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:
Apr. 05, 2016
Filed:
Dec. 11, 2008
William G. O'brien, Nanaimo, CA;
Tet Hin Yeap, Ottawa, CA;
Sean Maclean Murray, Toronto, CA;
BCE INC., , CA;
Abstract
An arrangement of goods, comprising: a plurality of units of an article, the units equipped with respective contactlessly readable tags; each of said tags comprising a respective memory configured to store a respective signature; the signatures stored in the memories of said tags appearing scrambled relative to one another when read by a reader. Also, a method, comprising: contactlessly reading a first signature from a first tag affixed to a first unit of an article; contactlessly reading a second signature from a second tag affixed to a second unit of the same article, the second signature appearing scrambled relative to the first signature; decrypting the first signature with a key to reveal (I) an identifier associated with the article and (II) a first scrambling code; and decrypting the second signature with the same key to reveal the same identifier and a second scrambling code different from the first scrambling code.