FR2464606B1 - - Google Patents
Info
- Publication number
- FR2464606B1 FR2464606B1 FR8019314A FR8019314A FR2464606B1 FR 2464606 B1 FR2464606 B1 FR 2464606B1 FR 8019314 A FR8019314 A FR 8019314A FR 8019314 A FR8019314 A FR 8019314A FR 2464606 B1 FR2464606 B1 FR 2464606B1
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US7195679A | 1979-09-04 | 1979-09-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2464606A1 FR2464606A1 (en) | 1981-03-06 |
| FR2464606B1 true FR2464606B1 (en) | 1983-12-23 |
Family
ID=22104655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8019314A Granted FR2464606A1 (en) | 1979-09-04 | 1980-09-03 | IMAGE CUTTING SYSTEM FOR COLOR TELEVISION |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS604638B2 (en) |
| CA (1) | CA1165433A (en) |
| DE (1) | DE3032629C2 (en) |
| FR (1) | FR2464606A1 (en) |
| GB (1) | GB2059219B (en) |
| NL (1) | NL8004868A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408221A (en) * | 1981-09-22 | 1983-10-04 | Mccoy Reginald F H | Television chroma-key systems |
| DE3382464D1 (en) * | 1983-06-13 | 1992-01-02 | Ultimatte Corp | COLOR IMAGE COMPOSITION WITH AUTOMATIC CODED SIGNAL. |
| JPS6266791A (en) * | 1985-09-16 | 1987-03-26 | ザ・グラス・バレ−・グル−プ・インコ−ポレイテツド | Chroma-key unit |
| US4947255A (en) * | 1988-09-19 | 1990-08-07 | The Grass Valley Group, Inc. | Video luminance self keyer |
| GB9109999D0 (en) * | 1991-05-09 | 1991-07-03 | Quantel Ltd | Improvements in or relating to keying systems and methods for television image processing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3778542A (en) * | 1970-11-30 | 1973-12-11 | Technicolor | Blue screen travelling matte system |
| NL7509871A (en) * | 1975-08-20 | 1977-02-22 | Philips Nv | COLOR TV CHROMA KEY SIGNAL GENERATOR. |
| US4041527A (en) * | 1976-03-15 | 1977-08-09 | The Grass Valley Group, Inc. | Video effects generator |
-
1980
- 1980-08-06 CA CA000357703A patent/CA1165433A/en not_active Expired
- 1980-08-28 GB GB8027833A patent/GB2059219B/en not_active Expired
- 1980-08-28 JP JP11898380A patent/JPS604638B2/en not_active Expired
- 1980-08-28 NL NL8004868A patent/NL8004868A/en not_active Application Discontinuation
- 1980-08-29 DE DE19803032629 patent/DE3032629C2/en not_active Expired
- 1980-09-03 FR FR8019314A patent/FR2464606A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3032629C2 (en) | 1982-09-23 |
| CA1165433A (en) | 1984-04-10 |
| GB2059219B (en) | 1984-05-16 |
| GB2059219A (en) | 1981-04-15 |
| DE3032629A1 (en) | 1981-03-26 |
| JPS604638B2 (en) | 1985-02-05 |
| JPS5637786A (en) | 1981-04-11 |
| NL8004868A (en) | 1981-03-06 |
| FR2464606A1 (en) | 1981-03-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |