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Article | September 21, 2010
Carlo Gavazzi: Vision sensor for sliding pedestrian doors
Carlo Gavazzi’s GUARDIAN is an advanced overhead motion/vision sensor for sliding pedestrian doors, and uses CMOS vision based camera technology, which can detect both motion and presence.
The presence zone is set through a simple teach process, and the time delay for holding the door open can be adjusted via potentiometer. The motion zone can operate in a bi-directional mode where any detected motion causes the door to open, or in a uni-directional smart mode, where the door will only open when people move towards the door; in this mode, people passing by the door will not cause the door to open. Adapts to changes in the environment, including sunlight, shadows, snow, rain, leaves, and other objects. And with the blanking feature, stationary objects and even permanently placed moving objects (such as rotating signs) can be ignored.
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