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SYSTÈMES ET PROCÉDÉS DE DÉTECTION DE CHANGEMENTS PHYSIQUES SANS CONTACT PHYSIQUE
专利权人:
Inc.;Life Detection Technologies
发明人:
申请号:
EP17744973.3
公开号:
EP3407778A4
申请日:
2017.01.27
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
Systems and methods are provided for detecting and analyzing changes in a body. For example, a system includes an electric field generator configured to produce an electric field. The system includes an external sensor device configured to detect physical changes in the electric field, where the physical changes affect amplitude and frequency of the electric field. The system includes a quadrature demodulator configured to detect changes of the frequency of the output of the electric field generator. The system includes an amplitude reference source and an amplitude comparison switch configured to detect changes of the amplitude of the output of the electric field generator. The system includes a signal processor configured to analyze the changes of the amplitude and frequency of the output of the electric field generator.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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