FR1271698A - Ultra-shortwave antenna improvements - Google Patents
Ultra-shortwave antenna improvementsInfo
- Publication number
- FR1271698A FR1271698A FR835114A FR835114A FR1271698A FR 1271698 A FR1271698 A FR 1271698A FR 835114 A FR835114 A FR 835114A FR 835114 A FR835114 A FR 835114A FR 1271698 A FR1271698 A FR 1271698A
- Authority
- FR
- France
- Prior art keywords
- ultra
- shortwave antenna
- antenna improvements
- shortwave
- antenna
- 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
- H01Q19/138—Parallel-plate feeds, e.g. pill-box, cheese aerials
-
- 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
-
- 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
- H01Q19/06—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 refracting or diffracting devices, e.g. lens
- H01Q19/062—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 refracting or diffracting devices, e.g. lens for focusing
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR835114A FR1271698A (en) | 1960-08-05 | 1960-08-05 | Ultra-shortwave antenna improvements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR835114A FR1271698A (en) | 1960-08-05 | 1960-08-05 | Ultra-shortwave antenna improvements |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1271698A true FR1271698A (en) | 1961-09-15 |
Family
ID=8736973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR835114A Expired FR1271698A (en) | 1960-08-05 | 1960-08-05 | Ultra-shortwave antenna improvements |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1271698A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2925104A1 (en) * | 1979-06-21 | 1981-01-08 | Siemens Ag | RADAR ANTENNA WITH INTEGRATED IFF ANTENNA |
-
1960
- 1960-08-05 FR FR835114A patent/FR1271698A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2925104A1 (en) * | 1979-06-21 | 1981-01-08 | Siemens Ag | RADAR ANTENNA WITH INTEGRATED IFF ANTENNA |
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