US 11,890,983 B2
Optical axis adjustment device
Kentarou Yamasaki, Tokyo (JP); and Noriaki Asano, Tokyo (JP)
Assigned to SUBARU CORPORATION, Tokyo (JP)
Filed by SUBARU CORPORATION, Tokyo (JP)
Filed on Sep. 19, 2022, as Appl. No. 17/947,476.
Claims priority of application No. 2021-159756 (JP), filed on Sep. 29, 2021.
Prior Publication US 2023/0103077 A1, Mar. 30, 2023
Int. Cl. B60Q 1/06 (2006.01); B60Q 1/08 (2006.01)
CPC B60Q 1/06 (2013.01) [B60Q 1/08 (2013.01); B60Q 2300/05 (2013.01)] 4 Claims
OG exemplary drawing
 
1. An optical axis adjustment device for a headlamp unit to be mounted in a vehicle, the optical axis adjustment device being configured to adjust an optical axis of the headlamp unit, the optical axis adjustment device comprising:
an engine temperature acquirer configured to acquire a temperature in an engine compartment of the vehicle;
a displacement amount calculator configured to calculate a displacement amount of the optical axis on a basis of the temperature; and
an optical axis adjuster configured to adjust the optical axis of the headlamp unit on a basis of the displacement amount.