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An Optical Signal Processor (OSP) receives electrical signals sent by optical preemption emitters to optical preemption detectors. While being received, the signals are processed to determine if the vehicle is a valid emergency or transit vehicle. The OSP is...
An Optical Signal Processor (OSP) receives electrical signals sent by optical preemption emitters to optical preemption detectors. While being received, the signals are processed to determine if the vehicle is a valid emergency or transit vehicle. The OSP is connected directly to the preemption inputs of the traffic controller in the intersection in which it is installed.
When a vehicle’s signal is accepted as valid, the OSP sends a preemption request to the proper input of the traffic controller. The traffic controller then safely manipulates the traffic signals according to a pre-programmed algorithm. Depending on where the traffic controller was in its normal routine the vehicle will receive a “Green Light” after a minimum of 3 or more seconds. Traffic signals which are already green will stay green until the vehicle passes.
If multiple vehicles are being received, they are prioritized to determine which vehicle should be given the right of way. If vehicles are of equal priority, right of way is given on a first-come, first-served basis.
*Global Traffic Technologies, GTT, Discriminator, and Opticom are trademarks of Miovision Technologies Incorporated and not affiliated with TOMAR Electronics Inc.
TOMAR’s Integrated Confirmation™ (US patent 8,742,946) is an industry first, setting a new standard for reliable visual confirmation to further increase safety, lower response times and streamline installations. A high-output white or blue LED attached to the optical detector receives power via the standard TOMAR M913 EVP detector cable and TOMAR Optical Signal Processor (OSP).
This means no additional cable pulls through congested conduits, use of load switches, or added power supplies are needed to provide confirmation lights & visual feedback. And True Confirmation™ is the only preemption system that provides real, closed-loop visual feedback to vehicle drivers that the intersection is in preemption mode – not just that the vehicle is detected.
INTEGRATED CONFIRMATION™ BENEFITS
NOTICE: The sale of these items are restricted to state and local governments and to authorized distributors only.