Display control circuit
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United States of America Patent
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-
Sep 18, 1990
Grant Date -
N/A
app pub date -
Aug 28, 1985
filing date -
Sep 25, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an integrated circuit for arithmetic operation and display control connected to a power source (46) and a liquid crystal display device (45), and energized by the power source, including an arithmetic operation circuit (42) for performing a designated artithmetic operation, wherein the result of the arithmetic operation is displayed by the display device, a boosting circuit (43) receives and boosts the voltage from the power source (46), a drive circuit (44) is powered by the boosting circuit (43) to drive the liquid crystal display device (45), and a control circuit (41) causes interruption of the driving of the display device when the arithmetic operation circuit (42) is carrying out the arithmetic operation.
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