Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01P
WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
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H01P1/20
Frequency-selective devices, e.g. filters
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H01P1/215
using ferromagnetic material
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H01P1/218
the ferromagnetic material acting as a frequency selective coupling element, e.g. YIG-filters
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