CH616532A5 - - Google Patents
Download PDFInfo
- Publication number
- CH616532A5 CH616532A5 CH779677A CH779677A CH616532A5 CH 616532 A5 CH616532 A5 CH 616532A5 CH 779677 A CH779677 A CH 779677A CH 779677 A CH779677 A CH 779677A CH 616532 A5 CH616532 A5 CH 616532A5
- Authority
- CH
- Switzerland
- Prior art keywords
- radiator
- radiation
- radiators
- phase
- excitation currents
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims description 32
- 238000010586 diagram Methods 0.000 claims description 27
- 230000005284 excitation Effects 0.000 claims description 12
- 230000005672 electromagnetic field Effects 0.000 claims 2
- 239000002184 metal Substances 0.000 claims 2
- 238000000034 method Methods 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000010363 phase shift Effects 0.000 claims 1
- 230000005684 electric field Effects 0.000 description 3
- 210000004072 lung Anatomy 0.000 description 1
Classifications
-
- 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
- H01Q19/22—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 a single substantially straight conductive element
-
- 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
- H01Q19/22—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 a single substantially straight conductive element
- H01Q19/26—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 a single substantially straight conductive element the primary active element being end-fed and elongated
-
- 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
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- 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
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
- H01Q21/12—Parallel arrangements of substantially straight elongated conductive units
-
- 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
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26459/77A GB1579452A (en) | 1977-06-23 | 1977-06-23 | Aerial system |
| CH779677A CH616532A5 (cg-RX-API-DMAC7.html) | 1977-06-23 | 1977-06-24 | |
| FR7719504A FR2395621A1 (fr) | 1977-06-23 | 1977-06-24 | Systeme d'antennes de radiodiffusion |
| DE2729395A DE2729395C3 (de) | 1977-06-23 | 1977-06-29 | Antennenanordnung für die Rundfunkversorgung mit drei vertikalen Strahlern |
| US05/812,730 US4169266A (en) | 1977-06-23 | 1977-07-05 | Aerial system for broadcasting having a passive middle antenna flanked by two end-fed antennas |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB26459/77A GB1579452A (en) | 1977-06-23 | 1977-06-23 | Aerial system |
| CH779677A CH616532A5 (cg-RX-API-DMAC7.html) | 1977-06-23 | 1977-06-24 | |
| FR7719504A FR2395621A1 (fr) | 1977-06-23 | 1977-06-24 | Systeme d'antennes de radiodiffusion |
| DE2729395A DE2729395C3 (de) | 1977-06-23 | 1977-06-29 | Antennenanordnung für die Rundfunkversorgung mit drei vertikalen Strahlern |
| US05/812,730 US4169266A (en) | 1977-06-23 | 1977-07-05 | Aerial system for broadcasting having a passive middle antenna flanked by two end-fed antennas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH616532A5 true CH616532A5 (cg-RX-API-DMAC7.html) | 1980-03-31 |
Family
ID=27509314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH779677A CH616532A5 (cg-RX-API-DMAC7.html) | 1977-06-23 | 1977-06-24 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4169266A (cg-RX-API-DMAC7.html) |
| CH (1) | CH616532A5 (cg-RX-API-DMAC7.html) |
| DE (1) | DE2729395C3 (cg-RX-API-DMAC7.html) |
| FR (1) | FR2395621A1 (cg-RX-API-DMAC7.html) |
| GB (1) | GB1579452A (cg-RX-API-DMAC7.html) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0833404A3 (en) * | 1996-09-26 | 2000-05-24 | Texas Instruments Incorporated | An antenna array |
| JP2001036337A (ja) * | 1999-03-05 | 2001-02-09 | Matsushita Electric Ind Co Ltd | アンテナ装置 |
| KR20050084561A (ko) | 2002-09-17 | 2005-08-26 | 아이피알 라이센싱, 인코포레이티드 | 다중 패턴 안테나 |
| US7696943B2 (en) | 2002-09-17 | 2010-04-13 | Ipr Licensing, Inc. | Low cost multiple pattern antenna for use with multiple receiver systems |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1764441A (en) * | 1924-08-04 | 1930-06-17 | Hahnemann Walter | Arrangement for directional transmission and reception by means of electric waves |
| US1740851A (en) * | 1925-06-30 | 1929-12-24 | Rca Corp | Directional antenna |
| NL55792C (cg-RX-API-DMAC7.html) * | 1938-10-22 | |||
| FR961705A (cg-RX-API-DMAC7.html) * | 1941-05-29 | 1950-05-19 | ||
| US2661423A (en) * | 1953-04-27 | 1953-12-01 | Marvin P Middlemark | Multidirectional antenna with included reflector |
| US3175219A (en) * | 1961-06-20 | 1965-03-23 | Gen Dynamics Corp | Circular dipole array with central reflector and switching system for beam steering |
| US3299429A (en) * | 1963-08-05 | 1967-01-17 | Decibel Prod | Vertical array of folded dipoles adjustably mounted on support mast |
| US4176346A (en) * | 1977-11-21 | 1979-11-27 | John O. Stapleton | Smoke alarm network |
-
1977
- 1977-06-23 GB GB26459/77A patent/GB1579452A/en not_active Expired
- 1977-06-24 CH CH779677A patent/CH616532A5/de not_active IP Right Cessation
- 1977-06-24 FR FR7719504A patent/FR2395621A1/fr not_active Withdrawn
- 1977-06-29 DE DE2729395A patent/DE2729395C3/de not_active Expired
- 1977-07-05 US US05/812,730 patent/US4169266A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR2395621A1 (fr) | 1979-01-19 |
| DE2729395A1 (de) | 1979-01-11 |
| GB1579452A (en) | 1980-11-19 |
| DE2729395B2 (de) | 1981-07-16 |
| US4169266A (en) | 1979-09-25 |
| DE2729395C3 (de) | 1982-03-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |