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Passive wireless gastroesophageal sensor
专利权人:
Jung-Chih Chiao
发明人:
Jung-Chih Chiao,Thermpon Ativanichayaphong
申请号:
US12054378
公开号:
US08706208B2
申请日:
2008.03.24
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A passive wireless gastroesophageal sensor includes a LC resonance circuit, two or more electrodes and a passive batteryless Radio Frequency Identification (RFID) circuit connected to the LC resonance circuit and the one or more electrodes. The electrodes are configured to measure an impedance within a gastroesophageal tract. The passive batteryless RFID circuit transmits a frequency modulated signal using the LC resonance circuit that varies between a first frequency corresponding to a non-acid reflux condition and a second frequency corresponding to an acid reflux condition based on the measured impedance in response to a signal received from a detector.
来源网站:
中国工程科技知识中心
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