Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9832823 | Load driving circuit and illumination apparatus including the same | — | 2017-11-28 |
| 8861206 | Casing for electronic ballast | Michele Tiso, Fubing Xie | 2014-10-14 |
| 8836238 | Detect method for step dimming selection | Wei Gao, Markus Heckmann, Yanshun Xue | 2014-09-16 |
| 7439680 | Apparatus for safely connecting the lamp to the equipment voltage ground | Ange Gao | 2008-10-21 |
| 7061190 | Circuit arrangement and operating device for operating lamps | — | 2006-06-13 |
| 7053563 | Circuit arrangement for operating light sources | Henry Hoo, Ken Liu, Harald Schmitt | 2006-05-30 |
| 6717371 | Ballast for operating at least one low-pressure discharge lamp | Juergen Klier | 2004-04-06 |
| 6191677 | Inductance element | Bernhard Orben, Richard Koeppl, Jerzy Cierpinski, Olaf Busse, Martin Grabner +2 more | 2001-02-20 |
| 6078144 | Electronic ballast with inrush current limiting | — | 2000-06-20 |
| 6044000 | Switched-mode power supply having signal evaluation unit connected to a charging inductor | — | 2000-03-28 |