Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8482213 | Electronic ballast with pulse detection circuit for lamp end of life and output short protection | Wei Xiong, Christopher Radzinski | 2013-07-09 |
| 8450946 | Zone addressing circuit for an electronic ballast | Candice Damian | 2013-05-28 |
| 8378579 | Ballast circuit for a gas discharge lamp with a control loop to reduce filament heating voltage below a maximum heating level | Wei Xiong | 2013-02-19 |
| 8288956 | Lamp preheat circuit for a program start ballast with filament voltage cut-back in steady state | Wei Xiong, Christopher Radzinski | 2012-10-16 |
| 7923942 | Constant current source mirror tank dimmable ballast for high impedance lamps | Wei Xiong, Christopher Radzinski | 2011-04-12 |
| 7843141 | Low cost step dimming interface for an electronic ballast | Wei Xiong, Christopher Radzinski | 2010-11-30 |
| 5202683 | Optical traffic preemption detector | Steven M. Hamer, David L. Wortman | 1993-04-13 |