发明授权
摘要：
An occupancy sensor includes a passive infrared sensor (PIR sensor) and an infrared sensor (IR sensor). The occupancy sensor is configured to confirm occupancy or non-occupancy in dependence on signals measured by both the PIR sensor and the IR sensor.
公开/授权文献
- US20150192471A1 OCCUPANCY SENSOR 公开/授权日：2015-07-09
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