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:
Dec. 30, 2014
Filed:
May. 22, 2013
Applicant:
Stmicroelectronics (Rousset) Sas, Rousset, FR;
Inventor:
Luc Wuidart, Pourriéres, FR;
Assignee:
STMicroelectronics (Rousset) SAS, Roussel, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05B 19/00 (2006.01); G08B 23/00 (2006.01); G06F 7/00 (2006.01); G06F 7/04 (2006.01); G08B 29/00 (2006.01); G05B 1/01 (2006.01); G08B 21/02 (2006.01); G06K 19/07 (2006.01); G06K 19/073 (2006.01); G06K 7/10 (2006.01);
U.S. Cl.
CPC ...
G05B 1/01 (2013.01); G08B 21/0275 (2013.01); G06K 19/0723 (2013.01); G06K 19/07336 (2013.01); G06K 7/10108 (2013.01);
Abstract
A method of authentication of a terminal generating a magnetic field by a transponder including an oscillating circuit from which a D.C. voltage is generated, wherein at least one quantity depending on the coupling between the transponder and the terminal is compared with at least one reference value.