Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9379601 | Charge module, driving circuit, and operating method | — | 2016-06-28 |
| 9071137 | Driving circuit and error amplifier thereof | — | 2015-06-30 |
| 8779737 | Voltage converting circuit and method | — | 2014-07-15 |
| 8779688 | Light emitting diode driving circuit | — | 2014-07-15 |
| 8704501 | Driver, current regulating circuit thereof, and method of current regulation, with alternating voltages therein | Ching-Wei Hsueh | 2014-04-22 |
| 8607106 | Channel detection device | — | 2013-12-10 |
| 8390215 | Light emitting diode circuit, light emitting diode driving circuit, voltage selection circuit, and method for driving thereof | — | 2013-03-05 |
| 8384655 | LED driving circuit and method of controlling the same | Ching-Wei Hsueh | 2013-02-26 |
| 8194377 | Driver and over-current protection circuit therein | Ching-Wei Hsueh | 2012-06-05 |
| 8129923 | Switching circuit adapted in LED circuit | — | 2012-03-06 |
| 8004201 | LED circuit | Ching-Wei Hsueh | 2011-08-23 |
| 7973598 | Audio power amplifier and a pre-amplifier thereof | Po-Yu Li | 2011-07-05 |
| 7940136 | Oscillator | — | 2011-05-10 |
| 7920011 | Voltage trimming circuit | — | 2011-04-05 |
| 7825729 | Class AB rail-to-rail operational amplifier | Ching-Wei Hsueh | 2010-11-02 |
| 7714646 | Audio power amplifier and a pre-amplifier thereof | Po-Yu Li | 2010-05-11 |
| 7629842 | Class D audio amplifier | Po-Yu Li | 2009-12-08 |
| 7626429 | Driving circuit to drive an output stage | Kuo H. Wu | 2009-12-01 |