Assignee
DIGITAL COMMUNICATIONS CORP
14 granted patents·658 citations·filing 1975–1980
Top patents by PatentIndex Score
14 records- 0196US4250458ABaseband DC offset detector and control circuit for DC coupled digital demodulatorDIGITAL COMMUNICATIONS CORP·Filed 1979·Granted Feb 10, 1981·160 cites·6 claims
- 0289US4325085AMethod and apparatus for adaptive facsimile compression using a two dimensional maximum likelihood predictorDIGITAL COMMUNICATIONS CORP·Filed 1980·Granted Apr 13, 1982·98 cites·25 claims
- 0388US4305150AOn-line channel quality monitor for a communication channelDIGITAL COMMUNICATIONS CORP·Filed 1979·Granted Dec 8, 1981·59 cites·20 claims
- 0486US4063038AError coding communication terminal interfaceDIGITAL COMMUNICATIONS CORP·Filed 1975·Granted Dec 13, 1977·51 cites·12 claims
- 0586US4002845AFrame synchronizerDIGITAL COMMUNICATIONS CORP·Filed 1975·Granted Jan 11, 1977·41 cites·17 claims
- 0686US3940558ARemote master/slave station clockDIGITAL COMMUNICATIONS CORP·Filed 1975·Granted Feb 24, 1976·44 cites·12 claims
- 0784US4224473ATDMA Multiplexer-demultiplexer with multiple portsDIGITAL COMMUNICATIONS CORP·Filed 1978·Granted Sep 23, 1980·36 cites·12 claims
- 0883US4054753ADouble sync burst TDMA systemDIGITAL COMMUNICATIONS CORP·Filed 1975·Granted Oct 18, 1977·45 cites·26 claims
- 0980US4000476APhase locked loop with circuit for preventing sidelockDIGITAL COMMUNICATIONS CORP·Filed 1975·Granted Dec 28, 1976·41 cites·22 claims
- 1078US4061979APhase locked loop with pre-set and squelchDIGITAL COMMUNICATIONS CORP·Filed 1975·Granted Dec 6, 1977·27 cites·9 claims
- 1171US4068104AInterface for in band SCPC supervisory and signalling systemDIGITAL COMMUNICATIONS CORP·Filed 1976·Granted Jan 10, 1978·16 cites·23 claims
- 1263US4174505ADirectional PSK modulation and demodulation systemDIGITAL COMMUNICATIONS CORP·Filed 1978·Granted Nov 13, 1979·17 cites·18 claims
- 1358US4305047AFeedback circuit for controlling the peak optical output power of an injection laserDIGITAL COMMUNICATIONS CORP·Filed 1979·Granted Dec 8, 1981·11 cites·6 claims
- 1458US4206420APhase locked loop with automatic sweepDIGITAL COMMUNICATIONS CORP·Filed 1978·Granted Jun 3, 1980·12 cites·3 claims
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