BRPI1105677A2 - sistema compacto de antenas de feixes méltiplos - Google Patents
sistema compacto de antenas de feixes méltiplos Download PDFInfo
- Publication number
- BRPI1105677A2 BRPI1105677A2 BRPI1105677-0A BRPI1105677A BRPI1105677A2 BR PI1105677 A2 BRPI1105677 A2 BR PI1105677A2 BR PI1105677 A BRPI1105677 A BR PI1105677A BR PI1105677 A2 BRPI1105677 A2 BR PI1105677A2
- Authority
- BR
- Brazil
- Prior art keywords
- antenna system
- network
- networks
- beam antenna
- distance
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims abstract description 58
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000005404 monopole Effects 0.000 claims description 19
- 230000010363 phase shift Effects 0.000 claims description 11
- 239000000758 substrate Substances 0.000 description 10
- YTCQFLFGFXZUSN-BAQGIRSFSA-N microline Chemical compound OC12OC3(C)COC2(O)C(C(/Cl)=C/C)=CC(=O)C21C3C2 YTCQFLFGFXZUSN-BAQGIRSFSA-N 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 241000726103 Atta Species 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
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
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2647—Retrodirective arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
-
- 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
- H01Q19/28—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 a secondary device in the form of two or more substantially straight conductive elements
- H01Q19/32—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 a secondary device in the form of two or more substantially straight conductive elements the primary active element being end-fed and elongated
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1060240A FR2968847A1 (fr) | 2010-12-08 | 2010-12-08 | Systeme d'antennes multifaisceaux compact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BRPI1105677A2 true BRPI1105677A2 (pt) | 2013-04-16 |
Family
ID=44225963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BRPI1105677-0A BRPI1105677A2 (pt) | 2010-12-08 | 2011-12-05 | sistema compacto de antenas de feixes méltiplos |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20120146867A1 (enExample) |
| EP (1) | EP2463958B1 (enExample) |
| JP (1) | JP2012124902A (enExample) |
| KR (1) | KR20120064040A (enExample) |
| CN (1) | CN102570052B (enExample) |
| BR (1) | BRPI1105677A2 (enExample) |
| FR (1) | FR2968847A1 (enExample) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CL2016003302A1 (es) | 2016-12-22 | 2017-09-15 | Univ Chile | Dispositivo de radiovisión |
| CN109193171B (zh) * | 2018-09-19 | 2021-06-01 | 西安电子科技大学 | 一种基于Van Atta阵列极化转换的低RCS微带天线 |
| CN115832684B (zh) * | 2022-11-22 | 2025-04-18 | 电子科技大学 | 一种用于双频后向RCS增强的紧凑型双频Van Atta阵列天线 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2908002A (en) | 1955-06-08 | 1959-10-06 | Hughes Aircraft Co | Electromagnetic reflector |
| US3757335A (en) * | 1968-02-29 | 1973-09-04 | Ibm | Communication and control system |
| US3755815A (en) * | 1971-12-20 | 1973-08-28 | Sperry Rand Corp | Phased array fed lens antenna |
| US5258771A (en) * | 1990-05-14 | 1993-11-02 | General Electric Co. | Interleaved helix arrays |
| US5254997A (en) * | 1992-07-31 | 1993-10-19 | Westinghouse Electric Corp. | Retrodirective interrogation responsive system |
| US5276449A (en) * | 1992-09-16 | 1994-01-04 | The Boeing Company | Radar retroreflector with polarization control |
| JPH11298367A (ja) * | 1998-04-16 | 1999-10-29 | Japan Radio Co Ltd | アンテナ装置 |
| US6115005A (en) * | 1998-06-29 | 2000-09-05 | Harris Corporation | Gain-optimized lightweight helical antenna arrangement |
| JP2000151268A (ja) * | 1998-11-16 | 2000-05-30 | Nec Corp | アレイアンテナ装置 |
| US6657580B1 (en) * | 1999-03-26 | 2003-12-02 | Isis Innovation Limited | Transponders |
| CN1788389A (zh) * | 2002-02-01 | 2006-06-14 | Ipr特许公司 | 非周期阵列天线 |
| WO2004027921A2 (en) * | 2002-09-17 | 2004-04-01 | Ipr Licensing, Inc. | Multiple pattern antenna |
| GB2439974B (en) * | 2006-07-07 | 2011-03-23 | Iti Scotland Ltd | Antenna arrangement |
| WO2008126857A1 (ja) * | 2007-04-10 | 2008-10-23 | Nec Corporation | マルチビームアンテナ |
| US8344943B2 (en) * | 2008-07-28 | 2013-01-01 | Physical Domains, LLC | Low-profile omnidirectional retrodirective antennas |
| US8466776B2 (en) * | 2010-07-01 | 2013-06-18 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Extended range passive wireless tag system and method |
| FR2968846A1 (fr) * | 2010-12-08 | 2012-06-15 | Thomson Licensing | Systeme d'antennes multifaisceaux |
-
2010
- 2010-12-08 FR FR1060240A patent/FR2968847A1/fr not_active Withdrawn
-
2011
- 2011-11-07 EP EP11188073.8A patent/EP2463958B1/en not_active Not-in-force
- 2011-12-05 BR BRPI1105677-0A patent/BRPI1105677A2/pt not_active IP Right Cessation
- 2011-12-07 KR KR1020110130209A patent/KR20120064040A/ko not_active Withdrawn
- 2011-12-07 US US13/314,140 patent/US20120146867A1/en not_active Abandoned
- 2011-12-08 CN CN201110404932.9A patent/CN102570052B/zh not_active Expired - Fee Related
- 2011-12-08 JP JP2011269191A patent/JP2012124902A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP2463958B1 (en) | 2013-09-04 |
| CN102570052B (zh) | 2016-01-20 |
| FR2968847A1 (fr) | 2012-06-15 |
| JP2012124902A (ja) | 2012-06-28 |
| KR20120064040A (ko) | 2012-06-18 |
| US20120146867A1 (en) | 2012-06-14 |
| EP2463958A1 (en) | 2012-06-13 |
| CN102570052A (zh) | 2012-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| B03A | Publication of a patent application or of a certificate of addition of invention [chapter 3.1 patent gazette] | ||
| B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] | ||
| B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |