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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5/00
Coupling devices of the waveguide type
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H01P5/12
Coupling devices having more than two ports
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H01P5/16
Conjugate devices, i.e. devices having at least one port decoupled from one other port
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H01P5/18
consisting of two coupled guides, e.g. directional couplers
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