Assignee
NORTEL NETWORK LTD
CA·17 granted patents·1,124 citations·filing 1997–2008
Top patents by PatentIndex Score
17 records- 0199US7130368B1Clock recovery using a direct smoothing processNORTEL NETWORK LTD·Filed 2002·Granted Oct 31, 2006·277 cites·17 claims
- 0296US7177399B2Determining the geographical location from which an emergency call originates in a packet-based communications networkNORTEL NETWORK LTD·Filed 2004·Granted Feb 13, 2007·300 cites·10 claims
- 0395US7606541B1Enhanced holdover for synchronous networks employing packet switched network backhaulNORTEL NETWORK LTD·Filed 2006·Granted Oct 20, 2009·34 cites·22 claims
- 0493US6256511B1Dual-mode radio architectureNORTEL NETWORK LTD·Filed 1997·Granted Jul 3, 2001·194 cites·11 claims
- 0587US7894450B2Implementation of VPNs over a link state protocol controlled ethernet networkNORTEL NETWORK LTD·Filed 2008·Granted Feb 22, 2011·14 cites·14 claims
- 0686US6920125B1IP adaptation layer on backhaul connection of cellular networkNORTEL NETWORK LTD·Filed 2000·Granted Jul 19, 2005·52 cites·40 claims
- 0783US6877132B1Method and apparatus for channel decoding of tail-biting convolutional codesNORTEL NETWORK LTD·Filed 1999·Granted Apr 5, 2005·59 cites·21 claims
- 0882US6798772B2Method for public access to private phone numbers and other telephonic peripherals using a caller access codeNORTEL NETWORK LTD·Filed 1999·Granted Sep 28, 2004·95 cites·35 claims
- 0979US7373646B1Method and apparatus for sharing stack space between multiple processes in a network deviceNORTEL NETWORK LTD·Filed 2003·Granted May 13, 2008·28 cites·19 claims
- 1070US7616940B2Stand-alone low noise amplifierNORTEL NETWORK LTD·Filed 2006·Granted Nov 10, 2009·5 cites·15 claims
- 1164US6757098B2Highly scalable modular optical amplifier based subsystemNORTEL NETWORK LTD·Filed 2001·Granted Jun 29, 2004·8 cites·7 claims
- 1259US7570629B1Distribution of packets to multiple addressesNORTEL NETWORK LTD·Filed 2004·Granted Aug 4, 2009·5 cites·4 claims
- 1358US7486615B2Network data routing protection cycles for automatic protection switchingNORTEL NETWORK LTD·Filed 2003·Granted Feb 3, 2009·3 cites·25 claims
- 1456US7281326B1Technique for routing conductive traces between a plurality of electronic components of a multilayer signal routing deviceNORTEL NETWORK LTD·Filed 2003·Granted Oct 16, 2007·7 cites·14 claims
- 1550US7421489B2Network protocols for distributing functions within a networkNORTEL NETWORK LTD·Filed 2000·Granted Sep 2, 2008·5 cites·10 claims
- 1647US6857014B1Method and system for designing a networkNORTEL NETWORK LTD·Filed 1999·Granted Feb 15, 2005·30 cites·31 claims
- 1737US6304655B1Signal capture for telecommunications switchNORTEL NETWORK LTD·Filed 1998·Granted Oct 16, 2001·8 cites·15 claims
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