BE466752A - - Google Patents
Info
- Publication number
- BE466752A BE466752A BE466752DA BE466752A BE 466752 A BE466752 A BE 466752A BE 466752D A BE466752D A BE 466752DA BE 466752 A BE466752 A BE 466752A
- Authority
- BE
- Belgium
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 |
|---|---|
| BE466752A true BE466752A (xx) |
Family
ID=24427922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE466752D BE466752A (xx) | 1945-07-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2482158A (xx) |
| BE (1) | BE466752A (xx) |
| CH (1) | CH255580A (xx) |
| FR (1) | FR930057A (xx) |
| GB (1) | GB626311A (xx) |
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 (xx) * | 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 (no) * | 1986-06-03 | 1987-12-04 | Sintef | Reflektorantenne med selvbaerende mateelement. |
| FR2600824B1 (fr) * | 1986-06-25 | 1988-12-23 | Coulet Gilbert | Antenne a large bande pour hyperfrequences |
| GB9007976D0 (en) * | 1990-04-09 | 1990-06-06 | Marconi Electronic Devices | Antenna arrangement |
| WO1999010950A2 (en) * | 1997-08-21 | 1999-03-04 | Kildal Antenna Consulting Ab | Improved reflector antenna with a self-supported feed |
| 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 (fr) * | 1920-12-04 | 1921-11-03 | Gabriel Guinet | Système de réflecteur parabolique pour chauffage et éclairage |
| 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 (de) * | 1933-12-14 | 1940-08-01 | Chem Fab Dr Hugo Stoltzenberg | Atemschutzfilter mit mehreren loesbar hintereinandergeschalteten Einzelfiltern |
| 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/fr not_active Expired
- 1946-07-10 CH CH255580D patent/CH255580A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR930057A (fr) | 1948-01-15 |
| GB626311A (en) | 1949-07-13 |
| US2482158A (en) | 1949-09-20 |
| CH255580A (fr) | 1948-06-30 |