US PATENT SUBCLASS 336 / 146
.~.~ Inductance change in plural coils

Current as of: June, 1999
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336 /   HD   INDUCTOR DEVICES

137  DF  WITH MEANS TO CHANGE COIL LENGTH OR CONNECTIONS {8}
145  DF  .~ Plural coils (e.g., transformers) {3}
146.~.~ Inductance change in plural coils

DEFINITION

Classification: 336/146

(under subclass 145) Subject matter having means for changing the coil length and/or connections of a plurality of the coils.

SEE OR SEARCH THIS CLASS, SUBCLASS:

138, where the coils are spaced in parallel relationship and a movable contactor contacts both coils to include an equivalent portion of both coils in circuit.

143, where one of the coils is provided with connection reversing means.

144, where one of the coils is provided with means to vary the number of short- circuited turns.