FI891223A0 - Elektroniskt avsoekt antenn. - Google Patents
Elektroniskt avsoekt antenn.Info
- Publication number
- FI891223A0 FI891223A0 FI891223A FI891223A FI891223A0 FI 891223 A0 FI891223 A0 FI 891223A0 FI 891223 A FI891223 A FI 891223A FI 891223 A FI891223 A FI 891223A FI 891223 A0 FI891223 A0 FI 891223A0
- Authority
- FI
- Finland
- Prior art keywords
- elektroniskt
- avsoekt
- antenn
- elektroniskt avsoekt
- avsoekt antenn
- Prior art date
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
- H01Q3/2658—Phased-array fed focussing structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
- H01Q21/0025—Modular arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/007—Antennas or antenna systems providing at least two radiating patterns using two or more primary active elements in the focal region of a focusing device
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8803544A FR2628895B1 (fr) | 1988-03-18 | 1988-03-18 | Antenne a balayage electronique |
Publications (2)
Publication Number | Publication Date |
---|---|
FI891223A0 true FI891223A0 (fi) | 1989-03-15 |
FI891223A FI891223A (fi) | 1989-09-19 |
Family
ID=9364402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI891223A FI891223A (fi) | 1988-03-18 | 1989-03-15 | Elektroniskt avsoekt antenn. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4965588A (fi) |
EP (1) | EP0340429A1 (fi) |
JP (1) | JPH01276803A (fi) |
AU (1) | AU613458B2 (fi) |
CA (1) | CA1298651C (fi) |
FI (1) | FI891223A (fi) |
FR (1) | FR2628895B1 (fi) |
NO (1) | NO891135L (fi) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2638573B1 (fr) * | 1988-11-03 | 1991-06-14 | Alcatel Espace | Antenne a balayage electronique |
US5132694A (en) * | 1989-06-29 | 1992-07-21 | Ball Corporation | Multiple-beam array antenna |
FR2651927B1 (fr) * | 1989-09-13 | 1991-12-13 | Alcatel Espace | Antenne multifaisceaux orientable par commutation bas niveau. |
FR2652952B1 (fr) * | 1989-10-10 | 1992-01-24 | Alcatel Espace | Antenne a balayage electronique en emission. |
US5289193A (en) * | 1990-11-29 | 1994-02-22 | Alcatel Espace | Reconfigurable transmission antenna |
FR2674997B1 (fr) * | 1991-04-05 | 1994-10-07 | Alcatel Espace | Architecture de charge utile dans le domaine spatial. |
US5140333A (en) * | 1991-08-23 | 1992-08-18 | Westinghouse Electric Corp. | System and method for operating transmit/receive modules of active aperture phased array antennas |
US5349364A (en) * | 1992-06-26 | 1994-09-20 | Acvo Corporation | Electromagnetic power distribution system comprising distinct type couplers |
FR2719948B1 (fr) * | 1994-05-10 | 1996-07-19 | Dassault Electronique | Antenne multi-faisceaux pour la réception de micro-ondes émanant de plusieurs satellites. |
US5541607A (en) * | 1994-12-05 | 1996-07-30 | Hughes Electronics | Polar digital beamforming method and system |
FR2729505A1 (fr) * | 1995-01-18 | 1996-07-19 | Alcatel Espace | Antenne multifaisceaux forte capacite a balayage electronique en emission |
US5661489A (en) * | 1996-04-26 | 1997-08-26 | Questech, Inc. | Enhanced electronically steerable beam-forming system |
US5949370A (en) * | 1997-11-07 | 1999-09-07 | Space Systems/Loral, Inc. | Positionable satellite antenna with reconfigurable beam |
US6122603A (en) * | 1998-05-29 | 2000-09-19 | Powerweb, Inc. | Multi-utility energy control system with dashboard |
US5936588A (en) * | 1998-06-05 | 1999-08-10 | Rao; Sudhakar K. | Reconfigurable multiple beam satellite phased array antenna |
US5936592A (en) * | 1998-06-05 | 1999-08-10 | Ramanujam; Parthasarathy | Reconfigurable multiple beam satellite reflector antenna with an array feed |
US6404398B1 (en) * | 2000-08-17 | 2002-06-11 | Trw Inc. | Indirect radiating array techniques |
US7837982B2 (en) * | 2005-06-23 | 2010-11-23 | Emory University | Imaging agents |
GB0515185D0 (en) * | 2005-07-22 | 2005-08-31 | Fox Andrew J | Beam definable antenna |
JP5014193B2 (ja) * | 2008-02-20 | 2012-08-29 | 三菱電機株式会社 | アレーアンテナの励振方法 |
FR2939568B1 (fr) | 2008-12-05 | 2010-12-17 | Thales Sa | Antenne a partage de sources et procede d'elaboration d'une antenne a partage de sources pour l'elaboration de multi-faisceaux |
JP2012222725A (ja) * | 2011-04-13 | 2012-11-12 | Toshiba Corp | アクティブアレイアンテナ装置 |
US9601827B2 (en) | 2012-11-07 | 2017-03-21 | Mitsubishi Electric Corporation | Array-fed reflector antenna device and method of controlling this device |
CN107645069B (zh) * | 2017-10-09 | 2024-03-15 | 成都瑞德星无线技术有限公司 | 一种近场有源镜像聚焦天线 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3737899A (en) * | 1971-02-01 | 1973-06-05 | Raytheon Co | Phased array antenna controller |
US3993999A (en) * | 1975-05-16 | 1976-11-23 | Texas Instruments Incorporated | Amplitude modulation scanning antenna system |
US4090199A (en) * | 1976-04-02 | 1978-05-16 | Raytheon Company | Radio frequency beam forming network |
US4203105A (en) * | 1978-05-17 | 1980-05-13 | Bell Telephone Laboratories, Incorporated | Scanable antenna arrangements capable of producing a large image of a small array with minimal aberrations |
US4217587A (en) * | 1978-08-14 | 1980-08-12 | Westinghouse Electric Corp. | Antenna beam steering controller |
US4277787A (en) * | 1979-12-20 | 1981-07-07 | General Electric Company | Charge transfer device phased array beamsteering and multibeam beamformer |
GB2130798B (en) * | 1982-10-06 | 1986-02-12 | Standard Telephones Cables Ltd | Digital beam-forming radar |
US4799065A (en) * | 1983-03-17 | 1989-01-17 | Hughes Aircraft Company | Reconfigurable beam antenna |
DE3571897D1 (en) * | 1984-03-24 | 1989-08-31 | Gen Electric Co Plc | A beam forming network |
JPH0746761B2 (ja) * | 1986-03-04 | 1995-05-17 | 国際電信電話株式会社 | アレイアンテナの給電回路 |
US4827268A (en) * | 1986-08-14 | 1989-05-02 | Hughes Aircraft Company | Beam-forming network |
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 |
-
1988
- 1988-03-18 FR FR8803544A patent/FR2628895B1/fr not_active Expired - Lifetime
-
1989
- 1989-03-15 FI FI891223A patent/FI891223A/fi not_active Application Discontinuation
- 1989-03-15 EP EP89104559A patent/EP0340429A1/fr not_active Withdrawn
- 1989-03-16 NO NO89891135A patent/NO891135L/no unknown
- 1989-03-17 JP JP1067400A patent/JPH01276803A/ja active Pending
- 1989-03-17 AU AU31446/89A patent/AU613458B2/en not_active Ceased
- 1989-03-17 CA CA000594074A patent/CA1298651C/fr not_active Expired - Lifetime
- 1989-03-20 US US07/325,716 patent/US4965588A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NO891135D0 (no) | 1989-03-16 |
US4965588A (en) | 1990-10-23 |
JPH01276803A (ja) | 1989-11-07 |
CA1298651C (fr) | 1992-04-07 |
AU3144689A (en) | 1989-09-21 |
NO891135L (no) | 1989-09-19 |
FI891223A (fi) | 1989-09-19 |
FR2628895A1 (fr) | 1989-09-22 |
EP0340429A1 (fr) | 1989-11-08 |
AU613458B2 (en) | 1991-08-01 |
FR2628895B1 (fr) | 1990-11-16 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed | ||
FD | Application lapsed |
Owner name: ALCATEL N. V. |