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    • 1. 发明授权
    • Method and circuit arrangement for making a lamp wattage available for operating at least one gas discharge lamp
    • 用于使灯功率可用于操作至少一个气体放电灯的方法和电路装置
    • US08492994B2
    • 2013-07-23
    • US13125157
    • 2008-10-22
    • Alois BraunWalter LimmerMaximilian Schmidl
    • Alois BraunWalter LimmerMaximilian Schmidl
    • H05B41/28H05B41/392
    • H05B41/28H05B41/3924
    • A method for making a lamp wattage available for operating at least one gas discharge lamp depending on a dimming signal which is input into a wattage factor correction circuit, having a switch element that is switched on clocked by a switch-on time, wherein the wattage factor correction circuit emits an intermediate circuit voltage which in turn is input into a converter that makes the lamp wattage available, comprising the steps of: in an operating phase in which the dimming signal has no phase leading edge and no phase trailing edge, the wattage factor correction circuit and the converter are regulated independently of each other using a separate regulating circuit in each case; and in an operating phase in which the dimming signal has a phase leading edge or a phase trailing edge, the two independent regulating circuits are coupled to each other via a higher-order third regulating circuit such that the lamp wattage of the converter is adjusted such that the switch-on time of the switch element in the wattage factor correction circuit corresponds to a predetermined time.
    • 一种用于根据输入到功率因数校正电路的调光信号使灯功率可用于操作至少一个气体放电灯的方法,所述调光信号具有接通时间的开关元件,其中瓦特数 因子校正电路发出中间电路电压,该中间电路电压又被输入到使得灯功率可用的转换器中,包括以下步骤:在调光信号没有相位前沿且没有相位后沿的操作阶段中,瓦数 因子校正电路和转换器在每种情况下使用单独的调节电路彼此独立地调节; 并且在调光信号具有相位前沿或相位后沿的操作阶段中,两个独立调节电路经由较高阶的第三调节电路彼此耦合,使得转换器的灯功率被调整为 功率因数校正电路中的开关元件的接通时间对应于预定时间。
    • 4. 发明申请
    • Circuit Arrangement and Method for Operating a High-Pressure Discharge Lamp
    • 高压放电灯操作电路布置及方法
    • US20090295302A1
    • 2009-12-03
    • US12223918
    • 2007-02-08
    • Alois BraunWalter LimmerJoachim Mühlschlegel
    • Alois BraunWalter LimmerJoachim Mühlschlegel
    • H05B41/36
    • H05B41/2883H05B41/2928Y10S315/07
    • A circuit arrangement for operating a high pressure discharge lamp includes a bridge circuit with at least two switches, a control device controlling the switches. The bridge circuit is a half-bridge circuit having exactly two switches. The control device switches on and off in an alternating manner, the first switch and the second switch of the bridge circuit having a first frequency. When the first switch is switched off for controlling the other switch with a rectangular signal of a second frequency which is greater than the first frequency and a predeterminable connection duration. The circuit also includes a tension measuring device measuring an actual value of tension over the high pressure discharge lamp. A reference device provides at least one upper threshold value for the voltage via the high pressure discharge lamp. A comparison device compares the actual voltage over the high pressure discharge lamp with the threshold value.
    • 用于操作高压放电灯的电路装置包括具有至少两个开关的桥接电路,控制开关的控制装置。 桥接电路是具有两个开关的半桥电路。 控制装置交替地接通和断开,桥式电路的第一开关和第二开关具有第一频率。 当第一开关被关闭以用具有大于第一频率的第二频率的矩形信号和可预定的连接持续时间来控制另一个开关时。 电路还包括测量高压放电灯上的张力的实际值的张力测量装置。 参考装置通过高压放电灯为电压提供至少一个上阈值。 比较装置将高压放电灯上的实际电压与阈值进行比较。