Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2008-01-01
2008-01-01
Le, Thien Minh (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
C235S472010
Reexamination Certificate
active
07314176
ABSTRACT:
A method of generating a complex laser scanning pattern from a bioptical laser scanning system for providing 360° of omnidirectional bar code symbol scanning coverage at a point of sale station that employs a plurality of laser scanning stations about two independently controlled rotating polygonal mirrors. The system has an ultra-compact construction, ideally suited for space-constrained retail scanning environments, and generates a 3-D omnidirectional laser scanning pattern between the bottom and side-scanning windows during system operation. The laser scanning pattern of the present invention comprises a complex of laser scanning planes, including a plurality of substantially-vertical laser scanning planes for reading bar code symbols having bar code elements (i.e. ladder type bar code symbols) that are oriented substantially horizontal with respect to the bottom-scanning window, and a plurality of substantially-horizontal laser scanning planes for reading bar code symbols having bar code elements (i.e. picket-fence type bar code symbols) that are oriented substantially vertical with respect to the bottom-scanning window.
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Product Brochure for the Magellan SL 360-Degree Scanner/Scale by PSC Inc., Webster, NY, Feb. 2000, pp. 1-2.
IBM
Le Thien Minh
Metrologic Instruments Inc.
Perkowski Esq. P.C. Thomas J.
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