A hand-scanning color scanner is disclosed which comprises an image sensor provided with color-separation filters for outputting color-component signals, optical means, such as a lamp and other elements, for projecting an image of a manuscript on the image sensor, an encoder for generating pulses in...http://www.google.com/patents/US5305122?utm_source=gb-gplus-sharePatent US5305122 - Image reading and processing apparatus suitable for use as a color hand-held scanner
