Pattern recognition system using switched capacitors
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United States of America Patent
Stats
-
Nov 13, 1984
Grant Date -
N/A
app pub date -
Jul 31, 1981
filing date -
Jul 31, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pattern recognition system includes a filter bank, coupled via rectifying elements to integrators which are coupled via different weighting elements to the summing nodes of a summing amplifier. The filter bank, integrators, and weighting elements include switched capacitors enabling the manufacture of the filters, rectifiers, integrators and weighting elements on a monolithic integrated circuit chip. The frequencies at which the capacitors are switched are programmable enabling the system to be easily 'retuned'.
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