US PATENT SUBCLASS 700 / 35
.~.~.~.~ Bidirectional (e.g., oscillatory)


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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}
32  DD  .~.~ Specific criteria of system performance {2}
33  DD  .~.~.~ Constraint or limit (e.g., max/min) {3}
35.~.~.~.~ Bidirectional (e.g., oscillatory)