FR2098372A1 - - Google Patents
Info
- Publication number
- FR2098372A1 FR2098372A1 FR7125604A FR7125604A FR2098372A1 FR 2098372 A1 FR2098372 A1 FR 2098372A1 FR 7125604 A FR7125604 A FR 7125604A FR 7125604 A FR7125604 A FR 7125604A FR 2098372 A1 FR2098372 A1 FR 2098372A1
- Authority
- FR
- France
- 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.)
- Granted
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 (2)
Publication Number | Publication Date |
---|---|
FR2098372A1 true FR2098372A1 (de) | 1972-03-10 |
FR2098372B1 FR2098372B1 (de) | 1974-04-05 |
Family
ID=10359353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7125604A Expired FR2098372B1 (de) | 1970-07-13 | 1971-07-13 |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH529450A (de) |
DE (1) | DE2134797A1 (de) |
FR (1) | FR2098372B1 (de) |
GB (1) | GB1305117A (de) |
NL (1) | NL7109661A (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2522888A1 (fr) * | 1982-03-02 | 1983-09-09 | Thomson Csf | Antenne a double reflecteur a transformateur de polarisation incorpore |
FR2540296A1 (fr) * | 1983-01-31 | 1984-08-03 | Thomson Csf | Filtre spatial d'ondes electromagnetiques de polarisation circulaire et antenne cassegrain comportant un tel filtre |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2234858A (en) * | 1988-09-02 | 1991-02-13 | Thorn Emi Electronics Ltd | Cassegrain antenna |
CN106025487B (zh) * | 2016-05-06 | 2019-03-26 | 西安恒达微波技术开发有限公司 | 一种测向天线及测向天线系统 |
-
1970
- 1970-07-13 GB GB1305117D patent/GB1305117A/en not_active Expired
-
1971
- 1971-07-12 CH CH1021571A patent/CH529450A/fr not_active IP Right Cessation
- 1971-07-12 DE DE19712134797 patent/DE2134797A1/de active Pending
- 1971-07-13 FR FR7125604A patent/FR2098372B1/fr not_active Expired
- 1971-07-13 NL NL7109661A patent/NL7109661A/xx unknown
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2522888A1 (fr) * | 1982-03-02 | 1983-09-09 | Thomson Csf | Antenne a double reflecteur a transformateur de polarisation incorpore |
EP0088681A1 (de) * | 1982-03-02 | 1983-09-14 | Thomson-Csf | Doppelreflektorantenne mit eingebautem Polarisationswandler |
FR2540296A1 (fr) * | 1983-01-31 | 1984-08-03 | Thomson Csf | Filtre spatial d'ondes electromagnetiques de polarisation circulaire et antenne cassegrain comportant un tel filtre |
EP0115983A2 (de) * | 1983-01-31 | 1984-08-15 | Thomson-Csf | Raumfilter für zirkularpolarisierte Mikrowellen und Cassegrain-Antenne mit einem solchen Filter |
EP0115983A3 (de) * | 1983-01-31 | 1984-12-27 | Thomson-Csf | Raumfilter für zirkularpolarisierte Mikrowellen und Cassegrain-Antenne mit einem solchen Filter |
US4652891A (en) * | 1983-01-31 | 1987-03-24 | Thomson-Csf | Electromagnetic wave spatial filter with circular polarization |
Also Published As
Publication number | Publication date |
---|---|
CH529450A (fr) | 1972-10-15 |
DE2134797A1 (de) | 1972-01-20 |
FR2098372B1 (de) | 1974-04-05 |
NL7109661A (de) | 1972-01-17 |
GB1305117A (de) | 1973-01-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |