Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10148175 | System and method for a switched-mode power supply | Xiao Wu Gong | 2018-12-04 |
| 9991791 | System and method for a switched-mode power supply | Xiao Wu Gong | 2018-06-05 |
| 9793796 | Driver controller with AC-adapted and DC-adapted control modes | Xiaowu Gong | 2017-10-17 |
| 9763289 | System and method for a switched-mode power supply | Xiao Wu Gong, Yong Siang Teo | 2017-09-12 |
| 9699848 | System and method for a switched-mode power supply | Gong Xiaowu | 2017-07-04 |
| 9602018 | Power converter with reduced power consumption in standby mode | — | 2017-03-21 |
| 9590507 | Auxiliary supply for a switched-mode power supply controller using bang-bang regulation | Rolf Weis, Wolfgang Granig | 2017-03-07 |
| 9537386 | Driver controller with internally calculated average output current | Xiaowu Gong | 2017-01-03 |
| 8525429 | Method for controlling gas discharge lamps | Manfred Schlenk, Robert Weger, Hans Hoffmann, Mykhaylo Raykhman, Martin Feldtkeller | 2013-09-03 |
| 8378590 | Method for detection of non-zero-voltage switching operation of a ballast of fluorescent lamps, and ballast | Martin Feldtkeller, Antoine Fery | 2013-02-19 |
| 8022637 | Method for detection of non-zero-voltage switching operation of a ballast of fluorescent lamps, and ballast | Martin Feldtkeller, Antoine Fery | 2011-09-20 |
| 7969754 | Control circuit for a switch unit of a clocked power supply circuit, and resonance converter | Matthias Radecker, Fabio Bisogno | 2011-06-28 |
| 7834552 | Controlling a lamp ballast | Martin Feldtkeller, Antoine Fery | 2010-11-16 |
| 7812612 | Method and apparatus for monitoring the operation of a gas discharge lamp | Martin Feldtkeller, Dieter Zipprick | 2010-10-12 |
| 7746671 | Control circuit for a switch unit of a clocked power supply circuit, and resonance converter | Matthias Radecker, Fabio Bisogno | 2010-06-29 |
| 7683595 | Method for actuation, and actuating circuit for a switch in a power factor correction circuit | Martin Feldtkeller | 2010-03-23 |
| 7560873 | Method for detection of non-zero-voltage switching operation of a ballast of fluorescent lamps, and ballast | Martin Feldtkeller, Antoine Fery | 2009-07-14 |
| 7397678 | Method for driving a switch that controls current drawn in a power factor correction circuit and a drive circuit therefor | Wolfgang Frank, Sven Kolberg | 2008-07-08 |
| 7378807 | Drive circuit for a fluorescent lamp with a diagnosis circuit, and method for diagnosis of a fluorescent lamp | Martin Feldtkeller, Antoine Fery | 2008-05-27 |
| 7135845 | Drive circuit for a switch in a switching converter and method for driving a switch in a switching converter | Ilva Zverev, Martin Feldtkeller, Wolfgang Frank, Heng Chong Huang | 2006-11-14 |
| 6995467 | Semiconductor component | Roland Rupp, Ilia Zverev | 2006-02-07 |
| 6894421 | Circuit configuration and, in particular, a switch-mode power supply | Ilia Zverev | 2005-05-17 |
| 6806694 | Switching regulator with dynamic current limiting and drive circuit for the switching regulator | Roland Rupp, Ilia Zverev | 2004-10-19 |
| 5982642 | Pulsed power supply of switched-mode power supplies | — | 1999-11-09 |
| 5596264 | Circuit configuration for limiting the output voltage of a clocked voltage regulator | Helmut Bichler, Martin Feldtkeller, Michael Lenz | 1997-01-21 |