US PATENT SUBCLASS 318 / 567
.~ Program- or pattern-controlled 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}
567.~ Program- or pattern-controlled systems {3}
568.1  DF  .~.~> With program recording or composing means {1}
569  DF  .~.~> Digital or numerical systems {1}
575  DF  .~.~> Multiple axes analog systems {3}

DEFINITION

Classification: 318/567

(under subclass 560) Subject matter having means whereby the command signal for the system is varied in response to a predetermined program or pattern thereby establishing a predetermined pattern or schedule for the positions of the controlled member.

SEE OR SEARCH THIS CLASS, SUBCLASS:

162+, for open loop pattern control systems.

SEE OR SEARCH CLASS

29, Metal Working,

64, for automatic machines which perform a cycle or operations in response to some mechanism.

66, Textiles: Knitting, 215+, and 231+ for automatic knitting machines which perform a sequence of operations.

91, Motors: Expansible Chamber Type,

36, and 37 for fluid motor systems responsive to a pattern or program.

364, Electrical Computers and Data Processing Systems,

167.02+, and 474.01, respectively, for supervisory control or programmable digital computers; see the search class note in the class definition of this class (318).

409, Gear Cutting, Milling, or Planning,

2+, 79+, 245+, and 289+ for a gear cutting, milling, or planning machine adapted to operate in response to a pattern

or program.