FR1058285A - Directional aerial with moving radiation pattern - Google Patents
Directional aerial with moving radiation patternInfo
- Publication number
- FR1058285A FR1058285A FR1058285DA FR1058285A FR 1058285 A FR1058285 A FR 1058285A FR 1058285D A FR1058285D A FR 1058285DA FR 1058285 A FR1058285 A FR 1058285A
- Authority
- FR
- France
- Prior art keywords
- radiation pattern
- directional aerial
- moving radiation
- moving
- aerial
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/14—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying the relative position of primary active element and a refracting or diffracting device
-
- 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
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
- H01Q15/0026—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective said selective devices having a stacked geometry or having multiple layers
-
- 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
- H01Q15/006—Selective devices having photonic band gap materials or materials of which the material properties are frequency dependent, e.g. perforated substrates, high-impedance surfaces
-
- 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
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/10—Refracting or diffracting devices, e.g. lens, prism comprising three-dimensional array of impedance discontinuities, e.g. holes in conductive surfaces or conductive discs forming artificial dielectric
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1058285T | 1952-06-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1058285A true FR1058285A (en) | 1954-03-15 |
Family
ID=9598470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1058285D Expired FR1058285A (en) | 1952-06-12 | 1952-06-12 | Directional aerial with moving radiation pattern |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1058285A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3307196A (en) * | 1962-12-28 | 1967-02-28 | Armstrong Cork Co | Luneberg type lens formed by spiral winding elongated strip of variable dielectric constant material |
US4169268A (en) * | 1976-04-19 | 1979-09-25 | The United States Of America As Represented By The Secretary Of The Air Force | Metallic grating spatial filter for directional beam forming antenna |
-
1952
- 1952-06-12 FR FR1058285D patent/FR1058285A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3307196A (en) * | 1962-12-28 | 1967-02-28 | Armstrong Cork Co | Luneberg type lens formed by spiral winding elongated strip of variable dielectric constant material |
US4169268A (en) * | 1976-04-19 | 1979-09-25 | The United States Of America As Represented By The Secretary Of The Air Force | Metallic grating spatial filter for directional beam forming antenna |
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