| 摘要 |
PROBLEM TO BE SOLVED: To provide a vehicle information transmitter which makes a loop-back transmission line unnecessary. SOLUTION: Vehicle information of a car of one other number by an information reception means for other-number vehicle 12 is received from a transmission line 8a, vehicle information of a car of its own number is added, and the vehicle information is transmitted to a transmission line 8b by an information transmission means for its own number vehicle 13. On the other hand, the vehicle information is received from a transmission line 9a by an information reception means 15 for other-number vehicle, the vehicle information of its own number vehicle is added by an information transmission means 16 for its own number vehicle, and the vehicle information is transmitted to the transmission line 9b. At the same time, reception detection means 11 and 14 are connected to the transmission lines 8a and 9a, respectively, reception from other-number vehicle is detected and, when there is no reception, the vehicle information of its own vehicle is periodically transmitted by the information transmission means 13 and 16 for its own-number vehicle.
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