AU1789800A - Digital video processing - Google Patents

Digital video processing

Info

Publication number
AU1789800A
AU1789800A AU17898/00A AU1789800A AU1789800A AU 1789800 A AU1789800 A AU 1789800A AU 17898/00 A AU17898/00 A AU 17898/00A AU 1789800 A AU1789800 A AU 1789800A AU 1789800 A AU1789800 A AU 1789800A
Authority
AU
Australia
Prior art keywords
digital video
video processing
processing
digital
video
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
AU17898/00A
Inventor
Paul Gordon Robertson
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.)
Snell Advanced Media Ltd
Original Assignee
Snell and Wilcox 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 Snell and Wilcox Ltd filed Critical Snell and Wilcox Ltd
Publication of AU1789800A publication Critical patent/AU1789800A/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
AU17898/00A 1998-12-15 1999-12-15 Digital video processing Abandoned AU1789800A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9827612 1998-12-15
GB9827612A GB2344950B (en) 1998-12-15 1998-12-15 Encryption of digital video
PCT/GB1999/004245 WO2000036838A2 (en) 1998-12-15 1999-12-15 Digital video processing to inhibit unauthorised copies

Publications (1)

Publication Number Publication Date
AU1789800A true AU1789800A (en) 2000-07-03

Family

ID=10844267

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17898/00A Abandoned AU1789800A (en) 1998-12-15 1999-12-15 Digital video processing

Country Status (4)

Country Link
EP (1) EP1142335A2 (en)
AU (1) AU1789800A (en)
GB (1) GB2344950B (en)
WO (1) WO2000036838A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2382753A (en) 2001-12-03 2003-06-04 Sony Uk Ltd Encrypting video data, ensuring that all encrypted data values lie in a legal range

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5757910A (en) * 1993-04-06 1998-05-26 Goldstar Co., Ltd. Apparatus for preventing illegal copying of a digital broadcasting signal
JPH11298878A (en) * 1998-04-08 1999-10-29 Nec Corp Image scrambling method and device therefor

Also Published As

Publication number Publication date
GB2344950A (en) 2000-06-21
EP1142335A2 (en) 2001-10-10
GB2344950B (en) 2003-05-07
WO2000036838A2 (en) 2000-06-22
GB9827612D0 (en) 1999-02-10
WO2000036838A3 (en) 2000-10-12

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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