FR2448821B1 - - Google Patents
Info
- Publication number
- FR2448821B1 FR2448821B1 FR7903521A FR7903521A FR2448821B1 FR 2448821 B1 FR2448821 B1 FR 2448821B1 FR 7903521 A FR7903521 A FR 7903521A FR 7903521 A FR7903521 A FR 7903521A FR 2448821 B1 FR2448821 B1 FR 2448821B1
- Authority
- FR
- France
- 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
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 (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7903521A FR2448821A1 (fr) | 1979-02-12 | 1979-02-12 | Procede et systeme d'incrustation d'images en television en couleurs |
| EP80400202A EP0014665B1 (fr) | 1979-02-12 | 1980-02-08 | Procédé et système d'incrustation d'images en télévision en couleurs |
| DE8080400202T DE3062568D1 (en) | 1979-02-12 | 1980-02-08 | Method and system for picture overlay in colour television |
| JP1489680A JPS55107390A (en) | 1979-02-12 | 1980-02-12 | Picture inserting system for color television |
| US06/121,779 US4292649A (en) | 1979-02-12 | 1980-02-14 | Composite video signal combining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7903521A FR2448821A1 (fr) | 1979-02-12 | 1979-02-12 | Procede et systeme d'incrustation d'images en television en couleurs |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2448821A1 FR2448821A1 (fr) | 1980-09-05 |
| FR2448821B1 true FR2448821B1 (US08063081-20111122-C00115.png) | 1984-02-24 |
Family
ID=9221858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7903521A Granted FR2448821A1 (fr) | 1979-02-12 | 1979-02-12 | Procede et systeme d'incrustation d'images en television en couleurs |
Country Status (5)
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4403249A (en) * | 1978-02-21 | 1983-09-06 | Dr. Ing. Rudolf Hell Gmbh. | Apparatus for mixing image signals to obtain a printing master |
| 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 |
| US5289566A (en) * | 1980-12-04 | 1994-02-22 | Quantel, Ltd. | Video image creation |
| US4374395A (en) * | 1980-12-24 | 1983-02-15 | Texas Instruments Incorporated | Video system with picture information and logic signal multiplexing |
| US4393394A (en) * | 1981-08-17 | 1983-07-12 | Mccoy Reginald F H | Television image positioning and combining system |
| FR2527033A1 (fr) * | 1982-05-17 | 1983-11-18 | Telediffusion Fse | Systeme d'incrustation d'images en television en couleurs |
| FR2531290A1 (fr) * | 1982-07-30 | 1984-02-03 | Poirier Alain | Reseau de videocommunication entre des terminaux visiophoniques et une banque d'images |
| JPS60123978A (ja) * | 1983-12-08 | 1985-07-02 | Kubota Ltd | 色信号分離装置 |
| FR2561476B1 (fr) * | 1984-03-19 | 1986-09-05 | Production Creation Audiovisue | Dispositif d'incrustation d'images en television en couleurs |
| GB8420890D0 (en) * | 1984-08-16 | 1984-09-19 | Quantel Ltd | Video editing systems |
| FR2576733B1 (fr) * | 1985-01-28 | 1987-04-24 | Telediffusion Fse | Systeme de surimpression d'images |
| GB8513776D0 (en) * | 1985-05-31 | 1985-07-03 | Electrocraft Consultants Ltd | Separation overlay |
| US4698666A (en) * | 1985-07-12 | 1987-10-06 | The Grass Valley Group, Inc. | Video key glow and border generator |
| GB8629832D0 (en) * | 1986-12-13 | 1987-01-21 | Quantel Ltd | Video graphics systems |
| GB8928058D0 (en) * | 1989-12-12 | 1990-02-14 | Crosfield Electronics Ltd | Digital image generation |
| US5724091A (en) * | 1991-11-25 | 1998-03-03 | Actv, Inc. | Compressed digital data interactive program system |
| US7448063B2 (en) | 1991-11-25 | 2008-11-04 | Actv, Inc. | Digital interactive system for providing full interactivity with live programming events |
| US7079176B1 (en) | 1991-11-25 | 2006-07-18 | Actv, Inc. | Digital interactive system for providing full interactivity with live programming events |
| US5537141A (en) * | 1994-04-15 | 1996-07-16 | Actv, Inc. | Distance learning system providing individual television participation, audio responses and memory for every student |
| US5632007A (en) * | 1994-09-23 | 1997-05-20 | Actv, Inc. | Interactive system and method for offering expert based interactive programs |
| US5682196A (en) * | 1995-06-22 | 1997-10-28 | Actv, Inc. | Three-dimensional (3D) video presentation system providing interactive 3D presentation with personalized audio responses for multiple viewers |
| FR2741770B1 (fr) * | 1995-11-23 | 1998-01-02 | Thomson Broadcast Systems | Procede de calcul d'une cle de decoupe d'un sujet evoluant devant un fond colore et dispositif mettant en oeuvre ce procede |
| FR2741769B1 (fr) * | 1995-11-23 | 1997-12-19 | Thomson Broadcast Systems | Procede de traitement du signal constitue par un sujet evoluant devant un fond colore et dispositif mettant en oeuvre ce procede |
| US7305691B2 (en) | 2001-05-07 | 2007-12-04 | Actv, Inc. | System and method for providing targeted programming outside of the home |
| US7075899B2 (en) | 2002-05-21 | 2006-07-11 | Actv, Inc. | System and method for providing private in-band data to digital set-top boxes in a broadcast environment |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3595987A (en) * | 1969-02-20 | 1971-07-27 | Ass Motion Picture Tv Prod | Electronic composite photography |
| US3778542A (en) * | 1970-11-30 | 1973-12-11 | Technicolor | Blue screen travelling matte system |
| FR2142820B1 (US08063081-20111122-C00115.png) * | 1971-06-25 | 1975-04-18 | Ortf | |
| US4109278A (en) * | 1975-03-21 | 1978-08-22 | Sonex International Corp. | Video traveling matte system |
| US4007487A (en) * | 1975-09-25 | 1977-02-08 | The Association Of Motion Picture And Television Producers Inc. | Electronic composite photography with color control |
| US4041527A (en) * | 1976-03-15 | 1977-08-09 | The Grass Valley Group, Inc. | Video effects generator |
| JPS5340417A (en) * | 1976-09-24 | 1978-04-13 | Mitsubishi Electric Corp | Change over valve |
| CA1132704A (en) * | 1976-11-03 | 1982-09-28 | Petro Vlahos | Comprehensive electronic compositing system |
| NL7710959A (en) * | 1977-10-06 | 1978-10-31 | Philips Nv | Chromatic key signal generator for colour TV - has switch=over circuit linking second video source via controlled amplifier linked to matrix circuit |
-
1979
- 1979-02-12 FR FR7903521A patent/FR2448821A1/fr active Granted
-
1980
- 1980-02-08 EP EP80400202A patent/EP0014665B1/fr not_active Expired
- 1980-02-08 DE DE8080400202T patent/DE3062568D1/de not_active Expired
- 1980-02-12 JP JP1489680A patent/JPS55107390A/ja active Granted
- 1980-02-14 US US06/121,779 patent/US4292649A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US4292649A (en) | 1981-09-29 |
| JPH0316839B2 (US08063081-20111122-C00115.png) | 1991-03-06 |
| EP0014665B1 (fr) | 1983-04-06 |
| JPS55107390A (en) | 1980-08-18 |
| EP0014665A1 (fr) | 1980-08-20 |
| DE3062568D1 (en) | 1983-05-11 |
| FR2448821A1 (fr) | 1980-09-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |