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. 15, 2012
Filed:
Jul. 04, 2008
Applicants:
Chen-hua AO, Longjing Shiang, TW;
Yi-hsin Tao, Hsinchu, TW;
Inventors:
Chen-Hua Ao, Longjing Shiang, TW;
Yi-Hsin Tao, Hsinchu, TW;
Assignee:
Elan Microelectronics Corporation, Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A decoding method for a two dimensional dot code includes the steps of defining coordinates of boundary dots in the two dimensional dot code, performing extrapolation and interpolation according to the coordinates of the boundary dots to create coordinates of a plurality of virtual code dots, and comparing a code dot in the two dimensional dot code with the virtual code dots to extract information intended to be reproduced from the two dimensional dot code.