FIELD: computer printed media and printers; printed characters for automatic medium identification by printer.
SUBSTANCE: bar-code pattern has parallel array of alternating lines and spaces. Each line has common group of sections and section-to-section spaces of chosen length; length of each section may be equal to width of respective line and length of each section-to-section space, to width of respective space between lines.
EFFECT: ability of scanning in two directions to obtain bar-code pattern.
7 cl, 4 dwg
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