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Wireless sensor device
专利权人:
Ltd.;Semiconductor Energy Laboratory Co.
发明人:
Jun Koyama
申请号:
US15251356
公开号:
US10148301B2
申请日:
2016.08.30
申请国别(地区):
US
年份:
2018
代理人:
摘要:
A wireless sensor device capable of constant operation without replacement of batteries. The wireless sensor device is equipped with a rechargeable battery and the battery is recharged wirelessly. Radio waves received at an antenna circuit are converted into electrical energy and stored in the battery. A sensor circuit operates with the electrical energy stored in the battery, and acquires information. Then, a signal containing the information acquired is converted into radio waves at the antenna circuit, whereby the information can be read out wirelessly.
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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