JPS56141603A - Plural horn type antenna - Google Patents

Plural horn type antenna

Info

Publication number
JPS56141603A
JPS56141603A JP4425780A JP4425780A JPS56141603A JP S56141603 A JPS56141603 A JP S56141603A JP 4425780 A JP4425780 A JP 4425780A JP 4425780 A JP4425780 A JP 4425780A JP S56141603 A JPS56141603 A JP S56141603A
Authority
JP
Japan
Prior art keywords
horns
electromagnetic
lenses
focuses
reflector
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.)
Pending
Application number
JP4425780A
Other languages
Japanese (ja)
Inventor
Mitsuhiro Kusano
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4425780A priority Critical patent/JPS56141603A/en
Publication of JPS56141603A publication Critical patent/JPS56141603A/en
Pending 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

Landscapes

  • Aerials With Secondary Devices (AREA)
  • Waveguide Aerials (AREA)

Abstract

PURPOSE:To elevate the radiation characteristic and the gain, and also reduce the leakage power, by providing electromagnetic lenses on the opening parts of the electromagnetic horns of the antenna which is used in case of exceeding a microwave band, and making the center point of this spherical wave draw near the focus of the main reflector. CONSTITUTION:The main reflector 23 consists of a paraboloid of revolution, whose focus and axis of rotation are F' and Z, respectively. On the opening parts of the electromagnetic horns 24, 25 equipped with a lens for irradiating said reflector are provided electromagnetic lenses 201, 202 consisting of a dielectric, and the center points of the radiation spherical wave of the horns 24, 25 are made focuses Q1', Q2' of the surface of the lenses 201, 202. Also, the center axes Z1, Z2 of the electromagnetic horns 181, 182 are provided so as to be inclined by an angle of + or -alpha against the axis of rotation Z of the reflector 23. Therefore, the focuses Q1', Q2', draw nearer the axis of rotation Z than the focuses P1', P2' of the surface S1 of the lenses 201, 202. Accordingly, the angle difference in the maximum radiant direction of the radiation beams of the horns 24, 25 is reduced, and also a radiation characteristic in case of the opening size A of the horn can be obtained. In this way, it is possible to obtain the high gain and the characteristic of good rise by a sum signal and a difference signal, respectively, and also the leakage power is reduced.
JP4425780A 1980-04-04 1980-04-04 Plural horn type antenna Pending JPS56141603A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4425780A JPS56141603A (en) 1980-04-04 1980-04-04 Plural horn type antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4425780A JPS56141603A (en) 1980-04-04 1980-04-04 Plural horn type antenna

Publications (1)

Publication Number Publication Date
JPS56141603A true JPS56141603A (en) 1981-11-05

Family

ID=12686460

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4425780A Pending JPS56141603A (en) 1980-04-04 1980-04-04 Plural horn type antenna

Country Status (1)

Country Link
JP (1) JPS56141603A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074802A (en) * 1983-09-30 1985-04-27 Nec Corp Antenna
WO1999038228A1 (en) * 1998-01-22 1999-07-29 Matsushita Electric Industrial Co., Ltd. Multi-primary radiator, down converter and multibeam antenna
WO2000048270A1 (en) * 1999-02-12 2000-08-17 Tdk Corporation Lens antenna and lens antenna array
JP2000278034A (en) * 1999-01-18 2000-10-06 Nippon Antenna Co Ltd Horn adaptor
EP1296411A2 (en) * 2001-09-21 2003-03-26 Alps Electric Co., Ltd. Converter for receiving satellite broadcast signals from a plurality of satellites
EP1635422A1 (en) * 2003-06-05 2006-03-15 Sumitomo Electric Industries, Ltd. Electromagnetic lens array antenna device
JP2006166399A (en) * 2004-11-15 2006-06-22 Maspro Denkoh Corp Antenna system for emc test, test signal generation apparatus and transmission apparatus
JP2011519250A (en) * 2008-04-29 2011-06-30 レイセオン カンパニー Small aperture interrogator antenna system using sum-difference orientation discrimination technique
WO2017109864A1 (en) * 2015-12-22 2017-06-29 パイオニア株式会社 Measuring device and horn antenna array

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046239A (en) * 1973-08-29 1975-04-24

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5046239A (en) * 1973-08-29 1975-04-24

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6074802A (en) * 1983-09-30 1985-04-27 Nec Corp Antenna
WO1999038228A1 (en) * 1998-01-22 1999-07-29 Matsushita Electric Industrial Co., Ltd. Multi-primary radiator, down converter and multibeam antenna
US6483475B1 (en) 1998-01-22 2002-11-19 Matsushita Electric Industrial Co., Ltd. Block-down-converter and multi-beam-antenna
JP2000278034A (en) * 1999-01-18 2000-10-06 Nippon Antenna Co Ltd Horn adaptor
WO2000048270A1 (en) * 1999-02-12 2000-08-17 Tdk Corporation Lens antenna and lens antenna array
EP1296411A3 (en) * 2001-09-21 2003-05-14 Alps Electric Co., Ltd. Converter for receiving satellite broadcast signals from a plurality of satellites
EP1296411A2 (en) * 2001-09-21 2003-03-26 Alps Electric Co., Ltd. Converter for receiving satellite broadcast signals from a plurality of satellites
EP1339135A2 (en) * 2001-09-21 2003-08-27 Alps Electric Co., Ltd. Converter for receiving satellite broadcast signals from a plurality of satellites
EP1339135A3 (en) * 2001-09-21 2003-09-10 Alps Electric Co., Ltd. Converter for receiving satellite broadcast signals from a plurality of satellites
US6963726B2 (en) 2001-09-21 2005-11-08 Alps Electric Co., Ltd. Satellite broadcasting receiving converter for receiving radio waves from plurality of satellites
EP1635422A1 (en) * 2003-06-05 2006-03-15 Sumitomo Electric Industries, Ltd. Electromagnetic lens array antenna device
EP1635422A4 (en) * 2003-06-05 2008-07-23 Sumitomo Electric Industries Electromagnetic lens array antenna device
JP2006166399A (en) * 2004-11-15 2006-06-22 Maspro Denkoh Corp Antenna system for emc test, test signal generation apparatus and transmission apparatus
JP2011519250A (en) * 2008-04-29 2011-06-30 レイセオン カンパニー Small aperture interrogator antenna system using sum-difference orientation discrimination technique
WO2017109864A1 (en) * 2015-12-22 2017-06-29 パイオニア株式会社 Measuring device and horn antenna array

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