Barcode encyclopedia : Symbology code49
Code 49Created by David Allais in year 1987 in Intermec Corporation for needs long data to small space.
Code49 this condition accept by using some symbols one under another.
Each symbol can have 2 - 8 rows.Each row include start small area, start area, 4 data chars with 8 symbols, checksum, stop area, and last is free area.
Each row coded data into 18 bars and 17 spaces and each row is divided with one line in size one pixel.
- Advantage : 128 ASCII charset
- Strucure like UPC and Code39
- Public domain
- Maximal density is 170 alphanumeric chars per square inch.
- In health care must be structure : flag-tag,10 digits NDC, 5 digits date of consumption,15 digit serial number - in inch only 0.1x0.3 inch