GB905417A - Antenna - Google Patents
AntennaInfo
- Publication number
- GB905417A GB905417A GB3879/61A GB387961A GB905417A GB 905417 A GB905417 A GB 905417A GB 3879/61 A GB3879/61 A GB 3879/61A GB 387961 A GB387961 A GB 387961A GB 905417 A GB905417 A GB 905417A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rod
- probe
- sector
- dielectric
- point
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/281—Nose antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/24—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave constituted by a dielectric or ferromagnetic rod or pipe
Abstract
905,417. Aerials. DON-LAN ELECTRONICS Inc. Feb. 1, 1961 [Feb. 19, 1960], No. 3879/61. Class 40 (7). An aerial comprises a hollow conducting body 10 terminating at one end in a coaxial input connector 11 and at its other end in a sleeve coaxially aligned with the connector, the rear section 13 of a dielectric rod member being received by the sleeve and there being means to couple e.m. energy from the conductor to the rod within the body. The inner conductor 17 of the connector is bored to form a thermal expansion joint with a probe 19, one end of which fits into the bore. The other end of the probe is bent laterally to connect at 22 with the cylindrical wall of the hollow body. The end of the dielectric rod fitted into the body has a conductive coating which is extended to form a sector-shaped coating 24 on the base of the rod. The probe is inclined at a small angle A to the base so forming a capacitive coupling with the sector 24, the capacitance varying over the length of the laterally bent portion of the probe to form a coupling stated to be effective over a wide frequency range. Matching may be achieved by varying the capacitance by rotation of the rod, and thus the sector 24, relative to the probe. Rotation of the sector through 90 degrees to the position 24<SP>1</SP> indicated by dashed lines produces circularly polarized radiation. The end of the rod remote from the body tapers towards a point so that the rod functions as a dielectric lens to restrict the width of, and suppress side lobes in, the radiated beam. The directivity may be further enhanced by providing a series of conducting bands on the rod, Fig. 4 (not shown), whose width and spacing decreases towards the point of the rod, or by the provision on a common axis of a number of dielectric rods whose diameters decrease towards the point, each fitting in a conductively lined cavity in its predecessor in a sequence nearer the body 10, Fig. 5 (not shown).
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US9771A US3128467A (en) | 1960-02-19 | 1960-02-19 | Dielectric rod radiating antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB905417A true GB905417A (en) | 1962-09-05 |
Family
ID=21739616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3879/61A Expired GB905417A (en) | 1960-02-19 | 1961-02-01 | Antenna |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3128467A (en) |
| GB (1) | GB905417A (en) |
Cited By (119)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4616233A (en) * | 1984-04-25 | 1986-10-07 | Ford Aerospace & Communications Corporation | Twin zig zag log periodic antenna |
| GB2185861A (en) * | 1985-01-16 | 1987-07-29 | Junkosha Co Ltd | Dielectric waveguide |
| DE3627597A1 (en) * | 1986-08-14 | 1988-02-18 | Licentia Gmbh | Conformal antenna for missiles |
| DE4443055A1 (en) * | 1994-12-05 | 1996-06-20 | Grieshaber Vega Kg | Aerial unit for filling level radar gauge with HF emitter for radiating microwaves |
| DE19723880A1 (en) * | 1997-06-06 | 1998-12-10 | Endress Hauser Gmbh Co | Device for fastening an excitation element in a metallic waveguide of an antenna and for electrically connecting the same to a coaxial line arranged outside the waveguide |
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| US2977593A (en) * | 1947-11-04 | 1961-03-28 | Raytheon Co | Dielectric nose cone antenna |
| US2823381A (en) * | 1952-01-18 | 1958-02-11 | John F P Martin | Antenna |
| US2880399A (en) * | 1952-10-20 | 1959-03-31 | Sperry Rand Corp | Amplitude modulator for microwaves |
| FR1086790A (en) * | 1953-05-22 | 1955-02-16 | Thomson Houston Comp Francaise | Antenna for electromagnetic detection system with adjustable polarization |
| US2973491A (en) * | 1954-05-13 | 1961-02-28 | Arf Products | Attenuator |
| US2921277A (en) * | 1956-07-13 | 1960-01-12 | Surface Conduction Inc | Launching and receiving of surface waves |
-
1960
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1961
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| US4616233A (en) * | 1984-04-25 | 1986-10-07 | Ford Aerospace & Communications Corporation | Twin zig zag log periodic antenna |
| GB2185861B (en) * | 1985-01-16 | 1989-11-01 | Junkosha Co Ltd | Dielectric waveguide |
| GB2185861A (en) * | 1985-01-16 | 1987-07-29 | Junkosha Co Ltd | Dielectric waveguide |
| DE3604355A1 (en) * | 1985-01-16 | 1987-08-20 | Junkosha Co Ltd | DIELECTRIC WAVE GUIDE |
| DE3627597C2 (en) * | 1986-08-14 | 1998-07-30 | Daimler Benz Aerospace Ag | Compliant missile antenna |
| DE3627597A1 (en) * | 1986-08-14 | 1988-02-18 | Licentia Gmbh | Conformal antenna for missiles |
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