| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a broadcast system in which a dead zone in a service area is reduced by canceling and reducing dead zones in one-segment local services. <P>SOLUTION: The broadcast system performs broadcasting to a specific area while utilizing a part of available transmission frequency bands, which includes a means for simultaneously transmitting a signal of the same contents also in another possible transmission frequency band portion of the available transmission frequency bands. <P>COPYRIGHT: (C)2010,JPO&INPIT |
