US 12,459,508 B2
Driver assistance device
Shun Maruyama, Tokyo (JP); Osamu Okada, Tokyo (JP); Atsuhiro Sakaya, Tokyo (JP); and Ryosuke Takimoto, Tokyo (JP)
Assigned to SUBARU CORPORATION, Tokyo (JP)
Filed by SUBARU CORPORATION, Tokyo (JP)
Filed on Mar. 21, 2024, as Appl. No. 18/611,872.
Claims priority of application No. 2023-054937 (JP), filed on Mar. 30, 2023.
Prior Publication US 2024/0326803 A1, Oct. 3, 2024
Int. Cl. B60W 30/14 (2006.01); G01C 21/34 (2006.01)
CPC B60W 30/143 (2013.01) [G01C 21/3461 (2013.01); B60W 2556/65 (2020.02)] 7 Claims
OG exemplary drawing
 
1. A driver assistance device comprising:
a travel route calculator configured to calculate a travel route to a destination set by an occupant of a vehicle;
a danger zone identifier configured to identify a danger zone on the travel route;
an information acquisitor configured to acquire, from at least one preceding vehicle traveling ahead of the vehicle on the travel route, travel information and road surface information at a time when the at least one preceding vehicle has traveled in the danger zone;
a speed determiner configured to determine, based on the travel information and the road surface information, a safe-travel speed at which the vehicle can travel in the danger zone safely; and
a speed controller configured to control, based on the safe-travel speed, a travel speed of the vehicle when the vehicle travels in the danger zone.