JPS4891952A - - Google Patents
Info
- Publication number
- JPS4891952A JPS4891952A JP48015455A JP1545573A JPS4891952A JP S4891952 A JPS4891952 A JP S4891952A JP 48015455 A JP48015455 A JP 48015455A JP 1545573 A JP1545573 A JP 1545573A JP S4891952 A JPS4891952 A JP S4891952A
- Authority
- JP
- Japan
- 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.)
- Pending
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
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Aerials With Secondary Devices (AREA)
- Radar Systems Or Details Thereof (AREA)
- Traffic Control Systems (AREA)
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 |
|---|---|
| JPS4891952A true JPS4891952A (US07118763-20061010-C00002.png) | 1973-11-29 |
Family
ID=25629299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48015455A Pending JPS4891952A (US07118763-20061010-C00002.png) | 1972-02-07 | 1973-02-07 |
Country Status (9)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5116844A (ja) * | 1974-08-01 | 1976-02-10 | Tokyo Daigaku | Denshisosaantena |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CA CA162,622A patent/CA987783A/en not_active Expired
- 1973-02-01 US US328820A patent/US3878523A/en not_active Expired - Lifetime
- 1973-02-06 DE DE2305679A patent/DE2305679A1/de not_active Ceased
- 1973-02-07 JP JP48015455A patent/JPS4891952A/ja active Pending
- 1973-02-07 FR FR7304337A patent/FR2171256B1/fr not_active Expired
- 1973-02-07 NL NL7301724A patent/NL7301724A/xx not_active Application Discontinuation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5116844A (ja) * | 1974-08-01 | 1976-02-10 | Tokyo Daigaku | Denshisosaantena |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7301724A (US07118763-20061010-C00002.png) | 1973-08-09 |
| CA987783A (en) | 1976-04-20 |
| AU469466B2 (en) | 1976-02-12 |
| DE2305679A1 (de) | 1973-08-16 |
| GB1416364A (en) | 1975-12-03 |
| FR2171256B1 (US07118763-20061010-C00002.png) | 1978-02-10 |
| FR2171256A1 (US07118763-20061010-C00002.png) | 1973-09-21 |
| US3878523A (en) | 1975-04-15 |
| AU5162173A (en) | 1974-08-01 |
| SE388722B (sv) | 1976-10-11 |
