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:
May. 31, 2016
Filed:
Feb. 16, 2012
Hiroyuki Yoshida, Kure, JP;
Hiroyuki Yoshida, Kure, JP;
MITUTOYO CORPORATION, Kawasaki-Shi, JP;
Abstract
An image measuring apparatus includes: an imaging device of a rolling shutter type configured to image a work; a position control system configured to output a focusing position as information representing a position in a direction of a focusing axis by controlling an in-focus position of the imaging device; and a computing device configured to calculate, from image information acquired from the imaging device, contrast information corresponding to the image information, wherein the computing device divides an acquired image into a plurality of regions and corrects the contrast information corresponding to the image information based on a position of and the contrast information corresponding to each of the regions.