Quantel Ltd
Quantel LtActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4829455A | Graphics system for video and printed images | Expired / Lapsed | 1987-03-26 | 1989-05-09 | 23 | Details |
| US4667221A | Video editing systems with allowable range for key signal s… | Expired / Lapsed | 1985-07-05 | 1987-05-19 | 13 | Details |
| US4633416A | Video image creation system which simulates drafting tool | Expired / Lapsed | 1985-07-29 | 1986-12-30 | 41 | Details |
| US4514818A | Video image creation system which simulates drafting tool | Expired / Lapsed | 1981-12-01 | 1985-04-30 | 22 | Details |
| US4494140A | T.V. apparatus for movement control | Expired / Lapsed | 1982-01-19 | 1985-01-15 | 18 | Details |
| US4286291A | Digital video processor | Expired / Lapsed | 1980-03-10 | 1981-08-25 | 14 | Details |
| US4240101A | Television standards conversion | Expired / Lapsed | 1979-02-27 | 1980-12-16 | 33 | Details |
| US4163249A | Picture processing system for television | Expired / Lapsed | 1977-10-12 | 1979-07-31 | 22 | Details |
| US4148070A | Video processing system | Expired / Lapsed | 1977-01-31 | 1979-04-03 | 13 | Details |