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:
Jul. 02, 2002
Filed:
Aug. 22, 2000
Applicant:
Inventors:
Assignee:
Konica Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G01N 2/100 ;
U.S. Cl.
CPC ...
G01N 2/100 ;
Abstract
A surface displacement detecting apparatus for detecting a concave, a hole on a surface of a detection object, comprises a light shielding device provided in a direction crossing the surface of the detection object, a light irradiating device provided at one side of the light shielding device and to irradiate the detection object with light; a light receiving device provided at the other side of the light shielding device and to receive at least one of regular reflection light and diffuse reflection light from the surface of the detection object; and a conveyor to convey at least one of the detection object and the light irradiating device.