Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614839 | Method and apparatus for identifying the encoding type of a central office codec | Xuming Zhang | 2003-09-02 |
| 6574280 | Method and apparatus for detecting and determining characteristics of a digital channel in a data communication system | Thomas C. Liau, Jason B. Brent | 2003-06-03 |