Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1990-05-18
1992-10-13
Moore, David K.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 80, G03F 308
Patent
active
051555875
ABSTRACT:
A color information converting device for use in a color image recorder for processing image density signals each being representative of a particular color-separated image density to produce a record density signal representative of the record density of black, cyan, magenta or yellow. The device adds an undercolor to an image easily with a simple and inexpensive construction and produces a record density signal representative of full black or skeleton black also easily with a simple and inexpensive construction. In a full-color record mode, image density signals are transformed into record density signals by constants which are associated with the values of the image density signals while, in a monocolor record mode, the former is transformed into the latter by constants which are not related to the values of the image density signals. This implements combined full-color and monocolor recording which is excellent in color-reproducibility.
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patent: 4887150 (1989-12-01), Chiba et al.
patent: 4908712 (1990-03-01), Uchiyama et al.
patent: 4985759 (1991-01-01), Ito
Moore David K.
Ricoh & Company, Ltd.
Stellrecht Barry
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