US PATENT SUBCLASS 318 / 124
.~.~.~ A.C. and D.C. sources

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

119  DF  RECIPROCATING OR OSCILLATING MOTOR {4}
122  DF  .~ Plural, diverse or diversely controlled motor windings {2}
123  DF  .~.~ Polyphase or diverse or diversely controlled sources of motor supply {1}
124.~.~.~ A.C. and D.C. sources

DEFINITION

Classification: 318/124

(under subclass 123) Subject matter in which at least one of the sources is a unidirectional current source (including pulsating DC current) and at least one other of the sources is an alternating (i.e., reversing polarity) current source.

SEE OR SEARCH THIS CLASS, SUBCLASS:

441, and the subclasses listed in the Search Notes thereto, for other motor systems having AC, and DC sources of supply for the motor.

SEE OR SEARCH CLASS

307, Electrical Transmission or Interconnection Systems,

22, for plural load circuit systems supplied either from an AC of DC source, and subclasses 43+ for systems having a plurality of supply circuits or sources which may be AC or DC.