Assignee
MATRA COMMUNICATION
FR·41 granted patents·1,659 citations·filing 1984–1998
Top patents by PatentIndex Score
41 records- 0195USD408397STelephoneMATRA COMMUNICATION·Filed 1997·Granted Apr 20, 1999·62 cites·1 claims
- 0293US5901349AMixer device with image frequency rejectionMATRA COMMUNICATION·Filed 1996·Granted May 4, 1999·182 cites·15 claims
- 0391US5509028ARadio transmission method using repeater stations with spectrum reversalMATRA COMMUNICATION·Filed 1994·Granted Apr 16, 1996·135 cites·5 claims
- 0490US5448600AMethod for selecting propagation paths retained for receiving messages transmitted by CDMA radiocommunicationMATRA COMMUNICATION·Filed 1994·Granted Sep 5, 1995·133 cites·6 claims
- 0589US5128925AProcess for the pseudo-synchronization of a time multiplexing communication network and uses thereofMATRA COMMUNICATION·Filed 1990·Granted Jul 7, 1992·112 cites·5 claims
- 0687US5905760AMethod of correcting nonlinearities of an amplifier, and radio transmitter employing a method of this typeMATRA COMMUNICATION·Filed 1997·Granted May 18, 1999·82 cites·8 claims
- 0787US5280479ADevice for insertion of digital packets in a transmission channelMATRA COMMUNICATION·Filed 1992·Granted Jan 18, 1994·113 cites·8 claims
- 0883USD377489SPortable radiotelephoneMATRA COMMUNICATION·Filed 1996·Granted Jan 21, 1997·27 cites·1 claims
- 0983USD324682STelephone setMATRA COMMUNICATION·Filed 1990·Granted Mar 17, 1992·26 cites·1 claims
- 1078US5398247ATDMA radio-communication methodMATRA COMMUNICATION·Filed 1993·Granted Mar 14, 1995·53 cites·6 claims
- 1178USD311918STelephone setMATRA COMMUNICATION·Filed 1989·Granted Nov 6, 1990·17 cites·1 claims
- 1276US5544167ATransmission method for CDMA radiotelephone communications, and apparatuses for implementing such methodMATRA COMMUNICATION·Filed 1994·Granted Aug 6, 1996·47 cites·25 claims
- 1372US5889857AAcoustical echo canceller with sub-band filteringMATRA COMMUNICATION·Filed 1995·Granted Mar 30, 1999·71 cites·10 claims
- 1471US5903611AMethod of correcting nonlinearities of an amplifier, and radio transmitter employing a method of this typeMATRA COMMUNICATION·Filed 1997·Granted May 11, 1999·89 cites·14 claims
- 1571US5818866AMethod of selecting propagation delays retained for receiving messages transmitted by spread spectrum radio communicationMATRA COMMUNICATION·Filed 1996·Granted Oct 6, 1998·59 cites·7 claims
- 1666USD338874SCabinet for PBX circuitsMATRA COMMUNICATION·Filed 1992·Granted Aug 31, 1993·12 cites·1 claims
- 1765US6052576ARadiocommunications equipment with a security calls mode, and extension unit forming part of such equipmentMATRA COMMUNICATION·Filed 1997·Granted Apr 18, 2000·63 cites·10 claims
- 1862USD292403SCombination telephone and computer terminal for telecommunication systemMATRA COMMUNICATION·Filed 1984·Granted Oct 20, 1987·8 cites·1 claims
- 1960US5974377AAnalysis-by-synthesis speech coding method with open-loop and closed-loop search of a long-term prediction delayMATRA COMMUNICATION·Filed 1996·Granted Oct 26, 1999·49 cites·18 claims
- 2059US5544155AMethod of synchronization for code division multiple access radiotelephone communicationsMATRA COMMUNICATION·Filed 1994·Granted Aug 6, 1996·59 cites·13 claims
- 2159USD331759STelephone setMATRA COMMUNICATION·Filed 1991·Granted Dec 15, 1992·9 cites·1 claims
- 2257USD330377SHandset telephoneMATRA COMMUNICATION·Filed 1990·Granted Oct 20, 1992·8 cites·1 claims
- 2356US6108413AEcho cancellation method and echo canceller implementing such a processMATRA COMMUNICATION·Filed 1998·Granted Aug 22, 2000·30 cites·22 claims
- 2455US5850403AProcess of selectively protecting information bits against transmission errorsMATRA COMMUNICATION·Filed 1996·Granted Dec 15, 1998·25 cites·16 claims
- 2555US5790942AFrequency modulation radio transmission deviceMATRA COMMUNICATION·Filed 1996·Granted Aug 4, 1998·24 cites·8 claims
- 2654USD423492SPortable radiotelephoneMATRA COMMUNICATION·Filed 1997·Granted Apr 25, 2000·8 cites·1 claims
- 2750US5751188AFM demodulator using a switched capacitor phase shifterMATRA COMMUNICATION·Filed 1996·Granted May 12, 1998·16 cites·7 claims
- 2847US5642465ALinear prediction speech coding method using spectral energy for quantization mode selectionMATRA COMMUNICATION·Filed 1995·Granted Jun 24, 1997·30 cites·13 claims
- 2942US5899968ASpeech coding method using synthesis analysis using iterative calculation of excitation weightsMATRA COMMUNICATION·Filed 1996·Granted May 4, 1999·23 cites·24 claims
- 3041USD331758STelephone setMATRA COMMUNICATION·Filed 1991·Granted Dec 15, 1992·4 cites·1 claims
- 3140US5412724AMethod of making up a digital multiplex, and apparatus implementing said methodMATRA COMMUNICATION·Filed 1993·Granted May 2, 1995·8 cites·9 claims
- 3239US4747073ATerminal for communication with a remote data processing systemMATRA COMMUNICATION·Filed 1985·Granted May 24, 1988·13 cites·6 claims
- 3338US5448286AProcess and terminal for video telephony permitting acceptance, and possibly calling, by a telephone setMATRA COMMUNICATION·Filed 1994·Granted Sep 5, 1995·14 cites·5 claims
- 3437US5347315AModular encoder for generating a digital multiplex signal and decoder for processing such a signalMATRA COMMUNICATION·Filed 1993·Granted Sep 13, 1994·6 cites·9 claims
- 3536US5640125ADigital PSK-type demodulator having clock recovery before carrier recoveryMATRA COMMUNICATION·Filed 1994·Granted Jun 17, 1997·9 cites·9 claims
- 3630US5692103AMethod of speech recognition with learningMATRA COMMUNICATION·Filed 1994·Granted Nov 25, 1997·6 cites·15 claims
- 3729US5917861AMethod of digital demodulationMATRA COMMUNICATION·Filed 1997·Granted Jun 29, 1999·7 cites·9 claims
- 3826US5644679AMethod and device for preprocessing an acoustic signal upstream of a speech coderMATRA COMMUNICATION·Filed 1995·Granted Jul 1, 1997·3 cites·8 claims
- 3926US5323455ARinger circuit, particularly for a telephone setMATRA COMMUNICATION·Filed 1993·Granted Jun 21, 1994·3 cites·3 claims
- 4026US5187807ABase station for a radiotelephone communication system with switchig members for connecting link lines to transmitter membersMATRA COMMUNICATION·Filed 1990·Granted Feb 16, 1993·10 cites·5 claims
- 4121US5059817ANarrow pulse generatorMATRA COMMUNICATION·Filed 1990·Granted Oct 22, 1991·4 cites·1 claims
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