Method and apparatus for multi-gradation display

Details Method and apparatus for multi-gradation display Method and apparatus for multi-gradation display

1987-02-26

1988-09-06

Groody, James J.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358283, 340793, H04N 574, H04N 140

Patent

active

047697130

ABSTRACT:
In a multi-gradation display method and apparatus by which a display signal formed by a picture element signal of any one of the levels of N gradations (where N is an integer equal to or greater than 3) is displayed on a display panel in which each picture element produces a two-gradation display, one frame is composed of (N-1) fields, and accordingly each picture element is supplied with a binary signal (N-1) times for each frame, and the binary signal is given one of its values by a number of times corresponding to the level value of the input picture element signal and the other value by the remaining number of times.

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