US PATENT SUBCLASS 318 / 664
.~.~.~.~ Minor arc seeking

Current as of: June, 1999
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318 /   HD   ELECTRICITY: MOTIVE POWER SYSTEMS

560  DF  POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) {23}
638  DF  .~ With particular "error-detecting" means {13}
652  DF  .~.~ With particular position measuring instruments {7}
663  DF  .~.~.~ Potentiometer systems including autotransformers and Wheatstone bridges {4}
664.~.~.~.~ Minor arc seeking

DEFINITION

Classification: 318/664

(under subclass 663) Subject matter in which the position measuring potentiometer is circular and means are provided to sense the minor arc to be travelled in reaching the commanded position whereby positioning will be achieved in minimum time.