Patent ID: 8970494
Filing Date: 2015-03-03
Classification: G06F

Abstract:
1. A portable electronic device, comprising: a first input/output unit formed on a front side of the portable electronic device; a second input/output unit formed on a rear side of the portable electronic device; a camera sensor formed on at least one of the front side and the rear side, and configured to sense a user; a main setting unit configured to: determine one of the first input/output unit and the second input/output unit as a main input/output unit based on a result of the sense, wherein a side comprising the main input/output unit corresponds to a side facing the user among the front side and the rear side; and set another one different from the one of the first input/output unit and the second input/output unit as a sub input/output unit for receiving user input associated with contents output on the main input/output unit, wherein the contents output on the main input/output unit are controlled based on the user input received via the sub input/output unit.