| 摘要 |
PROBLEM TO BE SOLVED: To operate multiple screens without the need of special buttons or knowledge since the user of digital broadcasting is used to a selection method by a color key. SOLUTION: In the multiple screens, one of the colors of red, blue, green and yellow is attached to the edge of the respective screens. In the case of performing an operation by a remote controller, by pressing the keys of a channel and volume, etc., after pressing the color key corresponding to each screen, the screen is easily selected. COPYRIGHT: (C)2005,JPO&NCIPI
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