FR52731E - Device of directed antennas for wide frequency bands - Google Patents
Device of directed antennas for wide frequency bandsInfo
- Publication number
- FR52731E FR52731E FR52731DA FR52731E FR 52731 E FR52731 E FR 52731E FR 52731D A FR52731D A FR 52731DA FR 52731 E FR52731 E FR 52731E
- Authority
- FR
- France
- Prior art keywords
- frequency bands
- wide frequency
- directed antennas
- antennas
- directed
- 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
- H01Q19/13—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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR52731T | 1943-01-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR52731E true FR52731E (en) | 1945-05-17 |
Family
ID=8687363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR52731D Expired FR52731E (en) | 1943-01-25 | 1943-01-25 | Device of directed antennas for wide frequency bands |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR52731E (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2714659A (en) * | 1951-07-30 | 1955-08-02 | Rca Corp | Broad band unidirectional antenna |
-
1943
- 1943-01-25 FR FR52731D patent/FR52731E/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2714659A (en) * | 1951-07-30 | 1955-08-02 | Rca Corp | Broad band unidirectional antenna |
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