ARRANGEMENT FOR GENERATING ASYMMETRICAL GREEN LASER BEAM

Title:

ARRANGEMENT FOR GENERATING ASYMMETRICAL GREEN LASER BEAM

Document Type and Number:

WIPO Patent Application WO2005018860

Kind Code:

A3

Abstract:

A green laser beam is generated and is focused and shaped with an asymmetrical beam cross-section in an electro-optical reader for reading indicia. The green laser beam is also used to illuminate an aiming spot or pattern on the indicia prior to reading

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Inventors:

LI YAJUN

Application Number:

PCT/US2004/022419

Publication Date:

October 27, 2005

Filing Date:

July 12, 2004

Export Citation:

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Assignee:

SYMBOL TECHNOLOGIES INC (US)

International Classes:

G06K7/10; G06K7/12; (IPC1-7): G06K7/10; G06K9/24

Foreign References:

US5574740A	1996-11-12
US5593017A	1997-01-14
US5267252A	1993-11-30
US6459493B1	2002-10-01
US5712723A	1998-01-27

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