| 摘要 |
PROBLEM TO BE SOLVED: To provide a video-image and sound system which makes a screen saver prevent a screen of a video-image display and sound output apparatus from burning occurrence useful when a prescribed time operation is not conducted to a video-image and sound signal output apparatus in the case the video-image and sound signal output apparatus and the video-image display and sound output apparatus are connected to an HDMI. SOLUTION: If, for example, 5 minutes has passed since a key operation was detected, a DVD player is moved to a screen saver mode, a Vendor command is transmitted to a television receiving set through a CEC line on an HDMI cable at the same time, and the television receiving set is switched to a state that a television broadcasting image is displayed. Then, when the key operation is conducted, the screen saver mode is canceled. Thus, for example, if an operation is not conducted for 5 minutes, a television program is displayed without displaying a pattern image made by a boring CG. COPYRIGHT: (C)2008,JPO&INPIT
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