FR930057A - Improvements to antenna systems - Google Patents
Improvements to antenna systemsInfo
- Publication number
- FR930057A FR930057A FR930057DA FR930057A FR 930057 A FR930057 A FR 930057A FR 930057D A FR930057D A FR 930057DA FR 930057 A FR930057 A FR 930057A
- Authority
- FR
- France
- Prior art keywords
- antenna systems
- antenna
- 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
-
- 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
- H01Q19/134—Rear-feeds; Splash plate feeds
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US606426A US2482158A (en) | 1945-07-21 | 1945-07-21 | Directive antenna system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR930057A true FR930057A (en) | 1948-01-15 |
Family
ID=24427922
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR930057D Expired FR930057A (en) | 1945-07-21 | 1946-07-01 | Improvements to antenna systems |
Country Status (5)
Country | Link |
---|---|
US (1) | US2482158A (en) |
BE (1) | BE466752A (en) |
CH (1) | CH255580A (en) |
FR (1) | FR930057A (en) |
GB (1) | GB626311A (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2605415A (en) * | 1945-09-14 | 1952-07-29 | Samuel J Mason | Parabolic reflector |
US2846679A (en) * | 1953-12-15 | 1958-08-05 | Hughes Aircraft Co | Beam forming antenna |
US2829366A (en) * | 1955-03-25 | 1958-04-01 | Raytheon Mfg Co | Antenna feed |
US2893003A (en) * | 1957-06-26 | 1959-06-30 | James S Arnold | Antenna feed |
NL272285A (en) * | 1960-12-19 | |||
US3218643A (en) * | 1961-03-01 | 1965-11-16 | Peter W Hannan | Double-reflector antenna with critical dimensioning to achieve minimum aperture blocking |
NO864563L (en) * | 1986-06-03 | 1987-12-04 | Sintef | REFLECTOR ANTENNA WITH SELF-SUSTAINABLE MEASUREMENT ELEMENT. |
FR2600824B1 (en) * | 1986-06-25 | 1988-12-23 | Coulet Gilbert | BROADBAND ANTENNA FOR MICROWAVE |
GB9007976D0 (en) * | 1990-04-09 | 1990-06-06 | Marconi Electronic Devices | Antenna arrangement |
BR9811241A (en) * | 1997-08-21 | 2000-08-15 | Kildal Antenna Consulting Ab | Improved reflector antenna with self-supporting power |
US6522305B2 (en) | 2000-02-25 | 2003-02-18 | Andrew Corporation | Microwave antennas |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1281752A (en) * | 1918-05-11 | 1918-10-15 | Gen Electric | Floodlight-reflector. |
FR527896A (en) * | 1920-12-04 | 1921-11-03 | Gabriel Guinet | Parabolic reflector system for heating and lighting |
US1973296A (en) * | 1929-04-24 | 1934-09-11 | Telefunken Gmbh | Broadcasting system using ultrashort waves |
US1857120A (en) * | 1930-05-29 | 1932-05-03 | Transom Frederick | Projector lamp |
DE694423C (en) * | 1933-12-14 | 1940-08-01 | Chem Fab Dr Hugo Stoltzenberg | Respiratory protection filter with several detachable individual filters connected in series |
US2083242A (en) * | 1934-01-27 | 1937-06-08 | Telefunken Gmbh | Method of direction finding |
US2206923A (en) * | 1934-09-12 | 1940-07-09 | American Telephone & Telegraph | Short wave radio system |
US2095083A (en) * | 1934-11-17 | 1937-10-05 | Telefunken Gmbh | Directional antenna system |
US2370053A (en) * | 1940-12-31 | 1945-02-20 | Rca Corp | Directive antenna system |
US2407057A (en) * | 1942-01-23 | 1946-09-03 | Rca Corp | Antenna system |
US2422184A (en) * | 1944-01-15 | 1947-06-17 | Bell Telephone Labor Inc | Directional microwave antenna |
-
0
- BE BE466752D patent/BE466752A/xx unknown
-
1945
- 1945-07-21 US US606426A patent/US2482158A/en not_active Expired - Lifetime
-
1946
- 1946-06-19 GB GB18432/46A patent/GB626311A/en not_active Expired
- 1946-07-01 FR FR930057D patent/FR930057A/en not_active Expired
- 1946-07-10 CH CH255580D patent/CH255580A/en unknown
Also Published As
Publication number | Publication date |
---|---|
BE466752A (en) | |
GB626311A (en) | 1949-07-13 |
CH255580A (en) | 1948-06-30 |
US2482158A (en) | 1949-09-20 |
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