Patent ID: 7526316

Claim:
A mobile phone having a function to remotely operate an information device, comprising: a communication unit configured to receive information displayed on the information device; a display device displaying a part of the information; a plurality of operation buttons each inputting an operation signal; a display control unit configured to divide a screen of the display device into a plurality of cells, to display a grid line representing a boundary of each cell on the screen, and to display a cursor on the screen, the cursor overlapping the part of the information; and an operation control unit configured to move the cursor to one of the cells of the screen in response to the operation signal, wherein the plurality of operation buttons includes first buttons of nine units arranged on lattices of three lines and three rows, and a second button of one unit, wherein, in response to a push of the second button, said display control unit displays a first grid line dividing the screen into first cells of nine units of three lines and three rows, and the cursor located in one of the first cells, wherein, in response to a first push of one of the first buttons, said operation control unit moves the cursor into one first cell corresponding to the first button of the first push, and said display control unit displays a second grid line dividing the one first cell into second cells of nine units of three lines and three rows, wherein, in response to a second push of one of the first buttons, said operation control unit moves the cursor into one second cell corresponding to the first button of the second push, and said display control unit clears the first and second grid lines.