US PATENT SUBCLASS 318 / 594
.~.~.~ Digital systems

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

560  DF  POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) {23}
590  DF  .~ Multiple mode systems {4}
592  DF  .~.~ Fine and coarse systems {3}
594.~.~.~ Digital systems

DEFINITION

Classification: 318/594

(under subclass 592) Subject matter in which the system in at least one operating mode is controlled by digital means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

569+, for digital servo systems responsive to a program or pattern.

600+, for digital servo systems, per se.