Assignee
MARCONI COMM LTD
GB·54 granted patents·1,302 citations·filing 1995–2003
Top patents by PatentIndex Score
54 records- 0187US6181981B1Apparatus and method for improved vending machine inventory maintenanceMARCONI COMM LTD·Filed 1996·Granted Jan 30, 2001·505 cites·29 claims
- 0282US6515777B1Ring gain control in WDM optical signal transmission systemMARCONI COMM LTD·Filed 1999·Granted Feb 4, 2003·64 cites·10 claims
- 0380US5956347ADigital telecommunications transmission systemsMARCONI COMM LTD·Filed 1997·Granted Sep 21, 1999·62 cites·8 claims
- 0475US6449403B1Wavelength selective optical filterMARCONI COMM LTD·Filed 2000·Granted Sep 10, 2002·12 cites·31 claims
- 0572USD493452SCommunication apparatusMARCONI COMM LTD·Filed 2002·Granted Jul 27, 2004·22 cites·1 claims
- 0672US6539083B1Inductive coin validation system and payphone using such systemMARCONI COMM LTD·Filed 2000·Granted Mar 25, 2003·15 cites·49 claims
- 0771US6483616B1Safe repair of malfunction in optical communication systemMARCONI COMM LTD·Filed 1999·Granted Nov 19, 2002·50 cites·16 claims
- 0864US6486988B1Upgrading optical communications systems without traffic interruptionMARCONI COMM LTD·Filed 1999·Granted Nov 26, 2002·28 cites·20 claims
- 0963US6097736ATelecommunications networkMARCONI COMM LTD·Filed 1995·Granted Aug 1, 2000·57 cites·12 claims
- 1062US6442163B1Depacketizer and a frame aligner including the depacketizerMARCONI COMM LTD·Filed 1997·Granted Aug 27, 2002·23 cites·5 claims
- 1162US6363202B1Management and control of the power levels of wavelength multiplexed optical signalsMARCONI COMM LTD·Filed 1999·Granted Mar 26, 2002·25 cites·29 claims
- 1261US6188817B1Photonics systemMARCONI COMM LTD·Filed 1999·Granted Feb 13, 2001·24 cites·16 claims
- 1360US6078394AWavelength managerMARCONI COMM LTD·Filed 1998·Granted Jun 20, 2000·27 cites·9 claims
- 1459US6697188B2Radiation power equalizerMARCONI COMM LTD·Filed 2001·Granted Feb 24, 2004·6 cites·18 claims
- 1558US6590684B1Optical systemMARCONI COMM LTD·Filed 1999·Granted Jul 8, 2003·21 cites·25 claims
- 1657US6747778B2Method and apparatus for generating a pulse width modulated signal and optical attenuator controlled by a pulse width modulated signalMARCONI COMM LTD·Filed 2001·Granted Jun 8, 2004·6 cites·15 claims
- 1757US6731656B1Communication systemMARCONI COMM LTD·Filed 1999·Granted May 4, 2004·26 cites·8 claims
- 1857US6185225B1Telecommunications equipment operable at two data ratesMARCONI COMM LTD·Filed 1997·Granted Feb 6, 2001·18 cites·4 claims
- 1956US6721909B2High dynamic range error rate monitorMARCONI COMM LTD·Filed 2000·Granted Apr 13, 2004·4 cites·13 claims
- 2056US6141141ASingle sideband modulatorsMARCONI COMM LTD·Filed 1998·Granted Oct 31, 2000·24 cites·5 claims
- 2150US7170672B2Raman amplifierMARCONI COMM LTD·Filed 2003·Granted Jan 30, 2007·4 cites·11 claims
- 2249US6600745B1Cell alignersMARCONI COMM LTD·Filed 1997·Granted Jul 29, 2003·14 cites·2 claims
- 2349US6513136B1Communications receiver arrangementMARCONI COMM LTD·Filed 1999·Granted Jan 28, 2003·23 cites·15 claims
- 2448US6810118B1Service creation in an intelligent networkMARCONI COMM LTD·Filed 1999·Granted Oct 26, 2004·14 cites·10 claims
- 2547US6185216B1Synchronization in an SDH networkMARCONI COMM LTD·Filed 1996·Granted Feb 6, 2001·22 cites·8 claims
- 2646US6577594B1Telecommunications systemMARCONI COMM LTD·Filed 1999·Granted Jun 10, 2003·15 cites·15 claims
- 2745US6278687B1MA alternate routeingMARCONI COMM LTD·Filed 1998·Granted Aug 21, 2001·24 cites·2 claims
- 2843US6444901B1Enclosure for electromagnetic sealing of electrical equipmentMARCONI COMM LTD·Filed 2000·Granted Sep 3, 2002·7 cites·11 claims
- 2943US6377542B1Rap alternate routeing for ISO 10589MARCONI COMM LTD·Filed 1998·Granted Apr 23, 2002·18 cites·2 claims
- 3042US6519710B1System for accessing shared memory by two processors executing same sequence of operation steps wherein one processor operates a set of time later than the otherMARCONI COMM LTD·Filed 1999·Granted Feb 11, 2003·27 cites·19 claims
- 3142US6199205B1Data delivery servicesMARCONI COMM LTD·Filed 1996·Granted Mar 6, 2001·8 cites·8 claims
- 3242US6041055AMultipurpose synchronous switch architectureMARCONI COMM LTD·Filed 1995·Granted Mar 21, 2000·14 cites·3 claims
- 3338US6560245B1Telecommunications systemMARCONI COMM LTD·Filed 1999·Granted May 6, 2003·9 cites·14 claims
- 3438US6240106B1Retiming arrangement for SDH data transmission systemMARCONI COMM LTD·Filed 1996·Granted May 29, 2001·9 cites·6 claims
- 3538US5914937AB-ISDN accessMARCONI COMM LTD·Filed 1995·Granted Jun 22, 1999·12 cites·7 claims
- 3637US6426964B1Telecommunications access systems and equipmentMARCONI COMM LTD·Filed 1997·Granted Jul 30, 2002·9 cites·24 claims
- 3737USD458914STelephoneMARCONI COMM LTD·Filed 2001·Granted Jun 18, 2002·4 cites·1 claims
- 3836US6169784B1Telecommunication line termination testMARCONI COMM LTD·Filed 1998·Granted Jan 2, 2001·8 cites·2 claims
- 3936US6125118AATM local accessMARCONI COMM LTD·Filed 1996·Granted Sep 26, 2000·9 cites·7 claims
- 4035US6271951B1Telecommunications networkMARCONI COMM LTD·Filed 1997·Granted Aug 7, 2001·4 cites·12 claims
- 4134US6788479B2Tuneable optical filterMARCONI COMM LTD·Filed 2001·Granted Sep 7, 2004·1 cites·30 claims
- 4232US6480608B2Method for exchanging cryptographic keys in an ATM network using multiple virtual paths or circuitsMARCONI COMM LTD·Filed 1996·Granted Nov 12, 2002·4 cites·6 claims
- 4331US6529302B1Channel switching in wavelength encoded optical communication systemsMARCONI COMM LTD·Filed 1999·Granted Mar 4, 2003·2 cites·25 claims
- 4431US6519061B1Traffic switching between different wavelength multiplexed channels in optical communications systemsMARCONI COMM LTD·Filed 1999·Granted Feb 11, 2003·2 cites·21 claims
- 4531US6198560B1Operation of optical modulatorsMARCONI COMM LTD·Filed 1998·Granted Mar 6, 2001·4 cites·22 claims
- 4630US6456596B2Synchronous transmission systemsMARCONI COMM LTD·Filed 1999·Granted Sep 24, 2002·0 cites·2 claims
- 4729US6788900B1System for checking the operation of an optical filterMARCONI COMM LTD·Filed 1999·Granted Sep 7, 2004·0 cites·32 claims
- 4828US6366372B1Burst mode wavelength managerMARCONI COMM LTD·Filed 1998·Granted Apr 2, 2002·1 cites·6 claims
- 4927US6198755B1Time multiplexing/demultiplexing methodMARCONI COMM LTD·Filed 1996·Granted Mar 6, 2001·4 cites·4 claims
- 5026US6700885B1Telecommunications systemMARCONI COMM LTD·Filed 1999·Granted Mar 2, 2004·5 cites·9 claims
Showing the top 50 of 54 patent records by PatentIndex Score.
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