FR2160794A1 - - Google Patents

Info

Publication number
FR2160794A1
FR2160794A1 FR7214256A FR7214256A FR2160794A1 FR 2160794 A1 FR2160794 A1 FR 2160794A1 FR 7214256 A FR7214256 A FR 7214256A FR 7214256 A FR7214256 A FR 7214256A FR 2160794 A1 FR2160794 A1 FR 2160794A1
Authority
FR
France
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.)
Granted
Application number
FR7214256A
Other versions
FR2160794B1 (fr
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.)
Italtel SpA
Siemens SpA
Original Assignee
Societa Italiana Telecomunicazioni Siemens SpA
Siemens 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 Societa Italiana Telecomunicazioni Siemens SpA, Siemens SpA filed Critical Societa Italiana Telecomunicazioni Siemens SpA
Publication of FR2160794A1 publication Critical patent/FR2160794A1/fr
Application granted granted Critical
Publication of FR2160794B1 publication Critical patent/FR2160794B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/02—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using radio waves
    • G01S3/14—Systems for determining direction or deviation from predetermined direction
    • G01S3/146—Systems for determining direction or deviation from predetermined direction by comparing linear polarisation components
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/16—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
    • H01Q25/04—Multimode antennas

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Waveguide Switches, Polarizers, And Phase Shifters (AREA)
  • Waveguide Aerials (AREA)
FR7214256A 1971-11-24 1972-04-21 Expired FR2160794B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT31579/71A IT946090B (it) 1971-11-24 1971-11-24 Circuito di estrazione del segnale errore nel puntamento di una anten na a microonde verso un bersaglio mobile

Publications (2)

Publication Number Publication Date
FR2160794A1 true FR2160794A1 (fr) 1973-07-06
FR2160794B1 FR2160794B1 (fr) 1977-04-01

Family

ID=11233785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7214256A Expired FR2160794B1 (fr) 1971-11-24 1972-04-21

Country Status (5)

Country Link
US (1) US3821741A (fr)
JP (1) JPS5226880B2 (fr)
DE (1) DE2255207A1 (fr)
FR (1) FR2160794B1 (fr)
IT (1) IT946090B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2442518A1 (fr) * 1978-11-27 1980-06-20 Sits Soc It Telecom Siemens Dispositif pour relever l'erreur de pointage de l'antenne dans un systeme de telecommunications

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906508A (en) * 1974-07-15 1975-09-16 Rca Corp Multimode horn antenna
JPS52142343U (fr) * 1976-04-21 1977-10-28
US4348676A (en) * 1980-09-09 1982-09-07 Ford Aerospace & Communications Corporation Automatic phase alignment system for a tracking antenna
US4388625A (en) * 1981-01-12 1983-06-14 Harris Corporation Multimode diagonal feed horn
US4420756A (en) * 1981-01-19 1983-12-13 Trw Inc. Multi-mode tracking antenna feed system
US4704611A (en) * 1984-06-12 1987-11-03 British Telecommunications Public Limited Company Electronic tracking system for microwave antennas
US4742317A (en) * 1986-05-23 1988-05-03 General Electric Company Mode coupler for monopulse antennas and the like
DE3617438C1 (de) * 1986-05-23 1987-10-15 Messerschmitt Boelkow Blohm Wellentypweiche
US5507452A (en) * 1994-08-24 1996-04-16 Loral Corp. Precision guidance system for aircraft launched bombs
US6137450A (en) * 1999-04-05 2000-10-24 Hughes Electronics Corporation Dual-linearly polarized multi-mode rectangular horn for array antennas
US6642900B2 (en) 2001-09-21 2003-11-04 The Boeing Company High radiation efficient dual band feed horn
US7373712B2 (en) * 2004-04-22 2008-05-20 Northrop Grumman Corporation Method for making an antenna structure
US20060125706A1 (en) * 2004-12-14 2006-06-15 Eric Amyotte High performance multimode horn for communications and tracking
FR2920915B1 (fr) * 2007-09-07 2009-10-23 Thales Sa Coupleur-separateur d'emission-reception multibande a large bande de type omt pour antennes de telecommunications hyperfrequences.
AU2011326337B2 (en) 2010-11-08 2015-05-28 Bae Systems Australia Limited Antenna system
JP6278907B2 (ja) * 2015-01-15 2018-02-14 三菱電機株式会社 偏波分離回路

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259899A (en) * 1963-12-24 1966-07-05 Bell Telephone Labor Inc Nondegenerate multimode tracking system
US3582950A (en) * 1968-05-17 1971-06-01 Hitachi Ltd Tracking antenna system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259899A (en) * 1963-12-24 1966-07-05 Bell Telephone Labor Inc Nondegenerate multimode tracking system
US3582950A (en) * 1968-05-17 1971-06-01 Hitachi Ltd Tracking antenna system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2442518A1 (fr) * 1978-11-27 1980-06-20 Sits Soc It Telecom Siemens Dispositif pour relever l'erreur de pointage de l'antenne dans un systeme de telecommunications

Also Published As

Publication number Publication date
IT946090B (it) 1973-05-21
JPS4860892A (fr) 1973-08-25
US3821741A (en) 1974-06-28
DE2255207A1 (de) 1973-06-20
JPS5226880B2 (fr) 1977-07-16
FR2160794B1 (fr) 1977-04-01

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Legal Events

Date Code Title Description
ST Notification of lapse