Image forming apparatus comprising pattern adding function
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United States of America Patent
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May 21, 2013
Grant Date -
Sep 29, 2011
app pub date -
Mar 1, 2011
filing date -
Mar 29, 2010
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus includes: a storage unit including unique information identify to an apparatus main unit; a setting unit including setting information of the apparatus main unit instead of the unique information; a pattern addition unit that adds an addition pattern based on a unique pattern generated from the unique information or a setting pattern generated from the setting information to image data that is input to the apparatus main unit; an image formation unit that forms a visual image of the image data and an addition image of the addition pattern which is hardly recognized by eyes on a recording medium; and a control unit that changes the addition pattern formed by the image formation unit from the unique pattern to the setting pattern when an error depending on the unique information occurs.
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