| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a passive type infrared sensor capable of stabilizing a detection distance without depending on setting of an optical system and having human detection performance of higher accuracy in a passive type human detection system. <P>SOLUTION: A passive type human sensing device includes: a passive type infrared sensor for receiving infrared rays emitted from a human body and converting the infrared rays into an electric signal; an amplifier circuit for amplifying an output signal from the passive type infrared sensor; an AD converter for inputting the amplified signal from the passive type infrared sensor into an MCU; and the MCU having algorithm for analyzing a waveform of a quantized output. <P>COPYRIGHT: (C)2012,JPO&INPIT |
