BE472577A - - Google Patents
Info
- Publication number
- BE472577A BE472577A BE472577DA BE472577A BE 472577 A BE472577 A BE 472577A BE 472577D A BE472577D A BE 472577DA BE 472577 A BE472577 A BE 472577A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/02—Waveguide horns
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
-
- 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 |
|---|---|---|---|
| US665027A US2548655A (en) | 1946-04-26 | 1946-04-26 | Directive dielectric guide antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472577A true BE472577A (xx) |
Family
ID=24668412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472577D BE472577A (xx) | 1946-04-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2548655A (xx) |
| BE (1) | BE472577A (xx) |
| DE (1) | DE826317C (xx) |
| FR (1) | FR943949A (xx) |
| GB (1) | GB644376A (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL78957C (xx) * | 1948-03-25 | |||
| US2692984A (en) * | 1950-08-30 | 1954-10-26 | Sperry Corp | Bridge obstruction marker for radar navigation |
| US2778016A (en) * | 1953-01-23 | 1957-01-15 | Gabriel Co | Wave guide antenna |
| US2809371A (en) * | 1954-09-30 | 1957-10-08 | Rca Corp | Liquid trap for vertically mounted horn antenna |
| US10763916B2 (en) * | 2017-10-19 | 2020-09-01 | At&T Intellectual Property I, L.P. | Dual mode antenna systems and methods for use therewith |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2206923A (en) * | 1934-09-12 | 1940-07-09 | American Telephone & Telegraph | Short wave radio system |
| US2129669A (en) * | 1937-03-30 | 1938-09-13 | Bell Telephone Labor Inc | Guided wave transmission |
| US2232179A (en) * | 1938-02-05 | 1941-02-18 | Bell Telephone Labor Inc | Transmission of guided waves |
| US2283935A (en) * | 1938-04-29 | 1942-05-26 | Bell Telephone Labor Inc | Transmission, radiation, and reception of electromagnetic waves |
| US2416698A (en) * | 1938-04-29 | 1947-03-04 | Bell Telephone Labor Inc | Radiation and reception of microwaves |
| US2255042A (en) * | 1939-01-03 | 1941-09-09 | Research Corp | Electromagnetic horn |
| NL73349C (xx) * | 1941-11-28 | |||
| NL63520C (xx) * | 1941-12-10 | |||
| US2415807A (en) * | 1942-01-29 | 1947-02-18 | Sperry Gyroscope Co Inc | Directive electromagnetic radiator |
-
0
- BE BE472577D patent/BE472577A/xx unknown
-
1946
- 1946-04-26 US US665027A patent/US2548655A/en not_active Expired - Lifetime
-
1947
- 1947-03-25 FR FR943949D patent/FR943949A/fr not_active Expired
- 1947-04-18 GB GB10376/47A patent/GB644376A/en not_active Expired
-
1948
- 1948-12-31 DE DEP28883A patent/DE826317C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE826317C (de) | 1951-12-27 |
| FR943949A (fr) | 1949-03-22 |
| GB644376A (en) | 1950-10-11 |
| US2548655A (en) | 1951-04-10 |