发明名称 |
A radio frequency tag |
摘要 |
<p>The invention relates to a radio frequency tag. The tag comprises a receiver for receiving radio frequency waves having an amplitude spectrum provided with a first frequency component and a second frequency component. The tag also comprises a converter associated with the receiver for generating a signal having a frequency component at the frequency difference between the first frequency and the second frequency. In addition, the tag comprises a signal circuit for processing the generated signal and a coupler for forwarding the generated signal from the receiver towards the signal circuit.</p> |
申请公布号 |
EP2141635(A1) |
申请公布日期 |
2010.01.06 |
申请号 |
EP20080159343 |
申请日期 |
2008.06.30 |
申请人 |
NEDERLANDSE ORGANISATIE VOOR TOEGEPAST -NATUURWETENSCHAPPELIJK ONDERZOEK TNO |
发明人 |
HILHORST, MAXIMUS ANDREAS;DOODEMAN, GERARDUS JOHANNES NICOLAAS |
分类号 |
G01S1/68;G06K19/067;G01S13/00;G06K19/07;G06K19/077;G08B1/08;H01P5/00 |
主分类号 |
G01S1/68 |
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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