US PATENT SUBCLASS 318 / 459
.~ Terminal voltage or counter-electromotive force of controlled motor

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

445  DF  AUTOMATIC AND/OR WITH TIME-DELAY MEANS (E.G., AUTOMATIC STARTING AND/OR STOPPING) {20}
459.~ Terminal voltage or counter-electromotive force of controlled motor

DEFINITION

Classification: 318/459

(under subclass 445) Subject matter in which the sensing means are responsive to the armature or primary circuit voltage, the terminal voltage, or the counter-electromotive-force of the motor being controlled.

SEE OR SEARCH THIS CLASS, SUBCLASS:

145, for generator-fed-motor systems having the generator controlled in response to the terminal voltage or counter e.m.f. of the motor.

368, for motor systems having the braking of the motor controlled in response to the terminal voltage or counter e.m.f. of the motor.

SEE OR SEARCH CLASS

322, Electricity: Single Generator Systems,

29, for generator control in response to generator voltage.