US PATENT SUBCLASS 341 / 163
.~.~.~ Recirculating


Current as of: June, 1999
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341 /   HD   CODED DATA GENERATION OR CONVERSION

126  DF  ANALOG TO OR FROM DIGITAL CONVERSION {12}
155  DF  .~ Analog to digital conversion {6}
158  DF  .~.~ Analog input compared with static reference {6}
163.~.~.~ Recirculating


DEFINITION

Classification: 341/163

Recirculating:

(under subclass 158) Subject matter wherein the analog signal is compared with a fixed reference signal and, depending on their relative magnitudes, either the analog signal itself or the difference between the analog signal and the reference signal is amplified and fed back for comparison with the same reference value.

SEE OR SEARCH CLASS

377, Electrical Pulse Counters, Pulse Dividers, or Shift Registers: Circuits and Systems, appropriate subclasses for recirculating registers.