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    • 5. 发明申请
    • APPARATUS AND METHOD FOR AUTOMATICALLY TRIMMING AN OUTPUT PARAMETER OF AN ELECTRONIC BALLAST
    • 用于自动调整电子镇流器输出参数的装置和方法
    • US20090261749A1
    • 2009-10-22
    • US12104789
    • 2008-04-17
    • Kenichi FUKUDAYiyoung SUN
    • Kenichi FUKUDAYiyoung SUN
    • H05B41/36
    • H05B41/2883H05B41/3928Y02B20/202
    • An electronic ballast includes a microprocessor which is programmed to read a voltage value corresponding to an output of the electronic ballast, output a signal which controls an amount of power outputted by the electronic ballast in accordance with the voltage value, read an external voltage value, and select one of a trimming mode and a normal mode as an operating mode based on the external voltage value. The microprocessor is also programmed, when operating in the trimming mode, to set an internal reference value, compare the voltage value corresponding to the output of the electronic ballast with the internal reference value, trim an amount of power outputted by the electronic ballast to a resistor corresponding to an impedance of a High Intensity Discharge lamp by adjusting the signal based upon the comparison, and store a result of the signal adjustment.
    • 电子镇流器包括微处理器,其被编程为读取对应于电子镇流器的输出的电压值,输出根据电压值控制电子镇流器输出的功率量的信号,读取外部电压值, 并且基于外部电压值选择修剪模式和正常模式之一作为操作模式。 微处理器也被编程,当在微调模式下操作时,设置内部参考值,将与电子镇流器的输出相对应的电压值与内部参考值进行比较,将电子镇流器输出的功率量调整为 电阻器,其对应于高强度放电灯的阻抗,通过基于比较调节信号,并存储信号调整的结果。