US PATENT SUBCLASS 318 / 672
.~.~ Discontinuous or "on-off" control

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

560  DF  POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) {23}
671  DF  .~ With particular motor control system responsive to the "actuating signal" {10}
672.~.~ Discontinuous or "on-off" control {2}
673  DF  .~.~.~> Seeking switch type
674  DF  .~.~.~> Wheatstone bridge type

DEFINITION

Classification: 318/672

(under subclass 671) Subject matter in which the particular motor control is the discontinuous or "on-off" type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

599, for "on-off" and proportional control systems.