| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a human body infrared reception processing device that is simply configured, has high S/N ratio, has good stability, is very sensitive, and has strong logic functionality. <P>SOLUTION: A device includes: an expansion circuit; a switch control circuit for outputting a switch signal; a human body infrared sensor PIR for obtaining a human body infrared signal; a photosensitive tube PHOT for obtaining a light-beam luminance signal; a main controller IC1 for performing an A/D conversion and a quantization digital filter process on the human body infrared signal, combining the light-beam luminance signal and the switch signal and outputting a high/low level signal with a logic control; and an external output circuit for controlling an operation state with the high/low level signal. <P>COPYRIGHT: (C)2012,JPO&INPIT |
