Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10362652 | Lighting device with dimming reference control method to stabilize low output current | Wei Xiong, Scott Price, Danny Pugh | 2019-07-23 |
| 9894718 | Constant current source LED driver circuit with self-clamped output | Wei Xiong, Rohan Dayal | 2018-02-13 |
| 9837194 | Output transformer and resonant inductor in a combined magnetic structure | Donald Folker, Mike LeBlanc, Wei Xiong | 2017-12-05 |
| 9826583 | Auxiliary power supply with dynamically adjustable output | Wei Xiong, Danny Pugh | 2017-11-21 |
| 9820351 | Circuit and method for abnormal fault testing in an LED driver | Wei Xiong, Danny Pugh | 2017-11-14 |
| 9787195 | Primary current sensing method for isolated LED driver | Wei Xiong | 2017-10-10 |
| 9769890 | Circuit and method for eliminating power-off flash for LED drivers | Wei Xiong, Danny Pugh | 2017-09-19 |
| 9723667 | Output tuning and dimming interface for an LED driver | Wei Xiong, Danny Pugh | 2017-08-01 |
| 9693411 | LED driver configuration and dimming interface for dynamic adjustment of driver operating parameters | Wei Xiong, Keith L. Davis | 2017-06-27 |
| 9674907 | Input surge protection circuit and method for a non-isolated buck-boost LED driver | Wei Xiong | 2017-06-06 |
| 9668309 | LED driver providing constant output power across a wide output voltage and current range | Wei Xiong, Danny Pugh | 2017-05-30 |
| 9645597 | Circuit and method for indirectly sensing current and voltage in a floating output power supply | Wei Xiong | 2017-05-09 |
| 9431893 | Stability control of a power factor correction circuit using adaptive mulitplier voltage feedback | Wei Xiong | 2016-08-30 |
| 9363862 | Automatic current and reference gain control for wide range current control | Wei Xiong, John J. Dernovsek | 2016-06-07 |
| 9237613 | Constant current control for an LED driver circuit using a microcontroller-based oscillator controlled by a differential error feedback signal from a proportional and integration control loop | Wei Xiong, John J. Dernovsek | 2016-01-12 |
| 8896213 | Adaptive lamp warm up control for dimming ballast based on lamp impedance sensing | Wei Xiong, John J. Dernovsek, Danny Pugh | 2014-11-25 |
| 8610366 | Lighting ballast and method for balancing multiple independent resonant tanks | Wei Xiong, Danny Pugh | 2013-12-17 |
| 8581497 | Electronic ballast circuit and method for detecting removal of parallel connected lamp filaments in low level dimming | Wei Xiong, John J. Dernovsek, Danny Pugh | 2013-11-12 |