US Patent 7394455 Electronic device

A display unit which is electronically connected to a body to display data, and has an antenna electronically connected thereto for transferring data. The body has a first element, a second element, an index unit and an intermediate element. The second element is coupled to the first element along a first axis, and the index unit is coupled to the second element along a second axis through the intermediate element and electronically connected to the display unit. The index unit is electronically connected to the display unit and provides a first index port and a second index port, allowing different function modes, respectively.