US 12,142,102 B2
Ultra-wide band device for access control reader system
Hans-Juergen Pirch, Gratwein Strassengel (AT); Fredrik Carl Stefan Einberg, Huddinge (SE); Tomas Lars Jonsson, Rönninge (SE); Sylvain Jacques Prevost, Austin, TX (US); Jan Steffl, Senomaty (CZ); and Hans Gunnar Frank, Spånga (SE)
Assigned to ASSA ABLOY AB, Stockholm (SE)
Filed by ASSA ABLOY AB, Stockholm (SE)
Filed on Nov. 13, 2023, as Appl. No. 18/507,275.
Application 18/507,275 is a continuation of application No. 17/593,180, granted, now 11,900,750, previously published as PCT/EP2020/058201, filed on Mar. 24, 2020.
Claims priority of provisional application 62/906,995, filed on Sep. 27, 2019.
Claims priority of provisional application 62/823,341, filed on Mar. 25, 2019.
Prior Publication US 2024/0096157 A1, Mar. 21, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. G07C 9/29 (2020.01); G06K 7/10 (2006.01); G07C 9/00 (2020.01); H01Q 5/25 (2015.01); H04B 1/69 (2011.01); H04W 4/80 (2018.01)
CPC G07C 9/29 (2020.01) [G06K 7/10297 (2013.01); G06K 7/10366 (2013.01); G07C 9/00182 (2013.01); G07C 9/00309 (2013.01); H01Q 5/25 (2015.01); H04W 4/80 (2018.02); H04B 1/69 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A device comprising:
at least one antenna;
an ultra-wide band (UWB) front end circuit connected to the at least one antenna to facilitate UWB communication with a credential device;
a controller connected to the UWB front end circuit and configured to perform ranging for the credential device using the UWB communication;
a secure element configured to cache secure data used for ranging the credential device;
a communication link configured to interface a reader of an access control system; and
a housing separate from a housing of the reader, the housing of the device containing the antenna, the UWB front end circuit, the controller, and the secure element.