Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Albert Voehringer0
John Yingst0
David Krahulec0
Date of Patent
December 15, 2009
0Patent Application Number
117093010
Date Filed
February 21, 2007
0Patent Primary Examiner
Patent abstract
The Invention is a center-of-intersection portable traffic light for emergency use. The portable traffic light features a cart with wheels, a telescoping light standard and one or more light assemblies. A preemption signal detector and traffic detector detect emergency vehicles and traffic, respectively. A control system controls the operation of the portable traffic light. A radio transceiver allows the portable traffic light to communicate with the other portable traffic lights. One of the portable traffic lights in a group acts as a master and controls operation of slave portable traffic lights. Any of the portable traffic lights in a group may act as master and any may act as slave.
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