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:
Apr. 25, 2006
Filed:
Jan. 27, 2004
Applicant:
Tadao Nojiri, Oobu, JP;
Inventor:
Tadao Nojiri, Oobu, JP;
Assignee:
Denso Wave Incorporated, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a two-dimensional code, a plurality of unit cells are arranged in two-dimension. Each of the unit cells indicates one of at least three colors, such as, 'white', 'black', “red”, “blue”, and “green”. Each color of each of the unit cells is optically readable and represents a data value set to each of the unit cells. In the two-dimensional code, a specifying pattern portion is provided. The specifying pattern portion includes a plurality of color reference cells and is configured to specify positions of the unit cells. The color reference cells indicates all of the at least three colors.