: A more space-efficient version without start and end patterns, used for smaller items or GS1 composite codes.
: One of its most critical features is built-in error correction, which allows a barcode to be read even if up to 50% of it is damaged. 15438mp4
: It was invented in 1991 by Dr. Ynjiun P. Wang at Symbol Technologies. 2. Technical Specifications : A more space-efficient version without start and
ISO/IEC 15438 specifies the requirements for PDF417, a multi-row, variable-length barcode. 15438mp4
: It is commonly used for airline boarding passes and transport tickets. 4. Related Variants