FR794533A - Antenna with mirror-shaped reflector for short and ultra-short waves - Google Patents
Antenna with mirror-shaped reflector for short and ultra-short wavesInfo
- Publication number
- FR794533A FR794533A FR794533DA FR794533A FR 794533 A FR794533 A FR 794533A FR 794533D A FR794533D A FR 794533DA FR 794533 A FR794533 A FR 794533A
- Authority
- FR
- France
- Prior art keywords
- short
- ultra
- antenna
- mirror
- shaped reflector
- 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
- H01Q19/17—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 comprising two or more radiating elements
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE446619X | 1934-09-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR794533A true FR794533A (en) | 1936-02-19 |
Family
ID=6537906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR794533D Expired FR794533A (en) | 1934-09-03 | 1935-09-02 | Antenna with mirror-shaped reflector for short and ultra-short waves |
Country Status (3)
Country | Link |
---|---|
US (1) | US2112282A (en) |
FR (1) | FR794533A (en) |
GB (1) | GB446619A (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2506617A (en) * | 1938-06-23 | 1950-05-09 | Us Sec War | Method of and apparatus for locating and tracking a distant body |
FR971483A (en) * | 1940-06-15 | 1951-01-17 | Csf | Improvements to radio wave radiators |
US2541806A (en) * | 1943-05-04 | 1951-02-13 | Gen Electric | Beam antenna system |
US2436408A (en) * | 1943-05-27 | 1948-02-24 | Sperry Corp | Radio wave reflecting transducer system |
US2542844A (en) * | 1943-08-14 | 1951-02-20 | Bell Telephone Labor Inc | Microwave directive antenna |
US2577463A (en) * | 1944-05-17 | 1951-12-04 | Rca Corp | Device for transmission and reception of very short electrical waves |
US2682048A (en) * | 1945-04-07 | 1954-06-22 | Us Sec War | Radio object detection apparatus |
US2480143A (en) * | 1946-09-11 | 1949-08-30 | Standard Telephones Cables Ltd | Directive antenna system |
US2982962A (en) * | 1953-08-19 | 1961-05-02 | Gen Railway Signal Co | Antenna system |
US2913723A (en) * | 1956-01-23 | 1959-11-17 | Csf | Variable pattern radar aerial |
-
1935
- 1935-08-10 US US35595A patent/US2112282A/en not_active Expired - Lifetime
- 1935-09-02 FR FR794533D patent/FR794533A/en not_active Expired
- 1935-09-03 GB GB24595/35A patent/GB446619A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2112282A (en) | 1938-03-29 |
GB446619A (en) | 1936-05-04 |
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