FR2221825B3 - - Google Patents
Info
- Publication number
- FR2221825B3 FR2221825B3 FR7329961A FR7329961A FR2221825B3 FR 2221825 B3 FR2221825 B3 FR 2221825B3 FR 7329961 A FR7329961 A FR 7329961A FR 7329961 A FR7329961 A FR 7329961A FR 2221825 B3 FR2221825 B3 FR 2221825B3
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/247—Supports; Mounting means by structural association with other equipment or articles with receiving set with frequency mixer, e.g. for direct satellite reception or Doppler radar
-
- 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
- H01Q19/193—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 with feed supported subreflector
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722240893 DE2240893A1 (de) | 1972-08-19 | 1972-08-19 | Spiegelantenne, insbesondere fuer das 12 ghz-band |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2221825A1 FR2221825A1 (hu) | 1974-10-11 |
| FR2221825B3 true FR2221825B3 (hu) | 1976-07-30 |
Family
ID=5854022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7329961A Expired FR2221825B3 (hu) | 1972-08-19 | 1973-08-17 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2240893A1 (hu) |
| FR (1) | FR2221825B3 (hu) |
| GB (1) | GB1384677A (hu) |
| NL (1) | NL7311358A (hu) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2938187A1 (de) * | 1979-09-21 | 1981-04-02 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Cassegrain-erreger-system fuer eine parabolantenne |
| DE2946111C2 (de) * | 1979-11-15 | 1986-09-11 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Optischer Körper für ein Cassegrain- oder cassegrain-ähnliches System |
| EP0058215A1 (de) * | 1981-02-16 | 1982-08-25 | Kathrein-Werke Kg | Antenne zum Empfang von von Rundfunksatelliten abgestrahlten zirkular polarisierten elektromagnetischen Wellen |
| EP0108515B1 (en) * | 1982-10-11 | 1989-05-31 | Cambridge Electronic Industries plc | Dish aerial |
| EP0170726A1 (de) * | 1984-07-13 | 1986-02-12 | Siemens Aktiengesellschaft | Zweireflektor-Richtantenne |
| US4673945A (en) * | 1984-09-24 | 1987-06-16 | Alpha Industries, Inc. | Backfire antenna feeding |
| EP0196734A3 (en) * | 1985-03-28 | 1988-08-03 | Satellite Technology Services, Inc. | Cassegrain antenna for tvro application |
| NO864563L (no) * | 1986-06-03 | 1987-12-04 | Sintef | Reflektorantenne med selvbaerende mateelement. |
| DE3801619A1 (de) * | 1988-01-21 | 1989-07-27 | Thomson Brandt Gmbh | Empfangseinrichtung fuer satellitensignale |
| DE4002913A1 (de) * | 1990-02-01 | 1991-08-08 | Ant Nachrichtentech | Doppelreflektor-antenne |
| DE19725047A1 (de) * | 1996-07-03 | 1998-01-08 | Alsthom Cge Alcatel | Erregersystem für eine Antenne mit einem parabelförmig gebogenen Reflektor und einem dielektrischen Strahler |
| EP1004151B1 (en) * | 1997-08-21 | 2006-12-13 | Kildal Antenn Consulting AB | Improved reflector antenna with a self-supported feed |
| US10418712B1 (en) * | 2018-11-05 | 2019-09-17 | Eagle Technology, Llc | Folded optics mesh hoop column deployable reflector system |
-
1972
- 1972-08-19 DE DE19722240893 patent/DE2240893A1/de active Pending
-
1973
- 1973-08-17 GB GB3906773A patent/GB1384677A/en not_active Expired
- 1973-08-17 NL NL7311358A patent/NL7311358A/xx unknown
- 1973-08-17 FR FR7329961A patent/FR2221825B3/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7311358A (hu) | 1974-02-21 |
| GB1384677A (en) | 1975-02-19 |
| DE2240893A1 (de) | 1974-03-07 |
| FR2221825A1 (hu) | 1974-10-11 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |