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:
Oct. 04, 2011
Filed:
Feb. 21, 2008
Eunah Kim, Seoul, KR;
Jeong Hyun Yi, Daejeon, KR;
Taekyoung Kwon, Seoul, KR;
Tae Jin Park, Seoul, KR;
Eunah Kim, Seoul, KR;
Jeong Hyun Yi, Daejeon, KR;
Taekyoung Kwon, Seoul, KR;
Tae Jin Park, Seoul, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A tag authentication method, and a tag and reader performing the method are provided. The tag authentication method, including: a reader generating a first random number and transmitting the first random number to a tag; the reader receiving a second random number and a first verification value from the tag; the reader computing a second verification value based on the first random number and the second random number; and the reader comparing the first verification value and the second verification value.