Registers – Calculators – Input-output calculator to indicator – printer – etc.
Patent
1972-02-03
1976-11-09
Cook, Daryl W.
Registers
Calculators
Input-output calculator to indicator, printer, etc.
G06K 1906
Patent
active
039913007
ABSTRACT:
A bar code label having a series of bars of two different widths, namely a narrow bar and a wide bar. The bars may be formed in black and white to be read by an optical scanner of the type described in my Co-pending Application entitled, "Bar Code Scanner" filed on even date herewith. The bars are allocated to equal width "slots" and are given a binary weight according to a standard hexadecimal code. The black and white bars may be used interchangeably to represent the same logic state. Accordingly, the logic information is obtained only as a result of the detection of wide and narrow bars.
REFERENCES:
patent: 3044696 (1962-07-01), Feissel
patent: 3359405 (1967-12-01), Sundblad
patent: 3543007 (1970-11-01), Brinker et al.
patent: 3585367 (1971-06-01), Humbarger
patent: 3636317 (1972-01-01), Torrey
patent: 3671722 (1972-06-01), Christie
Cook Daryl W.
Norand Corporation
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