Dual line laser scanning system and scanning method for reading

Details Dual line laser scanning system and scanning method for reading Dual line laser scanning system and scanning method for reading

1995-10-13

1997-02-04

Shepperd, John

Registers

Coded record sensors

Particular sensor structure

G06K 710

Patent

active

056001193

ABSTRACT:
A system for reading bar code symbols or the like, having a scanner for generating a laser beam directed toward a target and producing a first narrowly spaced apart dual line scanning pattern that enables the user to manually aim and direct the beam to the location desired by the user and a relatively wider spaced apart dual line second scanning pattern that sweeps an entire symbol to be read, and a detector for receiving reflected light from such symbol to produce electrical signals corresponding to data represented by such symbol.

REFERENCES:
patent: 4418276 (1983-11-01), Yatsunami
patent: 4916297 (1990-04-01), Tukada et al.
patent: 4933538 (1990-06-01), Heiman et al.
patent: 5086215 (1992-02-01), Carsner et al.
patent: 5115121 (1992-05-01), Bianco et al.
patent: 5117098 (1992-05-01), Swartz
patent: 5168149 (1992-12-01), Dvorkis et al.

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