| 摘要 |
<p>PROBLEM TO BE SOLVED: To securely inform a passenger of a schedule that he is to return to a vehicle by providing a master machine provided with a master transmission/reception means and a slave machine provided with a slave transmission/ reception means, which transmit/receive electromagnetic waves. SOLUTION: The master machine 3 installed near the platform of a sightseeing bus and tags 5 which exchange data with the master machine 3 and which all the passengers possess are provided. A control part 9 having a call function for recognizing the getting on/off of the passengers and a function for transmitting the necessary schedule to the tags 5 which the passengers who get off possess and a master transmission/reception part 11 transmitting/ receiving data with the tags 5 are provided for a device main body 7 constituting the main part of the master machine 3. A slave antenna 23 exchanging data with the master machine 3 and a slave control part 29 having a passenger data transmission function transmitting passenger data to a master machine 3-side, a schedule communication function and a function giving information on the drop of the remaining quantity of a battery are provided for the tag 5. Thus, necessary information can securely be informed to all the passengers.</p> |
