Patent ID: 7187958

Claim:
A folding mobile communications apparatus having a first housing, a second housing, and a hinge for connecting the first housing and the second housing as rotatable in a open-and-close state, comprising: a transmitter/receiver which is provided at an end portion opposite the hinge on a first inner surface of the first housing and has two functions of a receiver and a transmitter, and is able to switch the functions; a first microphone which is provided at the hinge and has at least a function of a receiver; a second microphone which is provided at another end portion opposite the hinge on a second inner surface of the second housing and has a function of a transmitter; a detection unit which detects a relative position between the first housing and the second housing; and a control unit which controls a transmitter/receiver and a microphone selected from among said transmitter/receiver, first microphone, and second microphone based on relative positions detected by said detection unit to function as at least one set of a receiver and a transmitter, wherein said control unit controls: said transmitter/receiver to function as a receiver and said second microphone to function as a transmitter when the first and second inner surfaces are detected, as the relative positions, as being exposed to outside by opening the first and second housings, and said first microphone to function as a receiver and said transmitter/receiver to function as a transmitter when the first and second housings are detected, as the relative positions, as being closed such that the first inner surface of the first housing is exposed to the outside and the first inner surface of the second housing is substantially hidden from the outside.