Patent classifications
H
ELECTRICITY
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H03
ELECTRONIC CIRCUITRY
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H03H
IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
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11/00
Networks using active elements
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H03H11/34
Networks for connecting several sources or loads working on different frequencies or frequency bands, to a common load or source
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H03H11/342
particularly adapted for use in common antenna systems
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