FR675405A - Improvements to radio systems and processes - Google Patents
Improvements to radio systems and processesInfo
- Publication number
- FR675405A FR675405A FR675405DA FR675405A FR 675405 A FR675405 A FR 675405A FR 675405D A FR675405D A FR 675405DA FR 675405 A FR675405 A FR 675405A
- Authority
- FR
- France
- Prior art keywords
- processes
- radio systems
- radio
- systems
- 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 |
---|---|---|---|
US312189XA | 1928-05-21 | 1928-05-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR675405A true FR675405A (en) | 1930-02-10 |
Family
ID=21858235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR675405D Expired FR675405A (en) | 1928-05-21 | 1929-05-18 | Improvements to radio systems and processes |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR675405A (en) |
GB (1) | GB312189A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE756083C (en) * | 1938-05-22 | 1953-05-18 | Lorenz A G C | Propeller as a dipole |
-
1929
- 1929-05-18 FR FR675405D patent/FR675405A/en not_active Expired
- 1929-05-21 GB GB15789/29A patent/GB312189A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE756083C (en) * | 1938-05-22 | 1953-05-18 | Lorenz A G C | Propeller as a dipole |
Also Published As
Publication number | Publication date |
---|---|
GB312189A (en) | 1930-08-21 |
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