FR863492A - Perfectionnements aux antennes à ondes très courtes - Google Patents
Perfectionnements aux antennes à ondes très courtesInfo
- Publication number
- FR863492A FR863492A FR863492DA FR863492A FR 863492 A FR863492 A FR 863492A FR 863492D A FR863492D A FR 863492DA FR 863492 A FR863492 A FR 863492A
- Authority
- FR
- France
- Prior art keywords
- shortwave antennas
- shortwave
- antennas
- 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
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/20—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path
- H01Q21/205—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a curvilinear path providing an omnidirectional coverage
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US257835A US2212625A (en) | 1939-02-23 | 1939-02-23 | Television antenna |
Publications (1)
Publication Number | Publication Date |
---|---|
FR863492A true FR863492A (fr) | 1941-04-02 |
Family
ID=22977956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR863492D Expired FR863492A (fr) | 1939-02-23 | 1940-02-21 | Perfectionnements aux antennes à ondes très courtes |
Country Status (2)
Country | Link |
---|---|
US (1) | US2212625A (fr) |
FR (1) | FR863492A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2416246A (en) * | 1944-01-04 | 1947-02-18 | Hazeltine Research Inc | Antenna structure |
US2507225A (en) * | 1946-04-11 | 1950-05-09 | Gen Electric | Wide band antenna structure |
BE489963A (fr) * | 1948-07-03 | 1900-01-01 | ||
US5204688A (en) * | 1988-07-22 | 1993-04-20 | Thomson-Lgt Laboratoire General Des Telecommunications | Omnidirectional antenna notably for the emission of radio or television broadcasting signals in the decimetric waveband, and radiating system formed by a grouping of these antennas |
US6014107A (en) * | 1997-11-25 | 2000-01-11 | The United States Of America As Represented By The Secretary Of The Navy | Dual orthogonal near vertical incidence skywave antenna |
-
1939
- 1939-02-23 US US257835A patent/US2212625A/en not_active Expired - Lifetime
-
1940
- 1940-02-21 FR FR863492D patent/FR863492A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2212625A (en) | 1940-08-27 |
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