BE725013A - - Google Patents
Info
- Publication number
- BE725013A BE725013A BE725013DA BE725013A BE 725013 A BE725013 A BE 725013A BE 725013D A BE725013D A BE 725013DA BE 725013 A BE725013 A BE 725013A
- Authority
- BE
- Belgium
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
- H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/005—Antennas or antenna systems providing at least two radiating patterns providing two patterns of opposite direction; back to back antennas
-
- 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
- H01Q3/44—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 electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
- H01Q3/46—Active lenses or reflecting arrays
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68807267A | 1967-12-05 | 1967-12-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE725013A true BE725013A (xx) | 1969-06-05 |
Family
ID=24763002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE725013D BE725013A (xx) | 1967-12-05 | 1968-12-05 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3430242A (xx) |
| BE (1) | BE725013A (xx) |
| ES (1) | ES361117A1 (xx) |
| FR (1) | FR1596807A (xx) |
| GB (1) | GB1236629A (xx) |
| NL (1) | NL6817487A (xx) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3648284A (en) * | 1969-08-06 | 1972-03-07 | Westinghouse Electric Corp | Two-face phased array |
| US3710382A (en) * | 1971-04-14 | 1973-01-09 | Cossor A Ltd | Secondary radar |
| DE2405520A1 (de) * | 1974-02-06 | 1975-08-14 | Siemens Ag | Phasengesteuerte antennenanordnung |
| US4044360A (en) * | 1975-12-19 | 1977-08-23 | International Telephone And Telegraph Corporation | Two-mode RF phase shifter particularly for phase scanner array |
| JPS5335458A (en) * | 1976-09-14 | 1978-04-01 | Toshiba Corp | Antenna |
| JPS5335460A (en) * | 1976-09-14 | 1978-04-01 | Toshiba Corp | Antenna |
| JPS5335461A (en) * | 1976-09-14 | 1978-04-01 | Toshiba Corp | Antenna |
| JPS5448468A (en) * | 1977-09-26 | 1979-04-17 | Boeicho Gijutsu Kenkyu Honbuch | Multiibeam antenna |
| US4580140A (en) * | 1983-06-17 | 1986-04-01 | The United States Of America As Represented By The Secretary Of The Navy | Twin aperture phased array lens antenna |
| US5233356A (en) * | 1986-07-29 | 1993-08-03 | Hughes Aircraft Company | Low sidelobe solid state array antenna apparatus and process for configuring an array antenna aperture |
| US4766438A (en) * | 1987-02-27 | 1988-08-23 | Hughes Aircraft Company | Three dimensional feed through lens with hemispherical coverage |
| NL8703113A (nl) * | 1987-12-23 | 1988-03-01 | Hollandse Signaalapparaten Bv | Rondzoekradarsysteem. |
| JP3456507B2 (ja) * | 1996-04-15 | 2003-10-14 | 日本電信電話株式会社 | セクタアンテナ |
| GB0720199D0 (en) * | 2007-10-16 | 2007-11-28 | Global View Systems Ltd | Wave guide array |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3305867A (en) * | 1963-11-05 | 1967-02-21 | Raytheon Co | Antenna array system |
-
1967
- 1967-12-05 US US688072A patent/US3430242A/en not_active Expired - Lifetime
-
1968
- 1968-12-05 ES ES361117A patent/ES361117A1/es not_active Expired
- 1968-12-05 GB GB57915/68A patent/GB1236629A/en not_active Expired
- 1968-12-05 FR FR1596807D patent/FR1596807A/fr not_active Expired
- 1968-12-05 BE BE725013D patent/BE725013A/xx unknown
- 1968-12-05 NL NL6817487A patent/NL6817487A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1596807A (xx) | 1970-06-22 |
| ES361117A1 (es) | 1970-11-01 |
| NL6817487A (xx) | 1969-06-09 |
| GB1236629A (en) | 1971-06-23 |
| US3430242A (en) | 1969-02-25 |