BG63588B1 - Метод и устройство за подобряване ефекта от цветови лентови модификации на видеосигнал - Google Patents
Метод и устройство за подобряване ефекта от цветови лентови модификации на видеосигнал Download PDFInfo
- Publication number
- BG63588B1 BG63588B1 BG102615A BG10261598A BG63588B1 BG 63588 B1 BG63588 B1 BG 63588B1 BG 102615 A BG102615 A BG 102615A BG 10261598 A BG10261598 A BG 10261598A BG 63588 B1 BG63588 B1 BG 63588B1
- Authority
- BG
- Bulgaria
- Prior art keywords
- color
- packet
- signal
- video
- duration
- 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
- 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)
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 (2)
Publication Number | Publication Date |
---|---|
BG102615A BG102615A (en) | 1999-06-30 |
BG63588B1 true BG63588B1 (bg) | 2002-05-31 |
Family
ID=27533382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BG102615A BG63588B1 (bg) | 1996-01-16 | 1998-07-09 | Метод и устройство за подобряване ефекта от цветови лентови модификации на видеосигнал |
Country Status (24)
Country | Link |
---|---|
EP (3) | EP1152610B1 (da) |
JP (1) | JP3567243B2 (da) |
KR (1) | KR100304040B1 (da) |
CN (1) | CN1109440C (da) |
AR (1) | AR004417A1 (da) |
AT (3) | ATE237901T1 (da) |
AU (1) | AU700936B2 (da) |
BG (1) | BG63588B1 (da) |
BR (1) | BR9612439A (da) |
CA (1) | CA2243280C (da) |
CZ (1) | CZ290419B6 (da) |
DE (3) | DE69627555T2 (da) |
DK (3) | DK0875116T3 (da) |
ES (3) | ES2169821T3 (da) |
FI (1) | FI981551A (da) |
HK (1) | HK1016393A1 (da) |
HU (1) | HU224851B1 (da) |
IL (1) | IL125263A0 (da) |
MY (3) | MY119421A (da) |
NZ (1) | NZ322723A (da) |
PL (1) | PL183576B1 (da) |
PT (3) | PT875116E (da) |
RU (1) | RU2160971C2 (da) |
WO (1) | WO1997026759A1 (da) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1998043420A1 (en) * | 1997-03-21 | 1998-10-01 | Macrovision Corporation | Method and apparatus for detecting modified color burst signals to prevent the copying of a video program |
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 (5)
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 |
US5315448A (en) * | 1993-03-18 | 1994-05-24 | Macrovision Corporation | Copy protection for hybrid digital video tape recording and unprotected source material |
PT824825E (pt) * | 1995-05-09 | 2002-04-29 | Macrovision Corp | Processo e aparelho para contraiar os efeitos das modificacoes da pequena serie de oscilacoes na subportadora de crominancia seguinte a cada impulso de sincronizacao horizontal num sinal de video |
-
1996
- 1996-11-05 PL PL96327932A patent/PL183576B1/pl unknown
- 1996-11-05 CZ CZ19982152A patent/CZ290419B6/cs not_active IP Right Cessation
- 1996-11-05 AU AU76688/96A patent/AU700936B2/en not_active Expired
- 1996-11-05 DK DK96939546T patent/DK0875116T3/da active
- 1996-11-05 CA CA002243280A patent/CA2243280C/en not_active Expired - Lifetime
- 1996-11-05 ES ES96939546T patent/ES2169821T3/es not_active Expired - Lifetime
- 1996-11-05 ES ES01118065T patent/ES2195975T3/es not_active Expired - Lifetime
- 1996-11-05 AT AT01118064T patent/ATE237901T1/de active
- 1996-11-05 DE DE69627555T patent/DE69627555T2/de not_active Expired - Lifetime
- 1996-11-05 EP EP01118064A patent/EP1152610B1/en not_active Expired - Lifetime
- 1996-11-05 EP EP01118065A patent/EP1152611B1/en not_active Expired - Lifetime
- 1996-11-05 ES ES01118064T patent/ES2192552T3/es not_active Expired - Lifetime
- 1996-11-05 PT PT96939546T patent/PT875116E/pt unknown
- 1996-11-05 KR KR1019980705558A patent/KR100304040B1/ko not_active IP Right Cessation
- 1996-11-05 DK DK01118065T patent/DK1152611T3/da active
- 1996-11-05 AT AT01118065T patent/ATE239340T1/de active
- 1996-11-05 PT PT01118064T patent/PT1152610E/pt unknown
- 1996-11-05 RU RU98115295/09A patent/RU2160971C2/ru active
- 1996-11-05 HU HU0000391A patent/HU224851B1/hu unknown
- 1996-11-05 WO PCT/US1996/017719 patent/WO1997026759A1/en active IP Right Grant
- 1996-11-05 CN CN96199654A patent/CN1109440C/zh not_active Expired - Lifetime
- 1996-11-05 BR BR9612439A patent/BR9612439A/pt not_active IP Right Cessation
- 1996-11-05 DK DK01118064T patent/DK1152610T3/da active
- 1996-11-05 PT PT01118065T patent/PT1152611E/pt unknown
- 1996-11-05 IL IL12526396A patent/IL125263A0/xx not_active IP Right Cessation
- 1996-11-05 AT AT96939546T patent/ATE213891T1/de active
- 1996-11-05 DE DE69619556T patent/DE69619556T2/de not_active Expired - Lifetime
- 1996-11-05 JP JP52597597A patent/JP3567243B2/ja not_active Expired - Lifetime
- 1996-11-05 DE DE69627905T patent/DE69627905T2/de not_active Expired - Lifetime
- 1996-11-05 EP EP96939546A patent/EP0875116B1/en not_active Expired - Lifetime
- 1996-12-05 NZ NZ322723A patent/NZ322723A/xx not_active IP Right Cessation
-
1997
- 1997-01-16 MY MYPI97000153A patent/MY119421A/en unknown
- 1997-01-16 MY MYPI20041725A patent/MY127596A/en unknown
- 1997-01-16 MY MYPI20041715A patent/MY127595A/en unknown
- 1997-01-16 AR ARP970100173A patent/AR004417A1/es unknown
-
1998
- 1998-07-06 FI FI981551A patent/FI981551A/fi not_active Application Discontinuation
- 1998-07-09 BG BG102615A patent/BG63588B1/bg unknown
-
1999
- 1999-03-24 HK HK99101221A patent/HK1016393A1/xx not_active IP Right Cessation
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