发明名称 METHOD AND APPARATUS FOR WARNING DRIVERS AS TO THE PRESENCE OF A SCHOOL BUS IN THE PROCESS OF LOADING OR UNLOADING A PASSENGER
摘要 A method and apparatus for warning drivers as to the presence of a school bus in the process of unloading a passenger. A first step involves providing a sign capable of changing from an inactive mode to a warning mode upon receiving a signal. A second step involves providing a transmitter compatible with the signs receiver. A third step involves positioning the sign at a location along a highway that is visible a sufficient distance from a concealed stopping location to provide warning to drivers of approaching vehicles. A fourth step involves positioning the transmitter in a school bus so as to enable a driver of the school bus to remotely change the sign from the inactive mode to the warning mode while the school bus is stopped at the concealed location.
申请公布号 CA2239849(A1) 申请公布日期 1999.12.08
申请号 CA19982239849 申请日期 1998.06.08
申请人 HAHN, ROBIN 发明人 HAHN, ROBIN
分类号 B60Q1/52;E01F9/615;G08G1/16 主分类号 B60Q1/52
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