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:
Jan. 14, 2020
Filed:
Jul. 20, 2018
Applicant:
Nxp B.v., Eindhoven, NL;
Inventor:
Matja{hacek over (z)} Gu{hacek over (s)}tin, Graz, AT;
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G07C 9/00 (2006.01); B60R 25/24 (2013.01);
U.S. Cl.
CPC ...
G07C 9/00309 (2013.01); B60R 25/245 (2013.01); B60R 25/246 (2013.01); G07C 9/00658 (2013.01); G07C 2009/00396 (2013.01); G07C 2009/00555 (2013.01);
Abstract
A passive keyless entry (PKE) system is disclosed. The PKE includes an in-vehicle apparatus. The in-vehicle apparatus includes a control unit that is configured to measure magnetic field and compute at least one angle between two projections of the magnetic field. When the measured angle is lower than a threshold value, an authorization signal is prevented.