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Iterface Mechanisms until after 1970 the company developed a "two-dimensional code", only the price of a two-dimensional matrix intercom salable printing and reading equipment. At that time two-dimensional matrix intercom for automated newspaper publishing process. Two-dimensional matrix intercom printed on the tape, made today a one-dimensional CCD scanning read. CCD light emitted in the tape, the alignment of each photocells in different regions of the tape. Each photovoltaic cell based on whether
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