Patent ID: 8150079
Filing Date: 2012-04-03
Classification: H04M

Abstract:
1. A personal digital assistant provided with a display section housing having a display means and an operation section housing having a key input means connected by a rotatable hinge means, wherein the display section housing rotates relative to the operation section housing with the rotatable hinge means providing a central rotational axis, comprising: a plurality of speakers arranged surrounding the display means; a detection means for detecting an arbitrary position of the display section housing; a speaker identifier means for identifying a speaker situated on a leftmost side relative to a display image displayed on the display means and a speaker situated on a rightmost side relative to the display image displayed on the display means among said plural speakers based on the position of the display section housing detected by the detection means, the leftmost and rightmost sides being identified on a two-dimensional plane including the arbitrary position of the display section; and a sound reproduction control means for reproducing stereo sound with the speaker situated on the leftmost side and the speaker situated on the rightmost side identified by the speaker identifier means; wherein the speaker identifier means identifies the speaker situated on the leftmost side and the speaker situated on the rightmost side based on a current position of the display section and an immediately previous position of the display section detected by the detection means.