AU7885275A - An antenna witha beam of variable beam width for operation inthe millimetre waveband - Google Patents
An antenna witha beam of variable beam width for operation inthe millimetre wavebandInfo
- Publication number
- AU7885275A AU7885275A AU78852/75A AU7885275A AU7885275A AU 7885275 A AU7885275 A AU 7885275A AU 78852/75 A AU78852/75 A AU 78852/75A AU 7885275 A AU7885275 A AU 7885275A AU 7885275 A AU7885275 A AU 7885275A
- Authority
- AU
- Australia
- Prior art keywords
- witha
- antenna
- variable
- beam width
- millimetre waveband
- 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
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
- H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
- H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
- H01Q19/195—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface wherein a reflecting surface acts also as a polarisation filter or a polarising device
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7408257A FR2264407B1 (en) | 1974-03-12 | 1974-03-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU7885275A true AU7885275A (en) | 1976-09-09 |
AU485678B2 AU485678B2 (en) | 1976-09-09 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
GB1488590A (en) | 1977-10-12 |
IT1032256B (en) | 1979-05-30 |
FR2264407A1 (en) | 1975-10-10 |
FR2264407B1 (en) | 1978-02-10 |
BE826544A (en) | 1975-06-30 |
DE2510574A1 (en) | 1975-09-18 |
NL7502818A (en) | 1975-09-16 |
ZA751520B (en) | 1976-02-25 |
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