Process for the display of different grey levels and system for performing this process
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United States of America Patent
Stats
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Jun 10, 1997
Grant Date -
N/A
app pub date -
Nov 17, 1994
filing date -
May 21, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention relates to a method for displaying different levels of grey on a matrix screen including pixels arranged along R rows and M columns of images having Q.sub.S levels of grey and obtained by addition to each pixel during the writing of image data line-by-line, during Sub-times (lines or frames, S being at least 2), of a succession of discrete luminance levels selected from among N such that any grey hue included between 0 and Q.sub.S-1 may be defined by the addition of S said luminance levels. The invention also relates to a system for implementing such method. Particular utility for the present invention is found in the area of displaying data on micropoint screens.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 11 Citation Count
- G09G Class
- 33.33 % this patent is cited more than
- 28 Age