Presence detector for a door assembly

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United States of America Patent

PATENT NO 8510990
APP PUB NO 20100319256A1
SERIAL NO

12735899

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Abstract

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A presence detector for a door assembly which includes a door closing a door entrance is described herein. The detector includes a transducer assembly mounted to the door assembly for emitting at least one ultrasound detecting beam adjacent the door entrance and for triggering a detecting signal indicative of a body located adjacent the door entrance when the body intersects the at least one ultrasound detecting beam and a controller for receiving information indicative of a position of the door and for controlling the emission of the at least one detecting beam accordingly with the position of the door. The detector assembly operates in crossing, ranging or dual modes.

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Patent Owner(s)

Patent OwnerAddress
SENSOTECH INC1751 RICHARDSON SUITE 4106 MONTREAL QUEBEC H3K 1G6

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Agam, Uri Montreal, CA 22 440
Marcovecchio, Pino Montreal, CA 9 221

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