GB628584A - Antenna system - Google Patents
Antenna systemInfo
- Publication number
- GB628584A GB628584A GB29656/46A GB2965646A GB628584A GB 628584 A GB628584 A GB 628584A GB 29656/46 A GB29656/46 A GB 29656/46A GB 2965646 A GB2965646 A GB 2965646A GB 628584 A GB628584 A GB 628584A
- Authority
- GB
- United Kingdom
- Prior art keywords
- slot
- arrangement
- slits
- circular
- radiating
- 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
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
- H01Q1/523—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas between antennas of an array
Landscapes
- Details Of Aerials (AREA)
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
628,584. Aerials. STANDARD TELEPHONES & CABLES, Ltd. Oct. 4, 1946, No. 29656. Convention date, June 19, 1945. [Class 40 (vii)] In a slot aerial comprising a conducting member formed with an aperture across opposed edge portions of which energy transfer (i.e. feeder) means are coupled for establishing a plurality of spaced current maxima, means are provided for creating impedance to the occurrence of current maxima in certain areas of said member. In the arrangement of Fig. 1, in which a circular aperture 2 is provided in a conducting sheet 1, the impedance means comprise small slits 10, 11 ... 13, cutting the path between the feed terminals 2a, 2b of those points at which the undesired current maxima would otherwise be established. In an arrangement in which three elongated slots are formed in a conducting sheet (Fig. 2, not shown) the operative extent of the sheet associated with each slot is determined by suitably positioned slits (as in Fig. 1), and additional slits crossing the latter slits are provided to set up effective impedances between the three radiating areas. An arrangement producing a radiating area having two current maxima 20a, 20b, has the desired area defined by a circular skirt 23, Figs. 3 and 4. In a modification of the latter arrangement the skirt instead of being circular is comprised of two sections extendirig parallel to the slot (Figs. 5 and 6, not shown). Instead of employing a skirt as in the arrangements of Figs. 3 to 6 the operative extent of the radiating surface may be defined by a plurality of fins arranged parallel to the slot, in the case of an elongated slot, or, when the slot is in the form of a cross (Figs. 7 and 8, not shown), by a plurality of circular circumferential fins. In the arrangement of Fig. 9, the operative extent of the radiating surface 33, underlying a main metallic surface 34, is determined, because of aerodynamic considerations, by the opening 35 in the latter surface. The opening may contain a non-conductive protective material to effect streamlining and to shield the surface # 33. In the arrangement of Fig. 10 a - slot 36 2 A is fed at points 38 ... 40, and a - slot 37 mid- 4 way of and at right angles to the slot 36 effectively separates the portions 42, 43 thereof so that the latter portions function as separate slot aerials. In a further arrangement (Fig. 11, not shown) two cross-shaped slots are formed in the surface of a conducting cylinder and the desired operative extent of the surface is determined by suitably-positioned impedance slits.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US600254A US2557951A (en) | 1945-06-19 | 1945-06-19 | Antenna system |
Publications (1)
Publication Number | Publication Date |
---|---|
GB628584A true GB628584A (en) | 1949-08-31 |
Family
ID=24402897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB29656/46A Expired GB628584A (en) | 1945-06-19 | 1946-10-04 | Antenna system |
Country Status (5)
Country | Link |
---|---|
US (1) | US2557951A (en) |
ES (1) | ES182356A1 (en) |
FR (1) | FR951386A (en) |
GB (1) | GB628584A (en) |
NL (1) | NL71369C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2791769A (en) * | 1950-09-27 | 1957-05-07 | Rca Corp | Dual slot wide band antenna |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2665382A (en) * | 1947-10-16 | 1954-01-05 | Smith | Three slot cylindrical antenna |
US2665381A (en) * | 1947-10-16 | 1954-01-05 | Smith | Slotted cylindrical antenna |
GB693654A (en) * | 1951-03-21 | 1953-07-01 | Gen Electric Co Ltd | Improvements in or relating to aerial systems |
NL82418C (en) * | 1951-06-02 | |||
US2767395A (en) * | 1952-01-02 | 1956-10-16 | North American Aviation Inc | Beacon antenna |
US3046551A (en) * | 1958-03-31 | 1962-07-24 | Ryan Aeronautical Co | Opening microwave antenna having parasitic tuning slots and tuning plates to adjust effective phase center |
US2949606A (en) * | 1958-07-31 | 1960-08-16 | Dorne And Margolin Inc | Slotted airfoil ultra high frequency antenna |
US2982960A (en) * | 1958-08-29 | 1961-05-02 | Hughes Aircraft Co | Arbitrarily polarized slot radiator |
US3121230A (en) * | 1961-03-01 | 1964-02-11 | Brueckmann Helmut | Portable ground plane mat with cavity backed antennas placed thereon |
US3701162A (en) * | 1964-03-24 | 1972-10-24 | Hughes Aircraft Co | Planar antenna array |
US3527227A (en) * | 1965-09-17 | 1970-09-08 | Karl Fritz | Microwave electrodes for medical therapy |
US4242685A (en) * | 1979-04-27 | 1980-12-30 | Ball Corporation | Slotted cavity antenna |
US4489328A (en) * | 1981-06-25 | 1984-12-18 | Trevor Gears | Plural microstrip slot antenna |
US4689629A (en) * | 1982-09-27 | 1987-08-25 | Rogers Corporation | Surface wave antenna |
US4644343A (en) * | 1985-09-30 | 1987-02-17 | The Boeing Company | Y-slot waveguide antenna element |
GB2202379B (en) * | 1987-03-14 | 1991-01-16 | Stc Plc | Wide band antenna |
GB2265258B (en) * | 1992-03-11 | 1995-09-27 | Siemens Plessey Electronic | Antenna array incorporating a choke |
WO2008151451A1 (en) * | 2007-06-12 | 2008-12-18 | Huber + Suhner Ag | Broadband antenna comprising parasitic elements |
US9184507B2 (en) | 2012-03-23 | 2015-11-10 | Lhc2 Inc | Multi-slot common aperture dual polarized omni-directional antenna |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE970327C (en) * | 1936-03-07 | 1958-09-11 | Pintsch Bamag Ag | Device for bundling ultra-short electromagnetic waves |
US2234293A (en) * | 1939-09-19 | 1941-03-11 | Rca Corp | Antenna system |
US2369808A (en) * | 1940-06-08 | 1945-02-20 | American Telephone & Telegraph | Short-wave radio transmission |
NL73349C (en) * | 1941-11-28 | |||
US2414266A (en) * | 1942-06-27 | 1947-01-14 | Rca Corp | Antenna |
-
0
- NL NL71369D patent/NL71369C/xx active
-
1945
- 1945-06-19 US US600254A patent/US2557951A/en not_active Expired - Lifetime
-
1946
- 1946-10-04 GB GB29656/46A patent/GB628584A/en not_active Expired
-
1947
- 1947-08-07 FR FR951386D patent/FR951386A/en not_active Expired
-
1948
- 1948-02-13 ES ES0182356A patent/ES182356A1/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2791769A (en) * | 1950-09-27 | 1957-05-07 | Rca Corp | Dual slot wide band antenna |
Also Published As
Publication number | Publication date |
---|---|
NL71369C (en) | |
FR951386A (en) | 1949-10-24 |
US2557951A (en) | 1951-06-26 |
ES182356A1 (en) | 1948-04-01 |
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