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    • 8. 发明授权
    • On-vehicle electronic apparatus
    • 车载电子仪器
    • US06965829B2
    • 2005-11-15
    • US10632841
    • 2003-08-04
    • Shinji YamadajiMitsuaki MoritaniKosei OkamotoHideyuki Toma
    • Shinji YamadajiMitsuaki MoritaniKosei OkamotoHideyuki Toma
    • G01C21/00G08G1/00G08G1/09G08G1/0969G08G1/16H04B7/26H04Q7/34G06F17/10
    • G08G1/161
    • This invention provides an on-vehicle electronic apparatus, which has a wireless communication unit which makes a wireless communication via a wireless LAN, means for acquiring position information and velocity information of vehicles before and after the self vehicle using the wireless communication unit, means for calculating the 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 means for, when the calculated inter-vehicle distances are equal to or smaller than a predetermined distance and the velocities of the self vehicle and the vehicles before and after the self vehicle are equal to or higher than a predetermined velocity, taking a collision avoidance measure.
    • 本发明提供了一种车载电子设备,其具有通过无线LAN进行无线通信的无线通信单元,用于获取车辆在使用无线通信单元的自车之前和之后的位置信息和速度信息的装置, 根据获取的位置信息和速度信息,参照地图信息,计算自身车辆与自行车前后的车辆间的距离,以及当计算出的车间距离相等时的装置 达到或小于预定距离,并且自车辆之前和之后的自车辆和车辆的速度等于或高于预定速度,采取防碰撞措施。