Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave

Child Classifications

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• H01Q 13/02 Waveguide horns
• H01Q 13/06 Waveguide mouths (horns H01Q13/02)
• H01Q 13/08 Radiating ends of two-conductor microwave transmission lines, e.g. of coaxial lines, of microstrip lines
• H01Q 13/10 Resonant slot antennas
• H01Q 13/20 Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave