| Patent application number | Description | Published |
| 20090140662 | Circuit Arrangement Having a Transformation Apparatus and Operating Method for a Lamp Using a Circuit Arrangement Having a Transformation Apparatus - The present invention relates to a circuit arrangement having a transformation apparatus, which has a primary side (P) and a secondary side (S), wherein the primary side and the secondary side (S) are DC-isolated from one another, wherein the primary side (P) has a terminal for a supply voltage (UE) and is connected to a first reference potential, wherein the secondary side (S) comprises a first and a second output line, which, in the normal case, are not coupled to a reference potential and which form an output terminal, at which a voltage for a load (LA) can be provided, wherein it furthermore comprises: an apparatus for tapping off a measured voltage potential (CP) on the secondary side (S); and an apparatus (10) for determining whether the measured voltage potential is in a permissible range. The invention moreover relates to an operating method for a lamp using a circuit arrangement. | 06-04-2009 |
| 20090289563 | Circuit Arrangement and Method for Operating At Least One Dielectric Barrier Discharge Lamp - The invention relates to a circuit assembly for operating at least one dielectrically impeded discharge lamp (La | 11-26-2009 |
| 20100014292 | OPTICAL ELEMENT - In various embodiments, an optical element may include at least one elastically deformable support, on which at least one reflective layer is applied; and in addition at least one deformation apparatus for elastically deforming the at least one support. | 01-21-2010 |
| 20100026199 | DIELECTRIC BARRIER DISCHARGE LAMP WITH STARTING AID - A dielectric barrier discharge lamp is provided, which may include an anode and a cathode, a discharge vessel with an exhaust tube, at least one starting electrode which is arranged along the outer side of the exhaust tube, a starting coating, which is arranged in the inner side of the exhaust tube, wherein the starting coating is arranged centrally over the starting electrode, and this starting electrode is connected to the cathode. | 02-04-2010 |
| 20100128481 | FAIRY LIGHTS - A string of lights is provided. The string of lights may include a plurality of light sources, wherein the light sources are integrated into the string of lights and are embedded in a support part of the string of lights. | 05-27-2010 |
| 20100148674 | SETTING AN RGB LUMINOUS MODULE - An arrangement for setting at least one RGB luminous module is provided. The arrangement may include at least one RGB sensor configured to detect a color signal; and a processor configured to set the at least one RGB luminous module depending on the color signal. | 06-17-2010 |
| 20100164389 | CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING AT LEAST ONE LED AND AT LEAST ONE FLUORESCENT LAMP - A circuit arrangement for operating an LED and an fluorescent lamp may include a main rectifier; an auxiliary rectifier; an inverter, the output of said inverter having a terminal for connecting the fluorescent lamp; a starting device, wherein its first terminal is coupled to a control electrode of one of the switches of the inverter; a pull-down circuit; and a starting capacitor; wherein the second terminal of the starting device and the second terminal of the pull-down circuit are coupled to the first output terminal of the auxiliary rectifier; wherein the starting capacitor is coupled between the first and the second output terminal of the auxiliary rectifier; and wherein there is arranged in parallel with the starting capacitor a series circuit including a first and a second terminal for the LED and an LED switch, wherein the LED switch has a control electrode, an operating electrode and a reference electrode. | 07-01-2010 |
| 20100201285 | CIRCUIT ARRANGEMENT FOR CONVERSION OF AN INPUT AC VOLTAGE TO A DC VOLTAGE, RETROFIT LAMP HAVING A CIRCUIT ARRANGEMENT SUCH AS THIS, AS WELL AS A LIGHTING SYSTEM - A circuit arrangement for conversion of an input AC voltage to a DC voltage is provided. The circuit arrangement may include an input into which the input AC voltage is input; an output to which a load can be connected; and a first storage circuit and a second storage circuit, each storage circuit comprising at least one inductance and each comprising at least one capacitance, and a diode network. | 08-12-2010 |
| 20100264851 | Control of Illumination Devices - A switch for generating short-term supply-line interruptions during switching-on with contact elements ( | 10-21-2010 |