... Optical reader for reading alphanumeric dot-matrix printing characters and converting them into electrical signals, comprising a read head containing an optical detector, an amplifier, a focusing lens and two lamps, linked by one or two flat cables to a central module the dimensions of which do not exceed 200 x 220 mm, comprisng a printed circuit board on which are mounted a microprocessor, an image recognition circuit and an analogue-to-digital converter ...
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