Title:
VEHICLE LAMP FITTING AND ROAD SURFACE STATE DETECTION SYSTEM
Document Type and Number:
Japanese Patent JP2020177854
Kind Code:
A
Abstract:
To provide a vehicle lamp fitting which prevents measurement light from being visually recognized by a driver even if visible light is used as the measurement light.SOLUTION: A vehicle lamp fitting 1 radiates measurement light L2, forming a light distribution pattern for detection of a road surface state, to a road surface R separately from illumination light L1 radiated to an area in front of a vehicle B. The vehicle lamp fitting 1 includes a light source unit which emits at least visible light that serves as the measurement light L2. The light source unit emits the measurement light L2 in at least a cycle such that the measurement light L2 is not visually recognized by a driver.SELECTED DRAWING: Figure 1
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Inventors:
KAMBE YUTO
HOSHINO SHINYA
HOSHINO SHINYA
Application Number:
JP2019080771A
Publication Date:
October 29, 2020
Filing Date:
April 22, 2019
Export Citation:
Assignee:
STANLEY ELECTRIC CO LTD
International Classes:
F21V9/32; F21V33/00; F21V14/04; G01B11/25; G01S7/481; G01V8/10; G08G1/00
Attorney, Agent or Firm:
Sumio Tanai
Yasushi Matsunuma
Matsumoto
Junichi Kobayashi
Yasushi Matsunuma
Matsumoto
Junichi Kobayashi