Dual line laser scanning system and scanning method for reading multidimensional bar codes
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United States of America Patent
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Feb 4, 1997
Issued Date -
N/A
app pub date -
Oct 13, 1995
filing date -
Oct 21, 1988
priority date (Note) -
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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.
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