Display controller for producing multi-gradation images
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United States of America Patent
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Apr 24, 2007
Grant Date -
Jun 16, 2005
app pub date -
Dec 16, 2003
filing date -
Dec 16, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Through a plurality of consecutive frames, a display controller produces a multi-gradation image on a display device formed by a plurality of binary-state pixels in an array. The display controller includes an image memory for providing each of the pixels with gradation data. A waveform pattern selector outputs a waveform pattern selecting signal for causing a waveform pattern memory to provide any two adjacent pixels with two different sets of waveform pattern signals. The plurality of consecutive frames are operated at a fixed frame rate, which is set high enough for preventing visual disturbances.
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