IL125263A0 - Method and apparatus for improving the effects of color burst modifications to a video signal - Google Patents

Method and apparatus for improving the effects of color burst modifications to a video signal

Info

Publication number
IL125263A0
IL125263A0 IL12526396A IL12526396A IL125263A0 IL 125263 A0 IL125263 A0 IL 125263A0 IL 12526396 A IL12526396 A IL 12526396A IL 12526396 A IL12526396 A IL 12526396A IL 125263 A0 IL125263 A0 IL 125263A0
Authority
IL
Israel
Prior art keywords
improving
effects
video signal
color burst
burst modifications
Prior art date
Application number
IL12526396A
Other languages
English (en)
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27533382&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=IL125263(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Macrovision Corp filed Critical Macrovision Corp
Publication of IL125263A0 publication Critical patent/IL125263A0/xx

Links

Classifications

    • 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
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
    • H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation
    • H04N9/455—Generation of colour burst signals; Insertion of colour burst signals in colour picture signals or separation of colour burst signals from colour picture signals
    • 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
    • H04N2005/91321—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 copy protection control signal, e.g. a record inhibit 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
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91371—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video color burst signal being modified

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Television Signal Processing For Recording (AREA)
  • Studio Circuits (AREA)
IL12526396A 1996-01-16 1996-11-05 Method and apparatus for improving the effects of color burst modifications to a video signal IL125263A0 (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US1001596P 1996-01-16 1996-01-16
US1077996P 1996-01-29 1996-01-29
US1424696P 1996-03-26 1996-03-26
US2439396P 1996-06-28 1996-06-28
US2164596P 1996-07-12 1996-07-12
PCT/US1996/017719 WO1997026759A1 (en) 1996-01-16 1996-11-05 Method and apparatus for improving the effects of color burst modifications to a video signal

Publications (1)

Publication Number Publication Date
IL125263A0 true IL125263A0 (en) 1999-03-12

Family

ID=27533382

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12526396A IL125263A0 (en) 1996-01-16 1996-11-05 Method and apparatus for improving the effects of color burst modifications to a video signal

Country Status (23)

Country Link
EP (3) EP1152611B1 (pl)
JP (1) JP3567243B2 (pl)
KR (1) KR100304040B1 (pl)
CN (1) CN1109440C (pl)
AR (1) AR004417A1 (pl)
AT (3) ATE239340T1 (pl)
AU (1) AU700936B2 (pl)
BG (1) BG63588B1 (pl)
BR (1) BR9612439A (pl)
CA (1) CA2243280C (pl)
CZ (1) CZ290419B6 (pl)
DE (3) DE69627905T2 (pl)
DK (3) DK1152610T3 (pl)
ES (3) ES2195975T3 (pl)
FI (1) FI981551A7 (pl)
HU (1) HU224851B1 (pl)
IL (1) IL125263A0 (pl)
MY (3) MY127596A (pl)
NZ (1) NZ322723A (pl)
PL (1) PL183576B1 (pl)
PT (3) PT1152610E (pl)
RU (1) RU2160971C2 (pl)
WO (1) WO1997026759A1 (pl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PT970581E (pt) * 1997-03-21 2003-06-30 Macrovision Corp Metodo para detectar sinais de rajada de sincronizacao de cor modificadas para evitar a copia de um programa de vidro
RU2195084C2 (ru) * 1997-10-08 2002-12-20 Макровижн Корпорейшн Способ и устройство для "водяного знака" однократного копирования для видеозаписи
GB2377109B (en) * 2001-06-28 2003-12-03 Motorola Inc Video/image communication with watermarking
CN100435554C (zh) * 2003-06-13 2008-11-19 钰创科技股份有限公司 图像信号处理的相位增强导致减弱的相位回复方法及电路

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5739598B2 (pl) * 1974-04-23 1982-08-21
DE2924453A1 (de) * 1979-06-18 1981-01-15 Walter Ing Grad Breu Verfahren und einrichtung zur herstellung kopiersicher bespielter videokassetten
DE3306174A1 (de) * 1983-02-23 1984-08-23 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Videokassette mit schutz gegen ueberspielung
US4577216A (en) * 1983-11-14 1986-03-18 Macrovision Method and apparatus for modifying the color burst to prohibit videotape recording
US4626890A (en) * 1984-07-03 1986-12-02 Macrovision Method and apparatus for removing phase modulation from the color burst
JP2516094B2 (ja) * 1990-08-09 1996-07-10 日本ビクター株式会社 Ｐａｌ信号のカラ―フィ―ルド検出回路
US5315448A (en) * 1993-03-18 1994-05-24 Macrovision Corporation Copy protection for hybrid digital video tape recording and unprotected source material
CZ288018B6 (cs) * 1995-05-09 2001-04-11 Macrovision Corporation Způsob zabránění vytváření přijatelného obrazového záznamu obrazového signálu

Also Published As

Publication number Publication date
CZ290419B6 (cs) 2002-07-17
PL327932A1 (en) 1999-01-04
ATE237901T1 (de) 2003-05-15
FI981551L (fi) 1998-08-19
MY119421A (en) 2005-05-31
HUP0000391A2 (hu) 2000-06-28
DE69627555D1 (de) 2003-05-22
NZ322723A (en) 1999-02-25
HU224851B1 (en) 2006-03-28
BG63588B1 (bg) 2002-05-31
AR004417A1 (es) 1998-12-16
PT1152611E (pt) 2003-09-30
KR19990077383A (ko) 1999-10-25
PT1152610E (pt) 2003-09-30
CZ215298A3 (cs) 1999-05-12
CN1109440C (zh) 2003-05-21
DE69627555T2 (de) 2003-11-20
CA2243280C (en) 2001-07-31
HK1016393A1 (en) 1999-10-29
PT875116E (pt) 2002-08-30
BG102615A (bg) 1999-06-30
EP0875116B1 (en) 2002-02-27
PL183576B1 (pl) 2002-06-28
DE69619556D1 (de) 2002-04-04
ES2169821T3 (es) 2002-07-16
WO1997026759A1 (en) 1997-07-24
CA2243280A1 (en) 1997-07-24
ES2192552T3 (es) 2003-10-16
DK1152610T3 (da) 2003-07-21
DE69627905D1 (de) 2003-06-05
AU7668896A (en) 1997-08-11
EP1152610A1 (en) 2001-11-07
JP2002506580A (ja) 2002-02-26
FI981551A7 (fi) 1998-08-19
EP1152611A1 (en) 2001-11-07
HUP0000391A3 (en) 2002-09-30
MY127595A (en) 2006-12-29
BR9612439A (pt) 1999-07-13
RU2160971C2 (ru) 2000-12-20
CN1207850A (zh) 1999-02-10
DE69627905T2 (de) 2004-05-19
ATE213891T1 (de) 2002-03-15
FI981551A0 (fi) 1996-11-05
ATE239340T1 (de) 2003-05-15
DK1152611T3 (da) 2003-07-21
AU700936B2 (en) 1999-01-14
ES2195975T3 (es) 2003-12-16
KR100304040B1 (ko) 2001-11-22
DE69619556T2 (de) 2002-08-22
JP3567243B2 (ja) 2004-09-22
EP1152610B1 (en) 2003-04-16
DK0875116T3 (da) 2002-04-15
EP1152611B1 (en) 2003-05-02
MY127596A (en) 2006-12-29
EP0875116A1 (en) 1998-11-04

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