Analog calculating
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United States of America Patent
Stats
-
May 16, 1995
Grant Date -
N/A
app pub date -
Dec 28, 1993
filing date -
Dec 28, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An analog calculating circuit capable of storing data. A calculating circuit according to the present invention converts an analog voltage level to a time value by using a charging voltage of an RC circuit and stores the time value as a number of clock cycles in a digital counter. The circuit then converts another voltage level to a second time value and either adds the second time value to or subtracts it from the first time value. This yields a time value corresponding to a multiplication or division, respectively, of the analog voltage levels.
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