B - Operations – Transporting – 41 – L
Patent
B - Operations, Transporting
41
L
178/3.2
B41L 19/00 (2006.01) H04N 1/195 (2006.01) H04N 1/48 (2006.01)
Patent
CA 1175360
- 1 - ABSTRACT OF THE INVENTION A document 14 to be read is illuminated by light source 10 and imaged by optics 16 onto a single 19 integrated defector array made up of a number of photosensitive linear arrays 20, 22, 24, 26. Each linear detector is read out to provide a line scan of the document. The document is then translated across the line, or its image is caused to translate to achieve the same result, and each linear array is read out again, resulting in raster input scanning of the document. The detector array consists of three or more linear arrays fabricated on the same integrated detector array 19 and located one above the other and horizontally aligned. Each one of the three arrays 20, 22, 24 is covered with a color filter 21, 23, 25, so that it only sees one color light (i.e., red, green, or blue). By reading the three arrays out in parallel, all three colors on the document are read simultaneously. The only difference between the three images (besides color), is that at any point in time, each one is at a different height on the document. This difference is eliminated by simply remembering which line each image is on and correctly formatting the data which reaches a printing device or is stored on a memory.
377530
Sim & Mcburney
Xerox Corporation
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