NL7203742A - - Google Patents
Info
- Publication number
- NL7203742A NL7203742A NL7203742A NL7203742A NL7203742A NL 7203742 A NL7203742 A NL 7203742A NL 7203742 A NL7203742 A NL 7203742A NL 7203742 A NL7203742 A NL 7203742A NL 7203742 A NL7203742 A NL 7203742A
- 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
- H01Q3/26—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
-
- 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
-
- 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
- H01Q3/242—Circumferential scanning
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB803271A GB1367467A (en) | 1971-03-26 | 1971-03-26 | Switching systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7203742A true NL7203742A (xx) | 1972-09-28 |
Family
ID=9844467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7203742A NL7203742A (xx) | 1971-03-26 | 1972-03-21 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3740756A (xx) |
| DE (1) | DE2214947A1 (xx) |
| GB (1) | GB1367467A (xx) |
| NL (1) | NL7203742A (xx) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3836863A (en) * | 1972-12-22 | 1974-09-17 | Bell Telephone Labor Inc | Broadband frequency steering network |
| US4317118A (en) * | 1973-11-08 | 1982-02-23 | The United States Of America As Represented By The Secretary Of The Navy | Symmetrical beam-forming network |
| US4213132A (en) * | 1978-07-19 | 1980-07-15 | Motorola, Inc. | Antenna system with multiple frequency inputs |
| US4326109A (en) * | 1980-04-11 | 1982-04-20 | Northern Telecom Limited | Apparatus for coupling a two-way transmission path to a one-way transmitting path and a one-way receiving path |
| US4549152A (en) * | 1983-03-28 | 1985-10-22 | Rca Corporation | Broadband adjustable phase modulation circuit |
| US4499471A (en) * | 1983-05-02 | 1985-02-12 | Ford Aerospace & Communications Corporation | Reconfigurable dual mode network |
| US4635070A (en) * | 1983-12-19 | 1987-01-06 | Granger Associates | Dual mode antenna having simultaneous operating modes |
| FR2576152B1 (fr) * | 1985-01-14 | 1987-06-26 | Applic Rech Electronique | Antenne vhf omnidirectionnelle a acces multiples |
| GB2182206A (en) * | 1985-10-23 | 1987-05-07 | British Broadcasting Corp | Adaptable transmitter and antenna arrangement |
| US4825172A (en) * | 1987-03-30 | 1989-04-25 | Hughes Aircraft Company | Equal power amplifier system for active phase array antenna and method of arranging same |
| FR2651927B1 (fr) * | 1989-09-13 | 1991-12-13 | Alcatel Espace | Antenne multifaisceaux orientable par commutation bas niveau. |
| FR2652452B1 (fr) * | 1989-09-26 | 1992-03-20 | Europ Agence Spatiale | Dispositif d'alimentation d'une antenne a faisceaux multiples. |
| US5854986A (en) * | 1995-05-19 | 1998-12-29 | Northern Telecom Limited | Cellular communication system having device coupling distribution of antennas to plurality of transceivers |
| US5610556A (en) * | 1995-10-31 | 1997-03-11 | Space Systems/Loral, Inc. | Multi-port amplifiers with switchless redundancy |
| WO2002069449A1 (fr) * | 2001-02-26 | 2002-09-06 | Mitsubishi Denki Kabushiki Kaisha | Dispositif d'antenne |
| IT1403065B1 (it) * | 2010-12-01 | 2013-10-04 | Andrew Wireless Systems Gmbh | Distributed antenna system for mimo signals. |
| US8396368B2 (en) * | 2009-12-09 | 2013-03-12 | Andrew Llc | Distributed antenna system for MIMO signals |
| US20050025907A1 (en) * | 2003-07-21 | 2005-02-03 | Kevin Stepka | Plaque for displaying three dimensional item |
| US8542081B2 (en) * | 2008-11-11 | 2013-09-24 | Viasat, Inc. | Molded orthomode transducer |
| US8254851B2 (en) * | 2008-11-11 | 2012-08-28 | Viasat, Inc. | Integrated orthomode transducer |
| US8981886B2 (en) | 2009-11-06 | 2015-03-17 | Viasat, Inc. | Electromechanical polarization switch |
| TW201126809A (en) * | 2009-11-06 | 2011-08-01 | Viasat Inc | Automated beam peaking satellite ground terminal |
| IT1398025B1 (it) | 2010-02-12 | 2013-02-07 | Andrew Llc | Distributed antenna system for mimo communications. |
| KR102163548B1 (ko) | 2010-10-01 | 2020-10-12 | 콤스코프 테크놀로지스, 엘엘씨 | 엠아이엠오 신호들을 위한 분산 안테나 시스템 |
| US10020578B2 (en) * | 2014-04-28 | 2018-07-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Antenna arrangement with variable antenna pattern |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3226724A (en) * | 1963-07-05 | 1965-12-28 | Brueckmann Helmut | Multiple antenna multiplex system |
| US3295134A (en) * | 1965-11-12 | 1966-12-27 | Sanders Associates Inc | Antenna system for radiating directional patterns |
-
1971
- 1971-03-26 GB GB803271A patent/GB1367467A/en not_active Expired
-
1972
- 1972-03-20 US US00236272A patent/US3740756A/en not_active Expired - Lifetime
- 1972-03-21 NL NL7203742A patent/NL7203742A/xx unknown
- 1972-03-27 DE DE19722214947 patent/DE2214947A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US3740756A (en) | 1973-06-19 |
| DE2214947A1 (de) | 1972-10-12 |
| GB1367467A (en) | 1974-09-18 |