SG60020A1 - Copy protection by inserting a phasw-shifted color burst signal into the burst interval of an analog color video signal - Google Patents
Copy protection by inserting a phasw-shifted color burst signal into the burst interval of an analog color video signalInfo
- Publication number
- SG60020A1 SG60020A1 SG1996010860A SG1996010860A SG60020A1 SG 60020 A1 SG60020 A1 SG 60020A1 SG 1996010860 A SG1996010860 A SG 1996010860A SG 1996010860 A SG1996010860 A SG 1996010860A SG 60020 A1 SG60020 A1 SG 60020A1
- Authority
- SG
- Singapore
- Prior art keywords
- burst
- signal
- video signal
- phasw
- color
- Prior art date
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
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
- Processing Of Color Television Signals (AREA)
- Television Systems (AREA)
- Facsimile Image Signal Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30349495A JP3430750B2 (ja) | 1995-10-27 | 1995-10-27 | ビデオ信号のコピーガード装置および方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
SG60020A1 true SG60020A1 (en) | 1999-02-22 |
Family
ID=17921645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG1996010860A SG60020A1 (en) | 1995-10-27 | 1996-10-11 | Copy protection by inserting a phasw-shifted color burst signal into the burst interval of an analog color video signal |
Country Status (17)
Country | Link |
---|---|
US (1) | US6041158A (de) |
EP (2) | EP0771108B1 (de) |
JP (1) | JP3430750B2 (de) |
KR (1) | KR100454617B1 (de) |
CN (1) | CN1107409C (de) |
AT (2) | ATE262764T1 (de) |
BR (1) | BR9605242B1 (de) |
CA (1) | CA2188104C (de) |
CZ (1) | CZ288051B6 (de) |
DE (2) | DE69617882T2 (de) |
ES (2) | ES2165477T3 (de) |
MY (1) | MY116676A (de) |
PL (1) | PL182923B1 (de) |
RU (1) | RU2166238C2 (de) |
SG (1) | SG60020A1 (de) |
TR (1) | TR199600847A2 (de) |
TW (1) | TW358310B (de) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6327422B1 (en) * | 1997-07-18 | 2001-12-04 | Macrovision Corp | Method and apparatus for modifying the effects of color burst modifications to a video signal |
PL180475B1 (pl) * | 1995-05-09 | 2001-02-28 | Macrovision Corp | Sposób i urzadzenie do usuwania modyfikacji, zwlaszcza zaklócen barwnych, wprowadzonej do sygnalu wizyjnego PL PL PL PL PL PL PL |
US6516132B1 (en) | 1995-05-09 | 2003-02-04 | Macrovision Corp | Method and apparatus for improving the effects of color burst modifications to a video signal |
JP3695016B2 (ja) * | 1996-10-15 | 2005-09-14 | ソニー株式会社 | ビデオ信号処理装置及びビデオ信号処理方法 |
US6345099B1 (en) * | 1998-05-22 | 2002-02-05 | S3 Incorporated | System and method for copy protecting computer graphics |
US6836549B1 (en) * | 1998-09-02 | 2004-12-28 | Macrovision Corporation | Method and apparatus for synthesizing and reducing the effects of video copy protection signals |
US7324646B1 (en) * | 1999-10-29 | 2008-01-29 | Sarnoff Corporation | Method and apparatus for film anti-piracy |
US7050698B1 (en) | 2000-08-15 | 2006-05-23 | Macrovision Corporation | Method and apparatus for synthesizing or modifying a copy protection signal using a lowered signal level portion |
US7043019B2 (en) | 2001-02-28 | 2006-05-09 | Eastman Kodak Company | Copy protection for digital motion picture image data |
JP3789838B2 (ja) * | 2002-03-26 | 2006-06-28 | 三洋電機株式会社 | 表示装置 |
GB2390247B (en) * | 2002-06-28 | 2006-04-12 | Dwight Cavendish Systems Ltd | An improved method and apparatus for providing an anti-copy video signal |
US20040150794A1 (en) * | 2003-01-30 | 2004-08-05 | Eastman Kodak Company | Projector with camcorder defeat |
KR101029396B1 (ko) * | 2003-03-24 | 2011-04-14 | 소니 주식회사 | 데이터 부호화 장치, 데이터 부호화 방법, 데이터 복호화 장치, 및 데이터 복호화 방법 |
US7221759B2 (en) * | 2003-03-27 | 2007-05-22 | Eastman Kodak Company | Projector with enhanced security camcorder defeat |
GB0312985D0 (en) | 2003-06-05 | 2003-07-09 | Dwight Cavendish Systems Ltd | Digital processing disruption systems |
US7634134B1 (en) | 2004-03-15 | 2009-12-15 | Vincent So | Anti-piracy image display methods and systems |
US7693330B2 (en) * | 2004-03-15 | 2010-04-06 | Vincent So | Anti-piracy image display methods and systems with sub-frame intensity compensation |
GB2419220B (en) * | 2004-10-13 | 2009-06-03 | Dwight Cavendish Systems Ltd | Audio copy protection system |
GB0513051D0 (en) | 2005-06-27 | 2005-08-03 | Dwight Cavendish Systems Ltd | Copy protection method and apparatus |
US20070217612A1 (en) * | 2006-03-17 | 2007-09-20 | Vincent So | Method and system of key-coding a video |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
JPS60130283A (ja) * | 1983-12-16 | 1985-07-11 | Matsushita Electric Ind Co Ltd | スクランブル方法 |
US4626890A (en) * | 1984-07-03 | 1986-12-02 | Macrovision | Method and apparatus for removing phase modulation from the color burst |
US4691353A (en) * | 1985-02-25 | 1987-09-01 | Scientific Atlanta, Inc. | Scrambling systems for CATV |
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 |
JPS6359195A (ja) * | 1986-08-29 | 1988-03-15 | Hitachi Ltd | 磁気記録再生装置 |
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 |
JP3114263B2 (ja) * | 1991-07-29 | 2000-12-04 | ソニー株式会社 | 映像信号記録システム |
US5315448A (en) * | 1993-03-18 | 1994-05-24 | Macrovision Corporation | Copy protection for hybrid digital video tape recording and unprotected source material |
JP3500671B2 (ja) * | 1993-10-08 | 2004-02-23 | ソニー株式会社 | ディジタル画像信号の記録及び/又は再生方法、記録及び/又は再生装置及び記録媒体 |
JP3319141B2 (ja) * | 1994-03-27 | 2002-08-26 | ソニー株式会社 | 画像信号処理装置 |
PL180475B1 (pl) * | 1995-05-09 | 2001-02-28 | Macrovision Corp | Sposób i urzadzenie do usuwania modyfikacji, zwlaszcza zaklócen barwnych, wprowadzonej do sygnalu wizyjnego PL PL PL PL PL PL PL |
-
1995
- 1995-10-27 JP JP30349495A patent/JP3430750B2/ja not_active Expired - Lifetime
-
1996
- 1996-10-05 MY MYPI96004142A patent/MY116676A/en unknown
- 1996-10-09 AT AT01201207T patent/ATE262764T1/de active
- 1996-10-09 DE DE69617882T patent/DE69617882T2/de not_active Expired - Lifetime
- 1996-10-09 EP EP96307345A patent/EP0771108B1/de not_active Expired - Lifetime
- 1996-10-09 AT AT96307345T patent/ATE210913T1/de active
- 1996-10-09 ES ES96307345T patent/ES2165477T3/es not_active Expired - Lifetime
- 1996-10-09 EP EP01201207A patent/EP1133181B1/de not_active Expired - Lifetime
- 1996-10-09 DE DE69631982T patent/DE69631982T2/de not_active Expired - Lifetime
- 1996-10-09 ES ES01201207T patent/ES2214378T3/es not_active Expired - Lifetime
- 1996-10-11 SG SG1996010860A patent/SG60020A1/en unknown
- 1996-10-12 TW TW085112479A patent/TW358310B/zh not_active IP Right Cessation
- 1996-10-17 CA CA002188104A patent/CA2188104C/en not_active Expired - Lifetime
- 1996-10-18 US US08/733,431 patent/US6041158A/en not_active Expired - Lifetime
- 1996-10-22 CN CN96122017A patent/CN1107409C/zh not_active Expired - Lifetime
- 1996-10-23 CZ CZ19963113A patent/CZ288051B6/cs not_active IP Right Cessation
- 1996-10-24 TR TR96/00847A patent/TR199600847A2/xx unknown
- 1996-10-24 BR BRPI9605242-2A patent/BR9605242B1/pt not_active IP Right Cessation
- 1996-10-25 RU RU96121015/09A patent/RU2166238C2/ru active
- 1996-10-25 KR KR1019960049879A patent/KR100454617B1/ko not_active IP Right Cessation
- 1996-10-25 PL PL96316700A patent/PL182923B1/pl unknown
Also Published As
Publication number | Publication date |
---|---|
EP1133181B1 (de) | 2004-03-24 |
BR9605242B1 (pt) | 2008-11-18 |
TR199600847A3 (de) | 1997-05-21 |
JPH09130826A (ja) | 1997-05-16 |
DE69617882T2 (de) | 2002-08-01 |
BR9605242A (pt) | 1998-07-21 |
CZ311396A3 (cs) | 1998-02-18 |
ES2165477T3 (es) | 2002-03-16 |
DE69631982T2 (de) | 2005-02-10 |
EP0771108B1 (de) | 2001-12-12 |
ATE262764T1 (de) | 2004-04-15 |
CN1154633A (zh) | 1997-07-16 |
CZ288051B6 (cs) | 2001-04-11 |
ATE210913T1 (de) | 2001-12-15 |
ES2214378T3 (es) | 2004-09-16 |
CA2188104A1 (en) | 1997-04-28 |
MY116676A (en) | 2004-03-31 |
RU2166238C2 (ru) | 2001-04-27 |
PL316700A1 (en) | 1997-04-28 |
CA2188104C (en) | 2004-04-20 |
PL182923B1 (pl) | 2002-04-30 |
KR100454617B1 (ko) | 2004-12-30 |
JP3430750B2 (ja) | 2003-07-28 |
CN1107409C (zh) | 2003-04-30 |
EP0771108A2 (de) | 1997-05-02 |
TR199600847A2 (tr) | 1997-05-21 |
TW358310B (en) | 1999-05-11 |
DE69617882D1 (de) | 2002-01-24 |
DE69631982D1 (de) | 2004-04-29 |
EP1133181A1 (de) | 2001-09-12 |
EP0771108A3 (de) | 1997-05-14 |
US6041158A (en) | 2000-03-21 |
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