Image reading method and image reading apparatus

Details Image reading method and image reading apparatus Image reading method and image reading apparatus

1995-07-31

1999-08-31

Couso, Jose L.

Image analysis

Image sensing

382162, 358509, 356420, 356425, G06K 700

Patent

active

059464275

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.

REFERENCES:
patent: 4636081 (1987-01-01), Saitoh et al.
patent: 4652913 (1987-03-01), Saitoh et al.
patent: 4658289 (1987-04-01), Nagano et al.
patent: 4716456 (1987-12-01), Hosaka
patent: 5023708 (1991-06-01), Maruyama et al.
patent: 5450215 (1995-09-01), Iwama

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