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:
Jan. 02, 2018
Filed:
Oct. 09, 2014
Toppan Tdk Label Co., Ltd., Tokyo, JP;
Tsutao Nishizaki, Kawasaki, JP;
Toppan TDK Label Co., Ltd., Tokyo, JP;
Abstract
A method for generating two-dimensional barcode, including: obtaining a data block including a first data codeword and an error correction codeword, the first data codeword having first information, the error correction codeword being capable of detecting and correcting an error of the first data codeword; and obtaining a replaced data block in which a part of the data block is replaced with a second data codeword, the second data codeword having second information; and generating a two-dimensional barcode based on the replaced data block. A method for reading a two-dimensional barcode including: reading a two-dimensional barcode; extracting a second data codeword from a predetermined position in a replaced data block; obtaining the second information from the extracted second data codeword; obtaining the first data codeword based on the replaced data block; and obtaining the first information from the obtained first data codeword.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile