Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1994-10-24
1999-09-28
Wu, Xiao
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345441, G09G 536
Patent
active
059596066
ABSTRACT:
A rasterizer, particularly suited for generating patterns for semiconductor masks and the like is described. An 8.times.8 array uses RAS, CAS and WE signals in addition to the memory address for accessing the array. A state machine is used to convert the pattern data (e.g., type of object orientation, etc.) into accessing data with the WE generator being driven through a ROM.
REFERENCES:
patent: 3870922 (1975-03-01), Shutoh
patent: 4280186 (1981-07-01), Hidai et al.
patent: 4530064 (1985-07-01), Takigawa et al.
Goodman Allan L.
Green Morris H.
Jolley Matthew J.
Teitzel Robin L.
Wipfli John L.
Etec Systems, Inc.
Klivans Norman R.
Wu Xiao
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