Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11252802 | Circuit arrangement for a light source | Klaus Fischer | 2022-02-15 |
| 9560702 | Light source module, power supply unit for operating a light source module of this kind, and lighting system | Markus Heckmann | 2017-01-31 |
| 9392656 | Method of driving LED lighting sources and related device | Francesco Angelin, Paolo De Anna, Enrico Raniero | 2016-07-12 |
| 8596834 | Heatsink and illumination system with a heatsink | Alessandro Maschietto, Alessandro Scordino | 2013-12-03 |
| 8264159 | Circuit arrangement and method for operating at least one LED and at least one fluorescent lamp | Harald Dellian | 2012-09-11 |
| 8138682 | Symmetrical RF power supply for inductively coupled electrodeless lamps | Valery Godyak, Eugen Statnic | 2012-03-20 |
| 7443106 | Circuit with switch-off device for the operation of light sources | Marco Faccin, Michele Menegazzi | 2008-10-28 |
| 7394207 | Circuit arrangement having a full bridge with switching load relief for operating lamps | Wolfram Sowa | 2008-07-01 |
| 6847174 | Drive for a half-bridge inverter | — | 2005-01-25 |
| 6777860 | Luminous element for lamp | — | 2004-08-17 |
| 6778373 | Rectifier circuit suited to power factor correction | Ugo Francescutti | 2004-08-17 |
| 6710474 | Circuit arrangement for switching on a partial circuit arrangement | — | 2004-03-23 |
| 6603674 | Electronic transformer with good immunity against high-voltage pulses | Helmut Haeusser-Boehm, Joachim Muehlschlegel | 2003-08-05 |
| 6600667 | Electronic transformer | Ugo Francescutti | 2003-07-29 |
| 6486613 | Reducing the clamping voltage of operating devices for gas discharge lamps | Markus Heckmann | 2002-11-26 |
| 6475038 | Connector terminal | — | 2002-11-05 |
| 6377107 | Fast turn-off circuit arrangement | — | 2002-04-23 |
| 6272032 | Rectifier with midpoint feed | — | 2001-08-07 |
| 6266259 | Half-bridge inverter | — | 2001-07-24 |
| 6172890 | Half bridge circuit drive without collector bias current peak | — | 2001-01-09 |
| 6144568 | Circuit arrangement for operating electrical lamps | Theodor Kiermeier | 2000-11-07 |
| 6137235 | Low-resistance bipolar bridge circuit | — | 2000-10-24 |
| 5939832 | Safety disconnection with asymmetric lamp power | — | 1999-08-17 |
| 5880564 | High-frequency operating circuit for a low-pressure discharge lamp with improved electromagnetic compatibility | — | 1999-03-09 |