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 antenna

Info

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
Application number
GB46547/68A
Other languages
English (en)
Inventor
Uilko Van Der Wal
Maximiliaan Hubert Bodmer
Jan Nijhuis
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales Nederland BV
Original Assignee
Thales Nederland BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thales Nederland BV filed Critical Thales Nederland BV
Publication of GB1243083A publication Critical patent/GB1243083A/en
Expired legal-status Critical Current

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)
GB46547/68A 1967-10-04 1968-10-01 Improvements in or relating to a primary feed for a radar antenna Expired GB1243083A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6713465A NL6713465A (xx) 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 (xx)
BE (1) BE721733A (xx)
DE (1) DE1800130C3 (xx)
FR (1) FR1603380A (xx)
GB (1) GB1243083A (xx)
NL (1) NL6713465A (xx)
SE (1) SE335757B (xx)

Cited By (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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 (xx) * 1987-09-05 1987-10-22 Reglomat Ag, St. Gallen, Ch
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)

* Cited by examiner, † Cited by third party
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

Cited By (4)

* Cited by examiner, † Cited by third party
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
NL6713465A (xx) 1969-04-09
BE721733A (xx) 1969-03-14
US3491362A (en) 1970-01-20
SE335757B (xx) 1971-06-07
DE1800130C3 (de) 1974-10-10
DE1800130B2 (de) 1974-03-07
FR1603380A (xx) 1971-04-13
DE1800130A1 (de) 1969-04-30

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