Assa Abloy Entrance Systems Ab

Patrik Lerpard

Stefan Paulsson

A system, method and computer program product for controlling the operation of a door () to a room, the method comprising (S) obtaining at least a first air pressure data () based on an air pressure on the inside of the door (), (S) obtaining at least a second air pressure data () based on the air pressure on the outside of the door (), and (S) determining at least a first air pressure difference data () based on the difference between the at least first air pressure data () and the at least second air pressure data (), and in a determination that the at least first air pressure difference data () is outside of a predefined value, or a predefined value interval, generate a control signal (CS) for controlling the operation of the door ().

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Limhamn, Sweden

Patrik Lerpard