Medical image forming method, forming apparatus of the same, and

Details Medical image forming method, forming apparatus of the same, and Medical image forming method, forming apparatus of the same, and

1992-11-30

1994-10-11

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428212, 428341, 428913, 428914, B41M 5035, B41M 538

Patent

active

053547250

ABSTRACT:
A medical image forming method including the steps of superposing a three-primary-color thermal transfer sheet and an image receiving sheet, the thermal transfer sheet having a base film and three color dye layers of yellow, magenta, and cyan, each of the dye layer being composed of a dye and a binder, the image receiving sheet having a dye accepting layer; heating the rear surface of the thermal transfer sheet with a heating device in an image shape; and driving and controlling the heating device with a control unit so as to form a full color image on the image receiving sheet. The control unit is adapted to compensate tones of the image so that chromaticity values thereof formed on the image receiving sheet are in a region defined by four points of (a*=0, b*=0), (a*=20, b*=-5), (a*=18, b*=15), and (a*=0, b*=15) when an achromatic color signal is input and L*=80. According to an aspect of the present invention, the control unit is adapted to compensate tones of three primary colors so that the density graduation of light red of an image in accordance with a light red signal sent to the control unit becomes high and thereby the low density region (light region) of the image formed in accordance with a achromatic color signal becomes reddish. According to another aspect of the present invention, since the dye layers are formed so that the light region becomes reddish and the dark region greenish, images where colors from light orange to light red can be easily distinguished are formed.

REFERENCES:
patent: 5260255 (1993-11-01), Sudo et al.

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