CSELT - CENTRO STUDI E LABORATORI TELECOMUNICAZIONI S.P.A.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G10L SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION 592
 
  
 
H04J MULTIPLEX COMMUNICATION 4121
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 4281
 
  
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 357
 
  
 
H03D DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER 346
 
  
 
H03L AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES 377
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 2445
 
  
 
G06T IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 2133
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 2240
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6760395 Device for timing reconstruction of a data channel transported on a packet network and its processJun 20, 00Jul 06, 04[H04L, H03D, H04J]
6665643 Method of and apparatus for animation, driven by an audio signal, of a synthesized model of a human faceSep 28, 99Dec 16, 03[G06T, G10L]
6625228 Method of and a device for digital signal transmissionDec 30, 99Sep 23, 03[H04L]
6571313 Memory for information search through prefix analysis, in particular for building routing tables for nodes of high speed communication networks, such as the internet networkOct 20, 99May 27, 03[G06F]
6532011 Method of creating 3-D facial models starting from face imagesSep 29, 99Mar 11, 03[G06T]
6292039 Integrated circuit phase-locked loop charge pumpJun 20, 00Sep 18, 01[H03C]
6259327 PLL having circuits for selecting optimum VCO input/output characteristicsNov 12, 99Jul 10, 01[H03L]
6255881 High tunability CMOS delay elementNov 17, 99Jul 03, 01[H03K]
6229599 Apparatus for measuring characteristics of an optical fiberJul 26, 99May 08, 01[G01N]
6194909 Constructive module of an electronic telecommunications equipment, with an interface towards a testing and diagnosing systemAug 05, 98Feb 27, 01[G01R]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6826185 Encoded audio-video streams remultiplexing equipmentExpiredMay 12, 00Nov 30, 04[H04L]
6307980 Method and apparatus for introducing reference impairments into video signalsExpiredNov 24, 98Oct 23, 01[G06K]
6218886 Device for compensating process and operating parameter variations in CMOS integrated circuitsExpiredDec 01, 99Apr 17, 01[H03K]
5790058 Serializing-parallelizing circuit for high speed digital signalsExpiredSep 26, 96Aug 04, 98[H03M]
5686849 Circuit for clock signal extraction from a high speed data streamExpiredFeb 22, 96Nov 11, 97[H03L]
5663962 Method of multiplexing streams of audio-visual signals coded according to standard MPEG1ExpiredSep 15, 95Sep 02, 97[H04N]
5589786 High-speed CMOS driver for optical sourcesExpiredJun 01, 95Dec 31, 96[H03K]
5557611 ATM cross-connect node utilizing two passes through the connection network with shaping between passes for optimal resource allocation in a bursty environmentExpiredJul 19, 95Sep 17, 96[H04L, H04Q]
5359682 Method of adjusting the operation characteristics of integrated optical devicesExpiredAug 17, 92Oct 25, 94[G02B]
5329394 Frequency modulation coherent optical communications system with continuous polarization scramblingExpiredMay 15, 92Jul 12, 94[H04B]
5269888 Method of fabricating integrated optical devices by means of field-assisted ion exchangeExpiredApr 02, 91Dec 14, 93[C25F]
5271082 Method of fabricating integrated optical guides of glassExpiredFeb 27, 92Dec 14, 93[G02B]
5263036 Pump system for waveguide lasers or amplifiersExpiredJan 17, 92Nov 16, 93[H01S]
5257126 Coherent optical fiber communications system using polarization modulationExpiredMay 15, 92Oct 26, 93[H04B]
5212461 Orthomode transducer between a circular waveguide and a coaxial cableExpiredMay 09, 91May 18, 93[H01P]
5197075 Apparatus and method for the generation of modulated optical signals using a semiconductor laserExpiredDec 10, 91Mar 23, 93[H01S]
5160973 System for measuring the refractive index profile of optical componentsExpiredOct 18, 91Nov 03, 92[G01N]
5155397 C-MOS differential sense amplifierExpiredDec 19, 90Oct 13, 92[G11C]
5142362 Method of hydrid digital coding distinguishing motion pictures from still picturesExpiredFeb 20, 91Aug 25, 92[H04N]
5128538 Vapor effusion source for epitaxial deposition plantsExpiredApr 02, 91Jul 07, 92[H05H]

View all patents..

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.