VIBRATION SENSOR AND PULSE SENSOR

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专利权人:

发明人:

Yasushi SATO

申请号：

US15028980

公开号：

US20160242660A1

申请日:

2014.10.16

申请国别(地区):

US

年份:

2016

代理人:

摘要：

A BPF connected to a pulse wave generator has a bandwidth encompassing the fluctuation range of the resonance frequency of a helical antenna. As a result, even if the resonance frequency of the helical antenna fluctuates by a human body approaching the helical antenna, one or a number of a plurality of frequencies of signals passing through the BPF can pass through the bandwidth of the helical antenna.

来源网站：

中国工程科技知识中心

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http://www.ckcest.cn/home/