Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Alfred Rossmadl0
Hans Graf0
Klaus Finkenzeller0
Date of Patent
November 23, 2010
0Patent Application Number
105526260
Date Filed
April 13, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The invention relates to an apparatus as well as a method for reliably determining the deliberate use of a contactless data carrier. Beside an antenna-based data transmission channel in dependence on the data to be transmitted additionally an optical data transmission channel between reading device and data carrier can be employed.
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