US PATENT SUBCLASS 388 / 926
.~.~ Which controls a vacuum tube or solid-state device in motor circuit

Current as of: June, 1999
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388 /   HD   ELECTRICITY: MOTOR CONTROL SYSTEMS

923  DF  SPECIFIC FEEDBACK CONDITION OR DEVICE {6}
924  DF  .~ Centrifugal device (e.g., governor) {4}
926.~.~ Which controls a vacuum tube or solid-state device in motor circuit

DEFINITION

Classification: 388/926

Which controls a vacuum tube or solid-state device in motor circuit:

Subject matter under art collection 924 wherein a signal from the rotary mechanical device is applied to a vacuum tube, or a solid state device, which is a part of a motor control circuit.