DK0418964T3 - Optagelsesbærer, fremgangsmåde og informationsoptagerindretning til opnåelse af sådanne optagelsesbærere, samt informationsoptagerindretning omfattende antikopieringsorganer til at forhindre uautoriseret kopiering - Google Patents

Optagelsesbærer, fremgangsmåde og informationsoptagerindretning til opnåelse af sådanne optagelsesbærere, samt informationsoptagerindretning omfattende antikopieringsorganer til at forhindre uautoriseret kopiering

Info

Publication number
DK0418964T3
DK0418964T3 DK90202448.8T DK90202448T DK0418964T3 DK 0418964 T3 DK0418964 T3 DK 0418964T3 DK 90202448 T DK90202448 T DK 90202448T DK 0418964 T3 DK0418964 T3 DK 0418964T3
Authority
DK
Denmark
Prior art keywords
information recorder
recording
obtaining
well
prevent unauthorized
Prior art date
Application number
DK90202448.8T
Other languages
English (en)
Inventor
Jacobus Petrus Josep Heemskerk
Rudolf Roth
Hindrik Veldhuis
Original Assignee
Philips Electronics Nv
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 Philips Electronics Nv filed Critical Philips Electronics Nv
Application granted granted Critical
Publication of DK0418964T3 publication Critical patent/DK0418964T3/da

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
    • 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
    • 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
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • 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
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • 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
    • G11B27/3063—Subcodes
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/28—Re-recording, i.e. transcribing information from one optical record carrier on to one or more similar or dissimilar record carriers
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • G06F21/109—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM] by using specially-adapted hardware at the client
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2211/00—Indexing scheme relating to details of data-processing equipment not covered by groups G06F3/00 - G06F13/00
    • G06F2211/007—Encryption, En-/decode, En-/decipher, En-/decypher, Scramble, (De-)compress
    • 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
    • G11B20/10527—Audio or video recording; Data buffering arrangements
    • G11B2020/10537—Audio or video recording
    • G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
    • G11B2220/215—Recordable discs
    • G11B2220/218—Write-once discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
    • G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
    • G11B2220/2537—Optical discs
    • G11B2220/2545—CDs
    • 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
    • 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
    • G11B2220/91—Helical scan format, wherein tracks are slightly tilted with respect to tape direction, e.g. VHS, DAT, DVC, AIT or exabyte
    • G11B2220/913—Digital audio tape [DAT] format
    • 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
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/032—Electronic editing of digitised analogue information signals, e.g. audio or video signals on tapes

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Technology Law (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
  • Management Or Editing Of Information On Record Carriers (AREA)
  • Storage Device Security (AREA)
  • Television Signal Processing For Recording (AREA)
  • Optical Recording Or Reproduction (AREA)
DK90202448.8T 1989-09-21 1990-09-17 Optagelsesbærer, fremgangsmåde og informationsoptagerindretning til opnåelse af sådanne optagelsesbærere, samt informationsoptagerindretning omfattende antikopieringsorganer til at forhindre uautoriseret kopiering DK0418964T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8902358 1989-09-21

Publications (1)

Publication Number Publication Date
DK0418964T3 true DK0418964T3 (da) 1995-07-10

Family

ID=19855337

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90202448.8T DK0418964T3 (da) 1989-09-21 1990-09-17 Optagelsesbærer, fremgangsmåde og informationsoptagerindretning til opnåelse af sådanne optagelsesbærere, samt informationsoptagerindretning omfattende antikopieringsorganer til at forhindre uautoriseret kopiering

Country Status (20)

Country Link
US (2) US5428598A (da)
EP (1) EP0418964B1 (da)
JP (3) JP3273781B2 (da)
KR (1) KR100231670B1 (da)
CN (1) CN1030629C (da)
AR (1) AR247311A1 (da)
AT (1) ATE118288T1 (da)
AU (1) AU657465B2 (da)
BR (1) BR9004656A (da)
CA (1) CA2025644C (da)
CZ (1) CZ285659B6 (da)
DE (1) DE69016725T2 (da)
DK (1) DK0418964T3 (da)
ES (1) ES2070267T3 (da)
HK (1) HK75696A (da)
HU (1) HU212224B (da)
MY (1) MY106622A (da)
RU (1) RU1836721C (da)
SK (1) SK280686B6 (da)
UA (1) UA29373C2 (da)

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SK453690A3 (en) 2000-06-12
ATE118288T1 (de) 1995-02-15
CA2025644C (en) 2000-02-08
CN1030629C (zh) 1996-01-03
AU6266690A (en) 1991-04-11
AU657465B2 (en) 1995-03-16
BR9004656A (pt) 1991-09-10
KR910006957A (ko) 1991-04-30
DE69016725T2 (de) 1995-09-07
CA2025644A1 (en) 1991-03-22
JPH03108162A (ja) 1991-05-08
CN1050457A (zh) 1991-04-03
SK280686B6 (sk) 2000-06-12
KR100231670B1 (ko) 1999-11-15
JP2002208224A (ja) 2002-07-26
AR247311A1 (es) 1994-11-30
JP3273781B2 (ja) 2002-04-15
MY106622A (en) 1995-06-30
HU212224B (en) 1996-04-29
US5428598A (en) 1995-06-27
DE69016725D1 (de) 1995-03-23
CZ285659B6 (cs) 1999-10-13
EP0418964A1 (en) 1991-03-27
HUT54822A (en) 1991-03-28
CZ453690A3 (cs) 1999-07-14
RU1836721C (ru) 1993-08-23
JP2005166253A (ja) 2005-06-23
HK75696A (en) 1996-05-10
JP3648190B2 (ja) 2005-05-18
US5453968A (en) 1995-09-26
UA29373C2 (uk) 2000-11-15
EP0418964B1 (en) 1995-02-08
ES2070267T3 (es) 1995-06-01

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