Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6724891 | Integrated modem and line-isolation circuitry and associated method powering caller ID circuitry with power provided across an isolation barrier | Yunteng Huang, George Tyson Tuttle, Timothy J. Dupuis | 2004-04-20 |
| 6686803 | Integrated circuit incorporating circuitry for determining which of at least two possible frequencies is present on an externally provided reference signal and method therefor | Michael H. Perrott, Rex Baird | 2004-02-03 |