Patent ID: 6459906
Filing Date: 2002-10-01
Classification: H04N,H04W

Abstract:
A method of controlling an operation mode of a TV phone, where the TV phone includes a TV unit that reproduces and outputs a video signal from a selected channel, a display unit interfacing with said TV unit that displays an inputted video signal while in a TV mode, a MRFU mobile radio frequency unit that receives data of a forward channel transmitted from a base station, a MSP mobile station processor that provides a channel selection signal to said TV unit and transmits and receives voice and character signals by controlling said MRFU and generates a display control signal responsive to an incoming character message, an OSD on screen display that generates a video signal corresponding to the display control signal received at an input of said OSD and provides said generated video signal to said display unit, the method of controlling the operation mode of the TV phone comprising the steps of:receiving a character message transmitted from the base station through the forward channel when the video signal generated by the TV unit is displayed on a screen in said display unit during the TV mode; and displaying a video signal of the OSD corresponding to the first line in the received character message on a portion of the screen of the display unit, the other portions of the screen displaying the respective portion of the video signal generated by the TV unit.