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. 10, 2012
Filed:
Dec. 04, 2008
Takuya Moriyama, Tokyo, JP;
Nobuo Kochi, Tokyo, JP;
Takuya Moriyama, Tokyo, JP;
Nobuo Kochi, Tokyo, JP;
Topcon Corporation, Tokyo, JP;
Abstract
To provide a color-coded target having a color code of colors chosen not to cause code reading errors and technique for automatically detecting and processing the targets. The color-coded target CTof this invention includes, on its surface: a position detecting pattern Pindicating a position to be measured; a reference color pattern Phaving a plurality of unit areas tinted in different colors for use as color references; and a color code pattern Phaving a plurality of unit areas tinted in different colors for discriminating the targets. The colors of the color code pattern Pare chosen so that adjacent colors in the HSI color space are different in at least one of hue, saturation, and intensity by a specified value or greater.