FR1218401A - Electro-magnetic wave projectors - Google Patents
Electro-magnetic wave projectorsInfo
- Publication number
- FR1218401A FR1218401A FR639718A FR639718A FR1218401A FR 1218401 A FR1218401 A FR 1218401A FR 639718 A FR639718 A FR 639718A FR 639718 A FR639718 A FR 639718A FR 1218401 A FR1218401 A FR 1218401A
- Authority
- FR
- France
- Prior art keywords
- electro
- magnetic wave
- projectors
- wave projectors
- magnetic
- 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
- H01Q19/10—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
- H01Q19/17—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 comprising two or more radiating elements
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR639718A FR1218401A (en) | 1952-12-16 | 1952-12-16 | Electro-magnetic wave projectors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR639718A FR1218401A (en) | 1952-12-16 | 1952-12-16 | Electro-magnetic wave projectors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1218401A true FR1218401A (en) | 1960-05-10 |
Family
ID=8697128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR639718A Expired FR1218401A (en) | 1952-12-16 | 1952-12-16 | Electro-magnetic wave projectors |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1218401A (en) |
-
1952
- 1952-12-16 FR FR639718A patent/FR1218401A/en not_active Expired
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