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    • 1. 发明申请
    • BALLAST CIRCUIT
    • 镇流器电路
    • US20090243508A1
    • 2009-10-01
    • US12256926
    • 2008-10-23
    • YUAN-YUAN ZHONGWei-Qiang ZhangJian-Ping Ying
    • YUAN-YUAN ZHONGWei-Qiang ZhangJian-Ping Ying
    • H05B41/36
    • H05B41/2827
    • A ballast circuit is provided. The ballast circuit comprises a first lamp set, a second lamp set, a detection circuit, and a latch circuit. The first lamp set comprises a first inductor and a plurality of containing areas. The second lamp set comprises a second inductor and at least one containing area. The detection circuit is configured to receive a direct current (DC) voltage and coupled to the containing areas of the first and second lamp sets so that the detection circuit, the first inductor, the second inductor, and a plurality of lamps contained in the containing areas are in a series connection and generate a first signal. The latch circuit is coupled to the detection circuit and configured to selectively start in response to the first signal.
    • 提供镇流器电路。 镇流器电路包括第一灯组,第二灯组,检测电路和锁存电路。 第一灯组包括第一电感器和多个容纳区域。 第二灯组包括第二电感器和至少一个容纳区域。 检测电路被配置为接收直流(DC)电压并且耦合到第一和第二灯组的容纳区域,使得检测电路,第一电感器,第二电感器和包含在容纳物体中的多个灯 区域是串联连接并产生第一信号。 锁存电路耦合到检测电路并且被配置为响应于第一信号选择性启动。