Method and control system architecture for controlling tone repr

Details Method and control system architecture for controlling tone repr Method and control system architecture for controlling tone repr

1993-02-24

1995-11-28

Wong, Peter S.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358300, 358401, 358406, 358468, 355208, 347133, H04N 100, H04N 132, G03G 2100, G01D 1514

Patent

active

054713137

ABSTRACT:
A controls system architecture for an image output terminal (IOT) has a hierarchical structure which isolates subsystem controls for purposes of efficient algorithm design, analysis and implementation. The architecture is preferably divided into three levels and has a controls supervisor which provides subsystem isolation functions and reliability assurance functions. The architecture improves image quality of IOT outputs by controlling the operation of the IOT to ensure that a toner reproduction curve of an output image matches a tone reproduction curve of an input image, despite several uncontrollable variables which change the tone reproduction curve of the output image.

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