发明名称 |
WIRELESS TEMPERATURE SENSOR NETWORK |
摘要 |
A wireless temperature sensor network includes a base station unit which transmits query signals cyclically addressing a plurality of temperature sensor transponder units. The transponder units are passive and derive operating power from the query signal to encode measured temperature data into a reply signal which is received by the base station. In a dual carrier embodiment, the query signal and reply signals are transmitted on separate frequencies. In a backscattering embodiment, the antennas of the transponder units can be switched between an absorption mode in which the query signal is received and a reflection mode in which the query signal is reflected back to the base station. The transponder antennas are switched in such a manner as to encode temperature data in the reflected signal to form a reply signal. The network embodiments are particularly applicable to space based platforms.
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申请公布号 |
US2010231382(A1) |
申请公布日期 |
2010.09.16 |
申请号 |
US20090403318 |
申请日期 |
2009.03.12 |
申请人 |
TAYRANI REZA;YOUNG RICHARD D;ROSIK NICK J;STADING MARK E;CHAMPION SHAUN L;PHILIP IVES H;NGUYEN THO X |
发明人 |
TAYRANI REZA;YOUNG RICHARD D.;ROSIK NICK J.;STADING MARK E.;CHAMPION SHAUN L.;PHILIP IVES H.;NGUYEN THO X. |
分类号 |
G08B1/08 |
主分类号 |
G08B1/08 |
代理机构 |
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