MENG Zhao-long, ZHANG Xiao-qing, SUN Zhuan-lan, LI Qiang, CHEN An-qi, XU Ting. A Wireless Sensor Based on Polypropylene Ferroelectret Film[J]. Development and Application of Materials, 2010, 25(3): 51-53,65. DOI: 10.19515/j.cnki.1003-1545.2010.03.012
Citation: MENG Zhao-long, ZHANG Xiao-qing, SUN Zhuan-lan, LI Qiang, CHEN An-qi, XU Ting. A Wireless Sensor Based on Polypropylene Ferroelectret Film[J]. Development and Application of Materials, 2010, 25(3): 51-53,65. DOI: 10.19515/j.cnki.1003-1545.2010.03.012
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A Wireless Sensor Based on Polypropylene Ferroelectret Film

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  • One piece of piezoelectric-film of ferroelectret polypropylene is piled up to make a sensor by encapsulation.An amplifier is designed to enhance the output signal, then direct the amplified signal to a wireless transmitter, and a wireless receptor is contacted to a signal-processing module.This kind of wireless sensor can be used for alarming and activity monitoring.
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