FR2281659A1 - Grille de filtrage d'ondes electro-magnetiques - Google Patents
Grille de filtrage d'ondes electro-magnetiquesInfo
- Publication number
- FR2281659A1 FR2281659A1 FR7427765A FR7427765A FR2281659A1 FR 2281659 A1 FR2281659 A1 FR 2281659A1 FR 7427765 A FR7427765 A FR 7427765A FR 7427765 A FR7427765 A FR 7427765A FR 2281659 A1 FR2281659 A1 FR 2281659A1
- Authority
- FR
- France
- Prior art keywords
- frequency
- alignments
- waves
- substrate
- cut
- 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.)
- Granted
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
- H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
- H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
Landscapes
- Aerials With Secondary Devices (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7427765A FR2281659A1 (fr) | 1974-08-09 | 1974-08-09 | Grille de filtrage d'ondes electro-magnetiques |
IT5086175A IT1041168B (it) | 1974-08-09 | 1975-08-07 | Griglia di filtraggio di onde elettromagnetiche |
GB3324675A GB1490594A (en) | 1974-08-09 | 1975-08-08 | Electromagnetic wave filtering grid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7427765A FR2281659A1 (fr) | 1974-08-09 | 1974-08-09 | Grille de filtrage d'ondes electro-magnetiques |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2281659A1 true FR2281659A1 (fr) | 1976-03-05 |
FR2281659B1 FR2281659B1 (fr) | 1979-09-28 |
Family
ID=9142311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7427765A Granted FR2281659A1 (fr) | 1974-08-09 | 1974-08-09 | Grille de filtrage d'ondes electro-magnetiques |
Country Status (3)
Country | Link |
---|---|
FR (1) | FR2281659A1 (fr) |
GB (1) | GB1490594A (fr) |
IT (1) | IT1041168B (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2514203A1 (fr) * | 1981-10-05 | 1983-04-08 | Radant Etudes | Filtre adaptatif spatial hyperfrequence pour antenne a polarisation quelconque et son procede de mise en oeuvre |
FR2569906A1 (fr) * | 1984-08-30 | 1986-03-07 | Messerschmitt Boelkow Blohm | Reflecteur pour antenne a micro-ondes, muni d'une structure de grille a polarisation selective |
US5652631A (en) * | 1995-05-08 | 1997-07-29 | Hughes Missile Systems Company | Dual frequency radome |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1198811A (fr) * | 1981-02-09 | 1985-12-31 | Susumu Tamagawa | Antenne comprenant un separateur de frequences a transmission a large bande ou a caracteristiques de reflexion |
DE3436063A1 (de) * | 1984-10-02 | 1986-04-10 | Autoflug Gmbh, 2084 Rellingen | Gestaffelte anordnung zur verbesserung der radarreflexion |
DE3726309A1 (de) * | 1987-08-07 | 1989-02-16 | Messerschmitt Boelkow Blohm | Radartarnung von fluggeraeteantennen |
DE3824292A1 (de) * | 1988-07-16 | 1990-01-18 | Battelle Institut E V | Verfahren zur herstellung von duennschichtabsorbern fuer elektromagnetische wellen |
FR2697948B1 (fr) * | 1992-11-10 | 1994-12-02 | Commissariat Energie Atomique | Dispositif formant une admittance de surface capacitive artificielle, application à la réalisation de cavités bidimensionnelles, de résonateurs et d'antennes. |
-
1974
- 1974-08-09 FR FR7427765A patent/FR2281659A1/fr active Granted
-
1975
- 1975-08-07 IT IT5086175A patent/IT1041168B/it active
- 1975-08-08 GB GB3324675A patent/GB1490594A/en not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2514203A1 (fr) * | 1981-10-05 | 1983-04-08 | Radant Etudes | Filtre adaptatif spatial hyperfrequence pour antenne a polarisation quelconque et son procede de mise en oeuvre |
EP0076760A1 (fr) * | 1981-10-05 | 1983-04-13 | Thomson-Csf Radant | Filtre adaptatif spatial hyperfréquence pour antenne à polarisation quelconque et son procédé de mise en oeuvre |
US4518966A (en) * | 1981-10-05 | 1985-05-21 | Societe D'etude Du Radant | Adaptive spatial microwave filter for multipolarized antennas and the process of its application |
FR2569906A1 (fr) * | 1984-08-30 | 1986-03-07 | Messerschmitt Boelkow Blohm | Reflecteur pour antenne a micro-ondes, muni d'une structure de grille a polarisation selective |
US5652631A (en) * | 1995-05-08 | 1997-07-29 | Hughes Missile Systems Company | Dual frequency radome |
Also Published As
Publication number | Publication date |
---|---|
GB1490594A (en) | 1977-11-02 |
IT1041168B (it) | 1980-01-10 |
FR2281659B1 (fr) | 1979-09-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |