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:
Sep. 01, 2026
Filed:
Oct. 14, 2022
Assa Abloy Ab, Stockholm, SE;
Fredrik Einberg, Huddinge, SE;
ASSA ABLOY AB, Stockholm, SE;
Abstract
It is provided a method for determining when to establish a communication channel using an electronic lock () controlling access to a restricted physical space (). The method is performed by a portable key device (). The method comprises: obtaining () a first time-indicator indicating when the portable key device () detects a stop in motion of the portable key device (); receiving () a broadcast message from the electronic lock (); deriving () a second time-indicator based on the received broadcast message, the second time-indicator indicating when the electronic lock () determines a stop in motion; determining () that a difference between the first time-indicator and the second time-indicator is less than a threshold; and establishing () a communication channel between the portable key device and the electronic lock when it is determined that the difference between the first time-indicator and the second time-indicator is less than the threshold.