Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788898 | Optical/radio local access network | David M. Britz, Jeevan Prakash Dodley, Lih-Yuan Lin | 2004-09-07 |
| 6771769 | Method and apparatus for active reduction of speakerphone singing | Richard Henry Erving | 2004-08-03 |
| 6731878 | Free space optical communication link with diversity | David M. Britz, Jeevan Prakash Dodley | 2004-05-04 |
| 6707886 | Method and system for testing subscriber loops using touchtone telephone signals | Richard Henry Erving, Maura Elizabeth Marcus, Christopher W. Rice | 2004-03-16 |
| 6678316 | Method and apparatus for reducing near-end crosstalk (NEXT) in discrete multi-tone modulator/demodulators | Howard David Helms, Richard Robert Shively | 2004-01-13 |