AU2944389A - Radio antennas - Google Patents
Radio antennasInfo
- Publication number
- AU2944389A AU2944389A AU29443/89A AU2944389A AU2944389A AU 2944389 A AU2944389 A AU 2944389A AU 29443/89 A AU29443/89 A AU 29443/89A AU 2944389 A AU2944389 A AU 2944389A AU 2944389 A AU2944389 A AU 2944389A
- Authority
- AU
- Australia
- Prior art keywords
- radio antennas
- antennas
- radio
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
-
- 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
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8802204 | 1988-02-02 | ||
GB888802204A GB8802204D0 (en) | 1988-02-02 | 1988-02-02 | Twin feeder crossed field antenna systems |
PCT/GB1989/000080 WO1989007348A1 (en) | 1988-02-02 | 1989-01-27 | Radio antennas |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2944389A true AU2944389A (en) | 1989-08-25 |
AU626210B2 AU626210B2 (en) | 1992-07-23 |
Family
ID=26293399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU29443/89A Ceased AU626210B2 (en) | 1988-02-02 | 1989-01-27 | Radio antennas |
Country Status (1)
Country | Link |
---|---|
AU (1) | AU626210B2 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US382963A (en) * | 1888-05-15 | Wagon-standard | ||
US2359620A (en) * | 1942-06-13 | 1944-10-03 | Rca Corp | Short wave antenna |
DE1152162B (en) * | 1962-05-04 | 1963-08-01 | Telefunken Patent | Vehicle DF antenna combination |
-
1989
- 1989-01-27 AU AU29443/89A patent/AU626210B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
AU626210B2 (en) | 1992-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |