Assignee
ALCATEL NV
NL·739 granted patents·23,804 citations·filing 1981–1999
Top patents by PatentIndex Score
739 records- 0197US5550577AVideo on demand network, including a central video server and distributed video servers with random access read/write memoriesALCATEL NV·Filed 1994·Granted Aug 27, 1996·594 cites·13 claims
- 0296US5717379ARemote monitoring systemALCATEL NV·Filed 1996·Granted Feb 10, 1998·409 cites·12 claims
- 0396US5373502AProcess, transmitter and receiver for data transmission with variable traffic volume and a control station for coordinating several such transmitters and receiversALCATEL NV·Filed 1993·Granted Dec 13, 1994·266 cites·16 claims
- 0496US4926416AMethod and facilities for hybrid packet switchingALCATEL NV·Filed 1988·Granted May 15, 1990·213 cites·9 claims
- 0595US5485504AHand-held radiotelephone with video transmission and displayALCATEL NV·Filed 1994·Granted Jan 16, 1996·328 cites·15 claims
- 0694US5550667AOptical transmitterALCATEL NV·Filed 1993·Granted Aug 27, 1996·164 cites·16 claims
- 0794US4978377AMethod of assembling a fiber optic preform from discrete preformed elementsALCATEL NV·Filed 1989·Granted Dec 18, 1990·67 cites·10 claims
- 0893US5898456ACommunication system with hierarchical server structureALCATEL NV·Filed 1996·Granted Apr 27, 1999·232 cites·14 claims
- 0991US4748689AFiber-optic distribution system for broadband signalsALCATEL NV·Filed 1986·Granted May 31, 1988·86 cites·3 claims
- 1090US5642071ATransit mixer with current mode inputALCATEL NV·Filed 1995·Granted Jun 24, 1997·160 cites·9 claims
- 1190US5546389AMethod of controlling access to a buffer and a device for temporary storage of data packets and an exchange with such a deviceALCATEL NV·Filed 1994·Granted Aug 13, 1996·191 cites·8 claims
- 1290US4718113AZero-IF receiver wih feedback loop for suppressing interfering signalsALCATEL NV·Filed 1986·Granted Jan 5, 1988·189 cites·7 claims
- 1389US5717452AInteractive control system for multiservice installations including a television program distribution server and a PABXALCATEL NV·Filed 1994·Granted Feb 10, 1998·525 cites·7 claims
- 1489US5715394AMethod of supporting the management of a communications network, and network management facility thereforALCATEL NV·Filed 1996·Granted Feb 3, 1998·303 cites·11 claims
- 1589US5510919AOptical system for transmitting a multilevel signalALCATEL NV·Filed 1994·Granted Apr 23, 1996·120 cites·14 claims
- 1689US5262593ACoaxial electrical high-frequency cableALCATEL NV·Filed 1992·Granted Nov 16, 1993·79 cites·21 claims
- 1788US5528282AVideo server for video-on-demand system with controllable memories and with pause, fast-forward and rewind functionsALCATEL NV·Filed 1994·Granted Jun 18, 1996·171 cites·10 claims
- 1888US5329425ACooling systemALCATEL NV·Filed 1992·Granted Jul 12, 1994·116 cites·3 claims
- 1988US4837768ALaser module and method of coupling an optical fiber theretoALCATEL NV·Filed 1988·Granted Jun 6, 1989·63 cites·10 claims
- 2087US5680060AMethod of and circuit arrangement for terminating a line connected to a CMOS integrated circuitALCATEL NV·Filed 1995·Granted Oct 21, 1997·81 cites·7 claims
- 2187US5627501ASignal coupler with automatic common line attenuation compensationALCATEL NV·Filed 1995·Granted May 6, 1997·145 cites·9 claims
- 2287US5422889AOffset correction circuitALCATEL NV·Filed 1993·Granted Jun 6, 1995·126 cites·11 claims
- 2387US5371625ASystem for optically transmitting digital communications over an optical fiber with dispersion at the operating wavelengthALCATEL NV·Filed 1993·Granted Dec 6, 1994·125 cites·22 claims
- 2487US5173897AMethod of restoring the correct cell sequence, particularly in an atm exchange, and output unit thereforALCATEL NV·Filed 1990·Granted Dec 22, 1992·155 cites·12 claims
- 2587US4810834ATensionproof cableALCATEL NV·Filed 1987·Granted Mar 7, 1989·47 cites·6 claims
- 2686US5896212AWavelength division multiplexing optical communication networkALCATEL NV·Filed 1998·Granted Apr 20, 1999·65 cites·2 claims
- 2786US5659322AVariable synthesized polarization active antennaALCATEL NV·Filed 1993·Granted Aug 19, 1997·76 cites·18 claims
- 2886US5510926ATransmission method and an optical link using multiplexing with applicationALCATEL NV·Filed 1995·Granted Apr 23, 1996·90 cites·6 claims
- 2986US5506723AMultistage fiber-optic amplifierALCATEL NV·Filed 1994·Granted Apr 9, 1996·60 cites·7 claims
- 3086US5319492AOptical switchALCATEL NV·Filed 1992·Granted Jun 7, 1994·91 cites·18 claims
- 3186US5299293AProtection arrangement for an optical transmitter/receiver deviceALCATEL NV·Filed 1992·Granted Mar 29, 1994·87 cites·12 claims
- 3286US5127000AResequencing system for a switching nodeALCATEL NV·Filed 1990·Granted Jun 30, 1992·139 cites·21 claims
- 3386US4699451AOptical fiber coil having juxtaposed ends in same or adjacent layers for rotation rate measuring instrumentALCATEL NV·Filed 1984·Granted Oct 13, 1987·40 cites·3 claims
- 3485US5625322AAmplifier bias control deviceALCATEL NV·Filed 1995·Granted Apr 29, 1997·69 cites·16 claims
- 3584US5815299AMethod and system for equalizing respective power levels of channels of a received optical frequency division multiplexed signalALCATEL NV·Filed 1996·Granted Sep 29, 1998·74 cites·12 claims
- 3684US5796501AWavelength division multiplexing optical communication networkALCATEL NV·Filed 1996·Granted Aug 18, 1998·63 cites·7 claims
- 3784US5793506AOptical transmission system for cable television signals and video and telecommunications signalsALCATEL NV·Filed 1996·Granted Aug 11, 1998·70 cites·7 claims
- 3884US5343463APerformance measurement system for a telecommunication path and device used thereinALCATEL NV·Filed 1992·Granted Aug 30, 1994·139 cites·16 claims
- 3984US5251053ARadio communication systemALCATEL NV·Filed 1991·Granted Oct 5, 1993·82 cites·8 claims
- 4084US5202780AOptical communication system for the subscriber areaALCATEL NV·Filed 1990·Granted Apr 13, 1993·158 cites·20 claims
- 4184US5199027ACommunication switching systemALCATEL NV·Filed 1989·Granted Mar 30, 1993·77 cites·17 claims
- 4284US5142441ACircuit board with cooling deviceALCATEL NV·Filed 1989·Granted Aug 25, 1992·54 cites·10 claims
- 4384US5054870AElectro-optical multiple connection arrangementALCATEL NV·Filed 1990·Granted Oct 8, 1991·90 cites·12 claims
- 4483US6202178B1Complementary methods for interleaving and deinterleaving data frames and corresponding forward error correcting devices in a transmitter and receiverALCATEL NV·Filed 1999·Granted Mar 13, 2001·117 cites·11 claims
- 4583US6047568AMethod of manufacturing a silica powder and use of such a powder in making an optical fiber preformALCATEL NV·Filed 1997·Granted Apr 11, 2000·33 cites·9 claims
- 4683US5732075AAssignment of a carrier frequency in an SDMA radio systemALCATEL NV·Filed 1996·Granted Mar 24, 1998·119 cites·19 claims
- 4783US5655040AMethod of forming a dispersing grating in an optical fiberALCATEL NV·Filed 1995·Granted Aug 5, 1997·67 cites·7 claims
- 4883US5553005AVideo server memory management methodALCATEL NV·Filed 1994·Granted Sep 3, 1996·56 cites·2 claims
- 4983US5497164AMultilayer radiating structure of variable directivityALCATEL NV·Filed 1994·Granted Mar 5, 1996·126 cites·12 claims
- 5083US5319667ATunable semiconductor laserALCATEL NV·Filed 1993·Granted Jun 7, 1994·49 cites·16 claims
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