Image reading method and image reading apparatus
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United States of America Patent
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Aug 31, 1999
Grant Date -
N/A
app pub date -
Jul 31, 1995
filing date -
Dec 9, 1994
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Abstract
An image reading method and apparatus enable a high-speed, efficient reading of a multicolor image and a monochromatic image. The image reading apparatus has a color image pickup unit, a first light source and a second light source. An output switching unit selectively switches to either a first output state, where plural kinds of read information from the color image pickup unit are all output as a result of an image reading, or a second output state, where only one kind of read information among the plural kinds of read information from the color image pickup unit is selected to be output as a result of an image reading. A lighting control unit controls lighting conditions of the first light source and the second light source. A switching control unit controls a switching condition of the output switching unit.
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