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    • 9. 发明申请
    • INDUCTIVELY-POWERED GAS DISCHARGE LAMP CIRCUIT
    • 电感式放电灯电路
    • WO2008084358A1
    • 2008-07-17
    • PCT/IB2007/055300
    • 2007-12-21
    • ACCESS BUSINESS GROUP INTERNATIONAL LLCBAARMAN, David W.MOLLEMA, Scott A.STODDARD, Ronald L.SCHWANNECKE, Joshua K.
    • BAARMAN, David W.MOLLEMA, Scott A.STODDARD, Ronald L.SCHWANNECKE, Joshua K.
    • H05B41/295
    • H05B41/295
    • An inductively powered gas discharge lamp assembly having a secondary circuit with starter circuitry that provides pre-heating when power is supplied to the secondary circuit at a pre-heat frequency and that provides normal operation when power is supplied to the secondary circuit at an operating frequency. In one embodiment, the starter circuitry includes a pre-heat capacitor connected between the lamp electrodes and an operating capacitor located between the secondary coil and the lamp. The pre-heat capacitor is selected so that the electrical flow path through the pre-heat capacitor has a lesser impedance than the electrical flow path through the gas of the lamp when power is applied to the secondary circuit at the pre-heat frequency, and so that the electrical flow path through the pre-heat capacitor has a greater impedance than the electrical flow path through the gas when power is applied the operating frequency. The primary circuit may include a tank circuit for which the resonant frequency can be adjusted to match the pre-heat frequency and the operating frequency.
    • 一种感应动力气体放电灯组件,其具有具有起动器电路的次级电路,该起动器电路在以预热频率向次级电路供电时提供预热,并且在以工作频率向次级电路供电时提供正常操作 。 在一个实施例中,起动器电路包括连接在灯电极和位于次级线圈和灯之间的工作电容器之间的预热电容器。 选择预热电容器,使得通过预热电容器的电流路径比通过灯的气体的电流路径具有比在预热频率下施加到次级电路的电力时更小的阻抗,以及 使得通过预热电容器的电流通道具有比通过气体的电流路径更大的阻抗,其在施加功率时工作频率。 主电路可以包括谐振频率可以被调节以匹配预热频率和工作频率的振荡电路。