| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication device of a bus without a conductor for allowing a passenger to easily acquire required information in a car of the bus without a conductor. SOLUTION: This car inside communication device of the bus without a conductor connects a master machine 20 arranged in the car of the bus 10 and a plurality of slave machines 30 dispersively arranged in respective places in the car by radiocommunication, and connects the master machine to car outside communication machines by rediocommunication, and is composed of the master machine 20 for transmitting distribution data to the slave machines 30 by forming the distribution data suitable for the slave machines 30 from acquired data or possessing data by acquiring required data from the car outside communication devices 40 and 50, and the slave machines 30 for displaying or announcing data by receiving the data transmitted from the master machine 20 by transmitting alighting sign data or information request data to the master machine 20. COPYRIGHT: (C)2003,JPO
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