Image scanning apparatus
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United States of America Patent
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Apr 18, 2017
Grant Date -
Oct 6, 2016
app pub date -
Mar 28, 2016
filing date -
Mar 30, 2015
priority date (Note) -
In Force
status (Latency Note)
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Abstract
In a scanning apparatus, a controller is configured to obtain black reference data, compensated data based on digital data (scan data) by scanning a reference member with the light source turned off, and the black reference data. The controller further compares the compensated data with a first particular value. The controller executes the compensated data obtaining process with setting the light amount adjustment value to be a smaller value when the compensated data is greater than the first particular value, while with setting the light amount adjustment value to be a greater value when the compensated data is less than the first particular value. Further, the controller sets the light amount adjustment value to be a scan-time light amount adjustment value when the light amount adjustment value is equal to the first particular value. Then, the controller executes a scanning process according to the scan-time light amount adjustment value.
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Cited Art Landscape
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