GB1040300A - Improvements in radar aerials for helical scanning - Google Patents
Improvements in radar aerials for helical scanningInfo
- Publication number
- GB1040300A GB1040300A GB1678163A GB1678163A GB1040300A GB 1040300 A GB1040300 A GB 1040300A GB 1678163 A GB1678163 A GB 1678163A GB 1678163 A GB1678163 A GB 1678163A GB 1040300 A GB1040300 A GB 1040300A
- Authority
- GB
- United Kingdom
- Prior art keywords
- shaft
- aerial
- fixed
- pinion
- rotated
- 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
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/01—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the shape of the antenna or antenna system
-
- 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
- H01Q19/10—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 reflecting surfaces
- H01Q19/12—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 reflecting surfaces wherein the surfaces are concave
- H01Q19/13—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 reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/002—Antennas or antenna systems providing at least two radiating patterns providing at least two patterns of different beamwidth; Variable beamwidth antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/12—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems
- H01Q3/16—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL278140 | 1962-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1040300A true GB1040300A (en) | 1966-08-24 |
Family
ID=19753805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1678163A Expired GB1040300A (en) | 1962-05-07 | 1963-04-29 | Improvements in radar aerials for helical scanning |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE631960A (es) |
| CH (1) | CH413008A (es) |
| DE (1) | DE1185671B (es) |
| GB (1) | GB1040300A (es) |
| NL (2) | NL121049C (es) |
| SE (1) | SE320709B (es) |
-
0
- NL NL278140D patent/NL278140A/xx unknown
- NL NL121049D patent/NL121049C/xx active
- BE BE631960D patent/BE631960A/xx unknown
-
1963
- 1963-04-29 GB GB1678163A patent/GB1040300A/en not_active Expired
- 1963-05-06 DE DEN23133A patent/DE1185671B/de active Pending
- 1963-05-06 SE SE495463A patent/SE320709B/xx unknown
- 1963-05-06 CH CH569763A patent/CH413008A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| SE320709B (es) | 1970-02-16 |
| CH413008A (de) | 1966-05-15 |
| NL278140A (es) | |
| DE1185671B (de) | 1965-01-21 |
| BE631960A (es) | |
| NL121049C (es) |
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