SE332019B - - Google Patents
Info
- Publication number
- SE332019B SE332019B SE18099/67A SE1809967A SE332019B SE 332019 B SE332019 B SE 332019B SE 18099/67 A SE18099/67 A SE 18099/67A SE 1809967 A SE1809967 A SE 1809967A SE 332019 B SE332019 B SE 332019B
- Authority
- SE
- Sweden
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
- H01Q19/10—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
- H01Q19/195—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 wherein a reflecting surface acts also as a polarisation filter or a polarising device
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR89609A FR1512598A (fr) | 1966-12-30 | 1966-12-30 | éléments résonnants en polarisation circulaire et réflecteur semi-transparent composé de ces éléments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE332019B true SE332019B (fr) | 1971-01-25 |
Family
ID=8623246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE18099/67A SE332019B (fr) | 1966-12-30 | 1967-12-29 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3500420A (fr) |
| CH (1) | CH510940A (fr) |
| FR (1) | FR1512598A (fr) |
| GB (1) | GB1167598A (fr) |
| SE (1) | SE332019B (fr) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2192308B (en) * | 1977-12-16 | 1988-09-01 | Elliott Bros | Improvements in or relating to the reflectivity of metallic bodies |
| GB2192309B (en) * | 1977-12-16 | 1988-05-25 | Elliott Bros | Energy reflectors |
| IT1240572B (it) * | 1990-11-15 | 1993-12-17 | Aeritalia Spa | Dispositivo discriminatore di polarizzazione per onde eletromagnetiche a polarizzazione circolare e siperfici dicroiche comprendenti una pluralita' di tali dispositivi |
| US9391374B2 (en) | 2012-07-09 | 2016-07-12 | Jasmin ROY | Reciprocal circular polarization selective surfaces and elements thereof |
| US10224637B2 (en) | 2012-07-09 | 2019-03-05 | Jasmin ROY | Reciprocal circular polarization selective surfaces and elements thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736895A (en) * | 1951-02-16 | 1956-02-28 | Elliott Brothers London Ltd | High frequency radio aerials |
| US2867801A (en) * | 1953-09-14 | 1959-01-06 | Elliott Brothers London Ltd | High frequency radio aerials |
-
1966
- 1966-12-30 FR FR89609A patent/FR1512598A/fr not_active Expired
-
1967
- 1967-12-15 US US690920A patent/US3500420A/en not_active Expired - Lifetime
- 1967-12-19 GB GB57621/67A patent/GB1167598A/en not_active Expired
- 1967-12-21 CH CH1802867A patent/CH510940A/fr not_active IP Right Cessation
- 1967-12-29 SE SE18099/67A patent/SE332019B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH510940A (fr) | 1971-07-31 |
| GB1167598A (en) | 1969-10-15 |
| FR1512598A (fr) | 1968-02-09 |
| US3500420A (en) | 1970-03-10 |