Global Traffic Technologies, LLC

Charles B Meyer

Mark Schwartz

Timothy J Hall

Kevin Eichhorst

The disclosure describes a device for configuring an infrared (IR) emitter. The device includes a support structure and a microprocessor attached to the support structure. An interface circuit is also attached to the support structure and is configured to provide communications between the microprocessor and a portable computing device. A memory, which is attached to the support structure, is coupled to the microprocessor and is configured with instructions. Execution of the instructions by the microprocessor cause the microprocessor to communicate with an application executing on the portable computing device and initiate transmission of configuration data received from the application to the IR emitter. A transmitter is attached to the support structure and is coupled to the microprocessor. The transmitter is configured to transmit the configuration data to the IR emitter.

Emitter programmer and verification system

Various approaches for a traffic control preemption system that includes a receiver, a light emitter, and control circuitry. The receiver includes a photodetector and circuitry that produces a number of electrical pulses in response to each detected light pulse. For each detected light pulse the number of electrical pulses represents a level of radiant power of the light pulse, and a threshold number of electrical pulses and an activation frequency at which the threshold number of electrical pulses is repeated activates preemption. The control circuitry is coupled to the light emitter and controls the light emitter to emit bursts of light pulses. Each burst includes at least two light pulses and a frequency of light pulses in each burst and a frequency of the bursts cause the receiver to produce at least the threshold number of electrical pulses at the activation frequency and activate the preemption.

Optical traffic control system with burst mode light emitter

Various approaches for activating a traffic control preemption system. The traffic control preemption system has a receiver with a photodetector and circuitry that produces a number of electrical pulses in response to each detected light pulse. For each detected light pulse the number of electrical pulses represents a level of radiant power of the light pulse. A threshold number of electrical pulses and an activation frequency at which the threshold number of electrical pulses is repeated activates preemption. Control circuitry is coupled to a light emitter and controls the light emitter to emit bursts of light pulses. Each burst includes at least two light pulses and the control circuitry controls the frequency of light pulses in each burst and the frequency of the bursts to cause the receiver to produce at least the threshold number of electrical pulses at the activation frequency and activate the preemption.

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River Falls, WI, United States of America

Charles B Meyer