| 摘要 |
<p>PROBLEM TO BE SOLVED: To accurately perform voice guide to the passer-by of a ticket checking passage with loud noise and a crush. SOLUTION: Prescribed voice guide is performed to the passer-by passing through the ticket checking passage P in the main body G of an automatic ticket checker from speakers 4a-4c which are arranged in the main body G of the checker in the automatic ticket checker. The checker consists of man detecting means S and S' for detecting a passer-by's position in the ticket checking passage P, the speakers 4a-4c arranged at prescribed interval along the direction of the passage P and a volume adjusting means for adjusting volume to permit the speaker being closest to the detected passer-by to issue the largest voice.</p> |
