GB1047374A - - Google Patents

Info

Publication number
GB1047374A
GB1047374A GB2024165A GB2024165A GB1047374A GB 1047374 A GB1047374 A GB 1047374A GB 2024165 A GB2024165 A GB 2024165A GB 2024165 A GB2024165 A GB 2024165A GB 1047374 A GB1047374 A GB 1047374A
Authority
GB
United Kingdom
Prior art keywords
horn
horns
receive
flared
waveguide
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
GB2024165A
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 filed Critical
Publication of GB1047374A publication Critical patent/GB1047374A/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
    • H01Q19/12—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
    • H01Q19/17—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 comprising two or more radiating elements
    • 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
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/45—Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements using two or more feeds in association with a common reflecting, diffracting or refracting device

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Aerials (AREA)

Abstract

1,047,374. Aerials; duplex radio signalling. HUGHES AIRCRAFT CO. May 13, 1965 [June 1, 1964], No. 20241/65. Headings H4A and H4L. In a microwave aerial feed arrangement a flared receive horn contains a coaxial higherfrequency flared transmit horn which projects from its mouth. It is stated that a substantial de-coupling is provided between the transmit horn and the receive horn by this arrangement. As described, a flared pyramidal horn 10 is fed from a transmitter 20 by a waveguide 18 operating in the TE 01 mode and projects from a similar larger receive horn 12 which is connected to a waveguide 22. A receiver 34 is connected to one terminal of a stripline hybrid ring 30 and connections are taken from two other terminals thereof, between which there is a phase difference of 180 degrees, to two probes 26, 28 in the waveguide 22, which is in consequence also caused to operate in the TE 01 mode. The feed arrangement may be associated with a paraboloidal main reflector 38, Fig. 3 (not shown), when the angles of flare of the horns and their dimensions are made such that their phase centres either coincide with the focus of the reflector or, that the phase centres of the transmit and receive horns are on opposite sides of, and small distances from, the focus, with the beam angles of the horns corresponding with the angle subtended by the main reflector at the focus. The feed arrangement may comprise sectoral horns instead of pyramidal horns, when a main cylindrical parabolic reflector may be used.
GB2024165A 1964-06-01 1965-05-13 Expired GB1047374A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US371562A US3325817A (en) 1964-06-01 1964-06-01 Dual frequency horn antenna

Publications (1)

Publication Number Publication Date
GB1047374A true GB1047374A (en) 1966-11-02

Family

ID=23464476

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2024165A Expired GB1047374A (en) 1964-06-01 1965-05-13

Country Status (3)

Country Link
US (1) US3325817A (en)
FR (1) FR1435550A (en)
GB (1) GB1047374A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2278731A (en) * 1993-06-02 1994-12-07 Marconi Gec Ltd Monopulse radar systems

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3389394A (en) * 1965-11-26 1968-06-18 Radiation Inc Multiple frequency antenna
US3803617A (en) * 1972-04-14 1974-04-09 Nasa High efficiency multifrequency feed
US3864687A (en) * 1973-06-18 1975-02-04 Cubic Corp Coaxial horn antenna
DE2613566C2 (en) * 1976-03-30 1982-06-03 Siemens AG, 1000 Berlin und 8000 München Microwave radiator used in a directional antenna
US4199764A (en) * 1979-01-31 1980-04-22 Nasa Dual band combiner for horn antenna
US4788553A (en) * 1983-04-06 1988-11-29 Trw Inc. Doppler radar velocity measurement apparatus
US5003321A (en) * 1985-09-09 1991-03-26 Sts Enterprises, Inc. Dual frequency feed
DE3626856A1 (en) * 1986-08-08 1988-02-11 Licentia Gmbh Antenna arrangement having horn radiating elements
US4821046A (en) * 1986-08-21 1989-04-11 Wilkes Brian J Dual band feed system
US4819005A (en) * 1986-08-21 1989-04-04 Wilkes Brian J Concentric waveguides for a dual-band feed system
US5255003B1 (en) * 1987-10-02 1995-05-16 Antenna Downlink Inc Multiple-frequency microwave feed assembly
US5103237A (en) * 1988-10-05 1992-04-07 Chaparral Communications Dual band signal receiver
US5461394A (en) * 1992-02-24 1995-10-24 Chaparral Communications Inc. Dual band signal receiver
US6031504A (en) * 1998-06-10 2000-02-29 Mcewan; Thomas E. Broadband antenna pair with low mutual coupling
US8248321B2 (en) * 2009-09-01 2012-08-21 Raytheon Company Broadband/multi-band horn antenna with compact integrated feed

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2425488A (en) * 1943-07-03 1947-08-12 Rca Corp Horn antenna
US2677055A (en) * 1949-10-06 1954-04-27 Philip J Allen Multiple-lobe antenna assembly
US2834960A (en) * 1955-02-28 1958-05-13 William W Henderson Electromagnetic radiating horn utilizing aperture loading
US2972148A (en) * 1958-06-11 1961-02-14 Bendix Corp Multi-channel horn antenna
US3109996A (en) * 1960-04-29 1963-11-05 Philip J Allen Waveguide feed with septum for directional antenna

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2278731A (en) * 1993-06-02 1994-12-07 Marconi Gec Ltd Monopulse radar systems
GB2278731B (en) * 1993-06-02 1997-04-23 Marconi Gec Ltd Monopulse radar system

Also Published As

Publication number Publication date
US3325817A (en) 1967-06-13
FR1435550A (en) 1966-04-15

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