US PATENT SUBCLASS 318 / 612
.~.~ Electric braking near balance (e.g., dynamic)

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

560  DF  POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) {23}
611  DF  .~ With stabilizing features (e.g., anti-hunting, damping) {8}
612.~.~ Electric braking near balance (e.g., dynamic) {1}
613  DF  .~.~.~> D.C. in A.C. windings

DEFINITION

Classification: 318/612

(under subclass 611) Subject matter in which the stabilizing means is by electrical means such as dynamic braking of the servo motors as the system approaches balance. Dynamic braking is forcing the motor to act as a generator which thus absorbs its rotational energy.

SEE OR SEARCH THIS CLASS, SUBCLASS:

211, for induction motor braking systems using dynamic braking. Also subclasses 371 and 375, for motor braking

systems using dynamic braking.