FR2450508B1 - - Google Patents
Info
- Publication number
- FR2450508B1 FR2450508B1 FR7905501A FR7905501A FR2450508B1 FR 2450508 B1 FR2450508 B1 FR 2450508B1 FR 7905501 A FR7905501 A FR 7905501A FR 7905501 A FR7905501 A FR 7905501A FR 2450508 B1 FR2450508 B1 FR 2450508B1
- 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
- H01Q15/24—Polarising devices; Polarisation filters
- H01Q15/242—Polarisation converters
- H01Q15/246—Polarisation converters rotating the plane of polarisation of a linear polarised wave
- H01Q15/248—Polarisation converters rotating the plane of polarisation of a linear polarised wave using a reflecting surface, e.g. twist reflector
-
- 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
- H01Q15/22—Reflecting surfaces; Equivalent structures functioning also as polarisation filter
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Aerials With Secondary Devices (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7905501A FR2450508A1 (fr) | 1979-03-02 | 1979-03-02 | Reflecteur a lames paralleles pour antennes microondes et procede de fabrication d'un tel reflecteur |
| EP80400254A EP0015815A1 (fr) | 1979-03-02 | 1980-02-22 | Réflecteur à lames parallèles pour antenne microondes et procédé de fabrication d'un tel réflecteur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7905501A FR2450508A1 (fr) | 1979-03-02 | 1979-03-02 | Reflecteur a lames paralleles pour antennes microondes et procede de fabrication d'un tel reflecteur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2450508A1 FR2450508A1 (fr) | 1980-09-26 |
| FR2450508B1 true FR2450508B1 (US08124630-20120228-C00102.png) | 1983-04-29 |
Family
ID=9222703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7905501A Granted FR2450508A1 (fr) | 1979-03-02 | 1979-03-02 | Reflecteur a lames paralleles pour antennes microondes et procede de fabrication d'un tel reflecteur |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP0015815A1 (US08124630-20120228-C00102.png) |
| FR (1) | FR2450508A1 (US08124630-20120228-C00102.png) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3224545A1 (de) * | 1982-07-01 | 1984-01-05 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Gruppenantenne |
| FR2538959A1 (fr) * | 1983-01-04 | 1984-07-06 | Thomson Csf | Lentille hyperfrequence bi-bande, son procede de fabrication et antenne radar bi-bande de poursuite |
| DE3337049A1 (de) * | 1983-10-12 | 1985-05-09 | Gesellschaft für Schwerionenforschung mbH, 6100 Darmstadt | Feststoff mit besonderen elektrischen eigenschaften und verfahren zur herstellung eines solchen feststoffes |
| DE19807077A1 (de) * | 1998-02-20 | 1999-08-26 | Pates Tech Patentverwertung | Polarisierer und Verfahren zur Herstellung von diesem |
| FR2810799A1 (fr) * | 2000-06-23 | 2001-12-28 | Thomson Csf | Antenne bi-faisceaux a deux sources |
| JP5626740B1 (ja) * | 2013-08-30 | 2014-11-19 | 国立大学法人茨城大学 | ワイヤーグリッド装置 |
| CN107768839B (zh) * | 2017-09-01 | 2020-07-31 | 电子科技大学 | 一种太赫兹超材料极化隔离器 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736895A (en) * | 1951-02-16 | 1956-02-28 | Elliott Brothers London Ltd | High frequency radio aerials |
| GB700868A (en) * | 1952-08-22 | 1953-12-09 | Elliott Brothers London Ltd | Improvements in or relating to high frequency radio aerials |
| FR1145595A (fr) * | 1956-03-09 | 1957-10-28 | Thomson Houston Comp Francaise | Dispositif de polarisation pour antenne à plusieurs cornets |
| US3188642A (en) * | 1959-08-26 | 1965-06-08 | Raytheon Co | Polarization grating for scanning antennas |
-
1979
- 1979-03-02 FR FR7905501A patent/FR2450508A1/fr active Granted
-
1980
- 1980-02-22 EP EP80400254A patent/EP0015815A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| EP0015815A1 (fr) | 1980-09-17 |
| FR2450508A1 (fr) | 1980-09-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |