Video signal mixing unit for simultaneously displaying video signals having different picture aspect ratios and resolutions
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United States of America Patent
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Oct 31, 1989
Grant Date -
N/A
app pub date -
Feb 12, 1988
filing date -
Feb 14, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A display control unit for combining first video signal transmitted from a first video information source which is controlled by a first pixel clock and a first synchronizing signal with second video signal transmitted from a second video information source which is controlled by a second pixel clock and a second synchronizing signal so that the first and the second video signals can be displayed on a CRT display device which is controlled by the first pixel clock and the first synchronizing signal.
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