FR2115420B1 - - Google Patents
Info
- Publication number
- FR2115420B1 FR2115420B1 FR7142404A FR7142404A FR2115420B1 FR 2115420 B1 FR2115420 B1 FR 2115420B1 FR 7142404 A FR7142404 A FR 7142404A FR 7142404 A FR7142404 A FR 7142404A FR 2115420 B1 FR2115420 B1 FR 2115420B1
- Authority
- FR
- France
- 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.)
- Expired
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
- H01Q3/242—Circumferential scanning
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/31—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated nitriles
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00093195A US3816830A (en) | 1970-11-27 | 1970-11-27 | Cylindrical array antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2115420A1 FR2115420A1 (enExample) | 1972-07-07 |
| FR2115420B1 true FR2115420B1 (enExample) | 1976-09-03 |
Family
ID=22237678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7142404A Expired FR2115420B1 (enExample) | 1970-11-27 | 1971-11-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3816830A (enExample) |
| CA (1) | CA931643A (enExample) |
| DE (1) | DE2158416A1 (enExample) |
| FR (1) | FR2115420B1 (enExample) |
| GB (1) | GB1323384A (enExample) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3964066A (en) * | 1975-01-02 | 1976-06-15 | International Telephone And Telegraph Corporation | Electronic scanned cylindrical-array antenna using network approach for reduced system complexity |
| US4316192A (en) * | 1979-11-01 | 1982-02-16 | The Bendix Corporation | Beam forming network for butler matrix fed circular array |
| IT1179394B (it) * | 1984-07-09 | 1987-09-16 | Selenia Ind Elettroniche | Antenna multifascio in grado di realizzare posizioni di fascio diverse in funzione del settore angolare di interesse |
| US5257031A (en) * | 1984-07-09 | 1993-10-26 | Selenia Industrie Elettroniche Associate S.P.A. | Multibeam antenna which can provide different beam positions according to the angular sector of interest |
| EP0271778A3 (en) * | 1986-12-04 | 1990-02-07 | International Standard Electric Corporation | Half circular 360o scanning radar array |
| WO1988006295A1 (fr) * | 1987-02-13 | 1988-08-25 | Mitsubishi Denki Kabushiki Kaisha | Radar holographique |
| US4819000A (en) * | 1987-08-10 | 1989-04-04 | Micronav Ltd. | Scanning antenna having amplitude and phase distribution diversity |
| US5457465A (en) * | 1987-09-01 | 1995-10-10 | Ball Corporation | Conformal switched beam array antenna |
| GB2356096B (en) | 1991-03-12 | 2001-08-15 | Siemens Plessey Electronic | Method of operating a radar antenna system |
| US6768456B1 (en) * | 1992-09-11 | 2004-07-27 | Ball Aerospace & Technologies Corp. | Electronically agile dual beam antenna system |
| US5543807A (en) * | 1992-11-25 | 1996-08-06 | Loral Corporation | Electronic commutation switch for cylindrical array antennas |
| US5684491A (en) * | 1995-01-27 | 1997-11-04 | Hazeltine Corporation | High gain antenna systems for cellular use |
| 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 |
| US6677688B2 (en) * | 2000-06-07 | 2004-01-13 | Tyco Electronics Corporation | Scalable N×M, RF switching matrix architecture |
| US6421005B1 (en) * | 2000-08-09 | 2002-07-16 | Lucent Technologies Inc. | Adaptive antenna system and method |
| BG64659B1 (bg) * | 2001-06-14 | 2005-10-31 | Skygate International Technology N.V. | Метод за сканиране на антенна решетка и фазорегулиращо устройство за осъществяването му |
| US6831601B1 (en) * | 2003-02-05 | 2004-12-14 | Bae Systems Information And Electronic Systems Integration Inc. | Circular array scanning with sum and difference excitation |
| US20090017910A1 (en) * | 2007-06-22 | 2009-01-15 | Broadcom Corporation | Position and motion tracking of an object |
| US20090231186A1 (en) * | 2008-02-06 | 2009-09-17 | Raysat Broadcasting Corp. | Compact electronically-steerable mobile satellite antenna system |
| CN105896079B (zh) * | 2016-06-14 | 2019-01-29 | 中国电子科技集团公司第五十四研究所 | 一种多波束相控天线系统 |
| US10645516B2 (en) | 2016-08-31 | 2020-05-05 | Harman International Industries, Incorporated | Variable acoustic loudspeaker system and control |
| WO2018045133A1 (en) * | 2016-08-31 | 2018-03-08 | Harman International Industries, Incorporated | Variable acoustics loudspeaker |
| BE1027101B1 (nl) | 2019-03-08 | 2020-10-05 | Advionics Nv | Een verbeterd antennesysteem |
| US12283758B2 (en) * | 2020-01-24 | 2025-04-22 | Gilat Satellite Networks Ltd. | System and methods for use with electronically steerable antennas for wireless communications |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3531803A (en) * | 1966-05-02 | 1970-09-29 | Hughes Aircraft Co | Switching and power phasing apparatus for automatically forming and despinning an antenna beam for a spinning body |
| FR1573820A (enExample) * | 1966-09-01 | 1969-07-11 |
-
1970
- 1970-11-27 US US00093195A patent/US3816830A/en not_active Expired - Lifetime
-
1971
- 1971-06-29 CA CA116908A patent/CA931643A/en not_active Expired
- 1971-06-30 GB GB3055271A patent/GB1323384A/en not_active Expired
- 1971-11-25 DE DE19712158416 patent/DE2158416A1/de active Pending
- 1971-11-26 FR FR7142404A patent/FR2115420B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1323384A (en) | 1973-07-11 |
| CA931643A (en) | 1973-08-07 |
| FR2115420A1 (enExample) | 1972-07-07 |
| US3816830A (en) | 1974-06-11 |
| DE2158416A1 (de) | 1972-05-31 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |