Patent ID: 7657280

Claim:
A wireless signal receiving apparatus, for receiving a wireless signal, comprising: a main body, comprising a signal processing module installed in a housing of the main body for processing the wireless signal; and a clamping device, fixedly coupled to the housing, for providing a force in order to fix an object between the housing and the clamping device, thereby clamping the wireless signal receiving apparatus upon the object, wherein an external top surface of the housing holds a set of operating interfaces, an external bottom surface of the housing is connected to the clamping device, the set of operating interfaces comprises: an activation control interface, for selectively activating the wireless signal receiving apparatus; a volume control interface, for controlling an output volume of the wireless signal receiving apparatus; and an output display interface, for displaying an operating status of the wireless signal receiving apparatus; and the clamping device comprises: an axis; a clip, rotatably coupled to the axis; and a leaf spring, wherein a terminal of the leaf spring is fixedly coupled to the housing, and the other terminal of the leaf spring is for providing a force to the clip for fixing the object between the housing and the clip.