The present invention discloses a method of operating an automatic door installation including door sensor equipment. The door sensor equipment includes an optical door sensor 100 and a signal processing unit 108, the optical door sensor 100 has an emitter 102 and a receiver 106. The method comprises the steps as follows: evaluating a level of optical or electronic noise affecting the door sensor equipment by utilizing a signal processing unit, and determining whether the level of noise is excessive; and generating an alert when it is excessive.


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    Title :

    A method of operating an automatic door installation


    Contributors:
    CURZON JOHN (author) / COLLINS PETER (author)

    Publication date :

    2015-11-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS / E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION , Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung



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