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又称: symbol barcode symbol

The physical barcode symbol that carries encoded data, as distinct from the data content itself.

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Symbology

…quiet zones (blank margins that tell the scanner where the symbol starts and ends), a start pattern, data characters, a…

…the height of the barcode is only for redundancy: a taller symbol gives the scanner more chances to capture a clean read.…

…is the width of the narrowest bar or space in the symbol. It determines the barcode's overall size and the minimum…

…carry, how efficiently it stores them, and the resulting symbol size. Numeric-Only Encoding The simplest and most compact…

…or 105 depending on code set) Multiply each subsequent symbol character value by its position (1, 2, 3...) Add the start…

…Identifiers and FNC1 separators reduce payload space Symbol structure : Finder patterns, alignment patterns, and…

…standard). The error correction capacity is fixed based on symbol size and is not user-configurable. Smaller symbols…

…They require line-of-sight between the scanner and the symbol, and read one item at a time. RFID uses radio waves to…