NL71861C - - Google Patents
Info
- Publication number
- NL71861C NL71861C NL71861DA NL71861C NL 71861 C NL71861 C NL 71861C NL 71861D A NL71861D A NL 71861DA NL 71861 C NL71861 C NL 71861C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/06—Refracting or diffracting devices, e.g. lens, prism comprising plurality of wave-guiding channels of different length
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
-
- 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
- H01Q19/06—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 refracting or diffracting devices, e.g. lens
- H01Q19/062—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 refracting or diffracting devices, e.g. lens for focusing
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US660338A US2562277A (en) | 1946-04-08 | 1946-04-08 | Metallic lens directive antenna system |
| US218354A US2712067A (en) | 1946-04-08 | 1951-03-30 | Metallic lens directive antenna systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL71861C true NL71861C (de) |
Family
ID=26912821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL71861D NL71861C (de) | 1946-04-08 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2712067A (de) |
| BE (1) | BE472234A (de) |
| FR (1) | FR943066A (de) |
| GB (1) | GB654944A (de) |
| NL (1) | NL71861C (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3173146A (en) * | 1960-01-28 | 1965-03-09 | Washington Aluminum Co Inc | Dual polarized horn |
| DE1124101B (de) * | 1961-01-20 | 1962-02-22 | Telefunken Patent | Hornstrahler mit unterschiedlich grossen Aperturachsen fuer beliebige Polarisation der ausgesandten oder empfangenen elektromagnetischen Wellen |
| US3413637A (en) * | 1967-04-12 | 1968-11-26 | Hughes Aircraft Co | Multifunction antenna having selective radiation patterns |
| US4398200A (en) * | 1980-07-10 | 1983-08-09 | General Electric Co. | Feed apertures with crosspolarization compensation for linear polarization |
| EP1152485B1 (de) * | 1999-02-15 | 2014-06-18 | National Institute of Information and Communications Technology | Funkkommunikationsgerät |
| DE102007056215A1 (de) * | 2007-11-22 | 2009-05-28 | Robert Bosch Gmbh | Radareinrichtung |
| JP6683539B2 (ja) * | 2016-05-25 | 2020-04-22 | 日立オートモティブシステムズ株式会社 | アンテナ、センサ及び車載システム |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2206923A (en) * | 1934-09-12 | 1940-07-09 | American Telephone & Telegraph | Short wave radio system |
| US2206683A (en) * | 1936-05-16 | 1940-07-02 | Rca Corp | Ultra short wave attenuator and directive device |
| US2415807A (en) * | 1942-01-29 | 1947-02-18 | Sperry Gyroscope Co Inc | Directive electromagnetic radiator |
| US2425488A (en) * | 1943-07-03 | 1947-08-12 | Rca Corp | Horn antenna |
| US2442951A (en) * | 1944-05-27 | 1948-06-08 | Rca Corp | System for focusing and for directing radio-frequency energy |
| US2479673A (en) * | 1945-08-20 | 1949-08-23 | Rca Corp | Directional microwave transmission system having dielectric lens |
-
0
- NL NL71861D patent/NL71861C/xx active
- BE BE472234D patent/BE472234A/xx unknown
-
1947
- 1947-03-12 FR FR943066D patent/FR943066A/fr not_active Expired
- 1947-04-03 GB GB9077/47A patent/GB654944A/en not_active Expired
-
1951
- 1951-03-30 US US218354A patent/US2712067A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| BE472234A (de) | |
| FR943066A (fr) | 1949-02-25 |
| US2712067A (en) | 1955-06-28 |
| GB654944A (en) | 1951-07-04 |