Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8521021 | Method and apparatus for switching optical wavelengths | — | 2013-08-27 |
| 8358929 | Network protection switching mechanisms and methods of network protection | David Lewis | 2013-01-22 |
| 8023819 | Method and apparatus for network fault detection and protection switching using optical switches with integrated power detectors | — | 2011-09-20 |
| 6735357 | Monitoring and control of all-optical cross connect fabrics using multiple laser sources | — | 2004-05-11 |
| 6404527 | Method and apparatus for transmitting a response signal from an optical repeater to a terminal requesting status information | — | 2002-06-11 |
| 6396770 | Steerable thermoacoustic array | Charles A. Carey, Harvey C. Woodsum | 2002-05-28 |
| 6385131 | Thermoacoustic communications system | Harvey C. Woodsum, Charles A. Carey | 2002-05-07 |
| 6323981 | Method and apparatus for detecting intermittent faults in an optical communication system | — | 2001-11-27 |
| 6317388 | Thermoacoustic bi-static sonar system | Harvey C. Woodsum, Charles A. Carey | 2001-11-13 |
| 5969833 | Monitoring system using an optical side tone as a test signal | — | 1999-10-19 |
| 5448907 | Apparatus and method for detecting fluid flow | Anthony M. Agnone | 1995-09-12 |