Title:
OPTICAL AXIS ADJUSTMENT SUPPORT DEVICE AND OPTICAL AXIS ADJUSTMENT METHOD FOR HEADLIGHT OF RAILROAD VEHICLE
Document Type and Number:
Japanese Patent JP2018004288
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an optical axis adjustment support device and an optical axis adjustment method for headlights of a railroad vehicle that need not to secure a wide space in front of the railroad vehicle and can make accurate optical axis adjustments with small variance.SOLUTION: An optical axis adjustment support device comprises: a photographic part (11) for acquiring an image; a fixture (14) capable of fixing a support frame supporting the photographic part to the front of a railroad vehicle having a headlight; a diffusion plate 30 supported by the support frame and diffusing emitted light; and a calculation part which calculates a deviation quantity of the optical axis of the headlight based upon the image, acquired by the photographic part, of the diffusion plate on which the light of the headlight (101) is projected. An optical axis adjustment method comprises adjusting the optical axis based upon the calculation result of the calculation part by using the optical axis adjustment support device.SELECTED DRAWING: Figure 6
Inventors:
SAITO NORIYOSHI
KURIOKA KATSU
SUMIYA YOHEI
UCHIYAMA TOMOHIRO
KODAIRA YASUHIRO
KURIOKA KATSU
SUMIYA YOHEI
UCHIYAMA TOMOHIRO
KODAIRA YASUHIRO
Application Number:
JP2016127134A
Publication Date:
January 11, 2018
Filing Date:
June 28, 2016
Export Citation:
Assignee:
HIGASHI NIPPON RYOKAKU TETSUDO
KOITO ELECTRIC IND LTD
KOITO ELECTRIC IND LTD
International Classes:
G01M11/06; B61D29/00; G01B11/27
Attorney, Agent or Firm:
Gwangyang International Patent Office
Previous Patent: Movable matter object detecting device
Next Patent: Oxygen concentration measuring device
Next Patent: Oxygen concentration measuring device