Patent ID: 9371678
Filing Date: 2016-06-21
CPC Classification: E05F,E05Y

Claim Text:
1. A retrofit monitoring apparatus for a movable barrier system, the apparatus comprising: one or more sensing devices configured to be secured to a movable barrier driven by a movable barrier operator and to obtain position and movement data of the movable barrier, the position and movement data comprising data regarding a movable barrier operation comprising an open time and a close time, the sensing devices being configured to determine the open time for the movable barrier to travel from a closed position to an open position and determine the close time for the movable barrier to travel from an open position to a closed position, wherein the sensing devices determine the open time and the close time without communication with the movable barrier operator; a control device remote from the movable barrier operator and configured to be in communication with the sensing devices, the control device configured to: