| SYMBOL | EXAMPLE | CHARACTER SET | VARIABLE LENGTH | DISCRETE/ CONTINUOUS | CHECK CHARACTER | APPLICATION |
|---|---|---|---|---|---|---|
|
Code 39 |
|
A |
Variable |
Discrete |
Optional |
In very wide use for many types of applications: Logmars, HIBCC |
|
Code 128 |
|
Subset
A,B,C |
Variable (Even # of Subset C) |
Discrete |
Required |
Widely used; excellent for many applications |
|
UPC-A |
|
Numeric
Only |
12 Fixed
(11 data+1 check digit) |
Continuous |
Required |
Retail product marketing in USA and Canada
|
|
UPC-E |
|
Numeric
Only |
7 Fixed (zero + 5 data +1 check digit) |
Continuous |
Required |
Retail product marketing in USA and Canada; compressed for products with limited label space |
|
EAN-13 |
|
Numeric
Only |
13 Fixed
(12 data +1 check digit) |
Continuous |
Required |
Retail product marketing world-wide |
|
EAN-8 |
|
Numeric
Only |
8 Fixed |
Continuous |
Required |
Retail product marketing in USA and Canada; compressed for products with limited label space |
|
Interleaved
2 of 5 |
|
Numeric
Only |
Variable (Even # of Digits) |
Discrete |
Optional |
Very compact; encodes digits in pairs–total length must be even numbers of digits |
|
ISBN |
|
Numeric
Only |
Variable (Even # of Digits) |
Discrete |
Optional |
Very compact; encodes digits in pairs–total length must be even numbers of digits |
Notes:
A=Caps and Special Non-Keyboard Codes + Numbers + Others
B=Upper & Lowercase + Numbers + Others
C=Numbers Only
Linear Barcodes can be scanned from either direction.