| 摘要 |
ABSTRUCT OF THE INVENTION: A signal distinction circuit comprising a noise detector for detecting a noise included in a received signal; and a maintaining circuit for maintaining the condition of a signal outputted from a detector for detecting a discrimination signal according to a signal outputted from the noise detector so that since the noise detector and the maintaining circuit prevent the condition of a signal outputted from the distinction circuit from being changed when an interference such as a multipath interference occurs, an output corresponding to a received signal can be reliably obtained.
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