Matrix Design Group LLC

Alliance Coal, LLC

Aric M Pryor

Mike Etienne Ciholas

Justin Emrys Bennett

Ryan Christopher Jones

Paul R Blaylock

Timothy R Moore

Evan Buchanan

Ben Lemond

Tracy L Hayford

Mark D Watson

Christopher J Elpers

Christopher Gander

Timothy M DeBaillie

Justin E Bennett

Ryan Jones

A system and method for detecting a position of a person or second machine relative to a machine is provided. The system includes a transmitter system located on the machine, a locator for being carried by the person, means for determining the position of said locator relative to the transmitter system, means for defining one or more safety zones around the machine; and warning means for generating a signal when said locator enters into any of said one or more safety zones. The transmitter system includes a controller for generating a uniquely encoded magnetic signal and a plurality of drivers in communication with the controller for transmitting the uniquely encoded magnetic signal. According to the method a uniquely encoded magnetic signal is generated and transmitted around the machine from a transmitter system located on the machine. The magnetic signal is received and processed at a locator carried by the person. A locator radio frequency signal is transmitted from the locator in response to the received and processed magnetic signal. The locator radio frequency signal is received at the transmitter system. An algorithm is performed at the transmitter system based on the magnetic signal and locator radio frequency signal to determine the position of the locator relative to the transmitter system.

System and method for position detection

A system and method for detecting a proximity of a person to a machine includes a first transmitter unit carried by the person, a plurality of receiver units located on the machine at know locations, and a processing unit including data defining a first boundary around the machine. The first transmitter unit transmits a magnetic proximity signal having a predetermined signal strength and a predetermined signal frequency. Each of the plurality of receiver units is for determining a received signal strength of the received magnetic proximity signal. The processing unit: determines a location of the first transmitter unit relative to the machine based on the received signal strength of the magnetic proximity signal and the known location of the plurality of receiver units; and outputs a proximity warning signal if the location of the transmitter relative to the machine is within the first boundary around the machine.

System and method for proximity detection

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Boonville, IN, United States of America

Aric M Pryor