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Meadowlark Optics - SEE WHAT

Trainable Vision System Meets the Rail World

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Daniel C. McCarthy, Senior Editor/Special Projects

Much of the freight traveling along US railways rides upon rails manufactured by Pennsylvania Steel Technologies Inc. While each rail is hot -- ~1900 °F --off the production line, the company stamps a permanent identification number on it to track the batch and source. Creating these marks is a simple task when compared with the job of optically reading them later for tracking input. Each free-formatted alphanumeric code is variable in length and comprises characters measuring about 0.62 x 0.5 in. Depth varies between 0.020 and 0.060 in. The optical character recognition system the...Read full article

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