ATE462274T1 - Verfahren und anlage zur modifizierung eines videosignals um die herstellung akzeptabler videobandaufnahmen zu unterbinden - Google Patents

Verfahren und anlage zur modifizierung eines videosignals um die herstellung akzeptabler videobandaufnahmen zu unterbinden

Info

Publication number
ATE462274T1
ATE462274T1 AT97926424T AT97926424T ATE462274T1 AT E462274 T1 ATE462274 T1 AT E462274T1 AT 97926424 T AT97926424 T AT 97926424T AT 97926424 T AT97926424 T AT 97926424T AT E462274 T1 ATE462274 T1 AT E462274T1
Authority
AT
Austria
Prior art keywords
signal
sync
video signal
video
pulses
Prior art date
Application number
AT97926424T
Other languages
English (en)
Inventor
John Ryan
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
Application granted granted Critical
Publication of ATE462274T1 publication Critical patent/ATE462274T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • 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
    • 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
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91314—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a pulse signal inserted in blanking intervals of the video signal, e.g. pseudo-AGC pulses, pseudo-sync pulses
AT97926424T 1996-05-08 1997-05-07 Verfahren und anlage zur modifizierung eines videosignals um die herstellung akzeptabler videobandaufnahmen zu unterbinden ATE462274T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1785996P 1996-05-08 1996-05-08
PCT/US1997/007790 WO1997042755A1 (en) 1996-05-08 1997-05-07 Method and apparatus for modifications made to a video signal to inhibit the making of acceptable videotape recordings

Publications (1)

Publication Number Publication Date
ATE462274T1 true ATE462274T1 (de) 2010-04-15

Family

ID=21784930

Family Applications (1)

Application Number Title Priority Date Filing Date
AT97926424T ATE462274T1 (de) 1996-05-08 1997-05-07 Verfahren und anlage zur modifizierung eines videosignals um die herstellung akzeptabler videobandaufnahmen zu unterbinden

Country Status (13)

Country Link
EP (1) EP0897635B1 (de)
JP (1) JP4182262B2 (de)
KR (1) KR100447004B1 (de)
AT (1) ATE462274T1 (de)
AU (1) AU704950B2 (de)
BR (1) BR9708927B1 (de)
CA (1) CA2252729C (de)
DE (1) DE69739818D1 (de)
HK (1) HK1016391A1 (de)
IN (1) IN191905B (de)
NZ (1) NZ332289A (de)
TW (1) TW331691B (de)
WO (1) WO1997042755A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006050009A1 (en) * 2004-10-28 2006-05-11 Macrovision Corporation Content management for high definition television
US7792293B2 (en) 2005-05-06 2010-09-07 Rovi Solutions Corporation Method and apparatus for modifying a subsequently generated control command in a content control system

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52114313A (en) * 1976-03-23 1977-09-26 Sony Corp Recorded medium and production method therefor
JPS58123289A (ja) * 1982-01-18 1983-07-22 Shinano Kikaku:Kk 否複製映像録画済磁気テ−プの記録方法
US4577216A (en) * 1983-11-14 1986-03-18 Macrovision Method and apparatus for modifying the color burst to prohibit videotape recording
US4819098A (en) * 1983-11-23 1989-04-04 Macrovision Corporation Method and apparatus for clustering modifications made to a video signal to inhibit the making of acceptable videotape recordings
US5130810A (en) * 1983-11-23 1992-07-14 Macrovision Corporation Method and apparatus for processing a video signal so as to prohibit the making of acceptable videotape recordings
US4631603A (en) * 1985-04-17 1986-12-23 Macrovision Method and apparatus for processing a video signal so as to prohibit the making of acceptable video tape recordings thereof
US5134496A (en) * 1989-05-26 1992-07-28 Technicolor Videocassette Of Michigan Inc. Bilateral anti-copying device for video systems
NL9000951A (nl) * 1990-04-20 1991-11-18 Copyguard Enterprises Werkwijze en toestel voor het verhinderen van het onrechtmatig op band overnemen van beeldsignalen.
US5251041A (en) * 1991-06-21 1993-10-05 Young Philip L Method and apparatus for modifying a video signal to inhibit unauthorized videotape recording and subsequent reproduction thereof
US5394470A (en) * 1992-08-24 1995-02-28 Eidak Corporation Horizontal pulse augmentation of a video signal
US5583936A (en) * 1993-05-17 1996-12-10 Macrovision Corporation Video copy protection process enhancement to introduce horizontal and vertical picture distortions
US5585929A (en) * 1993-06-10 1996-12-17 Young; Philip L. Method and apparatus for modifying a video signal to inhibit unauthorized videotape recording and subsequent reproduction thereof
KR0133337B1 (ko) 1994-12-21 1998-04-21 양승택 타켓 시스템 이중화 운용관리 장치 및 방법
JPH11503282A (ja) * 1995-04-07 1999-03-23 トレヴァー フランクリン 映像信号を処理する方法及び装置

Also Published As

Publication number Publication date
NZ332289A (en) 2000-07-28
JP4182262B2 (ja) 2008-11-19
WO1997042755A1 (en) 1997-11-13
AU704950B2 (en) 1999-05-06
BR9708927A (pt) 1999-08-03
EP0897635B1 (de) 2010-03-24
DE69739818D1 (de) 2010-05-06
EP0897635A1 (de) 1999-02-24
CA2252729C (en) 2001-08-07
AU3119497A (en) 1997-11-26
KR20000010797A (ko) 2000-02-25
CA2252729A1 (en) 1997-11-13
BR9708927B1 (pt) 2010-11-16
IN191905B (de) 2004-01-17
JP2000510297A (ja) 2000-08-08
KR100447004B1 (ko) 2004-11-03
EP0897635A4 (de) 2000-11-22
HK1016391A1 (en) 1999-10-29
TW331691B (en) 1998-05-11

Similar Documents

Publication Publication Date Title
US4819098A (en) Method and apparatus for clustering modifications made to a video signal to inhibit the making of acceptable videotape recordings
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DE199553T1 (de) Verfahren und vorrichtung zur verarbeitung eines videosignals um die herstellung von akzeptablen videobandaufnahmen davon zu verhindern.
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ATE462274T1 (de) Verfahren und anlage zur modifizierung eines videosignals um die herstellung akzeptabler videobandaufnahmen zu unterbinden
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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties