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.

Date of Patent:
Dec. 14, 2021

Filed:

Feb. 15, 2019
Applicant:

Nxp B.v., Eindhoven, NL;

Inventors:

Shankar Joshi, Bangalore, IN;

Raghavendra Kongari, Bangalore, IN;

Björn Rasmussen, Graz, AT;

Assignee:

NXP B.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 13/76 (2006.01); G06K 19/07 (2006.01); H03L 7/06 (2006.01); G06F 1/10 (2006.01); H03K 7/08 (2006.01); G06K 7/00 (2006.01);
U.S. Cl.
CPC ...
G01S 13/767 (2013.01); G06F 1/10 (2013.01); G06K 7/0008 (2013.01); G06K 19/0723 (2013.01); H03K 7/08 (2013.01); H03L 7/06 (2013.01);
Abstract

In accordance with a first aspect of the present disclosure, a transponder is provided, comprising: a frequency detector configured to monitor an output frequency of a clock-stop sensor of said transponder, wherein said frequency detector is further configured to determine if said output frequency falls within a response detection frequency range of an external reader, and a frequency shifter configured to shift, in response to the frequency detector determining that the output frequency falls within said response detection frequency range, said output frequency to a value outside said response detection frequency range. In accordance with a second aspect of the present disclosure, a corresponding method of operating a transponder is conceived. In accordance with a third aspect of the present disclosure, a corresponding computer program is provided.


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