US PATENT SUBCLASS 700 / 43
.~.~.~ Proportional-Derivative (P-D)

Current as of: June, 1999
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700 /   HD   DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS

1  DD  GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS {15}
28  DD  .~ Optimization or adaptive control {13}
40  DD  .~.~ Plural modes {2}
43.~.~.~ Proportional-Derivative (P-D)