FR2421522A1 - Detecteur de direction de defilement pour support d'enregistrement magnetique - Google Patents

Detecteur de direction de defilement pour support d'enregistrement magnetique

Info

Publication number
FR2421522A1
FR2421522A1 FR7908143A FR7908143A FR2421522A1 FR 2421522 A1 FR2421522 A1 FR 2421522A1 FR 7908143 A FR7908143 A FR 7908143A FR 7908143 A FR7908143 A FR 7908143A FR 2421522 A1 FR2421522 A1 FR 2421522A1
Authority
FR
France
Prior art keywords
magnetic recording
direction detector
scroll direction
recording support
recording medium
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
FR7908143A
Other languages
English (en)
Other versions
FR2421522B1 (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 FR2421522A1 publication Critical patent/FR2421522A1/fr
Application granted granted Critical
Publication of FR2421522B1 publication Critical patent/FR2421522B1/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
    • G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
    • G11B33/10—Indicating arrangements; Warning arrangements
    • 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
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/107—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating 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
    • G11B27/10—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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/34—Indicating arrangements 
    • 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

Abstract

a. Détecteur de direction de défilement pour support d'enregistrement magnétique. b. Appareil caractérisé en ce que le signal de code comporte un bit qui change de niveau entre chaque image et l'image suivante, l'appareil comportant un circuit de détection de direction pour séparer le signal de code et donner un signal indiquant la direction de défilement du support d'enregistrement en fonction de cette séparation.
FR7908143A 1978-03-31 1979-03-30 Detecteur de direction de defilement pour support d'enregistrement magnetique Granted FR2421522A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53037812A JPS6049981B2 (ja) 1978-03-31 1978-03-31 記録媒体の走行方向検出装置

Publications (2)

Publication Number Publication Date
FR2421522A1 true FR2421522A1 (fr) 1979-10-26
FR2421522B1 FR2421522B1 (fr) 1984-05-11

Family

ID=12507919

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7908143A Granted FR2421522A1 (fr) 1978-03-31 1979-03-30 Detecteur de direction de defilement pour support d'enregistrement magnetique

Country Status (8)

Country Link
US (1) US4300171A (fr)
JP (1) JPS6049981B2 (fr)
AT (1) AT378300B (fr)
CA (1) CA1134504A (fr)
DE (1) DE2912754A1 (fr)
FR (1) FR2421522A1 (fr)
GB (1) GB2018002B (fr)
NL (1) NL7902423A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4340916A (en) * 1980-04-11 1982-07-20 Sony Corporation Apparatus and method for detecting discontinuities in time code addresses
JPS58128002A (ja) * 1982-01-25 1983-07-30 Sony Corp 記録再生装置
EP0337582B1 (fr) * 1982-09-17 1994-09-14 Ampex Systems Corporation Système d'asservissement pour enregistreur vidéo pouvant se verrouiller à grande vitesse sur une piste de commande
US4646167A (en) * 1985-05-24 1987-02-24 Denecke Henry M Time code decoder
DE3678170D1 (de) * 1985-07-05 1991-04-18 Thomson Brandt Gmbh Verfahren und einrichtung zur elektronischen bearbeitung von gespeicherten videosignalen.
US5016119A (en) * 1987-02-27 1991-05-14 Sony Corporation Video signal reproducing apparatus with two modes of keeping track of address
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

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
FR2360221A1 (fr) * 1976-07-30 1978-02-24 Sony Corp Procede et appareil pour introduire des signaux d'adresse dans un signal video
FR2369762A1 (fr) * 1976-10-27 1978-05-26 Sony Corp Procede et appareil pour introduire des signaux d'adresse dans un signal video

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4040100A (en) * 1975-09-25 1977-08-02 Adams-Smith Incorporated Digital video tape frame code readout system
JPS5949754B2 (ja) * 1976-07-31 1984-12-04 ソニー株式会社 テ−プの編集機
US4159480A (en) * 1976-10-27 1979-06-26 Sony Corporation Method of inserting an address signal in a video signal

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
FR2360221A1 (fr) * 1976-07-30 1978-02-24 Sony Corp Procede et appareil pour introduire des signaux d'adresse dans un signal video
FR2369762A1 (fr) * 1976-10-27 1978-05-26 Sony Corp Procede et appareil pour introduire des signaux d'adresse dans un signal video

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
RUNDFUNKTECHNISCHE MITTEILUNGEN, volume 20, no. 5, octobre 1976 (HAMBURG, DE) K.H. TRISSL "Der Schneidetisch mit Zeitcodesteuerung", pages 203-210 *

Also Published As

Publication number Publication date
GB2018002B (en) 1982-05-06
AT378300B (de) 1985-07-10
JPS54130116A (en) 1979-10-09
DE2912754C2 (fr) 1988-09-08
NL7902423A (nl) 1979-10-02
DE2912754A1 (de) 1979-10-04
US4300171A (en) 1981-11-10
GB2018002A (en) 1979-10-10
FR2421522B1 (fr) 1984-05-11
JPS6049981B2 (ja) 1985-11-06
ATA234879A (de) 1984-11-15
CA1134504A (fr) 1982-10-26

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Legal Events

Date Code Title Description
ST Notification of lapse