Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2005-01-04
2005-01-04
Le, Thien M. (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
C235S462250
Reexamination Certificate
active
06837437
ABSTRACT:
In a planar light illumination and imaging (PLIIM) system, a planar light illumination module (PLIM) of compact construction produces a planar laser illumination beam (PLIB) which emanates substantially within a single plane along the direction of beam propagation towards an object to be optically illuminated and imaged. The PLIM comprises a module housing which has an axial extent, first and second end portions, a central bore formed along the axial extent, and a recess integrally formed in the second end portion. A visible laser diode (VLD) is mounted along the bore at the first end portion of the module housing, for producing a laser beam generally along the axial extent. A focusing lens is mounted along the bore between the first and second end portions, for focusing the laser beam to a predetermined focal point. A laser beam expansion element is mounted within the recess at the second end portion of the module housing, and expanding the laser beam along a predetermined direction and producing a substantially planar laser illumination beam from the beam expansion component.
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Amundsen Thomas
Dobbs Russell Joseph
Knowles Carl Harry
Naylor Charles A.
Schnee Michael D.
Le Thien M.
Metrologic Instruments Inc.
Perkowski Esq. P.C. Thomas J.
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