Television – Camera – system and detail – Combined image signal generator and general image signal...
Reexamination Certificate
2008-09-22
2011-11-15
Selby, Gevell (Department: 2622)
Television
Camera, system and detail
Combined image signal generator and general image signal...
C348S208140, C348S222100
Reexamination Certificate
active
08059168
ABSTRACT:
A triggering system and process for a form reader is shown using a histogram of the optical scene. The form reader is open on three sides with a camera facing a platen on to which a form is placed. The camera converts the light rays reflected from the platen into a video stream that is sent to a processor. A change in content of a first light intensity level contrasted to the content of a second light intensity level is used to determine when the form enters the scene. Illustratively, the first light intensity level represents black levels and the second light intensity levels represent white levels. A threshold is pre-determined that isolates the first light intensity content, and when the first light intensity content remains constant (after the presence of a form) the form is deemed to be still wherein the system may then read the information on the form.
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Freeman, Esq. Kia L.
GTech Corporation
McCarter & English LLP
Selby Gevell
LandOfFree
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