The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 13, 2018
Filed:
Aug. 04, 2015
Machine Vision Lighting Inc., Tokyo, JP;
Shigeki Masumura, Tokyo, JP;
Machine Vision Lighting Inc., Tokyo, JP;
Abstract
In the inspection lighting device, between a surface light source for emitting an inspection light and the inspection object, at least one shielding mask is disposed, and a lens is disposed on a side closer to the inspection object than the shielding mask such that the shielding mask is positioned across the focus position of this lens as a center. In an irradiation solid angle of the inspection light for the inspection object formed when the light emitted from the surface light source is irradiated on to the inspection object by the lens the shielding mask forms a dark area. So that, in accordance with a change in reflection, transmission, scattering occurring at a feature point on the inspection object, a shape, a size, a tilt of the irradiation solid angle of the inspection light can be changed.