Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8848825 | Echo cancellation in wireless inband signaling modem | — | 2014-09-30 |
| 8418039 | Efficient error correction scheme for data transmission in a wireless in-band signaling system | Leon Hong | 2013-04-09 |
| 8369393 | Wireless in-band signaling with in-vehicle systems | — | 2013-02-05 |
| 8249865 | Adaptive data transmission for a digital in-band modem operating over a voice channel | — | 2012-08-21 |
| 7983310 | Methods for in-band signaling through enhanced variable-rate codecs | Michael Hirano, Lee Zhao, David Quimby | 2011-07-19 |
| 7979095 | Wireless in-band signaling with in-vehicle systems | — | 2011-07-12 |
| 7924934 | Time diversity voice channel data communications | — | 2011-04-12 |