NL7301724A - - Google Patents
Info
- Publication number
- NL7301724A NL7301724A NL7301724A NL7301724A NL7301724A NL 7301724 A NL7301724 A NL 7301724A NL 7301724 A NL7301724 A NL 7301724A NL 7301724 A NL7301724 A NL 7301724A NL 7301724 A NL7301724 A NL 7301724A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
- H01Q3/245—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching in the focal plane of a focussing device
-
- 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 (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU51621/73A AU469466B2 (en) | 1972-02-07 | 1972-02-07 | Generation of scanning radio beams |
| AUPA788272 | 1972-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7301724A true NL7301724A (cs) | 1973-08-09 |
Family
ID=25629299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7301724A NL7301724A (cs) | 1972-02-07 | 1973-02-07 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3878523A (cs) |
| JP (1) | JPS4891952A (cs) |
| AU (1) | AU469466B2 (cs) |
| CA (1) | CA987783A (cs) |
| DE (1) | DE2305679A1 (cs) |
| FR (1) | FR2171256B1 (cs) |
| GB (1) | GB1416364A (cs) |
| NL (1) | NL7301724A (cs) |
| SE (1) | SE388722B (cs) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5116844A (ja) * | 1974-08-01 | 1976-02-10 | Tokyo Daigaku | Denshisosaantena |
| US4186398A (en) * | 1975-06-09 | 1980-01-29 | Commonwealth Scientific And Industrial Research Organization | Modulation of scanning radio beams |
| US4050074A (en) * | 1976-07-16 | 1977-09-20 | Tull Aviation Corporation | Blended step scan beam signal from fixed beam components |
| FR2375761A1 (fr) * | 1976-12-21 | 1978-07-21 | Commw Scient Ind Res Org | Dispositif pour la modulation de faisceaux haute frequence modules |
| DE2813916C3 (de) | 1978-03-31 | 1981-07-30 | Siemens AG, 1000 Berlin und 8000 München | Richtantennenanordnung mit elektronisch steuerbarer Strahlschwenkung |
| US4178581A (en) * | 1978-11-03 | 1979-12-11 | The Bendix Corporation | Integrated antenna aperture |
| US4270129A (en) * | 1979-01-30 | 1981-05-26 | Sperry Corporation | Apparatus and method for realizing preselected free space antenna patterns |
| US5995056A (en) * | 1997-09-18 | 1999-11-30 | United States Of America As Represented By The Secretary Of The Navy | Wide band tem fed phased array reflector antenna |
| US7990316B2 (en) * | 2008-04-08 | 2011-08-02 | Raytheon Company | Antenna system having feed subarray offset beam scanning |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2437281A (en) * | 1944-07-19 | 1948-03-09 | Sperry Corp | High-frequency radiant energy apparatus |
| US3267472A (en) * | 1960-07-20 | 1966-08-16 | Litton Systems Inc | Variable aperture antenna system |
| US3317912A (en) * | 1963-07-29 | 1967-05-02 | Kenneth S Kelleher | Plural concentric parabolic antenna for omnidirectional coverage |
| US3406401A (en) * | 1966-08-25 | 1968-10-15 | Bell Telephone Labor Inc | Communication satellite system |
| US3534365A (en) * | 1969-05-01 | 1970-10-13 | Nasa | Tracking antenna system |
-
1972
- 1972-02-07 AU AU51621/73A patent/AU469466B2/en not_active Expired
-
1973
- 1973-01-30 GB GB462773A patent/GB1416364A/en not_active Expired
- 1973-01-31 SE SE7301360A patent/SE388722B/xx unknown
- 1973-02-01 US US328820A patent/US3878523A/en not_active Expired - Lifetime
- 1973-02-01 CA CA162,622A patent/CA987783A/en not_active Expired
- 1973-02-06 DE DE2305679A patent/DE2305679A1/de not_active Ceased
- 1973-02-07 NL NL7301724A patent/NL7301724A/xx not_active Application Discontinuation
- 1973-02-07 JP JP48015455A patent/JPS4891952A/ja active Pending
- 1973-02-07 FR FR7304337A patent/FR2171256B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU5162173A (en) | 1974-08-01 |
| FR2171256B1 (cs) | 1978-02-10 |
| GB1416364A (en) | 1975-12-03 |
| DE2305679A1 (de) | 1973-08-16 |
| SE388722B (sv) | 1976-10-11 |
| AU469466B2 (en) | 1976-02-12 |
| CA987783A (en) | 1976-04-20 |
| FR2171256A1 (cs) | 1973-09-21 |
| US3878523A (en) | 1975-04-15 |
| JPS4891952A (cs) | 1973-11-29 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| BV | The patent application has lapsed |