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US Patent 7431211 Time-measurement secured transactional electronic entity

Patent 7431211 was granted and assigned to Oberthur Technologies on October, 2008 by the United States Patent and Trademark Office.

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Current Assignee
Oberthur Technologies
Oberthur Technologies
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7431211
Date of Patent
October 7, 2008
Patent Application Number
10508865
Date Filed
March 24, 2003
Patent Primary Examiner
Michael G. Lee
Michael G. Lee
Patent abstract

An electronic entity such as a chip card containing time measurement elements includes a capacitative component (20) having a leak through the dielectric area thereof and being able to be charged when the entity is coupled to an electric power source and a member (22) for measuring the residual charge of the capacitative component which is implemented in a subsequent measure.

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