US 12,104,403 B2
Lock cylinder with electronic key recognition
Douglas A. Holmes, Golden, CO (US); Aaron P. McKibben, Fishers, IN (US); Sundar R. D. Vasudevan, Bangalore (IN); and Anoop Dutt Mysore Nagesh, Bangalore (IN)
Assigned to Schlage Lock Company LLC, Carmel, IN (US)
Filed by Schlage Lock Company LLC, Carmel, IN (US)
Filed on Oct. 26, 2021, as Appl. No. 17/511,144.
Application 16/573,648 is a division of application No. 15/081,609, filed on Apr. 14, 2016, granted, now 10,415,269, issued on Sep. 17, 2019.
Application 17/511,144 is a continuation of application No. 16/573,648, filed on Sep. 17, 2019, granted, now 11,156,019.
Prior Publication US 2022/0259890 A1, Aug. 18, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. E05B 27/00 (2006.01); E05B 47/06 (2006.01); E05B 47/00 (2006.01)
CPC E05B 27/0042 (2013.01) [E05B 27/0017 (2013.01); E05B 27/0071 (2013.01); E05B 27/0082 (2013.01); E05B 47/063 (2013.01); E05B 2047/0067 (2013.01)] 25 Claims
OG exemplary drawing
 
10. A method of rekeying a lock cylinder, the method comprising:
inserting a first key into a keyway of the lock cylinder;
sensing a first bitting profile of the first key via a plurality of sensors;
generating a first key profile based upon first outputs of the plurality of sensors;
comparing the first key profile to a set of authorized key profiles, wherein a first authorized key profile is authorized to initiate a rekey operation;
in response to the first key profile matching the first authorized key profile, performing the rekey operation, wherein the rekey operation comprises:
inserting a second key into the keyway;
sensing a second bitting profile of the second key via the plurality of sensors;
generating a second key profile based upon second outputs of the plurality sensors; and
storing the second key profile as a second authorized key profile in the set of authorized key profiles, wherein the second authorized key profile is authorized to initiate an unlock operation of the lock cylinder.