GB1368623A - Electrically steerable antenna systems - Google Patents

Electrically steerable antenna systems

Info

Publication number
GB1368623A
GB1368623A GB3521971A GB3521971A GB1368623A GB 1368623 A GB1368623 A GB 1368623A GB 3521971 A GB3521971 A GB 3521971A GB 3521971 A GB3521971 A GB 3521971A GB 1368623 A GB1368623 A GB 1368623A
Authority
GB
United Kingdom
Prior art keywords
aircraft
phase differences
antenna systems
dipole elements
array
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
GB3521971A
Other languages
English (en)
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.)
CA MINISTER NAT DEFENCE
Minister of National Defence of Canada
Original Assignee
CA MINISTER NAT DEFENCE
Minister of National Defence of Canada
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 CA MINISTER NAT DEFENCE, Minister of National Defence of Canada filed Critical CA MINISTER NAT DEFENCE
Priority to GB3521971A priority Critical patent/GB1368623A/en
Priority to DE19712139276 priority patent/DE2139276A1/de
Priority to NL7110854A priority patent/NL7110854A/xx
Priority to FR7131095A priority patent/FR2150587B1/fr
Publication of GB1368623A publication Critical patent/GB1368623A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/22—Antenna units of the array energised non-uniformly in amplitude or phase, e.g. tapered array or binomial array
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
    • H01Q1/282—Modifying the aerodynamic properties of the vehicle, e.g. projecting type aerials
    • H01Q1/283—Blade, stub 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
    • H01Q3/26—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34—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 relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Fluid Mechanics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
GB3521971A 1971-07-27 1971-07-27 Electrically steerable antenna systems Expired GB1368623A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB3521971A GB1368623A (en) 1971-07-27 1971-07-27 Electrically steerable antenna systems
DE19712139276 DE2139276A1 (de) 1971-07-27 1971-08-05 Elektrisch steuerbares antennensystem
NL7110854A NL7110854A (enExample) 1971-07-27 1971-08-06
FR7131095A FR2150587B1 (enExample) 1971-07-27 1971-08-27

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB3521971A GB1368623A (en) 1971-07-27 1971-07-27 Electrically steerable antenna systems
DE19712139276 DE2139276A1 (de) 1971-07-27 1971-08-05 Elektrisch steuerbares antennensystem
NL7110854A NL7110854A (enExample) 1971-07-27 1971-08-06
FR7131095A FR2150587B1 (enExample) 1971-07-27 1971-08-27

Publications (1)

Publication Number Publication Date
GB1368623A true GB1368623A (en) 1974-10-02

Family

ID=27431298

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3521971A Expired GB1368623A (en) 1971-07-27 1971-07-27 Electrically steerable antenna systems

Country Status (4)

Country Link
DE (1) DE2139276A1 (enExample)
FR (1) FR2150587B1 (enExample)
GB (1) GB1368623A (enExample)
NL (1) NL7110854A (enExample)

Also Published As

Publication number Publication date
NL7110854A (enExample) 1973-02-08
DE2139276A1 (de) 1973-02-08
FR2150587B1 (enExample) 1975-07-11
FR2150587A1 (enExample) 1973-04-13

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee