Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6608896 | Efficient digital ITU-compliant zero-buffering DTMF detection using the non-uniform discrete Fourier transform | James C. Mason, Brian Evans | 2003-08-19 |
| 6507223 | Differential line driver having adjustable common mode operation | — | 2003-01-14 |