Assignee
COMMUNICATIONS PATENTS LTD
23 granted patents·847 citations·filing 1974–1985
Top patents by PatentIndex Score
23 records- 0196US4302771AWire broadcasting system with subscriber controlled switched program selectionCOMMUNICATIONS PATENTS LTD·Filed 1980·Granted Nov 24, 1981·173 cites·8 claims
- 0295US4538174ATwo-way subscriber TV system with multiple subscriber's setsCOMMUNICATIONS PATENTS LTD·Filed 1983·Granted Aug 27, 1985·282 cites·19 claims
- 0392US4090220AWired broadcasting systems for processing coded data representative of subscriber station conditionsCOMMUNICATIONS PATENTS LTD·Filed 1976·Granted May 16, 1978·73 cites·13 claims
- 0490US4135202ABroadcasting systems with fibre optic transmission linesCOMMUNICATIONS PATENTS LTD·Filed 1976·Granted Jan 16, 1979·124 cites·5 claims
- 0586US4064460ACoaxial wired broadcasting system with tone responsive program selectorsCOMMUNICATIONS PATENTS LTD·Filed 1976·Granted Dec 20, 1977·36 cites·5 claims
- 0683US4213103ACircuit for detecting and controlling simultaneous conduction of two switches connected in seriesCOMMUNICATIONS PATENTS LTD·Filed 1978·Granted Jul 15, 1980·26 cites·14 claims
- 0768US4162455AAmplifier systemsCOMMUNICATIONS PATENTS LTD·Filed 1978·Granted Jul 24, 1979·13 cites·5 claims
- 0867US4386365ACombined wired broadcasting and viewphone systemCOMMUNICATIONS PATENTS LTD·Filed 1980·Granted May 31, 1983·19 cites·7 claims
- 0963US4246608AMethod for measuring crossview between two channels in a wired television broadcasting systemCOMMUNICATIONS PATENTS LTD·Filed 1978·Granted Jan 20, 1981·14 cites·9 claims
- 1056US4717229ABi-directional optical fiber couplerCOMMUNICATIONS PATENTS LTD·Filed 1985·Granted Jan 5, 1988·22 cites·3 claims
- 1153US4376274APrinted circuit transformersCOMMUNICATIONS PATENTS LTD·Filed 1981·Granted Mar 8, 1983·20 cites·2 claims
- 1248US3941919AMethod and apparatus for effecting digital signalling over television signal channelsCOMMUNICATIONS PATENTS LTD·Filed 1974·Granted Mar 2, 1976·6 cites·11 claims
- 1339US4398214AWired television broadcasting systemCOMMUNICATIONS PATENTS LTD·Filed 1981·Granted Aug 9, 1983·5 cites·6 claims
- 1438US4612519ASwitch assembly and circuitCOMMUNICATIONS PATENTS LTD·Filed 1985·Granted Sep 16, 1986·8 cites·9 claims
- 1538US4075422AAutomatic page selectorsCOMMUNICATIONS PATENTS LTD·Filed 1976·Granted Feb 21, 1978·5 cites·5 claims
- 1636US4282528APlural antennas having a sleeve dipoleCOMMUNICATIONS PATENTS LTD·Filed 1979·Granted Aug 4, 1981·8 cites·9 claims
- 1734US4257123ADevice for monitoring the performance of a transmitterCOMMUNICATIONS PATENTS LTD·Filed 1979·Granted Mar 17, 1981·7 cites·5 claims
- 1831US4058770ASolid state subscriber selection switches for wired broadcasting systemsCOMMUNICATIONS PATENTS LTD·Filed 1975·Granted Nov 15, 1977·1 cites·3 claims
- 1930US4180748AElectronic solid state switching deviceCOMMUNICATIONS PATENTS LTD·Filed 1977·Granted Dec 25, 1979·1 cites·5 claims
- 2030US4007424ATransistor switches for selecting program signals in a wired broadcasting systemCOMMUNICATIONS PATENTS LTD·Filed 1975·Granted Feb 8, 1977·1 cites·5 claims
- 2129US4153847ALogic circuitsCOMMUNICATIONS PATENTS LTD·Filed 1977·Granted May 8, 1979·0 cites·6 claims
- 2229US4013963AWired broadcasting systemsCOMMUNICATIONS PATENTS LTD·Filed 1975·Granted Mar 22, 1977·0 cites·4 claims
- 2328US4037153ADigital metersCOMMUNICATIONS PATENTS LTD·Filed 1975·Granted Jul 19, 1977·3 cites·11 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →