Communications Patents Limited
Patent Applications and Registrations
Patent applications and USPTO patent grants for Communications Patents Limited.The latest application filed is for "bi-directional optical fiber coupler".
- Communications Patents Limited - London GB2
- Communications Patents Limited - Kingston-upon-Thames GB
- Communications Patents Limited - N/A
| Patent | Date |
|---|---|
| Bi-directional optical fiber coupler Grant 4,717,229 - Cutler January 5, 1 | 1988-01-05 |
| Switch assembly and circuit Grant 4,612,519 - Gargini , et al. September 16, 1 | 1986-09-16 |
| Two-way subscriber TV system with multiple subscriber's sets Grant 4,538,174 - Gargini , et al. August 27, 1 | 1985-08-27 |
| Wired television broadcasting system Grant 4,398,214 - Gargini August 9, 1 | 1983-08-09 |
| Combined wired broadcasting and viewphone system Grant 4,386,365 - Gargini May 31, 1 | 1983-05-31 |
| Printed circuit transformers Grant 4,376,274 - Smart March 8, 1 | 1983-03-08 |
| Wire broadcasting system with subscriber controlled switched program selection Grant 4,302,771 - Gargini November 24, 1 | 1981-11-24 |
| Device for monitoring the performance of a transmitter Grant 4,257,123 - Birt , et al. March 17, 1 | 1981-03-17 |
| Method for measuring crossview between two channels in a wired television broadcasting system Grant 4,246,608 - Baker January 20, 1 | 1981-01-20 |
| Circuit for detecting and controlling simultaneous conduction of two switches connected in series Grant 4,213,103 - Birt July 15, 1 | 1980-07-15 |
| Electronic solid state switching device Grant 4,180,748 - Gargini December 25, 1 | 1979-12-25 |
| Broadcasting systems with fibre optic transmission lines Grant 4,135,202 - Cutler January 16, 1 | 1979-01-16 |
| Wired broadcasting systems for processing coded data representative of subscriber station conditions Grant 4,090,220 - Gargini May 16, 1 | 1978-05-16 |
| Coaxial wired broadcasting system with tone responsive program selectors Grant 4,064,460 - Gargini December 20, 1 | 1977-12-20 |
| Digital meters Grant 4,037,153 - Kalanit July 19, 1 | 1977-07-19 |
| Transistor switches for selecting program signals in a wired broadcasting system Grant 4,007,424 - Gargini February 8, 1 | 1977-02-08 |
| Method and apparatus for effecting digital signalling over television signal channels Grant 3,941,919 - Baker March 2, 1 | 1976-03-02 |
| Wired broadcasting systems Grant 3,922,482 - Gabriel , et al. November 25, 1 | 1975-11-25 |
| Wired broadcasting systems Grant 3,920,906 - Gargini November 18, 1 | 1975-11-18 |
| Wired broadcasting systems Grant 3,898,374 - Gargini August 5, 1 | 1975-08-05 |
| Wired Broadcasting Systems Grant 3,835,244 - Smart September 10, 1 | 1974-09-10 |
| Wired Broadcasting Systems Grant 3,801,735 - Gabriel April 2, 1 | 1974-04-02 |
| Wired Broadcasting Systems Grant 3,736,374 - Gargini * May 29, 1 | 1973-05-29 |
| Wired Broadcasting Systems Grant 3,693,090 - Gabriel September 19, 1 | 1972-09-19 |
| Wired Broadcasting Systems Grant 3,665,311 - Gargini May 23, 1 | 1972-05-23 |
| Wired Broadcasting Systems Grant 3,594,496 - July 20, 1 | 1971-07-20 |
| Wired Broadcasting Systems And Apparatus Therefor Grant 3,566,020 - February 23, 1 | 1971-02-23 |
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