US 11,731,554 B2
Vehicle departure notification display device
Kiyotaka Mochizuki, Shizuoka (JP); Naoki Tatara, Shizuoka (JP); and Norihiko Kobayashi, Shizuoka (JP)
Assigned to KOITO MANUFACTURING CO., LTD., Tokyo (JP)
Appl. No. 17/281,103
Filed by KOITO MANUFACTURING CO., LTD., Tokyo (JP)
PCT Filed Sep. 26, 2019, PCT No. PCT/JP2019/037897
§ 371(c)(1), (2) Date Mar. 29, 2021,
PCT Pub. No. WO2020/067305, PCT Pub. Date Apr. 2, 2020.
Claims priority of application No. 2018-184491 (JP), filed on Sep. 28, 2018; and application No. 2019-166526 (JP), filed on Sep. 12, 2019.
Prior Publication US 2022/0219599 A1, Jul. 14, 2022
Int. Cl. B60Q 1/34 (2006.01); B60Q 1/50 (2006.01)
CPC B60Q 1/346 (2013.01) [B60Q 1/50 (2013.01); B60Q 2400/50 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A vehicle departure notification display device comprising:
a road surface rendering unit mounted on a vehicle and configured to render a departure notification display having a predetermined shape onto a road surface in a traveling direction of the vehicle by light; and
a control unit configured to determine whether a departure notification display is necessary in departure of the vehicle and configured to control the road surface rendering unit to render a departure notification display in a necessity determination and control the road surface rendering unit again to stop a departure notification display in a notification stop determination for the rendered departure notification display,
wherein the control unit regards detection of switching information indicating that a brake of the vehicle is switched from ON to OFF as the necessity determination for the departure notification display and controls the road surface rendering unit to render a departure notification display, and
wherein the control unit regards the detection of the switching information indicating that the brake is switched from ON to OFF after detection of an unnecessary target detected by an unnecessary target detection unit configured to detect an unnecessary target for a departure notification display as an unnecessary determination for a departure notification display and controls the road surface rendering unit not to render a departure notification display based on the detection of the unnecessary target.