barcode.barcode .a simple black barcode like it is used on nearly all products

all background bar barcode barcodebarcode barcodes bars birthday black calendar called can code commonly data date design digit event figure form icon initially isolated line linear lines machinereadable method nearly new now number numeric onedimensional optical parallel pictogram price products readers referred register registration represented representing scanned scanners simple spacings special stripe stripes structure symbol texture these used varying vector vertical visual white widths year