Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9065398 | Amplifying circuit capable of suppressing spikes of an audio signal | Ming-Chung Li | 2015-06-23 |
| 8872581 | Class-D power amplifier capable of reducing electromagnetic interference and triangular wave generator thereof | Ming-Chung Li | 2014-10-28 |
| 8786367 | Voltage controlling circuit | Tzu-Fei Han | 2014-07-22 |
| 7564232 | Charging circuit and control method and integrated circuit utilizing the same | — | 2009-07-21 |
| 7224010 | Voltage-controlled amplifier for a signal processing system | — | 2007-05-29 |
| 6928176 | Switching circuit built in IC for earphone and loudspeaker of portable information device | Wei-Cheng Lin | 2005-08-09 |