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    • 3. 发明授权
    • Method for controlling volume using a rotating knob interface
    • 使用旋钮接口控制音量的方法
    • US09112466B1
    • 2015-08-18
    • US13493182
    • 2012-06-11
    • Eugene KohJoe Freeman Britt, Jr.
    • Eugene KohJoe Freeman Britt, Jr.
    • H03G3/00H03G3/02
    • H03G3/02H03G3/04
    • A system and method for controlling the volume output of speakers comprising outputting a varying volume control signal in response to movement of a volume control element. In response to the volume control signal, increasing a volume level of a speaker in a linear correlation with the movement of the volume control element as the volume control element is moved between a first position and a second position. In response to the volume control element moving beyond the second position, increasing the volume level of the speaker to increase asymptotically as the volume control element is moved beyond the second position. Additionally, a visual indicator, such as LED lights, provides an interesting and informative display as the volume level is changed.
    • 用于控制扬声器的音量输出的系统和方法,包括响应于音量控制元件的移动而输出变化音量控制信号。 响应于音量控制信号,当音量控制元件在第一位置和第二位置之间移动时,扬声器的音量水平与音量控制元件的运动呈线性相关。 响应于音量控制元件移动超过第二位置,当音量控制元件移动超过第二位置时,增加扬声器的音量水平渐近地增加。 另外,诸如LED灯之类的视觉指示器随着音量的变化而提供了一个有趣的信息显示。