Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12348149 | Synchronous rectification to improve efficiency of electricity conversion for harvesting energy from low voltage sources | Ryan Griffin | 2025-07-01 |
| 10778104 | Efficient electricity conversion for harvesting energy from low voltage sources | Ryan Griffin | 2020-09-15 |
| 10644044 | Methods of manufacturing printable photodetector array panels | Zhiyi Zhang, Ye Tao, Salima ALEM, Shoude Chang | 2020-05-05 |
| 10476367 | Voltage and current triggered switch, and step-down DC-DC converters containing such a switch | George Xiao, Ryan Griffin, Ye Tao | 2019-11-12 |
| 7436880 | Adaptive filtering using fast affine projection adaptation | — | 2008-10-14 |
| 7330812 | Method and apparatus for transmitting an audio stream having additional payload in a hidden sub-channel | — | 2008-02-12 |
| 6788785 | Stable adaptive filter and method | — | 2004-09-07 |
| 6754340 | Stable adaptive filter and method | — | 2004-06-22 |
| 6687723 | Tri-mode adaptive filter and method | — | 2004-02-03 |
| 6226380 | Method of distinguishing between echo path change and double talk conditions in an echo canceller | — | 2001-05-01 |
| 6178162 | Method and apparatus for inhibiting echo in a channel of a communication system | David Dal Farra | 2001-01-23 |
| 6049606 | Circuit and method of double talk detection for use in handsfree telephony terminals | Frank Lau | 2000-04-11 |
| 5838787 | Method and system for controlling echo return loss using a complementary variolosses in transmit path | Scott McClennon | 1998-11-17 |
| 5796818 | Dynamic optimization of handsfree microphone gain | Scott McClennon, David Dal Farra | 1998-08-18 |