Patent ID: 8355763

Claim:
A portable radiotelephone comprising: a first housing having at least a display section and a speaker section having a first mode of operation and a second mode of operation wherein said speaker section further comprises a first speaker provided at one end of a front face of and in a longitudinal direction of said first housing and a second speaker provided at the other end of the front face of and in a longitudinal direction of said first housing; a second housing having at least a main operation section and a microphone; at least one auxiliary operation section comprising a switch moveable in at least three directions, each movement of said switch used to operate the portable radiotelephone; wherein both of said housings are openably and closably coupled together so that said main operation section is covered with said first housing in a closed state and is exposed outside in an opened state, and said display section and said first speaker and said second speaker are exposed outside in both of the closed state and the opened state, and wherein the microphone is provided at one end of the second housing closer to said second speaker than said first speaker in the closed state and wherein a gain of said microphone is automatically adjusted in the closed state and the opened state; and a communication control section for enabling a communication and operating said speaker section in said first mode of operation in the closed state, and switching said speaker section from said first mode of operation to said second mode of operation when said housings are brought into the opened state from the closed state while the communication is in progress, wherein in said first mode of operation, said communication control section controls said first speaker to function as a receiver and disables said second speaker, and in said second mode of operation, said communication control section controls one of said first and second speakers that is arranged in a position further from said microphone in the opened state to function as a receiver and disables another one of said first and second speakers that is arranged in a position closer to said microphone in the opened state; and wherein said auxiliary operation section is used to operate the portable radiotelephone in the closed state.