Error variance circuit

Details Error variance circuit Error variance circuit

1995-11-16

1998-06-02

Wu, Xiao

Computer graphics processing and selective visual display system

Plural physical display element control system

Display elements arranged in matrix

345 60, 345147, G09G 336

Patent

active

057607567

ABSTRACT:
An error variance circuit, wherein a reproduced error, as detected at an error detection circuit, is added to the image signal of the input signal picture element of n bits, and wherein a variance output signal is converted into a signal of m (.ltoreq.n-l) bits and outputted to a display panel, includes a clear circuit that clears error at each frame and forcibly reduces the prior error to zero thus preventing excessive noise from preceding frames and non-image duration causing flickering of picture.

REFERENCES:
patent: 5089812 (1992-02-01), Fuse et al.
patent: 5122792 (1992-06-01), Stewart

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