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Industrial Instrumentation ＆ Automation. 2014, (06)

Dual infrared laser opposite emission switch based on AT89S51 fulfils intelligent lighting controlChinese Full Text

YAO Zhengwu;The Nanking Engineering Branch of Jiangsu United Occupation Technical College;

Abstract: Pyroelectric switchs have some shortages in being susceptible to heat,light interference and the detection sensitivity down when temperature approachs body temperature,etc. Touching type and sound control switchs have some shortcomings in the need to finger touching,making the larger noise and fixed delay. Dual infrared laser opposite emission switch which is studied in the paper can avoid these application shortages. It is made from AT89S51 chip,dual infrared laser opposite emission sensors,nat... More
Keywords：

intelligent lighting; infrared laser opposite emission; feature level; identifying motion direction;

  • Series：

    (C) Architecture/ Energy/ Traffic/ Electromechanics, etc

  • Subject：

    Electric Power Industry

  • Classification Code：

    TM923

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