发明名称 Acoustic or pneumatic pulse transfer system for event counting
摘要 An event sensing component includes a housing, wherein the housing includes a first tube that is provided along an entire length of the housing, and a second tube that is provided along the entire length of the housing. The housing also includes a first connector provided at one end of the first tube and configured to couple with a first bypass tube that is attached at another end to another traffic sensing component. The housing further includes a second connector provided at one end of the second tube and configured to couple with a second bypass tube that is attached at another end to the another traffic sensing component.
申请公布号 US7417561(B2) 申请公布日期 2008.08.26
申请号 US20060387717 申请日期 2006.03.24
申请人 PROGRESSIVE ENGINEERING TECHNOLOGIES CORP. 发明人 REED JOHN W.;COLQUITT ROY;FIELDER TIMOTHY K.
分类号 G08G1/02 主分类号 G08G1/02
代理机构 代理人
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