Nefedov et al., 2005 - Google Patents

Classifications

• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
  • H01P5/00—Coupling devices of the waveguide type
  • H01P5/12—Coupling devices having more than two ports
  • H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
  • H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
  • H01P5/181—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers the guides being hollow waveguides
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q15/00—Devices for reflection, refraction, diffraction, or polarisation of waves radiated from an aerial, e.g. quasi-optical devices
  • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
  • H01Q15/0086—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices having materials with a synthesized negative refractive index, e.g. metamaterials or left-handed materials
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
  • H01P1/00—Auxiliary devices
  • H01P1/20—Frequency-selective devices, e.g. filters
  • H01P1/201—Filters for transverse electromagnetic waves
  • H01P1/203—Strip line filters
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
  • H01P1/00—Auxiliary devices
  • H01P1/20—Frequency-selective devices, e.g. filters
  • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
  • H01P1/00—Auxiliary devices
  • H01P1/20—Frequency-selective devices, e.g. filters
  • H01P1/2005—Electromagnetic photonic bandgaps [EPB], or photonic bandgaps [PBG]
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q13/00—Waveguide horns or mouths; Slot aerials; Leaky-waveguide aerials; Equivalent structures causing radiation along the transmission path of a guided wave
  • H01Q13/20—Non-resonant leaky-waveguide or transmission-line aerials; Equivalent structures causing radiation along the transmission path of a guided wave
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q21/00—Aerial arrays or systems
  • H01Q21/06—Arrays of individually energised active aerial units similarly polarised and spaced apart
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q21/00—Aerial arrays or systems
  • H01Q21/0006—Particular feeding systems
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q1/00—Details of, or arrangements associated with, aerials
  • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q9/00—Electrically-short aerials having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
  • H01Q9/04—Resonant aerials
• • H—ELECTRICITY
  • H01—BASIC ELECTRIC ELEMENTS
  • H01Q—AERIALS
  • H01Q19/00—Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic
  • H01Q19/06—Combinations of primary active aerial elements and units with secondary devices, e.g. with quasi-optical devices, for giving the aerial a desired directional characteristic using refracting or diffracting devices, e.g. lens

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