Patent ID: 11898371
Assignee: ASSA ABLOY AMERICAS RESIDENTIAL INC.
Field: Control (Instruments)
Classification: CPC E  G  H | IPC E  G  H

Claim 0:
1. An electronic lock comprising:
a latch assembly including a bolt movable between an extended position and a retracted position;
a keypad for receiving a keypad input event; and
a processing unit configured to control movement of the bolt between the extended position and the retracted position responsive to receiving a valid keypad input event, wherein the processing unit is configured to capture the keypad input event;
wherein, based at least in part on a characteristic of the keypad input event, the processing unit detects and indicates if a tampering event exists, wherein the characteristic includes at least one of an input location on the keypad, an input duration on the keypad, and an input timestamp; and
wherein the processing unit detects the tampering event by comparing the input duration on the keypad to an acceptable input duration value, the acceptable input duration value based, at least in part, on a normal use profile created based on analysis of historic keypad input events that indicate patterns during a plurality of authorized actuations of the electronic lock.