AU5203399A - Method and apparatus for generating a signal that defeats illegal cable decoders - Google Patents

Method and apparatus for generating a signal that defeats illegal cable decoders

Info

Publication number
AU5203399A
AU5203399A AU52033/99A AU5203399A AU5203399A AU 5203399 A AU5203399 A AU 5203399A AU 52033/99 A AU52033/99 A AU 52033/99A AU 5203399 A AU5203399 A AU 5203399A AU 5203399 A AU5203399 A AU 5203399A
Authority
AU
Australia
Prior art keywords
defeats
generating
signal
cable decoders
illegal cable
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
AU52033/99A
Inventor
Ronald Quan
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.)
Rovi Corp
Original Assignee
Macrovision 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 Macrovision Corp filed Critical Macrovision Corp
Publication of AU5203399A publication Critical patent/AU5203399A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/169—Systems operating in the time domain of the television signal
    • H04N7/1693—Systems operating in the time domain of the television signal by displacing synchronisation signals relative to active picture signals or vice versa
AU52033/99A 1998-07-22 1999-07-20 Method and apparatus for generating a signal that defeats illegal cable decoders Abandoned AU5203399A (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US9370598P 1998-07-22 1998-07-22
US60093705 1998-07-22
US10004398P 1998-09-11 1998-09-11
US60100043 1998-09-11
PCT/US1999/012387 WO2000005894A1 (en) 1998-07-22 1999-07-20 Method and apparatus for generating a signal that defeats illegal cable decoders

Publications (1)

Publication Number Publication Date
AU5203399A true AU5203399A (en) 2000-02-14

Family

ID=26787825

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52033/99A Abandoned AU5203399A (en) 1998-07-22 1999-07-20 Method and apparatus for generating a signal that defeats illegal cable decoders

Country Status (4)

Country Link
AU (1) AU5203399A (en)
BR (1) BR9912312A (en)
TW (1) TW425822B (en)
WO (1) WO2000005894A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6839433B1 (en) * 1998-07-22 2005-01-04 Macrovision Corporation Method and apparatus for generating a signal that defeats illegal cable decoders

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU658014B2 (en) * 1991-11-19 1995-03-30 Macrovision Corporation Method and apparatus for scrambling and descrambling of video signals with edge fill
US5651065A (en) * 1995-03-09 1997-07-22 General Instrument Corporation Of Delaware Insertion of supplemental burst into video signals to thwart piracy and/or carry data
KR0179515B1 (en) * 1995-10-25 1999-05-01 이형도 Image signal encoding apparatus

Also Published As

Publication number Publication date
TW425822B (en) 2001-03-11
WO2000005894A1 (en) 2000-02-03
BR9912312A (en) 2001-05-08

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase