Classifications

• • H—ELECTRICITY
  • H01—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
  • H01P1/2131—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies with combining or separating polarisations
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01Q—ANTENNAS, i.e. RADIO AERIALS
  • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, 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

Applications Claiming Priority (1)

Publications (1)

Family

ID=9596262

Family Applications (2)

Family Applications After (1)

Country Status (2)

Families Citing this family (2)

• 0
  • NL NL92281D patent/NL92281C/xx active
  • NL NLAANVRAGE7902086,A patent/NL173387B/xx unknown
• 1951
  • 1951-11-19 FR FR1054112D patent/FR1054112A/fr not_active Expired
• 1952
  • 1952-10-30 FR FR63340D patent/FR63340E/fr not_active Expired

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