DE3143653C2 - - Google Patents
Info
- Publication number
- DE3143653C2 DE3143653C2 DE3143653A DE3143653A DE3143653C2 DE 3143653 C2 DE3143653 C2 DE 3143653C2 DE 3143653 A DE3143653 A DE 3143653A DE 3143653 A DE3143653 A DE 3143653A DE 3143653 C2 DE3143653 C2 DE 3143653C2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- color
- foreground
- active
- background
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims 1
- 238000012986 modification Methods 0.000 claims 1
- 230000007704 transition Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000012937 correction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/64—Circuits for processing colour signals
- H04N9/74—Circuits for processing colour signals for obtaining special effects
- H04N9/75—Chroma key
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813143653 DE3143653A1 (de) | 1981-11-04 | 1981-11-04 | Verfahren zum mischen zweier farbfernsehsignale |
| US06/437,888 US4496966A (en) | 1981-11-04 | 1982-10-29 | Method for mixing two color television signals |
| GB08231109A GB2109193B (en) | 1981-11-04 | 1982-11-01 | Method for mixing two colour television signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19813143653 DE3143653A1 (de) | 1981-11-04 | 1981-11-04 | Verfahren zum mischen zweier farbfernsehsignale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3143653A1 DE3143653A1 (de) | 1983-05-11 |
| DE3143653C2 true DE3143653C2 (OSRAM) | 1989-03-30 |
Family
ID=6145518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19813143653 Granted DE3143653A1 (de) | 1981-11-04 | 1981-11-04 | Verfahren zum mischen zweier farbfernsehsignale |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4496966A (OSRAM) |
| DE (1) | DE3143653A1 (OSRAM) |
| GB (1) | GB2109193B (OSRAM) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5216755A (en) * | 1980-12-04 | 1993-06-01 | Quantel Limited | Video image creation system which proportionally mixes previously created image pixel data with currently created data |
| GB2157121B (en) * | 1982-01-15 | 1986-10-01 | Quantel Ltd | Image composition system |
| US4602286A (en) * | 1982-01-15 | 1986-07-22 | Quantel Limited | Video processing for composite images |
| GB2157122B (en) * | 1982-01-15 | 1986-09-24 | Quantel Ltd | Image composition system |
| FR2527033A1 (fr) * | 1982-05-17 | 1983-11-18 | Telediffusion Fse | Systeme d'incrustation d'images en television en couleurs |
| GB8423654D0 (en) * | 1984-09-19 | 1984-10-24 | Electrocraft Consultants Ltd | Colour separation overlay |
| US4680622A (en) * | 1985-02-11 | 1987-07-14 | Ncr Corporation | Apparatus and method for mixing video signals for simultaneous presentation |
| DE3522986A1 (de) * | 1985-06-27 | 1987-01-08 | Bosch Gmbh Robert | Schaltung zur matrizierung dreier farbwertsignale in farbdifferenzsignale und in ein leuchtdichtesignal |
| JPH087567B2 (ja) * | 1986-08-12 | 1996-01-29 | 株式会社日立製作所 | 画像表示装置 |
| DE3810328A1 (de) * | 1988-03-26 | 1989-10-05 | Bosch Gmbh Robert | Verfahren und schaltung zur kombination zweier fernsehbildsignale |
| DE3811243A1 (de) * | 1988-04-02 | 1989-10-12 | Bosch Gmbh Robert | Verfahren zur elektronischen hintergrundeinblendung |
| DE4028424A1 (de) * | 1990-09-07 | 1992-03-12 | Philips Patentverwaltung | Schaltungsanordnung zur a/d-umsetzung der farbinformationen zweier bildsignale |
| GB9109999D0 (en) * | 1991-05-09 | 1991-07-03 | Quantel Ltd | Improvements in or relating to keying systems and methods for television image processing |
| US5249039A (en) * | 1991-11-18 | 1993-09-28 | The Grass Valley Group, Inc. | Chroma key method and apparatus |
| US6122014A (en) * | 1998-09-17 | 2000-09-19 | Motorola, Inc. | Modified chroma keyed technique for simple shape coding for digital video |
| US10329750B2 (en) | 2015-08-25 | 2019-06-25 | Globe Union Industrial Corp. | Faucets providing water-and-air flow |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2245070A1 (de) * | 1972-09-14 | 1974-03-21 | Technicolor | System zur kombination von farbbildern |
| US4408221A (en) * | 1981-09-22 | 1983-10-04 | Mccoy Reginald F H | Television chroma-key systems |
-
1981
- 1981-11-04 DE DE19813143653 patent/DE3143653A1/de active Granted
-
1982
- 1982-10-29 US US06/437,888 patent/US4496966A/en not_active Expired - Fee Related
- 1982-11-01 GB GB08231109A patent/GB2109193B/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB2109193B (en) | 1985-05-30 |
| GB2109193A (en) | 1983-05-25 |
| US4496966A (en) | 1985-01-29 |
| DE3143653A1 (de) | 1983-05-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3143653C2 (OSRAM) | ||
| AT390860B (de) | Chrominanzsignal-verarbeitungskreis | |
| DE2908803C2 (OSRAM) | ||
| DE3439126A1 (de) | Nichtlineare digitale emphasisschaltung | |
| DE3103214C2 (OSRAM) | ||
| DE68915913T2 (de) | Digitalgerät für Videoeffekte. | |
| DE3786581T2 (de) | Kodierung und dekodierung von digitalen videokomponentensignalen. | |
| DE3343261C2 (OSRAM) | ||
| DE3017930A1 (de) | Videosignalschaltung zur vertikalaufloesungsbeeinflussung | |
| DE3141257A1 (de) | Farbsignalverarbeitungsschaltung | |
| DE2237784A1 (de) | Schaltungsanordnung zur veraenderung der farbart | |
| DE2207021C3 (de) | Wiedergabeschaltung für ein trizeilensequentielles Farbfernsehsignal | |
| EP0019735B1 (de) | Verfahren und Schaltung zur Kontrastkorrektur von Farbfernsehsignalen | |
| DE2438674A1 (de) | Schaltung zur lieferung eines luminanzund chrominanzsignals aus einem fbas-fernsehsignal | |
| DE3633716C2 (OSRAM) | ||
| DE2821183B1 (de) | Schaltungsanordnung zum Erkennen und ggf. Unterdruecken von Cross-Colour-Stoerungen in Farbfernsehsignalen | |
| EP0820201B1 (de) | Schaltungsanordnung zur Frequenzumsetzung eines Farbsignals | |
| DE2711586C3 (de) | Schaltung zur Erzeugung spezieller Effekte auf Farbfernsehbildern insbesondere zur Betitelung | |
| DE69314617T2 (de) | Methode und Vorrichtung für verbesserte SECAM-Kodierung | |
| DE2549584C3 (de) | Verfahren und Schaltungsanordnung zur Einblendung eines Schriftzeichensignals in ein SECAM-Farbfernsehsignal | |
| DE3017933C2 (de) | Signalverarbeitungsschaltung | |
| DE2136736C3 (de) | Farbtonkorrekturschaltung für Farbfernsehempfänger | |
| DE2124570C3 (de) | Verfahren und Anordnung zur Gewinnung definierter Farbwertsignale aus Schwarz-Weiß-Bildsignalen | |
| DE2244624A1 (de) | Verfahren und einrichtung zum mischen von farbfernsehsignalen | |
| DE2818288A1 (de) | Pal-farbdemodulator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8320 | Willingness to grant licences declared (paragraph 23) | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: BTS BROADCAST TELEVISION SYSTEMS GMBH, 6100 DARMST |
|
| 8339 | Ceased/non-payment of the annual fee |