| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a television broadcast receiver capable of preventing the occurrence of frequent switching between analog TV broadcasting and digital TV broadcasting to the utmost extent when a mobile body exists in an area wherein the reception quality of a digital TV signal is around a prescribed level or the reception quality of the digital TV signal varies around the prescribed level under an unstable weather. <P>SOLUTION: The television broadcast receiver includes an output switching means that switches an output to an external device to analog television broadcast when a reception state of digital television broadcast satisfies a first condition and switches an output to the external device to digital television broadcast when the reception state of digital television broadcast satisfies a second condition; and a first condition revision means that revises the first condition so as to be easily satisfied when the reception state of the digital television broadcast satisfies the first condition. <P>COPYRIGHT: (C)2007,JPO&INPIT |
