Inventor · disambiguated record
Chris Barnard
Also filed as: BARNARD CHRIS · BARNARD CHRIS W · BARNARD CHRIS WILHELM
34 granted patents·12 pending applications·918 citations·filing 1993–2023
98Inventor score
Top patents by PatentIndex Score
46 records- 0198US6219162B1Methods for equalizing WDM systemsNORTEL NETWORKS LTD·Filed 2000·Granted Apr 17, 2001·92 cites·5 claims
- 0297US6040933AMethod and apparatus for channel equalization in wavelength division multiplexed systemsNORTEL NETWORKS CORP·Filed 1997·Granted Mar 21, 2000·184 cites·13 claims
- 0396US9441979B2Interactive applications using data from light sensory networksSENSITY SYSTEMS INC·Filed 2015·Granted Sep 13, 2016·23 cites·20 claims
- 0496US9419743B2Optical subchannel routing, protection switching and securityTREQ LABS INC·Filed 2013·Granted Aug 16, 2016·20 cites·18 claims
- 0596US8744262B2Optical subchannel routing, protection switching and securityBARNARD CHRIS WILHELM·Filed 2010·Granted Jun 3, 2014·27 cites·4 claims
- 0694US9746333B2Interactive applications using data from light sensory networksSENSITY SYSTEMS INC·Filed 2016·Granted Aug 29, 2017·12 cites·30 claims
- 0794US7184666B1Reconfigurable optical add-drop multiplexerCIENA CORP·Filed 2004·Granted Feb 27, 2007·85 cites·18 claims
- 0894US6115157AMethods for equalizing WDM systemsNORTEL NETWORKS CORP·Filed 1997·Granted Sep 5, 2000·107 cites·19 claims
- 0993US8542999B2Minimizing bandwidth narrowing penalties in a wavelength selective switch optical networkBARNARD CHRIS WILHELM·Filed 2011·Granted Sep 24, 2013·10 cites·6 claims
- 1093US6742154B1Forward error correction codes for digital optical network optimizationCIENA CORP·Filed 2000·Granted May 25, 2004·100 cites·23 claims
- 1192US9927249B2Interactive applications using data from light sensory networksSENSITY SYSTEMS INC·Filed 2017·Granted Mar 27, 2018·8 cites·20 claims
- 1290US6304370B1Two-stage modular wide-band optical amplifiersNORTEL NETWORKS LTD·Filed 2000·Granted Oct 16, 2001·32 cites·18 claims
- 1388US11243550B2Optical-electrical device using hybrid automated testing equipmentJUNIPER NETWORKS INC·Filed 2020·Granted Feb 8, 2022·3 cites·20 claims
- 1488US9485050B2Subchannel photonic routing, switching and protection with simplified upgrades of WDM optical networksBARNARD CHRIS WILHELM·Filed 2010·Granted Nov 1, 2016·12 cites·60 claims
- 1586US10422650B2Application framework for interactive wireless sensor networksVERIZON PATENT & LICENSING INC·Filed 2015·Granted Sep 24, 2019·4 cites·20 claims
- 1686US7269347B1Optical receiver decision threshold tuning apparatus and methodCIENA CORP·Filed 2003·Granted Sep 11, 2007·41 cites·30 claims
- 1785US9054832B2Management, monitoring and performance optimization of optical networksBARNARD CHRIS WILHELM·Filed 2010·Granted Jun 9, 2015·8 cites·11 claims
- 1884US10972209B2Subchannel photonic routing, switching and protection with simplified upgrades of WDM optical networksSNELL HOLDINGS LLC·Filed 2018·Granted Apr 6, 2021·2 cites·22 claims
- 1981US9933297B2System and method for planning and monitoring a light sensory networkSENSITY SYSTEMS INC·Filed 2014·Granted Apr 3, 2018·5 cites·18 claims
- 2080US9641278B2Subchannel photonic routing, switching and protection with simplified upgrades of WDM optical networksTREQ LABS INC·Filed 2013·Granted May 2, 2017·4 cites·6 claims
- 2180US2025202614A1Subchannel photonic routing, switching and protection with simplified upgrades of wdm optical networksSNELL HOLDINGS LLC·Filed 2023·Application pending·0 cites
- 2278US9746370B2Method and apparatus for measuring illumination characteristics of a luminaireSENSITY SYSTEMS INC·Filed 2014·Granted Aug 29, 2017·3 cites·4 claims
- 2376US5280549AFrequency dependent optical isolatorCA NAT RESEARCH COUNCIL·Filed 1993·Granted Jan 18, 1994·54 cites·16 claims
- 2476US2022353005A1Subchannel Photonic Routing, Switching and Protection with Simplified Upgrades of WDM Optical NetworksSNELL HOLDINGS LLC·Filed 2022·Application pending·0 cites
- 2575US5321774APolarization independent transmissive/reflective optical switchCA NAT RESEARCH COUNCIL·Filed 1993·Granted Jun 14, 1994·45 cites·9 claims
- 2674US8204374B2Reconfigurable multichannel (WDM) optical ring network with optical shared protectionBARNARD CHRIS·Filed 2005·Granted Jun 19, 2012·7 cites·17 claims
- 2771US2021281353A1Subchannel photonic routing, switching and protection with simplified upgrades of wdm optical networksSNELL HOLDINGS LLC·Filed 2021·Application pending·0 cites
- 2867US6616348B1Method and optical communication network for bidirectional protection protocolsCIENA CORP·Filed 2000·Granted Sep 9, 2003·7 cites·21 claims
- 2966US9042729B2Minimizing bandwidth narrowing penalities in a wavelength selective switch optical networkVELLO SYSTEMS INC·Filed 2013·Granted May 26, 2015·1 cites·8 claims
- 3065US2022107659A1Optical-electrical device using hybrid automated testing equipmentJUNIPER NETWORKS INC·Filed 2021·Application pending·0 cites
- 3164US11477872B2Application framework for interactive wireless sensor networksVERIZON PATENT & LICENSING INC·Filed 2019·Granted Oct 18, 2022·0 cites·20 claims
- 3263US11698308B2Optical temperature measurements in photonic circuitsOPENLIGHT PHOTONICS INC·Filed 2020·Granted Jul 11, 2023·0 cites·20 claims
- 3362US10630418B2Optical subchannel routing, protection switching and securitySNELL HOLDINGS LLC·Filed 2017·Granted Apr 21, 2020·0 cites·12 claims
- 3459US2017093518A1Optical subchannel routing, protection switching and securityTREQ LABS INC·Filed 2016·Application pending·0 cites
- 3559US2017237483A1Subchannel Photonic Routing, Switching and Protection with Simplified Upgrades of WDM Optical NetworksTREQ LABS INC·Filed 2017·Application pending·0 cites
- 3658US7058299B1Method and system for optimizing a laser systemCIENA CORP·Filed 2002·Granted Jun 6, 2006·7 cites·21 claims
- 3757US10584997B2Method and apparatus for measuring illumination characteristics of a luminaireVERIZON PATENT & LICENSING INC·Filed 2017·Granted Mar 10, 2020·0 cites·15 claims
- 3855US2017230133A1Minimizing bandwidth narrowing penalties in a wavelength selective switch optical networkTREQ LABS INC·Filed 2017·Application pending·0 cites
- 3953US2016323057A1Minimizing bandwidth narrowing penalties in a wavelength selective switch optical networkTREQ LABS INC·Filed 2016·Application pending·0 cites
- 4051US2015381304A1Minimizing bandwidth narrowing penalties in a wavelength selective switch optical networkBARNARD CHRIS WILHELM·Filed 2015·Application pending·0 cites
- 4150US6263130B1Wideband optical service channel for wave division networksNORTEL NETWORKS LTD·Filed 1999·Granted Jul 17, 2001·15 cites·5 claims
- 4250US2022034750A1Hybrid automated testing equipment for testing of optical-electrical devicesJUNIPER NETWORKS INC·Filed 2020·Application pending·0 cites
- 4348US2014307431A1Field Configurable Industrial LED Light FixtureXERALUX INC·Filed 2013·Application pending·0 cites
- 4442US2014293603A1Led light bulb replacement with adjustable light distributionSENSITY SYSTEMS INC·Filed 2014·Application pending·0 cites
- 4530US6433869B1Wavelength measurement by dispersion timingNORTEL NETWORKS LTD·Filed 1999·Granted Aug 13, 2002·0 cites·14 claims
- 4628US10445759B2System and method for a loyalty networkPOINTS COM INC·Filed 2015·Granted Oct 15, 2019·0 cites·18 claims
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