فراغ

…and white spaces. Each character maps to a specific bar-space pattern defined by the symbology specification. A scanner…

…require imager-based scanners or cameras, though the cost gap has narrowed significantly. Most modern handheld scanners…

…start/stop patterns or finder patterns) Sample the bar and space widths Decode each character using the symbology's…

…component. Quiet Zones The quiet zone is the blank space before and after the barcode. It signals to the scanner…

…and a handful of special characters (-, ., $, /, +, %, space). Code 39 is self-checking, meaning it does not strictly…

…Evaluate Physical Constraints Consider the available label space and substrate: Tiny items (<10mm): Data Matrix (can be…

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

…ratio is typically 2.5:1 to 3:1. The inter-character gap (space between characters) must be at least 1X wide and is not…