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    • 1. 发明授权
    • Circuit arrangement for operation of discharge lamps, and method for operation of discharge lamps
    • 放电灯操作的电路布置及放电灯的操作方法
    • US07994734B2
    • 2011-08-09
    • US12519122
    • 2006-12-13
    • Christian BreuerMartin BrückelAndreas HuberHenning RehnBernhard Reiter
    • Christian BreuerMartin BrückelAndreas HuberHenning RehnBernhard Reiter
    • G05F1/00
    • H05B41/2928Y02B20/208
    • A circuit arrangement for operating a discharge lamp, wherein the circuit arrangement comprises a commutation device, which has an input which is coupled to a DC source, and has an output which can be coupled to a discharge lamp. The commutation device is designed in such a way that it couples the DC source to the output, and the polarity at which the DC source is coupled to the output can be commutated by a control device. The control device has a sync input, and the polarity of the DC source is commutated in synchronism with sync pulses of a sync signal which can be applied at the sync input. The control device has a measuring input, which is coupled to a measuring device which is designed to provide a measured value which is a measure of the size of electrode peaks. The control device suppresses at least one commutation if the measured value overshoots or undershoots a predetermined threshold value.
    • 一种用于操作放电灯的电路装置,其中电路装置包括一个换向装置,该换向装置具有耦合到直流电源的输入端,并且具有可与放电灯耦合的输出端。 换向装置被设计为使得DC源耦合到输出,并且DC源耦合到输出的极性可以由控制装置换向。 控制装置具有同步输入,并且DC源的极性与可以在同步输入端施加的同步信号的同步脉冲同步地换向。 控制装置具有测量输入,该测量输入耦合到测量装置,该测量装置被设计成提供作为电极峰值尺寸的量度的测量值。 如果测量值超过或低于预定阈值,则控制装置抑制至少一个换向。
    • 5. 发明申请
    • PROJECTOR FOR PROJECTING AN IMAGE AND CORRESPONDING METHOD
    • 用于投影图像和相关方法的投影仪
    • US20100302516A1
    • 2010-12-02
    • US12735545
    • 2008-02-25
    • Henning Rehn
    • Henning Rehn
    • G03B21/28
    • G03B21/28G02B17/0615
    • The invention relates to a projector (1) for projecting an image (6), comprising: a light source (2) for generating a light bundle (12); a pivotable deflection unit (3) designed for deflecting the light bundle (12) generated by the light source (2) onto a projection surface (5); and an imaging device (7, 8, 9) for imaging an aperture of the deflection unit (3) onto the projection surface (5); wherein the imaging device (7, 8, 9) comprises a mirror objective (7) having at least two mirror elements (8, 9). The invention further relates to a corresponding method.
    • 本发明涉及一种用于投影图像(6)的投影仪(1),包括:用于产生光束(12)的光源(2); 设置用于将由光源(2)产生的光束(12)偏转到投影表面(5)上的可枢转偏转单元(3); 以及用于将所述偏转单元(3)的孔成像到所述投影表面(5)上的成像装置(7,8,9)。 其中所述成像装置(7,8,9)包括具有至少两个镜元件(8,9)的镜面物镜(7)。 本发明还涉及相应的方法。