GB1136174A - Improvements in antennae - Google Patents

Improvements in antennae

Info

Publication number
GB1136174A
GB1136174A GB1618/67A GB161867A GB1136174A GB 1136174 A GB1136174 A GB 1136174A GB 1618/67 A GB1618/67 A GB 1618/67A GB 161867 A GB161867 A GB 161867A GB 1136174 A GB1136174 A GB 1136174A
Authority
GB
United Kingdom
Prior art keywords
reflector
aerial
horns
main reflector
main
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
GB1618/67A
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.)
General Precision Systems Inc
Original Assignee
General Precision Systems Inc
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 General Precision Systems Inc filed Critical General Precision Systems Inc
Publication of GB1136174A publication Critical patent/GB1136174A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01Q19/18—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 having two or more spaced reflecting surfaces
    • H01Q19/19—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 having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/24—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave constituted by a dielectric or ferromagnetic rod or pipe
    • 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
    • H01Q19/18—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 having two or more spaced reflecting surfaces
    • 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
    • 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
    • H01Q3/20—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 wherein the primary active element is fixed and the reflecting device is movable

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
GB1618/67A 1966-02-15 1967-01-11 Improvements in antennae Expired GB1136174A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US527549A US3392397A (en) 1966-02-15 1966-02-15 Cassegrain antenna for scanning with elliptically shaped beam

Publications (1)

Publication Number Publication Date
GB1136174A true GB1136174A (en) 1968-12-11

Family

ID=24101913

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1618/67A Expired GB1136174A (en) 1966-02-15 1967-01-11 Improvements in antennae

Country Status (7)

Country Link
US (1) US3392397A (enrdf_load_stackoverflow)
DE (1) DE1591132A1 (enrdf_load_stackoverflow)
DK (1) DK117577B (enrdf_load_stackoverflow)
FR (1) FR1510730A (enrdf_load_stackoverflow)
GB (1) GB1136174A (enrdf_load_stackoverflow)
NO (1) NO122793B (enrdf_load_stackoverflow)
SE (1) SE335756B (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351060A (en) * 1991-02-25 1994-09-27 Bayne Gerald A Antenna
GB2326530A (en) * 1997-04-22 1998-12-23 Andrew Corp Antenna with parabolic and conical reflectors
US6011521A (en) * 1996-03-04 2000-01-04 Andrew Corporation Broadband omnidirectional microwave parabolic dish-shaped cone antenna

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5028148B1 (enrdf_load_stackoverflow) * 1969-11-28 1975-09-12
US4041500A (en) * 1976-05-12 1977-08-09 The United States Of America As Represented By The Secretary Of The Navy Line scan radar antenna using a single motor
GB8430306D0 (en) * 1984-11-30 1985-01-09 British Telecomm Transportable antenna
CA2101141C (en) * 1992-09-17 1997-10-28 Parthasarathy Ramanujam Equalized offset fed shaped reflector antenna system and technique for equalizing same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2531454A (en) * 1942-02-04 1950-11-28 Sperry Corp Directive antenna structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351060A (en) * 1991-02-25 1994-09-27 Bayne Gerald A Antenna
US6011521A (en) * 1996-03-04 2000-01-04 Andrew Corporation Broadband omnidirectional microwave parabolic dish-shaped cone antenna
GB2326530A (en) * 1997-04-22 1998-12-23 Andrew Corp Antenna with parabolic and conical reflectors
GB2326530B (en) * 1997-04-22 2001-12-19 Andrew Corp A broadband omnidirectional microwave parabolic dish shaped cone antenna

Also Published As

Publication number Publication date
SE335756B (enrdf_load_stackoverflow) 1971-06-07
NO122793B (enrdf_load_stackoverflow) 1971-08-16
DE1591132A1 (de) 1970-01-08
DK117577B (da) 1970-05-11
US3392397A (en) 1968-07-09
FR1510730A (fr) 1968-01-19

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