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:
Mar. 12, 2024
Filed:
Mar. 24, 2020
Assa Abloy Ab, Stockholm, SE;
Hans-Juergen Pirch, Feldkirchen, AT;
Fredrik Carl Stefan Einberg, Huddinge, SE;
Tomas Lars Jonsson, Rönninge, SE;
Sylvain Jacques Prevost, Austin, TX (US);
Jan Steffl, Senomaty, CZ;
Hans Gunnar Frank, Spånga, SE;
ASSA ABLOY AB, Stockholm, SE;
Abstract
A reader system for an access control system includes first and second antennas and first and second controllers. The first controller is configured to communicate with a credential device using a first communication protocol via the first antenna to exchange a credential with the credential device. The second controller is configured to communicate with the credential device using a second communication protocol via the second antenna to perform ranging for the credential device and is configured to communicate with the first controller via a communication link.