Invention Grant
US09479213B2 Control interface for a communication device 有权
通讯设备的控制界面

Control interface for a communication device
Abstract:
A portable radio (100) having a control knob (102) can further enable additional radio control functions through a rapid back and forth bi-directional rotation (202, 204, 206) of the knob (102). No additional buttons or menu features are required.
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