| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a highly reliable digital radio microphone system of a transport machine for preventing the problem of crosstalk or suppressing it to a level where there is no practical problem. <P>SOLUTION: The radio microphone system of the transport machine includes a plurality of digital radio receivers 16 and a plurality of digital radio microphones 20. One of the digital radio receiver 16 and the digital radio microphone 20 includes a channel initiative setting section 22 for automatically selecting and setting one type of channel from a plurality of candidate channels, and the other includes a channel follow-up setting section 24 setting the channel by following selection of the channel initiative setting section 22. The channel initiative setting section 22 includes: a channel initializing section 26 selecting the channel at random and setting it as an initial channel; a channel automatic changing section 30 selecting and setting the other channel when a communication quality determining section 28 determines that communication quality is out of prescribed reference; and a setting channel transmitting section 32. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
