Allowing access to a device responsive to secondary signals previously associated with authorized primary input

Abstract

A method is provided for controlling access to a target device. The method comprises receiving, by the target device, primary input from a user or user device, wherein the primary input matches a predetermined input stored by the target device and authorizes the user or user device to access the target device. The method further comprises storing, by the target device, one or more wireless secondary signals that are detected by the target device during a time period in which the primary input is received. Still further, the method comprises allowing access to the target device in response to receiving the primary input, and then allowing access to the target device in response to subsequently receiving at least one of the one or more wireless secondary signals matching one or more of the stored wireless secondary signals in the absence of receiving the primary input.