CA1135840A - Apparatus for generating time code signals - Google Patents

Apparatus for generating time code signals

Info

Publication number
CA1135840A
CA1135840A CA000325717A CA325717A CA1135840A CA 1135840 A CA1135840 A CA 1135840A CA 000325717 A CA000325717 A CA 000325717A CA 325717 A CA325717 A CA 325717A CA 1135840 A CA1135840 A CA 1135840A
Authority
CA
Canada
Prior art keywords
time code
signal
bit
recording
code signal
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
Application number
CA000325717A
Other languages
English (en)
French (fr)
Inventor
Ichiro Ninomiya
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
Application granted granted Critical
Publication of CA1135840A publication Critical patent/CA1135840A/en
Expired 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
    • G11B27/02—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
    • G11B27/029—Insert-editing
    • 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)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Television Signal Processing For Recording (AREA)
CA000325717A 1978-04-20 1979-04-18 Apparatus for generating time code signals Expired CA1135840A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP46934/78 1978-04-20
JP53046934A JPS6019075B2 (ja) 1978-04-20 1978-04-20 記録用タイムコ−ド信号発生装置

Publications (1)

Publication Number Publication Date
CA1135840A true CA1135840A (en) 1982-11-16

Family

ID=12761138

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000325717A Expired CA1135840A (en) 1978-04-20 1979-04-18 Apparatus for generating time code signals

Country Status (8)

Country Link
JP (1) JPS6019075B2 (ja)
AT (1) AT380609B (ja)
AU (1) AU522543B2 (ja)
CA (1) CA1135840A (ja)
DE (1) DE2916074A1 (ja)
FR (1) FR2423819B1 (ja)
GB (1) GB2020516B (ja)
NL (1) NL7903078A (ja)

Families Citing this family (4)

* 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
JPS57123578A (en) * 1981-01-22 1982-08-02 Sony Corp Error correcting circuit for drive data
JPH03171460A (ja) * 1989-11-30 1991-07-24 Sony Magnescale Inc 磁気記録方法及び装置
GB2249656B (en) * 1990-11-12 1994-09-28 Daewoo Electronics Co Ltd A multi-deck video cassette recorder system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE757737A (fr) * 1969-10-27 1971-04-01 Ampex Nouveau mode d'enregistrement de l'information
US3681524A (en) * 1970-06-16 1972-08-01 Columbia Broadcasting Syst Inc Multiple frequency time code generator and reader
US3795903A (en) * 1972-09-29 1974-03-05 Ibm Modified phase encoding
JPS5949754B2 (ja) * 1976-07-31 1984-12-04 ソニー株式会社 テ−プの編集機
JPS5466111A (en) * 1977-11-05 1979-05-28 Sony Corp Time code write system

Also Published As

Publication number Publication date
DE2916074A1 (de) 1979-10-31
ATA300879A (de) 1985-10-15
AU4629479A (en) 1979-10-25
DE2916074C2 (ja) 1988-03-03
FR2423819A1 (fr) 1979-11-16
JPS6019075B2 (ja) 1985-05-14
AT380609B (de) 1986-06-25
AU522543B2 (en) 1982-06-10
NL7903078A (nl) 1979-10-23
FR2423819B1 (fr) 1986-07-18
GB2020516A (en) 1979-11-14
JPS54139511A (en) 1979-10-30
GB2020516B (en) 1982-06-30

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Legal Events

Date Code Title Description
MKEX Expiry