Multicolor image forming method and apparatus

Details Multicolor image forming method and apparatus Multicolor image forming method and apparatus

1991-06-20

1992-10-20

Coles, Sr., Edward L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 80, H04N 140

Patent

active

051574837

ABSTRACT:
A multicolor image forming method includes a first step of optically scanning and color separating an original so as to obtain first image signals corresponding to R, G and B multicolor components, a second step of parallelly inputting the first image signals as address signals to a reference memory storing at least one reference table representative of at least two different types of color correction for converting the first image signals into second image signals corresponding to at least Y, M and C multicolor components, a third step of selecting second image signals corresponding to one color component from the second image signals corresponding to the multicolor components output from the reference memory, a fourth step of providing a latent image made by image exposure onto a moveable image carrier having a photoconductive property based on the second image signals corresponding to the color component selected in the third step, a fifth step of developing the latent image formed on the image carrier in the fourth step using a chromatic toner, a sixth step of repeating the third, fourth, and fifth steps while changing color components of the second image signals selected in the third step and the color toners used in the fifth step, and a seventh step of transferring a multicolor toner image formed on the image carrier to the transfer material.

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patent: 4668980 (1987-05-01), Stansfield et al.
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patent: 4953013 (1990-08-01), Tsuji et al.
William Beyer, CPC Standard Mathematic Tables, 26th Ed. (1982), p. 176.
German Official Action, Apr. 30, 1990, with attached English translation.
British Official Action, Dec. 7, 1990.
British Official Action, Aug. 22, 1991.

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