Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2005-02-08
2005-02-08
Le, Thien M. (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
C235S472010
Reexamination Certificate
active
06851610
ABSTRACT:
A tunnel-type automatic package identification system for automatically identifying packages transported along a conveyor belt structure. The tunnel-type automatic package identification system comprises a data communications network, a package dimensioning subsystem and a package identification unit. The package identification subsystem is mounted above a conveyor belt structure in a work environment, and includes: a linear imaging subsystem having a field of view (FOV) with variable zoom and variable focus characteristics, for producing linear images of packages as said packages are transported along said conveyor belt structure and beneath said package identification subsystem; and a camera control computer operably connected to the linear imaging subsystem and the package dimensioning subsystem, and the communication medium of the data communications network. The camera control computer receives the package dimension data producing zoom and focus control signals for automatically and dynamically controlling the variable zoom and variable focus characteristics of the linear imaging subsystem as the package is transported beneath the package identification subsystem. The camera control computer receives the package dimension data, and producing zoom and focus control signals for automatically and controlling the variable zoom and variable focus characteristics of the linear imaging subsystem as the package is transported past the package identification subsystem. An image keying station, located remotely from the work environment, is connected to the communications medium by way of an Ethernet-over-fiber-optic data communication link, and enables the operator of the image keying station to visually display images of packages which can not be identified by computer-based image processing, so that the operator may read such images and manually keyed into a database, information which identifies the package associated with the operator-read image. By virtue of the present invention, images of packages can be captured with constant dpi resolution, and if necessary, manually identified at a highly remote image keying station, thereby providing increased flexibility in setting up tunnel-type automatic package identification systems in industrial environments where high noise levels and other distractions to carrying out manual image reading operations are predominant.
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Kim Steven Y.
Knowles C. Harry
Le Thien M.
Metrologic Instruments Inc.
Thomas J. Perkowski Esq., P.C.
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