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Cough detector
专利权人:
Oren Gavriely
发明人:
Oren Gavriely,Noam Gavriely
申请号:
US11912897
公开号:
US08241223B2
申请日:
2006.04.30
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A device for detecting and counting coughing events is provided. In one embodiment a sensor for sensing and transducing low frequency and high frequency mechanical vibrations, sends signals to a coincidence detector that determines if high and low signals coincide. In another embodiment, ultrasonic energy is introduced to the trachea and if Doppler shift in frequency is detected, association is made to a coughing event. In another embodiment a change in the impedance of the neck is considered associated with coughing event if correlated over time with a specific mechanical frequency sensed.
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中国工程科技知识中心
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