US PATENT SUBCLASS 318 / 590
.~ Multiple mode 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.~ Multiple mode systems {4}
591  DF  .~.~> With mode-engagement features (e.g., manual to automatic)
592  DF  .~.~> Fine and coarse systems {3}
596  DF  .~.~> Combined "on-off" and proportional control
597  DF  .~.~> Slewing systems {1}

DEFINITION

Classification: 318/590

(under subclass 580) Subject matter in which the servomechanism may operate or be operated in a plurality of different modes.

SEE OR SEARCH CLASS

364, Electrical Computers and Data Processing Systems,

180+, for data processing control systems which include multiple modes.