| 摘要 |
<p>The invention relates to an automatic door assembly for installation at a doorway formed through a wall of a building, said door assembly comprising: a frame assembly; a door panel constructed and arranged to be mounted to said frame assembly for movement between a closed position and an open position; a door controlling system comprising: (i) a video imaging device constructed and arranged to be mounted in a viewing position wherein said imaging device monitors a field of view that encompasses at least a door panel travel area through which said door panel moves during movement thereof between said open and closed positions, said video imaging device being adapted to transmit a video data signal comprising information representative of said field of view; (ii) a detection system comprising a video signal processor that communicates with said video imaging device, said video signal processor being adapted to receive said video data signal from said imaging device and to process the information comprising said internal video data signal to determine whether a person or object is in said door panel travel area, said detection system being adapted such that said processor ignores the movement of said door panel within said door panel travel area so that said door panel is not determined by said processor to be a person or object in said predetermined area, said detection system being adapted to responsively transmit a door opening signal in response to said processor thereof determining that a person or object is within said door panel travel area; and a door operator constructed and arranged to be connected to said door panel and adapted to communicate with said detection system, said door operator being constructed and arranged to move said door panel from said closed position thereof to said open position thereof through said door panel travel area responsive to receiving said door opening signal.</p> |
