15438mp4 Apr 2026

: The number of rows and columns is configurable to fit various document sizes. 3. Primary Applications

The standard defines how data is encoded and how the symbol is structured for machine reading.

ISO/IEC 15438 specifies the requirements for PDF417, a multi-row, variable-length barcode. 15438mp4

: The Department of Defense (DoD) uses this standard for Transportation Control and Movement Documents (TCMD) to automate supply chain tracking.

: "PDF" stands for Portable Data File , and "417" refers to the structure: each character consists of 4 bars and spaces in a pattern that is 17 units long. : The number of rows and columns is

: A more space-efficient version without start and end patterns, used for smaller items or GS1 composite codes.

: It was invented in 1991 by Dr. Ynjiun P. Wang at Symbol Technologies. 2. Technical Specifications ISO/IEC 15438 specifies the requirements for PDF417, a

The 15438 standard is widely adopted in government and logistics sectors: