AU7905491A - Improvements relating to recording machines - Google Patents

Improvements relating to recording machines

Info

Publication number
AU7905491A
AU7905491A AU79054/91A AU7905491A AU7905491A AU 7905491 A AU7905491 A AU 7905491A AU 79054/91 A AU79054/91 A AU 79054/91A AU 7905491 A AU7905491 A AU 7905491A AU 7905491 A AU7905491 A AU 7905491A
Authority
AU
Australia
Prior art keywords
improvements relating
recording machines
machines
recording
relating
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.)
Abandoned
Application number
AU79054/91A
Inventor
Paul Crowhurst
John Varley
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.)
REC-TECH Ltd
Original Assignee
REC TECH Ltd
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 REC TECH Ltd filed Critical REC TECH Ltd
Publication of AU7905491A publication Critical patent/AU7905491A/en
Abandoned 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00094—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised record carriers
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • 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
    • G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
    • G11B20/00188—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised devices recording or reproducing contents to/from a record carrier
    • 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
    • G11B27/19—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
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • 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)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
AU79054/91A 1990-05-26 1991-05-28 Improvements relating to recording machines Abandoned AU7905491A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909011889A GB9011889D0 (en) 1990-05-26 1990-05-26 Improvements relating to recording machines
GB9011889 1990-05-26

Publications (1)

Publication Number Publication Date
AU7905491A true AU7905491A (en) 1991-12-31

Family

ID=10676679

Family Applications (1)

Application Number Title Priority Date Filing Date
AU79054/91A Abandoned AU7905491A (en) 1990-05-26 1991-05-28 Improvements relating to recording machines

Country Status (3)

Country Link
AU (1) AU7905491A (en)
GB (1) GB9011889D0 (en)
WO (1) WO1991019292A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0206390D0 (en) * 2002-03-19 2002-05-01 Av Niche Recording Systems Ltd Interactive secure digital recording technology

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4194222A (en) * 1978-08-23 1980-03-18 Minnesota Mining And Manufacturing Company Multitrack recorder including superimposed real time code
AT356916B (en) * 1978-09-01 1980-06-10 Philips Nv RECORDING SYSTEM AND CASSETTE FOR SUCH A RECORDING SYSTEM
FR2440057A1 (en) * 1978-10-24 1980-05-23 Rent Music SOUND REPRODUCING APPARATUS WITH INTERCHANGEABLE MODULES
DE3008190A1 (en) * 1980-03-04 1981-09-10 Institut für Rundfunktechnik GmbH, 8000 München Cutting and assembling video and/or audio recording carrier - using off=line marker programming kit with keyboard and display
DE3577381D1 (en) * 1984-09-19 1990-05-31 Victor Company Of Japan DEVICE FOR SYNCHRONIZING DIFFERENT TELEVISION SYSTEMS.
DE3833452A1 (en) * 1988-10-01 1990-04-05 Grundig Emv METHOD FOR PREVENTING ACCIDENTAL OVERWRITING OF VIDEO SIGNAL SECTIONS RECORDED ON VIDEO MAGNETIC TAPE, AND VIDEO MAGNETIC TAPE RECORDER FOR CARRYING OUT THIS METHOD

Also Published As

Publication number Publication date
WO1991019292A1 (en) 1991-12-12
GB9011889D0 (en) 1990-07-18

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