Illumination & lens for optical character reader

Illumination & lens for optical character reader

T415/0035 Rights Managed

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Credit: JAMES HOLMES/SCIENCE PHOTO LIBRARY

Caption: Optical character recognition (OCR): close-up shot of the illumination system & lens (bottom) in an optical character reader used by the Post Office as part of its automatic mail sorting system. The device is used to "read" the post code in an address & to deposit blue phosphor dots that encode the envelope for its correct destination.

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Keywords: computer peripheral device, hardware peripherals, high-tech, mail, ocr, ocr used in, optical character recognition, post office, technology

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