Patent ID: 9123248
Filing Date: 2015-09-01
Classification: G08G

Abstract:
1. An alarm device comprising: a first detection unit configured to detect another vehicle approaching from the back right of a self-vehicle; a second detection unit configured to detect another vehicle approaching from the back left of the self-vehicle; an alarm unit configured to activate an alarm for notifying that another vehicle is approaching to a driver of the self-vehicle; and a control unit configured to cause the alarm unit to activate the alarm when the first detection unit or the second detection unit detects another vehicle, wherein the control unit suppresses the activation of the alarm for a second another vehicle when the self-vehicle is reversing from a parked state, in a case where after one of the first detection unit or the second detection unit detects a first another vehicle, another one of the first detection unit or the second detection unit detects the second another vehicle, in a case where a distance difference between a first distance between the first another vehicle and the self-vehicle and a second distance between the second another vehicle and the self-vehicle is less than or equal to a predetermined distance, in a case where a speed difference between a first speed of the first another vehicle and a second speed of the second another vehicle is less than or equal to a predetermined speed, or in a case where a time difference between a first estimated crossing time of the first another vehicle and the self-vehicle and a second estimated crossing time of the second another vehicle and the self-vehicle is less than or equal to a predetermined time.