RAILROAD CROSSING ALARM SOUND MONITORING DEVICE

To provide a railroad crossing alarm sound monitoring device which can detect an alarm sound accurately with a simple circuit configuration.SOLUTION: A railroad crossing alarm sound monitoring device 1 comprises: a differential half wave AMP 22 to which an acoustic pressure signal is inputted from a...

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Bibliographische Detailangaben
Hauptverfasser:	MATSUZAWA MASAHARU, ITANI TAMON, YAMANAKA HIDEMI, TANAKA TATSUYA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ENSURING THE SAFETY OF RAILWAY TRAFFIC GUIDING RAILWAY TRAFFIC PERFORMING OPERATIONS RAILWAYS TRANSPORTING
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