Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7187860 | Method and apparatus for detecting localized polarization dependent anomalies on optical transmission lines | Neal S. Bergano, William W. Patterson, III, Richard L. Maybach | 2007-03-06 |
| 6414405 | Method and apparatus for operating cabled-fiber undersea network, and fault-tolerant branching unit for use therein | Joel Schesser, Francis C. Bekampis, Robert Lynch, David Gunderson | 2002-07-02 |
| 6366381 | Remote monitoring of an optical transmission system using line monitoring signals | — | 2002-04-02 |
| 6211985 | Remote monitoring of an optical transmission system using line monitoring signals | — | 2001-04-03 |
| 6025949 | Line monitoring of an optical transmission system using pilot signals | — | 2000-02-15 |
| 5825515 | Supervisory apparatus for optical transmission system | — | 1998-10-20 |
| 5343320 | Pump laser control circuit for an optical transmission system | — | 1994-08-30 |
| 4633464 | Control signalling arrangement for a digital transmission system | — | 1986-12-30 |
| 4586186 | Maintenance response signalling arrangement for a digital transmission system | — | 1986-04-29 |