Drive system for a flat type display device
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United States of America Patent
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Apr 13, 1999
Grant Date -
N/A
app pub date -
Aug 30, 1996
filing date -
Sep 1, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The number of vertical scanning in one field of a video signal is detected, and the number of scanning lines pulses at each row electrode of a liquid crystal display is determined in accordance with the difference between the determined number of vertical scanning lines number and the number of the row electrodes. The determined number of scanning pulses is stored in a retrace line interval. Scanning pulses are applied to the corresponding row electrode in a scanning interval. The number of row electrodes to which the scanning pulses are applied is the stored number of scanning pulses.
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