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:
Jun. 13, 1978
Filed:
Aug. 23, 1976
Shuzi Harada, Yokohama, JA;
Tetsuo Yamaguchi, Yokohama, JA;
Matsushita Electric Industrial Co., Ltd., Kadoma, JA;
Abstract
The universal product code consisting of black bars and white spaces carrying information is discriminated by counting the occurrence period of electric signals corresponding to the guard pattern and averaging the count obtained thereby to provide a width information of the basic module, discriminating the first character by sampling the code in stop-start synchronization based on the width information, counting the occurrence period of electric signals corresponding to the (n-1)th character to provide another width information of the basic module from the count obtained thereby, and discriminating the n-th character by sampling the code in stop-start synchronization based on the basic module. Therefore, a high performance code discriminator can be achieved by a simple structure.