IL136531A - A system for protecting against the copying of recorded information - Google Patents

A system for protecting against the copying of recorded information

Info

Publication number
IL136531A
IL136531A IL13653199A IL13653199A IL136531A IL 136531 A IL136531 A IL 136531A IL 13653199 A IL13653199 A IL 13653199A IL 13653199 A IL13653199 A IL 13653199A IL 136531 A IL136531 A IL 136531A
Authority
IL
Israel
Prior art keywords
information
format
recording
location
predefined
Prior art date
Application number
IL13653199A
Other languages
English (en)
Hebrew (he)
Other versions
IL136531A0 (en
Original Assignee
Koninkl 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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of IL136531A0 publication Critical patent/IL136531A0/xx
Publication of IL136531A publication Critical patent/IL136531A/en

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
    • G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
    • G11B20/00615—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the logical format of the recording medium, e.g. the structure of sectors, blocks, or frames
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/12—Control of operating function, e.g. switching from recording to reproducing by sensing distinguishing features of or on records, e.g. diameter end mark
    • 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
    • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
    • 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
    • G11B2220/20—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
    • G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Storage Device Security (AREA)
IL13653199A 1998-10-05 1999-09-14 A system for protecting against the copying of recorded information IL136531A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP98203340 1998-10-05
PCT/EP1999/006789 WO2000021085A1 (en) 1998-10-05 1999-09-14 System for copy protection of recorded information

Publications (2)

Publication Number Publication Date
IL136531A0 IL136531A0 (en) 2001-06-14
IL136531A true IL136531A (en) 2004-02-08

Family

ID=8234181

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13653199A IL136531A (en) 1998-10-05 1999-09-14 A system for protecting against the copying of recorded information

Country Status (23)

Country Link
US (2) US6580682B1 (pt)
EP (1) EP1046163B1 (pt)
JP (1) JP4130867B2 (pt)
KR (1) KR100583355B1 (pt)
CN (2) CN1494080A (pt)
AR (1) AR020713A1 (pt)
AU (1) AU6082799A (pt)
BR (1) BR9907778B1 (pt)
CZ (1) CZ301303B6 (pt)
DE (1) DE69935124T2 (pt)
EG (1) EG22467A (pt)
ES (1) ES2281190T3 (pt)
HU (1) HU225000B1 (pt)
IL (1) IL136531A (pt)
MY (1) MY123433A (pt)
PL (1) PL209566B1 (pt)
PT (1) PT1046163E (pt)
RU (1) RU2229173C2 (pt)
TR (1) TR200002369T1 (pt)
TW (1) TW452766B (pt)
UA (1) UA67759C2 (pt)
WO (1) WO2000021085A1 (pt)
ZA (1) ZA200002773B (pt)

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Also Published As

Publication number Publication date
BR9907778B1 (pt) 2012-01-24
UA67759C2 (uk) 2004-07-15
US7792001B2 (en) 2010-09-07
JP2002527847A (ja) 2002-08-27
ZA200002773B (en) 2001-06-04
KR20010032736A (ko) 2001-04-25
DE69935124T2 (de) 2007-11-22
PT1046163E (pt) 2007-05-31
IL136531A0 (en) 2001-06-14
MY123433A (en) 2006-05-31
US20030185130A1 (en) 2003-10-02
CZ20002071A3 (cs) 2000-11-15
HU225000B1 (en) 2006-05-29
CN1494080A (zh) 2004-05-05
KR100583355B1 (ko) 2006-05-25
TW452766B (en) 2001-09-01
EP1046163A1 (en) 2000-10-25
ES2281190T3 (es) 2007-09-16
HUP0100222A3 (en) 2003-04-28
TR200002369T1 (tr) 2001-01-22
AU6082799A (en) 2000-04-26
AR020713A1 (es) 2002-05-22
RU2229173C2 (ru) 2004-05-20
HUP0100222A2 (hu) 2001-05-28
EP1046163B1 (en) 2007-02-14
EG22467A (en) 2003-02-26
WO2000021085A1 (en) 2000-04-13
CZ301303B6 (cs) 2010-01-06
PL209566B1 (pl) 2011-09-30
BR9907778A (pt) 2000-10-10
JP4130867B2 (ja) 2008-08-06
DE69935124D1 (de) 2007-03-29
PL340923A1 (en) 2001-03-12
CN1192379C (zh) 2005-03-09
US6580682B1 (en) 2003-06-17
CN1290395A (zh) 2001-04-04

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