Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2007-05-15
2007-05-15
Kim, Ahshik (Department: 2876)
Registers
Coded record sensors
Particular sensor structure
C235S462410, C235S462420
Reexamination Certificate
active
10895271
ABSTRACT:
A hand-supportable digital imaging-based bar code symbol reading device comprises: an automatic object presence detection subsystem; a multi-mode area-type image formation and detection subsystem having a field of view (FOV), and narrow-area and wide area image capture modes of operation; a multi-mode LED-based illumination subsystem having narrow-area and wide area illumination modes of operation; an automatic light exposure measurement and illumination control subsystem; an image capturing and buffering subsystem; an image-processing bar code symbol reading subsystem; an input/output subsystem; and a system control subsystem. In the digital imaging-based bar code reading device of the present invention, the automatic illumination and exposure control subsystem continuously measures the light exposure incident upon a central portion of the FOV, and automatically controls the operation of the LED-based multi-mode illumination subsystem so that the detected object is sufficiently illuminated and the multi-mode image formation and detection subsystem enabled to form and detect good quality digital images of the automatically detected object during illumination and imaging operations.
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Amundsen Thomas
Au Ka Man
Bonanno John
Byun Sung
Ghosh Sankar
Kim Ahshik
Metrologic Instruments Inc.
Perkowski Esq. P.C. Thomas J.
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