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DOOR CONTROL APPARATUS

  • US 20130091768A1
  • Filed: 03/11/2011
  • Published: 04/18/2013
  • Est. Priority Date: 03/17/2010
  • Status: Abandoned Application
First Claim
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1. A door control apparatus in electrical communication with an electromechanical door holder for operative connection to a hinged door, the electromechanical door holder including a solenoid operable to close a valve to prevent the flow of hydraulic fluid in a reservoir to cause the hinged door to stay open, the hinged door being above a floor and pivotally movable between a closed position and a fully open position, being released by a person manually opening the door to a release position anywhere in an open position, and being mounted to a structure surrounding the door in the closed position, the structure including a door frame and a wall, the door control apparatus comprising:

  • control circuitry; and

    a sensor adapted to detect a person, object, or both in a first designated area proximate to the door, the sensor connected to the control circuitry, wherein the sensor is operable to signal the control circuitry upon a detection event,wherein upon a detection event the control circuitry is operable to signal the solenoid to close the valve and cause the electromechanical door holder to hold the door open in the release position.

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