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:
Feb. 17, 2015
Filed:
Mar. 27, 2009
Cheng-ru Chang, Hsin-Chu, TW;
Wei-kuo Mai, Hsin-Chu, TW;
Cheng-Ru Chang, Hsin-Chu, TW;
Wei-Kuo Mai, Hsin-Chu, TW;
Elan Microelectronics Corp., Hsin-Chu, TW;
Abstract
A code pattern for providing information is disclosed, which can effectively improve the ratio of effective marks, and the effective marks are distributed in a rhombus area. The code pattern comprises: a plurality of nominal positions and a plurality of information marks. The nominal positions are respectively located at a plurality of intersections of a plurality of first hypothetical lines and a plurality of second hypothetical lines, and the first hypothetical lines are parallel to one diagonal line within the rhombus area. The plurality of information marks are respectively disposed within the area formed by the nominal positions, and each information mark is used to represent one of at least two values.