Title:
LIGHT PROJECTION DEVICE, OBJECT DETECTION DEVICE, AND MOVING BODY
Document Type and Number:
Japanese Patent JP2022025315
Kind Code:
A
Abstract:
To enable projection of scanning light at a wide angle when a transmission member is provided.SOLUTION: Disclosed is a light projection device according to an aspect of the present invention, which projects scanning light. The light projection device includes: a light source part for emitting light; an optical scanning part for scanning the light emitted from the light source part in a predetermined scanning direction; and a transmission member which is provided in an optical path of the scanning light by the optical scanning part and transmits the scanning light therethrough. The transmission member includes the scanning curved surface having the curvature in the scanning direction.SELECTED DRAWING: Figure 1
Inventors:
NAKAMURA KENTO
NAKAMURA TADASHI
NAKAMURA TADASHI
Application Number:
JP2020128066A
Publication Date:
February 10, 2022
Filing Date:
July 29, 2020
Export Citation:
Assignee:
RICOH CO LTD
International Classes:
G02B26/10; G01C3/06; G01S7/481
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Tadahiko Ito