Bar code reader, bar code reading method and computer readable m

Details Bar code reader, bar code reading method and computer readable m Bar code reader, bar code reading method and computer readable m

1998-03-23

1999-12-28

Pitts, Harold I.

Registers

Coded record sensors

Particular sensor structure

23547201, G06K 710

Patent

active

060069929

ABSTRACT:
A CPU deals, as valid data, with demodulated data obtained by synthesizing demodulated data obtained by reading a first data block of an upper stage with demodulated data obtained by reading a second data block of the upper stage, and demodulated data obtained by synthesizing demodulated data obtained by reading a first data block of a lower stage with demodulated data obtained by reading a second data block of the lower stage, as far as both of the demodulated data obtained by reading the first data block of the upper stage of two column codes structured by arranging WPC codes up and down at two columns and the demodulated data obtained by reading the first data block of the lower stage, contain a portion corresponding to data characters of the second data block, and as far as these sets of demodulated data are different from each other.

REFERENCES:
patent: 5689103 (1997-11-01), Watanabe et al.

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