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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US422329518 Oct 197816 Sep 1980Nelson A. FaerberEmergency control system for traffic signals
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US597788330 Jul 19972 Nov 1999Traffic light control apparatus for emergency vehicles
US607240628 Jun 19996 Jun 2000Traffic light control apparatus for emergency vehicles
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US709880612 Oct 200429 Aug 2006California Institute of TechnologyTraffic preemption system
US71131088 Apr 200326 Sep 2006California Institute of TechnologyEmergency vehicle control system traffic loop preemption
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US72481496 Oct 200424 Jul 2007California Institute of Technology
E-Views Safety Systems, Inc.
Detection and enforcement of failure-to-yield in an emergency vehicle preemption system
US726568318 Aug 20054 Sep 2007California Institute of TechnologyRoadside-based communication system and method
US732728024 Mar 20045 Feb 2008California Institute of TechnologyEmergency vehicle traffic signal preemption system
US78640714 Feb 20084 Jan 2011California Institute of TechnologyEmergency vehicle traffic signal preemption system
USD33706628 Feb 19906 Jul 1993Combined transmitter and receiver for traffic control of emergency vehicles
USD3381656 Sep 199110 Aug 1993Minnesota Mining and Manufacturing CompanyOptical emitter for use in priority traffic control