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. 10, 2018
Filed:
Jun. 19, 2015
Nxp B.v., Eindhoven, NL;
Christian Weidinger, Graz, AT;
NXP B.V., Eindhoven, NL;
Abstract
The invention relates to radiofrequency transponder circuits, and in particular to such transponder circuits having a unique identifier. Embodiments disclosed include a radiofrequency transponder circuit () comprising an antenna module (), a control circuit () and a memory (), the transponder circuit () being configured to respond to a read command received via the antenna module () by the control circuit () reading and transmitting an identifier stored in the memory () via the antenna module (), wherein the control circuit () is configured to perform an integrity check on data stored in the memory () upon being powered up by a reader field a first time via the antenna module () and to not perform the integrity check for a predetermined time period upon being powered up by a reader field subsequent times via the antenna module ().