Image processing method, apparatus and controller

Details Image processing method, apparatus and controller Image processing method, apparatus and controller

1997-12-12

2000-08-29

Grant, II, Jerome

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358458, 358461, H04N 140

Patent

active

061116645

ABSTRACT:
An image forming apparatus and method in which a controller is capable of executing image processing of its own are disclosed. The controller has an RF unit for processing image information, a halftone image processor, a density corrector and a patch generator. The engine includes a modulator corresponding to the RF unit, a halftone image processor different from that of the controller, a density controller, modulator and patch generator corresponding to the halftone processor of the engine, a sensor for sensing the density of formed patches, and a control unit for controlling the density of an image on the basis of a signal from the sensor. The engine sends the controller a signal relating to density control.

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patent: 5594557 (1997-01-01), Rolleston et al.
patent: 5731823 (1998-03-01), Miller
patent: 5828780 (1998-10-01), Suzuki

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