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. 17, 2012
Filed:
Sep. 10, 2009
Applicants:
Walter Kargl, Graz, AT;
Thomas Leutgeb, Lieboch, AT;
Albert Missoni, Graz, AT;
Richard Sbuell, Graz, AT;
Inventors:
Walter Kargl, Graz, AT;
Thomas Leutgeb, Lieboch, AT;
Albert Missoni, Graz, AT;
Richard Sbuell, Graz, AT;
Assignee:
Infineon Technologies AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03D 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention shows a contactless chip card comprising a controllable demodulation unit for demodulating an amplitude-modulated carrier signal, a measuring unit for determining a degree of modulation of the modulated carrier signal, and a control unit for controlling the demodulation unit on the basis of the determined degree of modulation of the carrier signal.