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    • 87. 发明申请
    • Plasma television and power supply circuit
    • 等离子电视和电源电路
    • US20080068367A1
    • 2008-03-20
    • US11901429
    • 2007-09-17
    • Takahiro Ogawa
    • Takahiro Ogawa
    • G09G5/00
    • H02M3/33523G09G3/296G09G2330/026G09G2330/028
    • The present invention discloses a power supply circuit initiating an oscillation on a primary side of the power supply circuit upon receipt of a startup signal, comprising: a detecting module receiving an output voltage from the power supply circuit for detecting whether the output voltage is below a predetermined voltage; a power supply switching module turning OFF a main power supply of the power supply circuit when the detecting module determines the output voltage to be below the predetermined voltage; and a detection invalidating module invalidating the detecting of the detecting module from the receipt of the predetermined startup signal to the output voltage becomes above or equal the predetermined voltage.
    • 本发明公开了一种在接收到启动信号时在电源电路的初级侧启动振荡的电源电路,包括:检测模块,接收来自电源电路的输出电压,用于检测输出电压是否低于 预定电压; 当检测模块确定输出电压低于预定电压时,电源切换模块关闭电源电路的主电源; 检测无效模块使检测模块从接收到预定的启动信号到输出电压的检测无效,变得高于或等于预定电压。