Bar code reader

Details Bar code reader Bar code reader

1991-04-12

1992-06-30

Levy, Stuart S.

Registers

Coded record sensors

Particular sensor structure

235454, 235456, 235470, 235472, G06K 710

Patent

active

051265443

ABSTRACT:
A barcode reader provided with a skewed reading circuit is provided wherein the image of a barcode symbol to be scanned by a scanner is divided into as multiplicity of pixels by dividing it in the scanning direction of the scanner and the direction orthogonal to the scanning direction and the pixels or the binary data corresponding to the pixels along lines of a skewed reading direction which are relative to the scanning direction of the scanner by a specified angle of n (.THETA.) are read out by the skewed reading circuit where n is an integer greater than 1. This skewed reading circuit allows the angle allowable for scanning and readign when the barcode symbol is skewed relative to the scanning direction.

REFERENCES:
patent: 4323772 (1982-04-01), Serge
patent: 4652730 (1987-03-01), Marshall
patent: 4860275 (1989-08-01), Kakinuma et al.
patent: 4866784 (1989-09-01), Barski
patent: 4896025 (1990-01-01), Kasegawa
patent: 4916298 (1990-04-01), Raphael
patent: 4931628 (1990-06-01), Wada
patent: 4988852 (1991-01-01), Krishnan
patent: 5019699 (1991-05-01), Koenck
patent: 5023922 (1991-06-01), Abramovitz et al.

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