FR2524720B2 - - Google Patents
Info
- Publication number
- FR2524720B2 FR2524720B2 FR8205787A FR8205787A FR2524720B2 FR 2524720 B2 FR2524720 B2 FR 2524720B2 FR 8205787 A FR8205787 A FR 8205787A FR 8205787 A FR8205787 A FR 8205787A FR 2524720 B2 FR2524720 B2 FR 2524720B2
- 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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
- H01Q15/16—Reflecting surfaces; Equivalent structures curved in two dimensions, e.g. paraboloidal
- H01Q15/161—Collapsible reflectors
- H01Q15/162—Collapsible reflectors composed of a plurality of rigid panels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/08—Means for collapsing antennas or parts thereof
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8205787A FR2524720A2 (fr) | 1982-04-02 | 1982-04-02 | Antenne cassegrain inversee pour radar a fonction multiple |
| EP83400605A EP0091343B1 (fr) | 1982-04-02 | 1983-03-23 | Antenne Cassegrain inversée pour radar à fonction multiple |
| DE8383400605T DE3372686D1 (en) | 1982-04-02 | 1983-03-23 | Inverse cassegrain antenna for a multifunction radar |
| US06/480,805 US4612550A (en) | 1982-04-02 | 1983-03-31 | Inverted Cassegrain antenna for multiple function radars |
| GR70955A GR78792B (OSRAM) | 1982-04-02 | 1983-03-31 | |
| IL68272A IL68272A0 (en) | 1982-04-02 | 1983-03-31 | Inverted cassegrain antenna for multiple function radars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8205787A FR2524720A2 (fr) | 1982-04-02 | 1982-04-02 | Antenne cassegrain inversee pour radar a fonction multiple |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2524720A2 FR2524720A2 (fr) | 1983-10-07 |
| FR2524720B2 true FR2524720B2 (OSRAM) | 1984-05-18 |
Family
ID=9272710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8205787A Granted FR2524720A2 (fr) | 1982-04-02 | 1982-04-02 | Antenne cassegrain inversee pour radar a fonction multiple |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4612550A (OSRAM) |
| EP (1) | EP0091343B1 (OSRAM) |
| DE (1) | DE3372686D1 (OSRAM) |
| FR (1) | FR2524720A2 (OSRAM) |
| GR (1) | GR78792B (OSRAM) |
| IL (1) | IL68272A0 (OSRAM) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4845511A (en) * | 1987-01-27 | 1989-07-04 | Harris Corp. | Space deployable domed solar concentrator with foldable panels and hinge therefor |
| SE455745B (sv) * | 1987-06-30 | 1988-08-01 | Syd Sparbanken | Reflektor for en parabolantenn |
| NL8800538A (nl) * | 1988-03-03 | 1988-08-01 | Hollandse Signaalapparaten Bv | Antennesysteem met variabele bundelbreedte en bundelorientatie. |
| GB2277408B (en) * | 1989-05-16 | 1995-03-08 | Plessey Co Plc | Radar |
| FR2685081B1 (fr) * | 1991-12-11 | 1994-02-04 | Thomson Csf | Structure a controle d'endommagement intrinseque, procede de fabrication et methode d'utilisation. |
| US5469181A (en) * | 1994-03-18 | 1995-11-21 | Celwave | Variable horizontal beamwidth antenna having hingeable side reflectors |
| IT1284301B1 (it) * | 1996-03-13 | 1998-05-18 | Space Engineering Spa | Antenna a singolo o a doppio riflettore, a fasci sagomati, a polarizzazione lineare. |
| SE517845C2 (sv) * | 2000-12-05 | 2002-07-23 | Ericsson Telefon Ab L M | Ett antennarrangemang och en kommunikationsanordning som innefattar ett sådant arrangemang |
| US6980170B2 (en) * | 2001-09-14 | 2005-12-27 | Andrew Corporation | Co-located antenna design |
| WO2012112616A2 (en) * | 2011-02-15 | 2012-08-23 | Kla-Tencor Corporation | Composite polarizer with adjustable polarization angles |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR964836A (OSRAM) * | 1945-02-14 | 1950-08-25 | ||
| US3161879A (en) * | 1961-01-05 | 1964-12-15 | Peter W Hannan | Twistreflector |
| US3176303A (en) * | 1962-02-21 | 1965-03-30 | Whittaker Corp | Collapsible antenna with plurality of flexible reflector petals releasably retained |
| US3576566A (en) * | 1966-10-31 | 1971-04-27 | Hughes Aircraft Co | Closed loop antenna reflector supporting structure |
| US3717879A (en) * | 1968-12-03 | 1973-02-20 | Neotec Corp | Collapsible reflector |
| GB1330175A (en) * | 1970-08-04 | 1973-09-12 | Elliott Brothers London Ltd | Radio aerials |
| FR2448233A1 (fr) * | 1979-02-02 | 1980-08-29 | Thomson Csf | Antenne cassegrain inversee pour radar a fonctions multiples |
-
1982
- 1982-04-02 FR FR8205787A patent/FR2524720A2/fr active Granted
-
1983
- 1983-03-23 EP EP83400605A patent/EP0091343B1/fr not_active Expired
- 1983-03-23 DE DE8383400605T patent/DE3372686D1/de not_active Expired
- 1983-03-31 GR GR70955A patent/GR78792B/el unknown
- 1983-03-31 US US06/480,805 patent/US4612550A/en not_active Expired - Fee Related
- 1983-03-31 IL IL68272A patent/IL68272A0/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2524720A2 (fr) | 1983-10-07 |
| GR78792B (OSRAM) | 1984-10-02 |
| EP0091343B1 (fr) | 1987-07-22 |
| US4612550A (en) | 1986-09-16 |
| DE3372686D1 (en) | 1987-08-27 |
| IL68272A0 (en) | 1983-06-15 |
| EP0091343A1 (fr) | 1983-10-12 |