Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01F
MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
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21/00
Variable inductances or transformers of the signal type
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H01F21/02
continuously variable, e.g. variometers
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H01F21/06
by movement of core or part of core relative to the windings as a whole
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H01F21/065
Measures for obtaining a desired relation between the position of the core and the inductance
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