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  • CPC
  • H01Q

Parent Industries

HELECTRICITY H01Electric elements

Current Industry

H01QAERIALS

Sub Industries

H01Q1/00Details of, or arrangements associated with, aerials H01Q11/00Electrically-long aerials having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements H01Q13/00Waveguide horns or mouths Slot aerials Leaky-waveguide aerials Equivalent structures causing radiation along the transmission path of a guided wave H01Q15/00Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial H01Q17/00Devices for absorbing waves radiated from an aerial Combinations of such devices with active aerial elements or systems H01Q19/00Combinations of primary active aerial elements and units with secondary devices H01Q21/00Aerial arrays or systems H01Q23/00Aerials with active circuits or circuit elements integrated within them or attached to them H01Q25/00Aerials or aerial systems providing at least two radiating patterns H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an aerial or aerial system H01Q5/00Arrangements for simultaneous operation of aerials on two or more different wavebands H01Q7/00Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop H01Q9/00Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
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