US PATENT SUBCLASS 322 / 97
.~.~.~ Resistance control

Current as of: June, 1999
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322 /   HD   ELECTRICITY: SINGLE GENERATOR SYSTEMS

44  DF  GENERATOR CONTROL {11}
89  DF  .~ With armature or primary circuit control {5}
95  DF  .~.~ By armature circuit impedance {2}
97.~.~.~ Resistance control {1}
98  DF  .~.~.~.~> In circuit across brushes or in shunt to generator

DEFINITION

Classification: 322/97

(under subclass 95) Subject matter wherein the armature circuit impedance is a resistance.

SEE OR SEARCH CLASS

318, Electricity: Motive Power Systems, and

514+, for motor control by armature circuit resistor.

323, Electricity: Power Supply or Regulation Systems,

369, for resistance systems. 388, Electricity: Motor Control Systems,

800+, and 825+ for motor speed control systems and 842+ and 848+ for motor acceleration control systems including selectable or variable impedance devices.