Back-branding media determination system for inkjet printing
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United States of America Patent
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-
Jul 1, 2003
Issued Date -
N/A
app pub date -
Aug 30, 2000
filing date -
Jun 30, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system of classifying the type of incoming media entering an inkjet or other printing mechanism is provided to identify the media according to markings or identifying indicia on the back surface of the media opposite the printing surface which ultimately bears the printed image. The printing surface of the incoming media is optically scanned using a blue-violet light to obtain both diffuse and specular reflectance values. A spatial frequency signature for the incoming media is compared with known values for different types of media to classify the media according to major categories (transparencies, glossy photo media, premium or plain paper), and specific types of media within these categories (matte photo, premium, or high-gloss photo media). An optimum print mode is selected according to the determined media type to automatically generate outstanding images without bothersome user intervention. A printing mechanism constructed to implement this method is also provided.
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