Assignee
CSELT CENTRO STUDI LAB TELECOM
IT·314 granted patents·7,819 citations·filing 1974–1999
Top patents by PatentIndex Score
314 records- 0194US6108626AObject oriented audio codingCSELT CENTRO STUDI LAB TELECOM·Filed 1996·Granted Aug 22, 2000·297 cites·56 claims
- 0292US5380367AVapour generator for chemical vapour deposition systemsCSELT CENTRO STUDI LAB TELECOM·Filed 1993·Granted Jan 10, 1995·563 cites·3 claims
- 0391US4445918AProcess and apparatus for on-line dehydrogenation of fiber-drawing preformsCSELT CENTRO STUDI LAB TELECOM·Filed 1982·Granted May 1, 1984·40 cites·11 claims
- 0490US4345319ASelf-correcting, solid-state-mass-memory organized by bits and with reconfiguration capability for a stored program control systemCSELT CENTRO STUDI LAB TELECOM·Filed 1979·Granted Aug 17, 1982·81 cites·5 claims
- 0588US6229599B1Apparatus for measuring characteristics of an optical fiberCSELT CENTRO STUDI LAB TELECOM·Filed 1998·Granted May 8, 2001·136 cites·17 claims
- 0688US5673141AOptical amplifierCSELT CENTRO STUDI LAB TELECOM·Filed 1995·Granted Sep 30, 1997·89 cites·5 claims
- 0788US4320500AMethod of and system for routing in a packet-switched communication networkCSELT CENTRO STUDI LAB TELECOM·Filed 1980·Granted Mar 16, 1982·113 cites·12 claims
- 0888US4201909AData-transmission system and method using fiber-optical transmissionCSELT CENTRO STUDI LAB TELECOM·Filed 1978·Granted May 6, 1980·70 cites·9 claims
- 0987US5647035ARing network communication structure on an optical carrier and reconfigurable node for said structureCSELT CENTRO STUDI LAB TELECOM·Filed 1995·Granted Jul 8, 1997·99 cites·10 claims
- 1087US4412720AOptical system coupling a rectangular light source to a circular light receiverCSELT CENTRO STUDI LAB TELECOM·Filed 1981·Granted Nov 1, 1983·57 cites·8 claims
- 1187US4317195AMethod of and device for reducing speech-reproduction irregularities in packet-switching telecommunication systemsCSELT CENTRO STUDI LAB TELECOM·Filed 1980·Granted Feb 23, 1982·91 cites·8 claims
- 1286US4608070AProcess for manufacturing optical-fibre preforms at high deposition rateCSELT CENTRO STUDI LAB TELECOM·Filed 1984·Granted Aug 26, 1986·31 cites·2 claims
- 1386US4274708ADevices for splicing optical fibres and cablesCSELT CENTRO STUDI LAB TELECOM·Filed 1978·Granted Jun 23, 1981·65 cites·18 claims
- 1486US4059736ADual testing system for supervising duplicated telecommunication equipmentCSELT CENTRO STUDI LAB TELECOM·Filed 1976·Granted Nov 22, 1977·35 cites·10 claims
- 1585US5490136AMethod of controlling transmission on a same radio channel of variable-rate information streams in radio communication systemsCSELT CENTRO STUDI LAB TELECOM·Filed 1994·Granted Feb 6, 1996·165 cites·25 claims
- 1685US5479082ADevice for extraction and re-insertion of an optical carrier in optical communications networksCSELT CENTRO STUDI LAB TELECOM·Filed 1994·Granted Dec 26, 1995·82 cites·4 claims
- 1785US4387271ACombined telephone and data-transfer systemCSELT CENTRO STUDI LAB TELECOM·Filed 1980·Granted Jun 7, 1983·129 cites·7 claims
- 1885US4171867ADevice for and method of splicing fiber-optical cablesCSELT CENTRO STUDI LAB TELECOM·Filed 1977·Granted Oct 23, 1979·46 cites·8 claims
- 1984US4393494ATransceiver for full-duplex transmission of digital signals over a common lineCSELT CENTRO STUDI LAB TELECOM·Filed 1980·Granted Jul 12, 1983·73 cites·7 claims
- 2084US4185172AMethod of and means for detecting digitized multi frequency-coded signalsCSELT CENTRO STUDI LAB TELECOM·Filed 1978·Granted Jan 22, 1980·37 cites·10 claims
- 2184US4048572AAdaptive correction of phase errors in noncoherent demodulation of carrier asymmetrically modulated with digital signalsCSELT CENTRO STUDI LAB TELECOM·Filed 1976·Granted Sep 13, 1977·64 cites·12 claims
- 2283US6259327B1PLL having circuits for selecting optimum VCO input/output characteristicsCSELT CENTRO STUDI LAB TELECOM·Filed 1999·Granted Jul 10, 2001·64 cites·12 claims
- 2383US4030074ASystem for checking two data processors operating in parallelCSELT CENTRO STUDI LAB TELECOM·Filed 1975·Granted Jun 14, 1977·66 cites·9 claims
- 2482US4573074ACoding and decoding method and system for variable-length sequences of digital dataCSELT CENTRO STUDI LAB TELECOM·Filed 1983·Granted Feb 25, 1986·40 cites·4 claims
- 2582US4523938AMethod of and apparatus for continuously monitoring diameter variations of an optical fiber being drawnCSELT CENTRO STUDI LAB TELECOM·Filed 1982·Granted Jun 18, 1985·29 cites·4 claims
- 2682US4288872AEqualizer for the correction of digital signalsCSELT CENTRO STUDI LAB TELECOM·Filed 1980·Granted Sep 8, 1981·60 cites·7 claims
- 2782US4192972APay-telephone station with deferred collectionCSELT CENTRO STUDI LAB TELECOM·Filed 1978·Granted Mar 11, 1980·50 cites·12 claims
- 2881US5269888AMethod of fabricating integrated optical devices by means of field-assisted ion exchangeCSELT CENTRO STUDI LAB TELECOM·Filed 1991·Granted Dec 14, 1993·57 cites·3 claims
- 2981US4659354AMethod of producing silica optical fibres with reduced volume and surface defectsCSELT CENTRO STUDI LAB TELECOM·Filed 1986·Granted Apr 21, 1987·23 cites·1 claims
- 3081US4389230AProcess for improving the transmission characteristics of optical fibers drawn from preforms made by the MCVD techniqueCSELT CENTRO STUDI LAB TELECOM·Filed 1981·Granted Jun 21, 1983·27 cites·5 claims
- 3181US4034340ASystem for determining the quality of transmission of incoming digital message signalsCSELT CENTRO STUDI LAB TELECOM·Filed 1976·Granted Jul 5, 1977·56 cites·8 claims
- 3280US6122320ACircuit for motion estimation in digitized video sequence encodersCSELT CENTRO STUDI LAB TELECOM·Filed 1998·Granted Sep 19, 2000·102 cites·39 claims
- 3379US6330294B1Method of and apparatus for digital radio signal receptionCSELT CENTRO STUDI LAB TELECOM·Filed 1998·Granted Dec 11, 2001·122 cites·11 claims
- 3479US4811398AMethod of and device for speech signal coding and decoding by subband analysis and vector quantization with dynamic bit allocationCSELT CENTRO STUDI LAB TELECOM·Filed 1986·Granted Mar 7, 1989·58 cites·15 claims
- 3579US4769562ADynamic programmable logic arrays with NOR-NOR structure implemented in C-MOS technologyCSELT CENTRO STUDI LAB TELECOM·Filed 1987·Granted Sep 6, 1988·34 cites·9 claims
- 3679US4581638AMethod of and system for coding a two-dimensional data arrayCSELT CENTRO STUDI LAB TELECOM·Filed 1983·Granted Apr 8, 1986·43 cites·19 claims
- 3779US4345930AProcess and apparatus for spherically curving an end of an optical fiberCSELT CENTRO STUDI LAB TELECOM·Filed 1980·Granted Aug 24, 1982·40 cites·7 claims
- 3879US4334305AData-handling system with operatively interconnected processorsCSELT CENTRO STUDI LAB TELECOM·Filed 1980·Granted Jun 8, 1982·87 cites·6 claims
- 3979US4283788AEqualization system with preshaping filterCSELT CENTRO STUDI LAB TELECOM·Filed 1979·Granted Aug 11, 1981·35 cites·16 claims
- 4079US4131761AMethod of and means for conveying and recovering supplementary message signals superimposed upon a multilevel signal stream in a digital transmission systemCSELT CENTRO STUDI LAB TELECOM·Filed 1977·Granted Dec 26, 1978·41 cites·10 claims
- 4179US4049956AMethod of and means for in-line testing of a memory operating in time-division modeCSELT CENTRO STUDI LAB TELECOM·Filed 1976·Granted Sep 20, 1977·32 cites·12 claims
- 4278US5991486AActive single mode optical fibres and method for their fabricationCSELT CENTRO STUDI LAB TELECOM·Filed 1997·Granted Nov 23, 1999·28 cites·9 claims
- 4378US5263036APump system for waveguide lasers or amplifiersCSELT CENTRO STUDI LAB TELECOM·Filed 1992·Granted Nov 16, 1993·42 cites·8 claims
- 4477US4335446ATerminal equipment for data-transmission network including digitally operating modemCSELT CENTRO STUDI LAB TELECOM·Filed 1979·Granted Jun 15, 1982·38 cites·7 claims
- 4576US4366535AModular signal-processing systemCSELT CENTRO STUDI LAB TELECOM·Filed 1980·Granted Dec 28, 1982·64 cites·7 claims
- 4675US5008640ADielectric-loaded cavity resonatorCSELT CENTRO STUDI LAB TELECOM·Filed 1989·Granted Apr 16, 1991·22 cites·3 claims
- 4775US4516166ADevice for the automatic computer-control of the operation of a plurality of videorecordersCSELT CENTRO STUDI LAB TELECOM·Filed 1982·Granted May 7, 1985·30 cites·8 claims
- 4875US4267590AFiber-optical data-communication system using carriers of different wavelengthsCSELT CENTRO STUDI LAB TELECOM·Filed 1979·Granted May 12, 1981·40 cites·11 claims
- 4975US4162371AMethod of and means for establishing two-way communication between two stations interconnected by a single signal linkCSELT CENTRO STUDI LAB TELECOM·Filed 1978·Granted Jul 24, 1979·27 cites·13 claims
- 5074US5589786AHigh-speed CMOS driver for optical sourcesCSELT CENTRO STUDI LAB TELECOM·Filed 1995·Granted Dec 31, 1996·44 cites·6 claims
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