| 摘要 |
PROBLEM TO BE SOLVED: To execute operation support by using an ID tag mounted on a vehicle component. SOLUTION: This simple radar system using an ID tag is constructed of a transmitting means which transmits a predetermined frequency to the other vehicle or a roadside, a receiving means which receives a response signal from an ID tag arranged at the other vehicle or the roadside which has received the predetermined frequency, a distance calculating means which calculates a distance between the transmitting means and the ID tag from a difference between the transmitting time of the high frequency and the receiving time of the response signal and a warning means which draws attention from the driver of his or her own vehicle when the distance calculation result is not more than a predetermined distance. COPYRIGHT: (C)2005,JPO&NCIPI
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