发明名称 |
Contactless portable object capable of providing an indication on the performance of a contactless reader |
摘要 |
The invention concerns a contactless portable object (11) featuring an electronic circuit (14) and an antenna (12) connected together enabling coupling between the electronic circuit and a reader associated with the portable contactless object. According to the main characteristic of the invention, the contactless portable object includes a set of field indicators (18) that provide the user with a measurement of the value of a physical quantity proportional to the quantity of the electromagnetic field which passes through the antenna (12).
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申请公布号 |
US8496170(B2) |
申请公布日期 |
2013.07.30 |
申请号 |
US20090415080 |
申请日期 |
2009.03.31 |
申请人 |
BRANDIN GUILLAUME;MANIGAULT SERGE;ASK S.A. |
发明人 |
BRANDIN GUILLAUME;MANIGAULT SERGE |
分类号 |
G06K7/00;G06K19/06 |
主分类号 |
G06K7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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