CSELT - CENTRO STUDI E LABORATORI TELECOMUNICAZIONI S.P.A.
Patent Owner
Stats
- 29 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 30, 2004 most recent publication
Details
- 29 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 4,383 Total Citation Count
- Feb 11, 1977 Earliest Filing
- 210 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
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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]
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]
6259327 PLL having circuits for selecting optimum VCO input/output characteristicsNov 12, 99Jul 10, 01[H03L]
6194909 Constructive module of an electronic telecommunications equipment, with an interface towards a testing and diagnosing systemAug 05, 98Feb 27, 01[G01R]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
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]
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]
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]
5142362 Method of hydrid digital coding distinguishing motion pictures from still picturesExpiredFeb 20, 91Aug 25, 92[H04N]
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