Patent ID: 9307361
Filing Date: 2016-04-05
CPC Classification: H04W

Claim Text:
1. A tracking system in which positioning alerts are communicated to a first user device from a second user device, the tracking system comprising: a positioning sensor included in the second user device, wherein the positioning sensor determines a current location of the second user device; a controller in communication with the positioning sensor; and a memory in communication with the controller, the memory including instructions that when executed by the controller cause it to: receive a first set of current locations from the positioning sensor, generate, at a start of a candidacy period, a candidate geofence including the first set, receive a second set of current locations from the positioning sensor, when, by an end of the candidacy period, the entirety of the second set of current locations is within the candidate geofence, communicate a stop motion message to the first user device, receive a third set of current locations from the positioning sensor, and when any of the third set of current locations are outside an active geofence, start a timer, receive a fourth set of current locations upon the timer reaching a delay time, and upon the timer reaching the delay time, when any of the fourth set of current locations is outside the active geofence, communicate a start motion message to the first user device.