GB703705A - Improvements in or relating to radio aerials - Google Patents
Improvements in or relating to radio aerialsInfo
- Publication number
- GB703705A GB703705A GB495051A GB495051A GB703705A GB 703705 A GB703705 A GB 703705A GB 495051 A GB495051 A GB 495051A GB 495051 A GB495051 A GB 495051A GB 703705 A GB703705 A GB 703705A
- Authority
- GB
- United Kingdom
- Prior art keywords
- limb
- tube
- limbs
- unipole
- earth
- 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
- 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
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
703,705. Aerials. ELECTRIC & MUSICAL INDUSTRIES, Ltd. May 6, 1952 [March 1, 1951], No. 4950/51. Class 40 (7) An aerial system comprises a single length of conductive rod or tube shaped to form a folded unipole with one limb extended to afford an effective earth. The earth extension may be further continued to provide one or more directors and/or reflectors. A metal tube 1, half an inch in diameter, is bent into inverted U shape having limbs 2 and 3 and one limb extended to provide a horizontal portion 5 providing an effective earth. The aerial is supported on top of a mast 6 by means secured to the portion 5. A reflector 7 coplanar with the limbs 2 and 3 may be formed by a further extension 7 of the tube and the tube may be closed by a plug 8. A concentric feeder 9, 10 may pass up the mast into the interior of the tube and be led to the open end of limb 2. The outer conductor 9 is there connected to the end of limb 3 as shown and the inner conductor 10 to the end of limb 2. A protective insulating member 12 may be moulded in position over the connections. Fig. 2 shows how a single length of rod or tube can be shaped to form a unipole with a director and a reflector and Fig. 3 shows an arrangement with three reflectors, Figs. 2 and 3 (not shown). It is stated that the feeder may be led straight across from the portion 5 to the end of limb 2 instead of passing along the limbs of the unipole. Specification 438,506 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB495051A GB703705A (en) | 1951-03-01 | 1951-03-01 | Improvements in or relating to radio aerials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB495051A GB703705A (en) | 1951-03-01 | 1951-03-01 | Improvements in or relating to radio aerials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB703705A true GB703705A (en) | 1954-02-10 |
Family
ID=9786941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB495051A Expired GB703705A (en) | 1951-03-01 | 1951-03-01 | Improvements in or relating to radio aerials |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB703705A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2994876A (en) * | 1957-01-14 | 1961-08-01 | Bengt Adolf Samuel Josephson | Ultrashortwave antenna |
-
1951
- 1951-03-01 GB GB495051A patent/GB703705A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2994876A (en) * | 1957-01-14 | 1961-08-01 | Bengt Adolf Samuel Josephson | Ultrashortwave antenna |
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