Comsat Corp
Comsat CorActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4004098A | Satellite on-board switching system with satellite-to-satel… | Expired / Lapsed | 1975-07-10 | 1977-01-18 | 10 | Details |
| US3997729A | Pseudo-random sequencing for speech predictive encoding com… | Expired / Lapsed | 1975-07-25 | 1976-12-14 | 7 | Details |
| US3927268A | Speech predictive encoding communication system | Expired / Lapsed | 1973-02-28 | 1975-12-16 | 19 | Details |
| US3904453A | Fabrication of silicon solar cell with anti reflection film | Expired / Lapsed | 1973-08-22 | 1975-09-09 | 9 | Details |
| US3818453A | Tdma satellite communications system | Expired / Lapsed | 1971-08-11 | 1974-06-18 | 12 | Details |
| US3795763A | Digital television transmission system | Expired / Lapsed | 1972-04-18 | 1974-03-05 | 7 | Details |
| US3707680A | Digital differential pulse code modulation system | Expired / Lapsed | 1970-05-20 | 1972-12-26 | 20 | Details |
| US3644678A | Channel reallocation system and method | Expired / Lapsed | 1969-03-21 | 1972-02-22 | 6 | Details |