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:
Feb. 01, 2022
Filed:
Mar. 24, 2016
Applicant:
Assa Abloy Ab, Stockholm, SE;
Inventors:
Tomas Jonsson, Ronninge, SE;
Hakan Olsson, Hagersten, SE;
Assignee:
ASSA ABLOY AB, Stockholm, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 5/06 (2006.01); G01S 3/46 (2006.01); B60R 25/24 (2013.01); G07C 9/28 (2020.01);
U.S. Cl.
CPC ...
G01S 5/06 (2013.01); B60R 25/245 (2013.01); G01S 3/46 (2013.01); G07C 9/28 (2020.01); G07C 2209/63 (2013.01);
Abstract
It is presented a method for determining whether a portable key device is located in an active area in relation to a barrier. The method is performed in an access control device and comprises the steps of: detecting an angle of arrival of a wireless signal from the portable key device using a pair of antennas provided such that a line between the pair of antennas crosses the barrier; and determining whether the portable key device is located within the active area based on the angle of arrival.