US Patent 7296234 Electronic device

An electronic device includes a design changing unit, a communication unit and a light emitting unit. The design changing unit changes a color of the background of a control panel to a color selected by a user. The control panel is stored in the electronic device, to be displayed by a controller and to be used to control the electronic device. The communication unit transmits the control panel changed by the design changing unit from the electronic device to the controller so that the electronic device is remotely controllable using the control panel changed by the design changing unit. The light emitting unit emits light of a color the same as a background color of the control panel displayed by the controller and selected by a user.