Apparatus and method of encoding and decoding barcodes

Details Apparatus and method of encoding and decoding barcodes Apparatus and method of encoding and decoding barcodes

1987-01-30

1988-03-01

Trafton, David L.

Registers

Coded record sensors

Particular sensor structure

235436, 235466, 235463, 235472, 235487, G06K 710

Patent

active

047287845

ABSTRACT:
A method and system for reading encoded information from conventional bar codes and from hand-encoded barcodes is provided. The method and system include processing which eliminates false spaces and bars in conventional pre-encoded printed barcode formats as well as those in hand-encoded barcode formats. A pre-printed barcode form containing a plurality of bars and spaces representing the elements of a character code is used in which at least one of the bars is designed to be modified by hand to represent the encoded character. A barcode reader system scans the barcode and processes the scanned barcode symbol into decoded form. A barcode label for encoding a multi-character string readable by a barcode reader is also provided which includes a plurality of data lines which contains barcode readable start and stop codes unique to each data line and a barcode readable digit form located between the start and stop code of each data line.

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