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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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7/00
Multiple-port networks comprising only passive electrical elements as network components
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H03H7/18
Networks for phase shifting
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H03H7/19
Two-port phase shifters providing a predetermined phase shift, e.g. "all-pass" filters
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