CH529450A - Double reflection antenna - Google Patents
Double reflection antennaInfo
- Publication number
- CH529450A CH529450A CH1021571A CH1021571A CH529450A CH 529450 A CH529450 A CH 529450A CH 1021571 A CH1021571 A CH 1021571A CH 1021571 A CH1021571 A CH 1021571A CH 529450 A CH529450 A CH 529450A
- Authority
- CH
- Switzerland
- Prior art keywords
- double reflection
- reflection antenna
- antenna
- double
- reflection
- Prior art date
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3394070 | 1970-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH529450A true CH529450A (en) | 1972-10-15 |
Family
ID=10359353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH1021571A CH529450A (en) | 1970-07-13 | 1971-07-12 | Double reflection antenna |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH529450A (en) |
DE (1) | DE2134797A1 (en) |
FR (1) | FR2098372B1 (en) |
GB (1) | GB1305117A (en) |
NL (1) | NL7109661A (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2522888A1 (en) * | 1982-03-02 | 1983-09-09 | Thomson Csf | ANTENNA WITH DOUBLE REFLECTOR WITH POLARIZATION TRANSFORMER INCORPORATED |
FR2540296A1 (en) * | 1983-01-31 | 1984-08-03 | Thomson Csf | SPATIAL CIRCULAR POLARIZING ELECTROMAGNETIC WAVE FILTER AND CASSEGRAIN ANTENNA COMPRISING SUCH A FILTER |
GB2234858A (en) * | 1988-09-02 | 1991-02-13 | Thorn Emi Electronics Ltd | Cassegrain antenna |
CN106025487B (en) * | 2016-05-06 | 2019-03-26 | 西安恒达微波技术开发有限公司 | A kind of direction-finder antenna and DF antenna system |
-
1970
- 1970-07-13 GB GB1305117D patent/GB1305117A/en not_active Expired
-
1971
- 1971-07-12 DE DE19712134797 patent/DE2134797A1/en active Pending
- 1971-07-12 CH CH1021571A patent/CH529450A/en not_active IP Right Cessation
- 1971-07-13 NL NL7109661A patent/NL7109661A/xx unknown
- 1971-07-13 FR FR7125604A patent/FR2098372B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1305117A (en) | 1973-01-31 |
NL7109661A (en) | 1972-01-17 |
FR2098372B1 (en) | 1974-04-05 |
DE2134797A1 (en) | 1972-01-20 |
FR2098372A1 (en) | 1972-03-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |