FR2557737B1 - Antenne a deux reflecteurs cylindro-paraboliques croises et son procede de fabrication - Google Patents
Antenne a deux reflecteurs cylindro-paraboliques croises et son procede de fabricationInfo
- Publication number
- FR2557737B1 FR2557737B1 FR8321098A FR8321098A FR2557737B1 FR 2557737 B1 FR2557737 B1 FR 2557737B1 FR 8321098 A FR8321098 A FR 8321098A FR 8321098 A FR8321098 A FR 8321098A FR 2557737 B1 FR2557737 B1 FR 2557737B1
- Authority
- FR
- France
- Prior art keywords
- cylindro
- antenna
- manufacturing
- cross
- parabolic reflectors
- 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
- H01Q19/20—Producing pencil beam by two cylindrical focusing devices with their focal lines orthogonally disposed
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8321098A FR2557737B1 (fr) | 1983-12-30 | 1983-12-30 | Antenne a deux reflecteurs cylindro-paraboliques croises et son procede de fabrication |
EP84402703A EP0147325B1 (fr) | 1983-12-30 | 1984-12-21 | Antenne à deux réflecteurs cylindro-paraboliques croisés, et son procédé de fabrication |
US06/684,462 US4665405A (en) | 1983-12-30 | 1984-12-21 | Antenna having two crossed cylindro-parabolic reflectors |
DE8484402703T DE3478173D1 (en) | 1983-12-30 | 1984-12-21 | Antenna with two orthogonal parabolic cylindrical reflectors and process for making it |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8321098A FR2557737B1 (fr) | 1983-12-30 | 1983-12-30 | Antenne a deux reflecteurs cylindro-paraboliques croises et son procede de fabrication |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2557737A1 FR2557737A1 (fr) | 1985-07-05 |
FR2557737B1 true FR2557737B1 (fr) | 1987-12-18 |
Family
ID=9295757
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8321098A Expired FR2557737B1 (fr) | 1983-12-30 | 1983-12-30 | Antenne a deux reflecteurs cylindro-paraboliques croises et son procede de fabrication |
Country Status (4)
Country | Link |
---|---|
US (1) | US4665405A (fr) |
EP (1) | EP0147325B1 (fr) |
DE (1) | DE3478173D1 (fr) |
FR (1) | FR2557737B1 (fr) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5034750A (en) * | 1983-10-31 | 1991-07-23 | Raytheon Company | Pulse radar and components therefor |
DE3515861C1 (de) * | 1985-05-03 | 1994-03-17 | Diehl Gmbh & Co | Sensoranordnung für Suchzünder-Submunition |
GB2277408B (en) * | 1989-05-16 | 1995-03-08 | Plessey Co Plc | Radar |
CA2105745C (fr) * | 1992-09-21 | 1997-12-16 | Parthasarathy Ramanujam | Reflecteurs a configurations de surface identiques monte en semi-tandem |
FR2709380B1 (fr) * | 1993-08-23 | 1995-09-22 | Alcatel Espace | Antenne bi-faisceaux à balayage électronique. |
FR2715511B1 (fr) * | 1994-01-21 | 1996-02-23 | Thomson Csf | Dispositif de compensation des erreurs de pointage causées par des pannes de déphaseurs d'antennes à balayage électronique ou de coefficients d'antennes à formation de faisceaux par le calcul. |
US5847681A (en) * | 1996-10-30 | 1998-12-08 | Hughes Electronics Corporation | Communication and tracking antenna systems for satellites |
FR2775347B1 (fr) * | 1998-02-24 | 2000-05-12 | Thomson Csf | Procede de determination de l'erreur de calage de la face rayonnante d'une antenne reseau a balayage electronique |
US6150991A (en) * | 1998-11-12 | 2000-11-21 | Raytheon Company | Electronically scanned cassegrain antenna with full aperture secondary/radome |
FR2812457B1 (fr) | 2000-07-28 | 2004-05-28 | Thomson Csf | Reflecteur hyperfrequence actif a bi-polarisation, notamment pour antenne a balalyage electronique |
US6577276B2 (en) | 2000-11-16 | 2003-06-10 | Arc Wireless Solutions, Inc. | Low cross-polarization microstrip patch radiator |
US8100837B1 (en) | 2000-12-21 | 2012-01-24 | Abbott Cardiovascular Systems, Inc. | Superelastic guidewire with locally altered properties |
EP1244176B1 (fr) * | 2001-03-22 | 2006-06-21 | Alcatel | Antenne à reflecteur double avec deflecteur |
JP2002339859A (ja) * | 2001-05-17 | 2002-11-27 | National Aerospace Laboratory Of Japan | 電磁波集束装置 |
US6994546B2 (en) * | 2002-12-18 | 2006-02-07 | Ultradent Products, Inc. | Light curing device with detachable power supply |
US20070205724A1 (en) * | 2006-03-03 | 2007-09-06 | Schaefer Raymond B | Advanced surface discharge lamp systems |
US7593289B2 (en) * | 2006-04-17 | 2009-09-22 | Phoenix Science & Technology, Inc. | Reflectors and reflector light and sound source systems |
RU2567127C1 (ru) * | 2014-09-10 | 2015-11-10 | Закрытое акционерное общество "Меркурий" | Антенна кассегрена |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB633061A (en) * | 1946-01-07 | 1949-12-12 | Robert Bruce Robertson Sheasby | Improvements in or relating to wireless aerial arrangements |
US2597391A (en) * | 1946-04-30 | 1952-05-20 | Us Sec War | Antenna |
SE356641B (fr) * | 1972-04-24 | 1973-05-28 | Ericsson Telefon Ab L M | |
NL7509882A (nl) * | 1975-08-20 | 1977-02-22 | Vaclav Josef Vokurka | Antenne. |
FR2451114A1 (fr) * | 1979-03-09 | 1980-10-03 | Thomson Csf | Antenne a plans paralleles a rotation de polarisation |
US4574287A (en) * | 1983-03-04 | 1986-03-04 | The United States Of America As Represented By The Secretary Of The Navy | Fixed aperture, rotating feed, beam scanning antenna system |
-
1983
- 1983-12-30 FR FR8321098A patent/FR2557737B1/fr not_active Expired
-
1984
- 1984-12-21 DE DE8484402703T patent/DE3478173D1/de not_active Expired
- 1984-12-21 EP EP84402703A patent/EP0147325B1/fr not_active Expired
- 1984-12-21 US US06/684,462 patent/US4665405A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2557737A1 (fr) | 1985-07-05 |
US4665405A (en) | 1987-05-12 |
EP0147325B1 (fr) | 1989-05-10 |
EP0147325A3 (en) | 1985-08-14 |
EP0147325A2 (fr) | 1985-07-03 |
DE3478173D1 (en) | 1989-06-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
AU | Other action affecting the ownership or exploitation of an industrial property right | ||
CL | Concession to grant licences |