GB515853A - Improvements in dipole aerials - Google Patents
Improvements in dipole aerialsInfo
- Publication number
- GB515853A GB515853A GB1766938A GB1766938A GB515853A GB 515853 A GB515853 A GB 515853A GB 1766938 A GB1766938 A GB 1766938A GB 1766938 A GB1766938 A GB 1766938A GB 515853 A GB515853 A GB 515853A
- Authority
- GB
- United Kingdom
- Prior art keywords
- loop
- dipole
- antenna
- screen
- earthed
- Prior art date
- 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
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/20—Two collinear substantially straight active elements; Substantially straight single active elements
- H01Q9/24—Shunt feed arrangements to single active elements, e.g. for delta matching
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
Landscapes
- Details Of Aerials (AREA)
Abstract
515,853. Wireless signalling. KOLSTERBRANDES, Ltd., and CHATTERJEA, P. K. June 14, 1938, No. 17669. [Class 40 (v)] A transmission line is coupled to a dipole antenna by an impedance transformer comprising a' rectilinear loop having an inductive reactance equal to that of that part of the dipole coupled thereto. In one embodiment, the line is formed into a loop A<1>, B\ D<1>, C<1>, the side A<1>B<1> of which is parallel to the central portion AB of the dipole 1 and may be suspended therefrom by insulators 6. A screen S, which may or may not be earthed, is located between the antenna and the coupling loop and is electrically balanced with respect to the axis of symmetry O, O<1> perpendicular to the antenna. In a further embodiment the screen consists of a tubular Faraday cage coaxial with the loop conductors and left unearthed or earthed at the centre point or connected to the feeder screen if provided.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1766938A GB515853A (en) | 1938-06-14 | 1938-06-14 | Improvements in dipole aerials |
FR855827D FR855827A (en) | 1938-06-14 | 1939-06-07 | Coupling circuits for dipole antennas and the like |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1766938A GB515853A (en) | 1938-06-14 | 1938-06-14 | Improvements in dipole aerials |
Publications (1)
Publication Number | Publication Date |
---|---|
GB515853A true GB515853A (en) | 1939-12-15 |
Family
ID=10099134
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1766938A Expired GB515853A (en) | 1938-06-14 | 1938-06-14 | Improvements in dipole aerials |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR855827A (en) |
GB (1) | GB515853A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3268899A (en) * | 1964-04-23 | 1966-08-23 | James D Walden | Cylindrical tube antenna with matching transmission line |
WO2006130069A1 (en) | 2005-06-02 | 2006-12-07 | Totalförsvarets Forskningsinstitut | Broadband lossless dipole antenna |
US8451185B2 (en) | 2008-02-21 | 2013-05-28 | Antennasys, Inc. | Multi-feed dipole antenna and method |
-
1938
- 1938-06-14 GB GB1766938A patent/GB515853A/en not_active Expired
-
1939
- 1939-06-07 FR FR855827D patent/FR855827A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3268899A (en) * | 1964-04-23 | 1966-08-23 | James D Walden | Cylindrical tube antenna with matching transmission line |
WO2006130069A1 (en) | 2005-06-02 | 2006-12-07 | Totalförsvarets Forskningsinstitut | Broadband lossless dipole antenna |
US8054236B2 (en) | 2005-06-02 | 2011-11-08 | Totalfösvarets Forskningsinstitut | Broadband lossless dipole antenna |
US8451185B2 (en) | 2008-02-21 | 2013-05-28 | Antennasys, Inc. | Multi-feed dipole antenna and method |
Also Published As
Publication number | Publication date |
---|---|
FR855827A (en) | 1940-05-21 |
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