Invention Grant
US07709726B2 Foot controlled effects knob and related methods 有权
脚控效果旋钮及相关方法

Foot controlled effects knob and related methods
Abstract:
A foot controlled effects knob controls a variable electronic component. A receptacle couples with a spindle of the variable electronic component. One or more wings extend from the receptacle to facilitate control of the spindle, and thus the variable electronic component, by a user's foot.
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