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. 16, 2013
Filed:
May. 06, 2008
Shou-te Wei, Hsin-Chu Hsien, TW;
Cho-yi Lin, Hsin-Chu Hsien, TW;
Yao-ching Hsu, Hsin-Chu Hsien, TW;
PixArt Imaging Inc., Science-Based Industrial Park, Hsin-Chu Hsien, TW;
Abstract
Various types of ink corresponding to non-overlapping wavelength domains in absorbing lights are utilized on a pattern displaying medium for marking coordinate dots and data dots of a plurality of data blocks. While a scanning device is utilized for scanning the pattern-displaying medium, the marked coordinate dots and data dots are precisely recognized and read. While the pattern displaying medium is to be marked, the coordinate dots are marked in advance, and then the data dots are marked according to the marked coordinate dots for preventing positioning errors. Besides, at least one locality dot is used in each data block. While the scanning device is utilized for scanning the pattern displaying medium, a reading direction of each data block is indicated by the at least one locality dot so as to precisely read dots of each data block.