Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7254217 | Fault characterization using information indicative of echo | Michael John Rude, Mo-Ching Lau, Tiet Pham, William Lu | 2007-08-07 |
| 7190783 | Integrated digital subscriber line transceiver | Mo-Ching Lau, Ramya Dissanayake | 2007-03-13 |
| 7119702 | Audible relay emulator | — | 2006-10-10 |
| 4600942 | Secure coding and decoding system and method for television program signals | Robert William Richard Field, Clarence D. Perr | 1986-07-15 |
| 4410911 | Multiple signal transmission method and system, particularly for television | Robert William Richard Field, Clarence D. Perr, Robert S. Block | 1983-10-18 |
| 4398216 | Multiple signal transmission method and system, particularly for television | Robert William Richard Field, Clarence D. Perr, Robert S. Block | 1983-08-09 |