Image forming apparatus having means to register marker pens use

Details Image forming apparatus having means to register marker pens use Image forming apparatus having means to register marker pens use

1994-03-10

1996-09-03

Rogers, Scott A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358453, H04N 1387

Patent

active

055529003

ABSTRACT:
In an image forming apparatus, a color processing circuit calculates a ratio of color components of an image signal supplied from a CCD sensor. In a marker pen registering mode, its color components are detected by a marker color detecting section and stored in memory of a marker registering/canceling section. When the color of the marker pen is canceled, its color components are deleted from memory of the marker registering/canceling section. Since it is possible to cancel/register the marker pen, any general-purpose marker pen, in addition to a marker pen used exclusively for the apparatus, can be used upon editing. Thus, image editing can be implemented without using any designating means specific only to the apparatus.

REFERENCES:
patent: 4538182 (1985-08-01), Saito et al.
patent: 5028991 (1991-07-01), Sekizawa et al.

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