Chris Barnard
34Patents
12h-index
27Co-inventors
81Inventor score
Filing activity: Feb 5, 1993 → Oct 5, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6040933A | Method and apparatus for channel equalization in wavelength division multiplexed systems | Electricity | 133 | Expired |
| US6115157A | Methods for equalizing WDM systems | Electricity | 69 | Expired |
| US6742154B1 | Forward error correction codes for digital optical network optimization | Electricity | 64 | Expired |
| US6219162A | Methods for equalizing WDM systems | Electricity | 56 | Expired |
| US7184666B1 | Reconfigurable optical add-drop multiplexer | Electricity | 45 | Expired |
| US5321774A | Polarization independent transmissive/reflective optical switch | Physics | 32 | Expired |
| US5280549A | Frequency dependent optical isolator | Electricity | 32 | Expired |
| US7269347B1 | Optical receiver decision threshold tuning apparatus and method | Electricity | 21 | Expired |
| US9441979B2 | Interactive applications using data from light sensory networks | Emerging Cross-Sectional Technologies | 17 | Active |
| US6304370A | Two-stage modular wide-band optical amplifiers | Electricity | 17 | Expired |
| US8744262B2 | Optical subchannel routing, protection switching and security | Electricity | 15 | Active |
| US9419743B2 | Optical subchannel routing, protection switching and security | Electricity | 13 | Active |
| US6263130A | Wideband optical service channel for wave division networks | Electricity | 9 | Expired |
| US8542999B2 | Minimizing bandwidth narrowing penalties in a wavelength selective switch optical network | Electricity | 7 | Active |
| US9746333B2 | Interactive applications using data from light sensory networks | Emerging Cross-Sectional Technologies | 7 | Active |
| US9485050B2 | Subchannel photonic routing, switching and protection with simplified upgrades of WDM optical networks | Electricity | 7 | Active |
| US9054832B2 | Management, monitoring and performance optimization of optical networks | Electricity | 5 | Active |
| US6616348B1 | Method and optical communication network for bidirectional protection protocols | Electricity | 5 | Expired |
| US9927249B2 | Interactive applications using data from light sensory networks | Emerging Cross-Sectional Technologies | 5 | Active |
| US9933297B2 | System and method for planning and monitoring a light sensory network | Emerging Cross-Sectional Technologies | 5 | Active |
| US7058299B1 | Method and system for optimizing a laser system | Electricity | 5 | Expired |
| US10422650B2 | Application framework for interactive wireless sensor networks | Emerging Cross-Sectional Technologies | 4 | Active |
| US8204374B2 | Reconfigurable multichannel (WDM) optical ring network with optical shared protection | Electricity | 4 | Active |
| US9641278B2 | Subchannel photonic routing, switching and protection with simplified upgrades of WDM optical networks | Electricity | 2 | Active |
| US9746370B2 | Method and apparatus for measuring illumination characteristics of a luminaire | Physics | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.