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    Electronic device and control method thereof
    1.
    发明公开
    Electronic device and control method thereof 有权
    电子装置及其控制方法

    公开(公告)号：EP2747280A1

    公开(公告)日：2014-06-25

    申请号：EP13198647.3

    申请日：2013-12-19

    申请人： Samsung Electronics Co., Ltd

    发明人： Lee, Jae-cheol ,  Kinm, Byung-soo ,  Youn, Joo-moon ,  Cho, Kee-yeong

    IPC分类号： H03F3/181 ,  H03F3/20 ,  H03F5/00

    CPC分类号： H03F3/02 ,  H03F3/181 ,  H03F3/20 ,  H03F5/00

    摘要： An electronic device includes an amplifier which is configured to amplify a sound signal and includes a vacuum tube including a heater configured to heat the vacuum tube; a voltage supply which is configured to supply a first voltage and a second voltage which is higher than the first voltage; and a controller which is configured to control the voltage supply to supply the second voltage to the heater in response to supply of a drive voltage to the amplifier being started and to supply the first voltage to the heater if the vacuum tube reaches a predetermined temperature.

    摘要翻译： 一种电子设备，包括：放大器，被配置为放大声音信号并且包括真空管，该真空管包括被配置为加热真空管的加热器; 电压源，被配置为提供第一电压和高于第一电压的第二电压; 以及控制器，被配置为响应于向正在开始的放大器提供驱动电压而控制电压供应以将第二电压提供给加热器，并且如果真空管达到预定温度则向加热器提供第一电压。