MARCONI COMMUNICATIONS SPA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 6199
 
  
 
H04L TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION 4281
 
  
 
H04B TRANSMISSION 3207
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 2157
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 1446
 
  
 
H01R ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS 1132
 
  
 
H01S DEVICES USING STIMULATED EMISSION191
 
  
 
H04H BROADCAST COMMUNICATION 154
 
  
 
H04J MULTIPLEX COMMUNICATION 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8023405 Method for activation of preplanned circuits in telecommunications networksSep 06, 04Sep 20, 11[G01R, G02F]
7936663 Protection of clear channel connections in communications networksAug 09, 02May 03, 11[H04L]
7869053 High temporal resolution optical sampler and sampling methodSep 06, 04Jan 11, 11[G01B]
7804853 Communications systemJan 31, 03Sep 28, 10[H04J]
7746814 Method for distributed multicast routing in connection-oriented networks and network for applying this methodMay 03, 02Jun 29, 10[H04L, H04W, G01R, H04H]
7747773 Protection scheme for protecting against equipment failure in a data communications systemOct 14, 03Jun 29, 10[G06F, G01R]
7729360 Switching networkJun 22, 04Jun 01, 10[H04L]
7684111 Counter-pumped distributed Raman amplification in wavelength division multiplex optical communication systemsApr 23, 04Mar 23, 10[H01S]
7359582 Method based on stokes parameters for the adaptive adjustment of PMD compensators in optical fiber communication systems and compensator in accordance with said methodNov 29, 02Apr 15, 08[G02B]
7333734 Line coding scheme for digital communications, transmission method and apparatusDec 14, 01Feb 19, 08[H04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7583432 Amplified optical ring transmission systemExpiredDec 23, 03Sep 01, 09[H04B]
7444082 Polarisation mode dispersion compensator using a mean square error techniqueExpiredDec 03, 02Oct 28, 08[H04B]
7440765 Timing signal generation in telecommunications networksExpiredAug 09, 02Oct 21, 08[H04B]
7417790 Looped optical network with ASE light recirculation and link and network survivability control systemExpiredSep 10, 04Aug 26, 08[H01S]
7366413 Modular cross connect system with 3D-MEMS for optical telecommunication networksExpiredJun 24, 02Apr 29, 08[H04J]
2007/0110,450 Optical signal regenerator for high bit-rate transmission systemsAbandonedAug 31, 04May 17, 07[H01M]
2006/0153,260 Erbium doped fibersAbandonedOct 14, 03Jul 13, 06[H01S]
7013085 Method and apparatus for detection and compensation of PMD parameters in signals transmitted over optical fiber links and system of communication therewithExpiredMar 04, 02Mar 14, 06[H04B]
7003300 Method for routing in telecommunications networksExpiredJul 09, 02Feb 21, 06[H04Q]
2005/0200,945 Optical fiber communication systems with brillouin effect amplificationAbandonedMay 17, 05Sep 15, 05[H01S]
2005/0105,470 Telecommunications network control method and network with said systemAbandonedNov 22, 04May 19, 05[G01R]
2005/0108,279 Method and dynamic system for the mangement and production of technical documentation in a databaseAbandonedDec 21, 04May 19, 05[G06F]
2004/0213,166 Telecommunications network with automatic detection of the topology and method for this detectionAbandonedJun 07, 04Oct 28, 04[H04L]
2004/0170,433 Survival dwdm systemAbandonedApr 19, 04Sep 02, 04[H04J]
2002/0019,955 Method for protecting a digital communications systemAbandonedJun 12, 01Feb 14, 02[G06F]

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