US PATENT SUBCLASS 318 / 637
.~ Analog computation


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

560  DF  POSITIONAL SERVO SYSTEMS (E.G., SERVOMECHANISMS) {23}
637.~ Analog computation


DEFINITION

Classification: 318/637

(under subclass 560) Subject matter in which included in the system is same form of analog computation. In other words, a mathematical problem solving servomechanism.

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661, for resolver systems which, for example, solve vector problems.

SEE OR SEARCH CLASS

708, Electrical Computers: Arithmetic Processing and Calculating,

1+, and 800+, respectively, for electric hybrid computers or analog computers which may include analog circuits employing servomechanisms.