发明名称 |
Marine asset security and tracking (MAST) system |
摘要 |
Methods and apparatus are described for marine asset security and tracking (MAST). A method includes transmitting identification data, location data and environmental state sensor data from a radio frequency tag. An apparatus includes a radio frequency tag that transmits identification data, location data and environmental state sensor data. Another method includes transmitting identification data and location data from a radio frequency tag using hybrid spread-spectrum modulation. Another apparatus includes a radio frequency tag that transmits both identification data and location data using hybrid spread-spectrum modulation.
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申请公布号 |
US2005248454(A1) |
申请公布日期 |
2005.11.10 |
申请号 |
US20040840092 |
申请日期 |
2004.05.06 |
申请人 |
HANSON GREGORY R;SMITH STEPHEN FULTON;MOORE MICHAEL R;DOBSON ERIC LESLEY;BLAIR JEFFREY S;DUNCAN CHRISTOPHER A;LENARDUZZI ROBERTO |
发明人 |
HANSON GREGORY R.;SMITH STEPHEN FULTON;MOORE MICHAEL R.;DOBSON ERIC LESLEY;BLAIR JEFFREY S.;DUNCAN CHRISTOPHER A.;LENARDUZZI ROBERTO |
分类号 |
G06Q10/00;G08B1/08;(IPC1-7):G08B1/08 |
主分类号 |
G06Q10/00 |
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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