Facsimile and static presentation processing – Static presentation processing – Attribute control
Reexamination Certificate
2007-09-24
2011-12-27
Perungavoor, Sath V (Department: 2624)
Facsimile and static presentation processing
Static presentation processing
Attribute control
C358S003130
Reexamination Certificate
active
08085444
ABSTRACT:
A leak-prohibited image to be subjected to leak prohibition is comprised of dots DT so that two dots are included in an 8×8 matrix at a resolution of600dpi. The leak-prohibited image is formed as a computer terminal acquires image data, converts the image data to an image comprised of discrete microdots DT which cannot be resolved by copying, and outputs the converted image. Because the leak-prohibited image cannot be copied even if an image including the leak-prohibited image is copied, copy-originated information leak can be prohibited. Synthesizing a concealment image having a regularly discrete pattern with such a leak-prohibited image makes it difficult to view the leak-prohibited image from other directions than a front, thus prohibiting information leak by peeping.
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Japanese Office Action mailed on Aug. 24, 2011, issued for JP Application No. 2006-259634, filed Sep. 25, 2006.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Perungavoor Sath V
Ricoh & Company, Ltd.
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