Loading patent…
AssigneeMinebea Co., Ltd.
InventorsManfred Schlenk, Robert Weger, Hans Hoffmann, Mykhaylo Raykhman, Michael Herfurth, Martin Feldtkeller
Estimating the term…
A method and a device for controlling gas discharge lamps using a direct current/alternating current inverter (DC/AC inverter) that is operated at a predetermined frequency and that generates an AC output voltage U for operating the gas discharge lamps from a DC input voltage which has a residual ripple. The DC/AC inverter is operated in zero voltage switching (ZVS) mode, wherein the DC input voltage is used as the control variable for the lamp current IL, wherein fluctuations in the lamp current IL caused by the residual ripple of the DC input voltage are compensated by a variation in the switch-on times and/or switch-off times of the switching elements QH, QL of the DC/AC inverter.
A method for controlling gas discharge lamps (6) using a direct current/alternating current inverter (DC/AC inverter) (3) that is operated at a predetermined frequency and that generates an AC output voltage U for operating the gas discharge lamps from a DC input voltage which has a residual ripple,
A device for controlling gas discharge lamps (6) that comprises a direct current/alternating current inverter (DC/AC inverter) (3) which is operated at a predetermined frequency and that generates an AC output voltage U for operating the gas discharge lamps from a DC input voltage which has a residual ripple,
Dependencies are inferred from the claim text.