GB1243083A - Improvements in or relating to a primary feed for a radar antenna - Google Patents
Improvements in or relating to a primary feed for a radar antennaInfo
- Publication number
- GB1243083A GB1243083A GB46547/68A GB4654768A GB1243083A GB 1243083 A GB1243083 A GB 1243083A GB 46547/68 A GB46547/68 A GB 46547/68A GB 4654768 A GB4654768 A GB 4654768A GB 1243083 A GB1243083 A GB 1243083A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crank
- horn
- shaft
- spring
- ratchet
- 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
- 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
Landscapes
- Aerials With Secondary Devices (AREA)
- Transmission Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL6713465A NL6713465A (nl) | 1967-10-04 | 1967-10-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1243083A true GB1243083A (en) | 1971-08-18 |
Family
ID=19801365
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB46547/68A Expired GB1243083A (en) | 1967-10-04 | 1968-10-01 | Improvements in or relating to a primary feed for a radar antenna |
Country Status (7)
Country | Link |
---|---|
US (1) | US3491362A (nl) |
BE (1) | BE721733A (nl) |
DE (1) | DE1800130C3 (nl) |
FR (1) | FR1603380A (nl) |
GB (1) | GB1243083A (nl) |
NL (1) | NL6713465A (nl) |
SE (1) | SE335757B (nl) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2140975A (en) * | 1983-05-31 | 1984-12-05 | Harris Corp | Rotary scan antenna |
GB2268834A (en) * | 1980-12-04 | 1994-01-19 | Racal Mesl Ltd | Radar arrangements and methods |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2594260B1 (fr) * | 1981-05-22 | 1989-01-13 | Thomson Csf | Source primaire hyperfrequence pour antenne a balayage conique et antenne l'incorporant. |
DE8712053U1 (de) * | 1987-09-05 | 1987-10-22 | Reglomat AG, St. Gallen | Hornantenne für Mikrowellen |
CN113078452B (zh) * | 2021-04-01 | 2022-12-06 | 昆山睿翔讯通通信技术有限公司 | 一种高增益WiFi天线及无线通信终端 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2456323A (en) * | 1946-01-03 | 1948-12-14 | Jacob R Risser | Radiating horn |
US3274602A (en) * | 1963-09-16 | 1966-09-20 | North American Aviation Inc | Antenna having variable beamwidth achieved by variation of source width |
-
1967
- 1967-10-04 NL NL6713465A patent/NL6713465A/xx unknown
-
1968
- 1968-10-01 GB GB46547/68A patent/GB1243083A/en not_active Expired
- 1968-10-01 US US764262A patent/US3491362A/en not_active Expired - Lifetime
- 1968-10-01 DE DE1800130A patent/DE1800130C3/de not_active Expired
- 1968-10-02 BE BE721733D patent/BE721733A/xx unknown
- 1968-10-02 FR FR1603380D patent/FR1603380A/fr not_active Expired
- 1968-10-03 SE SE13371/68A patent/SE335757B/xx unknown
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2268834A (en) * | 1980-12-04 | 1994-01-19 | Racal Mesl Ltd | Radar arrangements and methods |
GB2268834B (en) * | 1980-12-04 | 1994-06-22 | Racal Mesl Ltd | Radar arrangements and methods of detecting different types of targets |
US5477224A (en) * | 1980-12-04 | 1995-12-19 | Racal (Newbridge) Limited | Radar arrangements and methods |
GB2140975A (en) * | 1983-05-31 | 1984-12-05 | Harris Corp | Rotary scan antenna |
Also Published As
Publication number | Publication date |
---|---|
US3491362A (en) | 1970-01-20 |
FR1603380A (nl) | 1971-04-13 |
NL6713465A (nl) | 1969-04-09 |
SE335757B (nl) | 1971-06-07 |
DE1800130C3 (de) | 1974-10-10 |
DE1800130A1 (de) | 1969-04-30 |
BE721733A (nl) | 1969-03-14 |
DE1800130B2 (de) | 1974-03-07 |
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