Signal transmission method between aerial cable mobile machine and receiver
专利汇可以提供Signal transmission method between aerial cable mobile machine and receiver专利检索，专利查询，专利分析的服务。并且PURPOSE: To conduct a safe and secure monitoring by equipping a main mobile machine carrying a monitoring apparatus and traveling on an aerial cable with a wireless machine and by providing relay mobile machines to send a signal to and receive it from a surface receiver by wireless.
CONSTITUTION: A command is given from a surface receiver 3 so that a main mobile machine 1 and relay mobile machines 2A, 2B travel at given spaces on an aerial cable C. Said main mobile machine 1 carries a TV camera and transmits a picked-up video signal with a radio frequency f
0 . Said relay mobile machines 2A, 2B, which are self-propelled while following the main mobile machine, converts the frequency f
0 into a frequency f
1 and further said frequency f
1 into a frequency f
2 for transmission. The receiver 3 selects a frequency with good reception conditions out of frequencies f
0 ∼f
2 to inspect an aerial wire according to a sent TV image. In this manner, monitoring is conducted safely and securely.
COPYRIGHT: (C)1989,JPO&Japio，下面是Signal transmission method between aerial cable mobile machine and receiver专利的具体信息内容。
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