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Còn được gọi là: self-checking property

A property of some symbologies (Code 39, Codabar) where single printing errors are always detectable.

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Code 39 Codabar

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

…High Low Fixed Variable length Yes Yes No (13 digits) Self-checking No Yes No Check digit Mandatory Optional Mandatory Best…

Code 39: The Self-Checking Alphanumeric Barcode Code 39, also known as "Code 3 of 9,"…

…is a donation number, component code, or blood group. Self-Checking Property Like Code 39 , Codabar is self-checking. A single…

…supported, compact 1D only, needs linear scan Code 39 Self-checking, simple Low density, wider symbol Data Matrix Small size,…