发明名称 |
Vehicle speed estimation using inductive vehicle detection systems |
摘要 |
A method and apparatus for communicating estimated vehicular speed and length using data obtained from a single wire-loop. The detector card connected to a single wire-loop produces a first bivalent output based on the actual measurement of a vehicle at the wire-loop sensor and synthesizes a second bivalent output to mimic the output of a two wire-loop speed trap. By simulating a second bivalent output at the detector card level, a conventional field controller is capable of estimating the vehicular speed from a single wire-loop sensor.
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申请公布号 |
US6999886(B2) |
申请公布日期 |
2006.02.14 |
申请号 |
US20030664319 |
申请日期 |
2003.09.17 |
申请人 |
INDUCTIVE SIGNATURE TECHNOLOGIES, INC. |
发明人 |
HILLIARD STEVEN R. |
分类号 |
G08G1/01;G08G1/042 |
主分类号 |
G08G1/01 |
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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