IT8848067A0 - Antenna riconfigurabile in frequenza-copertura-polarizzazione - Google Patents

Antenna riconfigurabile in frequenza-copertura-polarizzazione

Info

Publication number
IT8848067A0
IT8848067A0 IT8848067A IT4806788A IT8848067A0 IT 8848067 A0 IT8848067 A0 IT 8848067A0 IT 8848067 A IT8848067 A IT 8848067A IT 4806788 A IT4806788 A IT 4806788A IT 8848067 A0 IT8848067 A0 IT 8848067A0
Authority
IT
Italy
Prior art keywords
polarization
coverage
frequency
reconfigurable antenna
reconfigurable
Prior art date
Application number
IT8848067A
Other languages
English (en)
Other versions
IT1219615B (it
Inventor
Scialino G Lorenzo
Trombetta Beniamino
Original Assignee
Selenia Spazio Spa
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 Selenia Spazio Spa filed Critical Selenia Spazio Spa
Priority to IT48067/88A priority Critical patent/IT1219615B/it
Publication of IT8848067A0 publication Critical patent/IT8848067A0/it
Priority to EP19890110358 priority patent/EP0345768A3/en
Application granted granted Critical
Publication of IT1219615B publication Critical patent/IT1219615B/it

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/001Crossed polarisation dual antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/24Arrangements 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 orientation by switching energy from one active radiating element to another, e.g. for beam switching
    • H01Q3/245Arrangements 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 orientation by switching energy from one active radiating element to another, e.g. for beam switching in the focal plane of a focussing device
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/40Imbricated or interleaved structures; Combined or electromagnetically coupled arrangements, e.g. comprising two or more non-connected fed radiating elements
    • H01Q5/45Imbricated 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)
IT48067/88A 1988-06-09 1988-06-09 Antenna riconfigurabile in frequenza-copertura-polarizzazione IT1219615B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT48067/88A IT1219615B (it) 1988-06-09 1988-06-09 Antenna riconfigurabile in frequenza-copertura-polarizzazione
EP19890110358 EP0345768A3 (en) 1988-06-09 1989-06-08 Antenna reconfigurable with respect to frequency, coverage and polarisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT48067/88A IT1219615B (it) 1988-06-09 1988-06-09 Antenna riconfigurabile in frequenza-copertura-polarizzazione

Publications (2)

Publication Number Publication Date
IT8848067A0 true IT8848067A0 (it) 1988-06-09
IT1219615B IT1219615B (it) 1990-05-24

Family

ID=11264328

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48067/88A IT1219615B (it) 1988-06-09 1988-06-09 Antenna riconfigurabile in frequenza-copertura-polarizzazione

Country Status (2)

Country Link
EP (1) EP0345768A3 (it)
IT (1) IT1219615B (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6836258B2 (en) 2002-11-22 2004-12-28 Ems Technologies Canada, Ltd. Complementary dual antenna system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795004A (en) * 1973-02-26 1974-02-26 Us Army Cassegrain radar antenna with selectable acquisition and track modes
US4535338A (en) * 1982-05-10 1985-08-13 At&T Bell Laboratories Multibeam antenna arrangement
JPS5911007A (ja) * 1982-07-12 1984-01-20 Nec Corp 2周波数帯共用のアンテナ装置

Also Published As

Publication number Publication date
IT1219615B (it) 1990-05-24
EP0345768A2 (en) 1989-12-13
EP0345768A3 (en) 1990-11-28

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970117