×

FAILSAFE OPERATION FOR UNMANNED GATELINES

  • US 20150315840A1
  • Filed: 04/30/2015
  • Published: 11/05/2015
  • Est. Priority Date: 04/30/2014
  • Status: Active Grant
First Claim
Patent Images

1. A system for enabling fail-safe operation of an automatic pedestrian access control gate during a health and safety event, the system comprising:

  • a gate paddle configured to operate in an open state and a locked state, wherein pedestrian passage through the access control gate is granted while the gate paddle is operating in the open state, and wherein pedestrian passage through the access control gate is blocked while the gate paddle is operating in the locked state;

    a gate paddle sensor configured to detect a position of the gate paddle; and

    a computer server system coupled to the gate paddle and the gate sensor, the computer server system being configured to;

    receive gate paddle sensor data from the gate paddle sensor indicating the position of the gate paddle,determine, based on the gate paddle sensor data, that the gate paddle is stuck in an unnatural position that is different from a natural resting position of the gate paddle during normal operation,determine that the gate paddle is currently operating in the locked state, andtransmit a signal to the gate paddle that causes the gate paddle to operate in the open state based on determining that the gate paddle is stuck in the unnatural position and determining that the gate paddle is currently operating in the locked state.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×