Near field communications apparatus

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专利权人:

QUALCOMM TECHNOLOGIES INTERNATIONAL, LTD.

发明人:

Tay Zern,Patel Shyam,McFarthing Anthony

申请号：

US201213546343

公开号：

US9698871(B2)

申请日:

2012.07.11

申请国别(地区):

美国

年份:

2017

代理人:

Paradice and Li LLP

摘要：

A near field communications apparatus comprising a signal source, a transmit antenna and means for detecting a change in the input impedance of the transmit antenna to detect the presence of a device which is compatible with the apparatus.

来源网站：

中国工程科技知识中心

来源网址：

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