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.

Date of Patent:
Sep. 17, 2013

Filed:

Apr. 21, 2011
Applicants:

Tsukasa Kojima, Sapporo, JP;

Kozo Ariga, Tokyo, JP;

Jyota Miyakura, Chiba, JP;

Inventors:

Tsukasa Kojima, Sapporo, JP;

Kozo Ariga, Tokyo, JP;

Jyota Miyakura, Chiba, JP;

Assignee:

Mitutoyo Corporation, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/48 (2006.01);
U.S. Cl.
CPC ...
Abstract

A data memory storing Gerber data containing closed area information of a work; a display displaying a pattern image based on the closed area information of the Gerber data; a detection specification information display program displaying on the display a detection tool specifying a location of edge to be detected, a detection direction and detection length, by superimposing on the pattern image; an image capturing program and an image capturer capturing an image of an area corresponding to the detection tool of the work; an edge detection program performing an edge detection of the location of the edge to be detected with respect to data of a captured image; and a condition determination program determining a light-dark change condition indicating whether an image is changing from a light section to a dark section or from a dark section to a light section along a detection direction.


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