| 摘要 |
Apparatus and methods for a passive range finding proximity detector include a sensor element configured to detect infrared radiation emitted by objects within a detection area. The sensor is configured to detect the temperature, relative size, relative distance, speed or direction of movement of an object from the sensor. The sensor is configured to set parameters for a controlled object based upon the detected size, temperature and/or proximity, speed or direction of an object in relation to one or more size thresholds, temperature thresholds, and/or proximity, speed or direction thresholds.
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