US 12,367,727 B2
Enabling access using a temporary passcode
Peder Sylwan, Stockholm (SE); and David Bundgaard, Gustavsberg (SE)
Assigned to ASSA ABLOY AB, Stockholm (SE)
Appl. No. 18/258,654
Filed by ASSA ABLOY AB, Stockholm (SE)
PCT Filed Dec. 16, 2021, PCT No. PCT/EP2021/086183
§ 371(c)(1), (2) Date Jun. 21, 2023,
PCT Pub. No. WO2022/136105, PCT Pub. Date Jun. 30, 2022.
Claims priority of application No. 2051533-4 (SE), filed on Dec. 22, 2020.
Prior Publication US 2024/0265760 A1, Aug. 8, 2024
Int. Cl. G07C 9/33 (2020.01); G07C 9/00 (2020.01)
CPC G07C 9/33 (2020.01) [G07C 9/00904 (2013.01); G07C 2209/08 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method for enabling access, using a temporary passcode, to a physical space secured by an electronic lock, the method being performed in a passcode provider, the method comprising:
synchronising with the electronic lock to align times for temporary passcode generation;
receiving a signal to provide a temporary passcode for unlocking the electronic lock;
determining a temporary passcode, the temporary passcode being valid only until an end time at the electronic lock, by selecting, from a plurality of currently valid temporary passcodes with different remaining validity times, the temporary passcode that has the longest remaining validity time; and
providing the temporary passcode for forwarding to a temporary passcode recipient.