发明名称 PRESENCE DETECTOR FOR A DOOR ASSEMBLY
摘要 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.
申请公布号 US2010319256(A1) 申请公布日期 2010.12.23
申请号 US20090735899 申请日期 2009.02.26
申请人 AGAM URI;MARCOVECCHIO PINO 发明人 AGAM URI;MARCOVECCHIO PINO
分类号 E05F15/20;G01S15/88 主分类号 E05F15/20
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