Patent ID: 6965829

Claim:
An on-vehicle electronic apparatus comprising: a wireless communication unit that makes a wireless communication via a wireless LAN; means for acquiring travel information from vehicles around a self vehicle using the wireless communication unit, and means for taking a collision avoidance measure on the basis of the acquired travel information, wherein the means for acquiring travel information comprises: means for acquiring position information and velocity information indicating positions and velocities of vehicles before and after the self vehicle using the wireless communication unit; and means for calculating inter-vehicle distances between the self vehicle and the vehicles before and after the self vehicle with reference to map information on the basis of the acquired position information and velocity information, and wherein the means for taking the collision avoidance measure takes the collision avoidance measure when the calculated inter-vehicle distances are not more than a predetermined distance, and the velocities of the self vehicle and the vehicles before and after the self vehicle are not less than a predetermined velocity.