Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424925 | Circuit and method for detecting a tone signal | Man H. Ku, Wai-Hung Leung, Ying-Chang Chen | 2002-07-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6424925 | Circuit and method for detecting a tone signal | Man H. Ku, Wai-Hung Leung, Ying-Chang Chen | 2002-07-23 |