Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9444258 | Photovoltaic system having power-increment-aided incremental-conductance maximum power point tracking controller using constant-frequency and variable-duty control and method thereof | Hung-I Hsieh, Chun-Kong Chan | 2016-09-13 |
| 9065298 | Photovoltaic system having power-increment-aided incremental-conductance maximum power point tracking controller using variable-frequency and constant-duty control and method thereof | Hung-I Hsieh, Chun-Kong Chan | 2015-06-23 |
| 8564212 | Appropriate LED arrangement and power need in large-scale LED display and lighting apparatus and method thereof | Cheng-Chih Chu | 2013-10-22 |
| 7706156 | Resonant converter with synchronous rectification drive circuit | Wei-Li Hsu, Cheng-Yuan Tsai | 2010-04-27 |
| 7064497 | Dead-time-modulated synchronous PWM controller for dimmable CCFL royer inverter | — | 2006-06-20 |
| 6937489 | Sigma-delta modulation inverter with programmable waveform output | Hung-Liang Chen, Jui-Chih Cheng | 2005-08-30 |
| 6756747 | Apparatus and method for eliminating striation of fluorescent lamp with dimming control | — | 2004-06-29 |
| 6087785 | Harmonized strategy for eliminating acoustic resonance in a fluorescent lamp | Chang-Hua Lin | 2000-07-11 |
| 5790971 | Frequency-locked stepping position control system | — | 1998-08-04 |
| 5774351 | Series resonant DC-to-AC inverter system | Chang-Huan Liu | 1998-06-30 |
| 5212434 | Phase-locked step motor speed servo controller | — | 1993-05-18 |