Assignee
RACAL DATA COMMUNICATIONS INC
US·74 granted patents·4,641 citations·filing 1981–1991
Top patents by PatentIndex Score
74 records- 0197US5159685AExpert system for communications networkRACAL DATA COMMUNICATIONS INC·Filed 1989·Granted Oct 27, 1992·274 cites·19 claims
- 0296US4817865AVentilation system for modular electronic housingRACAL DATA COMMUNICATIONS INC·Filed 1988·Granted Apr 4, 1989·115 cites·10 claims
- 0393US4797898AMethod and apparatus for equalization of data transmission systemRACAL DATA COMMUNICATIONS INC·Filed 1986·Granted Jan 10, 1989·171 cites·17 claims
- 0493US4700341AStochastic time division multiplexingRACAL DATA COMMUNICATIONS INC·Filed 1985·Granted Oct 13, 1987·128 cites·14 claims
- 0593US4652703ADigital voice transmission having improved echo suppressionRACAL DATA COMMUNICATIONS INC·Filed 1983·Granted Mar 24, 1987·124 cites·3 claims
- 0692US5177739AMultiport - multipoint digital data serviceRACAL DATA COMMUNICATIONS INC·Filed 1990·Granted Jan 5, 1993·135 cites·40 claims
- 0792US5063523ANetwork management system with event rule handlingRACAL DATA COMMUNICATIONS INC·Filed 1989·Granted Nov 5, 1991·284 cites·16 claims
- 0892US4937844AModem with data compression selected constellationRACAL DATA COMMUNICATIONS INC·Filed 1988·Granted Jun 26, 1990·129 cites·18 claims
- 0992US4891805AMultiplexer with dynamic bandwidth allocationRACAL DATA COMMUNICATIONS INC·Filed 1988·Granted Jan 2, 1990·96 cites·14 claims
- 1092US4858070AModular expandable housing arrangement for electronic apparatusRACAL DATA COMMUNICATIONS INC·Filed 1987·Granted Aug 15, 1989·101 cites·18 claims
- 1192US4805215AAdaptive echo canceller with sparse dynamically positioned tapsRACAL DATA COMMUNICATIONS INC·Filed 1986·Granted Feb 14, 1989·128 cites·20 claims
- 1292US4385384AModem diagnostic and control systemRACAL DATA COMMUNICATIONS INC·Filed 1981·Granted May 24, 1983·250 cites·74 claims
- 1391US4998243AISDN terminal adapter with teleconference provisionRACAL DATA COMMUNICATIONS INC·Filed 1989·Granted Mar 5, 1991·115 cites·7 claims
- 1490US4748626AViterbi decoder with reduced number of data move operationsRACAL DATA COMMUNICATIONS INC·Filed 1987·Granted May 31, 1988·81 cites·22 claims
- 1588US4891806AConstellation multiplexed inband secondary channel for voiceband modemRACAL DATA COMMUNICATIONS INC·Filed 1987·Granted Jan 2, 1990·154 cites·69 claims
- 1688US4601044ACarrier-phase adjustment using absolute phase detectorRACAL DATA COMMUNICATIONS INC·Filed 1983·Granted Jul 15, 1986·79 cites·26 claims
- 1788US4434322ACoded data transmission systemRACAL DATA COMMUNICATIONS INC·Filed 1981·Granted Feb 28, 1984·64 cites·40 claims
- 1887US4652969ASecure universal housing arrangement for enclosing electronic circuitsRACAL DATA COMMUNICATIONS INC·Filed 1985·Granted Mar 24, 1987·84 cites·11 claims
- 1987US4646061AData communication with modified Huffman codingRACAL DATA COMMUNICATIONS INC·Filed 1985·Granted Feb 24, 1987·111 cites·5 claims
- 2086US4611342ADigital voice compression having a digitally controlled AGC circuit and means for including the true gain in the compressed dataRACAL DATA COMMUNICATIONS INC·Filed 1983·Granted Sep 9, 1986·42 cites·20 claims
- 2185US5119403ASuperframesRACAL DATA COMMUNICATIONS INC·Filed 1991·Granted Jun 2, 1992·133 cites·49 claims
- 2285US4780883AData modem with adaptive synchronized speed changeRACAL DATA COMMUNICATIONS INC·Filed 1986·Granted Oct 25, 1988·108 cites·16 claims
- 2385US4641302AHigh speed packet switching arrangementRACAL DATA COMMUNICATIONS INC·Filed 1985·Granted Feb 3, 1987·79 cites·9 claims
- 2483US4924456AHigh speed modemRACAL DATA COMMUNICATIONS INC·Filed 1988·Granted May 8, 1990·89 cites·6 claims
- 2583US4730313AAccess circuit diagnostics for integrated services digital networkRACAL DATA COMMUNICATIONS INC·Filed 1986·Granted Mar 8, 1988·65 cites·23 claims
- 2682US4823382AEcho canceller with dynamically positioned adaptive filter tapsRACAL DATA COMMUNICATIONS INC·Filed 1986·Granted Apr 18, 1989·65 cites·19 claims
- 2782US4609788ADigital voice transmission having improved echo suppressionRACAL DATA COMMUNICATIONS INC·Filed 1983·Granted Sep 2, 1986·48 cites·2 claims
- 2881US5063303ASoft start circuitRACAL DATA COMMUNICATIONS INC·Filed 1991·Granted Nov 5, 1991·39 cites·10 claims
- 2981US4821265ANode architecture for communication networksRACAL DATA COMMUNICATIONS INC·Filed 1987·Granted Apr 11, 1989·55 cites·28 claims
- 3079US4760598ACoded data transmission systemRACAL DATA COMMUNICATIONS INC·Filed 1983·Granted Jul 26, 1988·34 cites·27 claims
- 3179US4700175AData communication with modified Huffman codingRACAL DATA COMMUNICATIONS INC·Filed 1986·Granted Oct 13, 1987·65 cites·2 claims
- 3278US4965804AKey management for encrypted packet based networksRACAL DATA COMMUNICATIONS INC·Filed 1989·Granted Oct 23, 1990·67 cites·11 claims
- 3378US4935963AMethod and apparatus for processing speech signalsRACAL DATA COMMUNICATIONS INC·Filed 1989·Granted Jun 19, 1990·73 cites·8 claims
- 3477US4707829ACSMA-CD with channel captureRACAL DATA COMMUNICATIONS INC·Filed 1986·Granted Nov 17, 1987·63 cites·8 claims
- 3577US4585122ASecure housing arrangement for electronic apparatusRACAL DATA COMMUNICATIONS INC·Filed 1985·Granted Apr 29, 1986·46 cites·13 claims
- 3676US4998244AHigh speed module interconnection busRACAL DATA COMMUNICATIONS INC·Filed 1989·Granted Mar 5, 1991·49 cites·12 claims
- 3776US4755992ATransparent packet access over d-channel of ISDNRACAL DATA COMMUNICATIONS INC·Filed 1986·Granted Jul 5, 1988·47 cites·6 claims
- 3875US4800518ADifferential correlator circuitRACAL DATA COMMUNICATIONS INC·Filed 1985·Granted Jan 24, 1989·30 cites·5 claims
- 3972US4893305AInband dynamic port allocationRACAL DATA COMMUNICATIONS INC·Filed 1988·Granted Jan 9, 1990·43 cites·20 claims
- 4069US4949338AArbitration in multiprocessor communication nodeRACAL DATA COMMUNICATIONS INC·Filed 1988·Granted Aug 14, 1990·30 cites·10 claims
- 4169US4761784AModem and method using multidimensional coded modulationRACAL DATA COMMUNICATIONS INC·Filed 1987·Granted Aug 2, 1988·40 cites·53 claims
- 4269US4654708ADigital video sync detectionRACAL DATA COMMUNICATIONS INC·Filed 1983·Granted Mar 31, 1987·18 cites·12 claims
- 4369US4646320AAutomatic digital strapping apparatus for data modemsRACAL DATA COMMUNICATIONS INC·Filed 1985·Granted Feb 24, 1987·37 cites·2 claims
- 4468US4916692ATDM bus controllerRACAL DATA COMMUNICATIONS INC·Filed 1988·Granted Apr 10, 1990·39 cites·39 claims
- 4568US4811342AHigh speed analog echo cancellerRACAL DATA COMMUNICATIONS INC·Filed 1985·Granted Mar 7, 1989·34 cites·2 claims
- 4668US4771417AHigh speed modemRACAL DATA COMMUNICATIONS INC·Filed 1986·Granted Sep 13, 1988·40 cites·9 claims
- 4768US4539689AFast learn digital adaptive equalizerRACAL DATA COMMUNICATIONS INC·Filed 1983·Granted Sep 3, 1985·26 cites·101 claims
- 4866US4916610AMultilanguage software integration through preprocessingRACAL DATA COMMUNICATIONS INC·Filed 1988·Granted Apr 10, 1990·34 cites·11 claims
- 4966US4654859AFrequency synthesizer for frequency hopping communication systemRACAL DATA COMMUNICATIONS INC·Filed 1986·Granted Mar 31, 1987·31 cites·13 claims
- 5066US4583236AModified absolute phase detectorRACAL DATA COMMUNICATIONS INC·Filed 1985·Granted Apr 15, 1986·35 cites·17 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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