SURFACE INSPECTING APPARATUS

Patent №

US 5,963,328

Granted

1999-10-05

Filed 1998

Owner

NISSAN MOTOR CO., LTD.

Lab

AI components

1

vision

Assignment

Recorded

Dataset

AIPD

2023_r1 edition

Application

09143522

A surface inspecting apparatus includes linear light sources 11, 13 for emitting illumination light toward a surface of a body panel 10 to be inspected, CCD cameras 12, 14 for imaging the surface and forming its illuminated images on the basis of reflection light from the surface, and an inspecting unit for detecting a defect existing on the surface on a basis of the illuminated image and outputting detected information about the defect. In the arrangement, the sources 11, 13 are arranged so as to obliquely emit the illumination light toward the surface at incident angles .alpha. from 80 to 90 degrees. While, the cameras 12, 14 are arranged so as to receive diffused reflection light of the illumination light reflected by the surface at reflection angles .beta. each smaller than the incident angle .alpha..

VisionG01B 11/30G01N 21/8806

AI classification

Vision0.95
Planning0.04
Natural language0.00
Evolutionary computation0.00
Machine learning0.00
Speech0.00
Knowledge representation0.00
AI hardware0.00

Ownership

NISSAN MOTOR CO., LTD.

assignment · 95780369

Assignors

YOSHIDA, KIYOSHI, USUI, YOSHITAKA, TSUBAKI, NORIKAZU

On an employer assignment, the assignors are typically the inventors.

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