US PATENT SUBCLASS 314 / 121
.~.~ Plural coils

Current as of: June, 1999
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314 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: CONSUMABLE ELECTRODES

113  DF  ELECTROMAGNETIC OPERATOR AND/OR FEED-CONTROLLING {3}
119  DF  .~ With electromagnetically operated separating {3}
121.~.~ Plural coils {4}
122  DF  .~.~.~> Three or more
123  DF  .~.~.~> Interconnected lever system {1}
125  DF  .~.~.~> Coaxial coils
126  DF  .~.~.~> Opposed magnetic flux type

DEFINITION

Classification: 314/121

(under subclass 119) Subject matter having two or more electromagnet coils which may be on the same or different cores.

(1) Note. Usually, one of the coils is connected in an electrical shunt with the discharge space and the other is connected is series electrically with the discharge space.

(2) Note. Continue the search in subclasses 67, 86, 106, 118, and 120 of this class.