Raster assembly processor
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United States of America Patent
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-
Aug 7, 1990
Grant Date -
N/A
app pub date -
Oct 4, 1988
filing date -
Oct 4, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for combining a plurality of video signals and various forms of still imagery such as text or graphics into a single high resolution display is disclosed. The invention system utilizes a multiport memory and a key based memory access system to flexibly compose a multiplicity of video signals and still images into a full color high definition television display comprising a plurality of overlapping windows.
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