Image sensing apparatus and method
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United States of America Patent
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Jul 4, 2006
Grant Date -
N/A
app pub date -
Jun 19, 1997
filing date -
Jun 28, 1996
priority date (Note) -
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Abstract
An image sensing apparatus senses an image by illuminating a document by a light source including three light emitting diodes which emit light of red, green, and blue so that the light reflected from the document is incident on a sensor array which in turn generates an electric signal corresponding to the incident light, wherein a predetermined light emitting diode is also turned on during a period in which no image sensing operation is performed thereby making it possible to stabilize the intensity of light illuminating an image. Thus, the invention provides a high-performance and small-sized image sensing apparatus at a low cost.
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