US PATENT SUBCLASS 318 / 639
.~.~ Plural, diverse conditions

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}
639.~.~ Plural, diverse conditions

DEFINITION

Classification: 318/639

(under subclass 638) Subject matter in which the error detector is responsive to plural, diverse conditions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

452+, for open-loop automatic motor controls responsive to plural, diverse conditions.