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Presence detection

AUTOMATIC DOOR ACTIVATION and SAFETY SENSORS - Erich Industries, Inc. ...Sensor Overhead activation and presence sensor for sliding doors utilizing microwave and infrared technologies. Utilizes the most effective technologies for each activation and presence detection; K-Band Doppler microwave provides the same quick, consistent activation as the Eagle. 2 rows of 24 beams of infrared provide a solid curtain of protection that never shuts off. See #1. NABCO/Gyro Tech Manual and Automatic Doors: Acuvision Sensor System ...or swing path of the door allows for extended coverage which exceeds industry standards. Features Advanced detection abilities with infrared learning technology for continuous presence detection throughout the door opening and closing cycle on sliding doors Unique ability to react to moving objects while excluding the door Rectangular sensing... See #2. 1: http://www.erichindustries.com [c992722] 2: http://www.nabcoentrances.com [c1173659]