| Patent Number |
Title Of Patent |
Date Issued |
| 7579785 |
Multiple-light discharge lamp lighting device |
August 25, 2009 |
| To provide a multiple-light discharge lamp lighting device that stabilizes and equalizes tube current of a plurality of discharge lamps without arranging a Ballast element to the secondary side of an inverter transformer with low costs. A multiple-light discharge lamp lighting device |
| 7567039 |
Multiple discharge lamp lighting apparatus |
July 28, 2009 |
| A multiple discharge lamp lighting apparatus is provided which achieves stable and uniform lamp currents in a plurality of discharge lamps without a ballast element at the secondary side of an inverter transformer. The multiple discharge lamp lighting apparatus includes an inverter, |
| 7554219 |
DC/DC converter having an input switching stage and a plurality of output channels |
June 30, 2009 |
| A DC/DC converter having an input switching stage on the primary side and a plurality of output channels on the secondary side of the converter, each output channel having a secondary control loop and a monitoring device, the monitoring devices monitoring the operation of the secondary |
| 7541747 |
Multiple discharge lamp lighting apparatus |
June 2, 2009 |
| There is provided a multiple discharge lamp lighting apparatus, which includes an inverter and plurality of inverter transformer. In the multiple discharge lighting apparatus, a discharge lamp is connected to the secondary winding of each inverter transformer, a ballast impedance ele |
| 7436279 |
High voltage transformer |
October 14, 2008 |
| The invention relates to a high voltage transformer having a double symmetric winding arrangement. The transformer comprises a closed core (10) having a first and a second leg (12, 14), a first and a second coil member (16; 18) having a first end, a second end and a middle section. E |
| 7323830 |
Lighting arrangement having a fluorescent lamp, particularly a cold cathode lamp |
January 29, 2008 |
| A lighting arrangement having at least one fluorescent lamp comprising a tube that has at least one light emitting region, a high-voltage terminal at a first end of the tube and a low-voltage terminal at a second end of the tube, an electrically conductive surface being arranged adjacent |
