214 A FR7831214 A FR 7831214A FR 7831214 A FR7831214 A FR 7831214A FR 2408248 A1 FR2408248 A1 FR 2408248A1
Authority
FR
France
Prior art keywords
biphase
coded characters
creating coded
signal generator
biphase coding
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
FR7831214A
Other languages
English (en)
Other versions
FR2408248B1 (fr
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Publication of FR2408248A1 publication Critical patent/FR2408248A1/fr
Application granted granted Critical
Publication of FR2408248B1 publication Critical patent/FR2408248B1/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
    • 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
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/022—Electronic editing of analogue information signals, e.g. audio or video signals
    • G11B27/024—Electronic editing of analogue information signals, e.g. audio or video signals on tapes
    • 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
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/022—Electronic editing of analogue information signals, e.g. audio or video signals
    • G11B27/028—Electronic editing of analogue information signals, e.g. audio or video signals with computer assistance
    • 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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/90—Tape-like record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)

Abstract

A.APPAREIL POUR CREER DES CARACTERES CODES ET NOTAMMENT A CODAGE BIPHASE. B.APPAREIL CARACTERISE PAR UN MOYEN FOURNISSANT UN BIT D'ETAT BINAIRE DE SENS PREDETERMINE EN COINCIDENCE CHRONOLOGIQUE AVEC L'UN DES BITS CHOISIS DE CHAQUE CARACTERE CODE AINSI QU'UN MOYEN POUR INTRODUIRE SELECTIVEMENT LE BIT D'ETAT BINAIRE DE SENS PREDETERMINE DANS LE TRAIN DE BITS BINAIRES APPLIQUE AU GENERATEUR DE SIGNAUX BIPHASE POUR MAINTENIR LA RELATION CONSTANTE ENTRE LES PHASES AU DEBUT ET A LA FIN DU CARACTERE CODE BIPHASE CREE PAR LE GENERATEUR DE SIGNAUX BIPHASE.
FR7831214A 1977-11-05 1978-11-03 Appareil pour creer des caracteres codes et notamment a codage biphase Granted FR2408248A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13285377A JPS5466111A (en) 1977-11-05 1977-11-05 Time code write system

Publications (2)

Publication Number Publication Date
FR2408248A1 true FR2408248A1 (fr) 1979-06-01
FR2408248B1 FR2408248B1 (fr) 1983-09-23

Family

ID=15091043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7831214A Granted FR2408248A1 (fr) 1977-11-05 1978-11-03 Appareil pour creer des caracteres codes et notamment a codage biphase

Country Status (9)

Country Link
US (1) US4189756A (fr)
JP (1) JPS5466111A (fr)
AT (1) AT380603B (fr)
AU (1) AU519353B2 (fr)
CA (1) CA1126404A (fr)
DE (1) DE2848062A1 (fr)
FR (1) FR2408248A1 (fr)
GB (1) GB2008364B (fr)
NL (1) NL7810874A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2423819A1 (fr) * 1978-04-20 1979-11-16 Sony Corp Appareil pour engendrer un signal de code de temps d'enregistrement

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4329719A (en) * 1977-11-05 1982-05-11 Sony Corporation Apparatus for generating time code signals
DE2815423C2 (de) * 1978-04-10 1984-11-15 Robert Bosch Gmbh, 7000 Stuttgart Verfahren und Schaltungsanordnung zum störungsfreien Aneinanderreihen zweier selbsttaktender Signale
EP0016560A1 (fr) * 1979-03-05 1980-10-01 The Decca Record Company Limited Montage sonore de programmes et d'autres signaux codés sous forme numérique
AU540275B2 (en) * 1979-09-27 1984-11-08 Sony Corporation V.t.r. synchronizing system
US4340916A (en) * 1980-04-11 1982-07-20 Sony Corporation Apparatus and method for detecting discontinuities in time code addresses
US4394745A (en) * 1980-04-11 1983-07-19 Sony Corporation Video editing apparatus
US4322814A (en) * 1980-04-11 1982-03-30 Sony Corporation Error detection for use in editing apparatus
US4467371A (en) * 1980-07-16 1984-08-21 Nippon Television Network Corp. Method of pre-editing an original video tape in combination of scene numbers with a card and systems for carrying out the method
US4345280A (en) * 1980-09-04 1982-08-17 Storage Technology Corporation Address mark detection circuit
AU546625B2 (en) * 1980-10-09 1985-09-12 Sony Corporation V.t.r. editing control
JPS57123578A (en) * 1981-01-22 1982-08-02 Sony Corp Error correcting circuit for drive data
DE3237239A1 (de) * 1981-10-08 1983-04-28 Canon K.K., Tokyo Bilduebertragungsanlage
JPS59151582A (ja) * 1982-11-12 1984-08-30 I S S:Kk コンピユ−タ−映像とビデオ映像を単一のデイスプレイブラウン管に表示する方法およびその装置
JPH0748292B2 (ja) * 1987-04-24 1995-05-24 パイオニア株式会社 Ｎｔｓｃ方式ビデオフォーマット信号の記録装置
US5969839A (en) * 1995-07-10 1999-10-19 Fuji Electric Co., Ltd. Optical communications device
US5610947A (en) * 1994-10-14 1997-03-11 International Business Machines Corporation IR FM modem with flash modulation
US5662472A (en) * 1995-08-18 1997-09-02 Dentsply Gmbh Hue and lightness identification system for dental products
EP0867882B1 (fr) * 1997-03-27 2003-12-03 Victor Company Of Japan, Limited Appareil pour générer des signaux de code de temps
US20040009944A1 (en) * 2002-05-10 2004-01-15 Inex Pharmaceuticals Corporation Methylated immunostimulatory oligonucleotides and methods of using the same
ITMI20061405A1 (it) * 2006-07-19 2008-01-20 Technicolor S P A Tecnica di marcatura con filigrana digitale audio per presentazioni

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2066360A5 (fr) * 1969-10-27 1971-08-06 Ampex
US3681524A (en) * 1970-06-16 1972-08-01 Columbia Broadcasting Syst Inc Multiple frequency time code generator and reader
FR2201587A1 (fr) * 1972-09-29 1974-04-26 Ibm

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2066360A5 (fr) * 1969-10-27 1971-08-06 Ampex
US3681524A (en) * 1970-06-16 1972-08-01 Columbia Broadcasting Syst Inc Multiple frequency time code generator and reader
FR2201587A1 (fr) * 1972-09-29 1974-04-26 Ibm

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
EXBK/70 *
EXBK/73 *
EXBK/75 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2423819A1 (fr) * 1978-04-20 1979-11-16 Sony Corp Appareil pour engendrer un signal de code de temps d'enregistrement

Also Published As

Publication number Publication date
AT380603B (de) 1986-06-25
CA1126404A (fr) 1982-06-22
AU519353B2 (en) 1981-11-26
GB2008364A (en) 1979-05-31
GB2008364B (en) 1982-02-10
DE2848062A1 (de) 1979-05-10
ATA793778A (de) 1985-10-15
AU4112478A (en) 1980-05-01
JPS5466111A (en) 1979-05-28
DE2848062C2 (fr) 1989-01-12
NL7810874A (nl) 1979-05-08
US4189756A (en) 1980-02-19
FR2408248B1 (fr) 1983-09-23

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