NL7314477A - - Google Patents
Info
- Publication number
- NL7314477A NL7314477A NL7314477A NL7314477A NL7314477A NL 7314477 A NL7314477 A NL 7314477A NL 7314477 A NL7314477 A NL 7314477A NL 7314477 A NL7314477 A NL 7314477A NL 7314477 A NL7314477 A NL 7314477A
- Authority
- NL
- Netherlands
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
- H01Q19/12—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 wherein the surfaces are concave
- H01Q19/13—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 wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
- H01Q19/134—Rear-feeds; Splash plate feeds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
- H01Q13/025—Multimode horn antennas; Horns using higher mode of propagation
- H01Q13/0258—Orthomode horns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/06—Waveguide mouths
-
- 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
- H01Q19/12—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 wherein the surfaces are concave
- H01Q19/13—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 wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
- H01Q19/134—Rear-feeds; Splash plate feeds
- H01Q19/136—Rear-feeds; Splash plate feeds cross-polarised
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7237657A FR2204055B1 (de) | 1972-10-24 | 1972-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7314477A true NL7314477A (de) | 1974-04-26 |
Family
ID=9106139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7314477A NL7314477A (de) | 1972-10-24 | 1973-10-22 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2353277C2 (de) |
| FR (1) | FR2204055B1 (de) |
| IT (1) | IT994437B (de) |
| NL (1) | NL7314477A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8900992A (nl) * | 1989-04-20 | 1990-11-16 | Arie De Jong | Reflektor. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB713769A (en) * | 1951-09-28 | 1954-08-18 | Gen Electric Co Ltd | Improvements in or relating to directive radio aerial systems |
| US3241146A (en) * | 1963-01-30 | 1966-03-15 | North American Aviation Inc | Four aperture radiator for illuminating main dish |
| US3599219A (en) * | 1969-01-29 | 1971-08-10 | Andrew Corp | Backlobe reduction in reflector-type antennas |
| US3543276A (en) * | 1969-04-10 | 1970-11-24 | Sylvania Electric Prod | Broadband circularly polarized fanshaped beam antenna |
-
1972
- 1972-10-24 FR FR7237657A patent/FR2204055B1/fr not_active Expired
-
1973
- 1973-10-22 NL NL7314477A patent/NL7314477A/xx unknown
- 1973-10-23 IT IT5329073A patent/IT994437B/it active
- 1973-10-24 DE DE19732353277 patent/DE2353277C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2204055A1 (de) | 1974-05-17 |
| DE2353277C2 (de) | 1985-06-05 |
| IT994437B (it) | 1975-10-20 |
| FR2204055B1 (de) | 1978-04-28 |
| DE2353277A1 (de) | 1974-05-02 |