| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication distance determination system, relative position determination system, transmitter and receiver using the same, communication distance determination method and relative distance determination method, capable of determining the size of a distance between a transmitter and a receiver capable of performing radio communication.SOLUTION: The relative distance determination system of an embodiment includes a transmitter, a plurality of receivers and a relative position determination apparatus. The transmitter sequentially transmits radio signals with a plurality of different arrival distances when a signal transmission instruction is input. The plurality of receivers receive radio signals transmitted from the transmitter. The relative distance determination apparatus determines the nearest receiver to the transmitter on the basis of radio signals received by each of the receivers.SELECTED DRAWING: Figure 1 |
