FR983718A - Improvement in the emission and reception of electromagnetic waves - Google Patents
Improvement in the emission and reception of electromagnetic wavesInfo
- Publication number
- FR983718A FR983718A FR983718DA FR983718A FR 983718 A FR983718 A FR 983718A FR 983718D A FR983718D A FR 983718DA FR 983718 A FR983718 A FR 983718A
- Authority
- FR
- France
- Prior art keywords
- emission
- reception
- improvement
- electromagnetic waves
- waves
- 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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR983718T | 1949-03-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR983718A true FR983718A (en) | 1951-06-27 |
Family
ID=9536238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR983718D Expired FR983718A (en) | 1949-03-26 | 1949-03-26 | Improvement in the emission and reception of electromagnetic waves |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR983718A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1591177B1 (en) * | 1966-10-31 | 1971-09-16 | Hughes Aircraft Co | FOLDABLE REFLECTOR FOR ELECTROMAGNETIC WAVES |
-
1949
- 1949-03-26 FR FR983718D patent/FR983718A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1591177B1 (en) * | 1966-10-31 | 1971-09-16 | Hughes Aircraft Co | FOLDABLE REFLECTOR FOR ELECTROMAGNETIC WAVES |
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