SE7901055L - COUPLES IN AN AUTOMATIC ANGLE FOLLOW SYSTEM - Google Patents

COUPLES IN AN AUTOMATIC ANGLE FOLLOW SYSTEM

Info

Publication number
SE7901055L
SE7901055L SE7901055A SE7901055A SE7901055L SE 7901055 L SE7901055 L SE 7901055L SE 7901055 A SE7901055 A SE 7901055A SE 7901055 A SE7901055 A SE 7901055A SE 7901055 L SE7901055 L SE 7901055L
Authority
SE
Sweden
Prior art keywords
wave guide
mode
dimensioned
communication channels
main wave
Prior art date
Application number
SE7901055A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE419906B (en
Inventor
K E A Molker
B K Watson
P B Ingvarson
Original Assignee
Ericsson Telefon Ab L M
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=20337224&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE7901055(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE7901055A priority Critical patent/SE419906B/en
Priority to DE8080850014T priority patent/DE3065740D1/en
Priority to EP19800850014 priority patent/EP0014692B1/en
Publication of SE7901055L publication Critical patent/SE7901055L/en
Publication of SE419906B publication Critical patent/SE419906B/en

Links

Classifications

    • 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
    • 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
    • H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
    • H01Q13/02—Waveguide horns
    • H01Q13/025—Multimode horn antennas; Horns using higher mode of propagation

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

the invention relates to a mode coupler which, for example is included in an angle tracking system of a satellite to establish a telecommunication between the transmitting and the receiving ground stations. The mode coupler is realized through a circular main wave guide (1) which also can include the feeding horn of the satellite antenna in which a basic mode, for example the TE11-mode of the incoming circular polarized wave guide field appears and which procures two communication channels (f1-f2 and f3-f4 respectively), as well as a beacon frequency (fb). To the main wave guide four rectangular wave guide arms (2a-2d) are connected via the associated apertures (3a-3d). The main wave guide is dimensioned as a mode filter for filtering away the non-desired higher modes TE21 and TM01 and the wave guide arms are dimensioned as a frequency filter for filtering away the frequency bands of the communication channels. From the higher modes TE21 and TM01, the difference- and the sum signals are created in known way to provide a measure of the angle error of the satellite antenna.
SE7901055A 1979-02-07 1979-02-07 COUPLES IN AN AUTOMATIC ANGLE FOLLOW SYSTEM SE419906B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE7901055A SE419906B (en) 1979-02-07 1979-02-07 COUPLES IN AN AUTOMATIC ANGLE FOLLOW SYSTEM
DE8080850014T DE3065740D1 (en) 1979-02-07 1980-02-06 Mode coupler in an automatic angle tracking system
EP19800850014 EP0014692B1 (en) 1979-02-07 1980-02-06 Mode coupler in an automatic angle tracking system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7901055A SE419906B (en) 1979-02-07 1979-02-07 COUPLES IN AN AUTOMATIC ANGLE FOLLOW SYSTEM

Publications (2)

Publication Number Publication Date
SE7901055L true SE7901055L (en) 1980-08-08
SE419906B SE419906B (en) 1981-08-31

Family

ID=20337224

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7901055A SE419906B (en) 1979-02-07 1979-02-07 COUPLES IN AN AUTOMATIC ANGLE FOLLOW SYSTEM

Country Status (3)

Country Link
EP (1) EP0014692B1 (en)
DE (1) DE3065740D1 (en)
SE (1) SE419906B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4420756A (en) * 1981-01-19 1983-12-13 Trw Inc. Multi-mode tracking antenna feed system
GB2163909B (en) * 1984-08-29 1987-11-04 Era Patents Ltd Beacon tracking system
US6812807B2 (en) * 2002-05-30 2004-11-02 Harris Corporation Tracking feed for multi-band operation
EP1672739A1 (en) * 2004-12-14 2006-06-21 MDA Space Inc. High performance multimode horn for communications and tracking
FR2959611B1 (en) * 2010-04-30 2012-06-08 Thales Sa COMPRISING RADIANT ELEMENT WITH RESONANT CAVITIES.
WO2012172565A1 (en) 2011-06-14 2012-12-20 Indian Space Research Organisation Wideband waveguide turnstile junction based microwave coupler and monopulse tracking feed system
EP2815454A2 (en) * 2012-02-17 2014-12-24 Pro Brand International (Europe) Limited Multiband data signal receiving and/or transmitting apparatus
CN103094718B (en) * 2012-12-06 2015-05-27 北京遥测技术研究所 Ka frequency range miniaturization broadband multimode auto-tracking feed source network
CN116581550B (en) * 2023-07-11 2023-11-24 银河航天(西安)科技有限公司 Feed source assembly and feed source system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3566309A (en) * 1969-02-24 1971-02-23 Hughes Aircraft Co Dual frequency band,polarization diverse tracking feed system for a horn antenna
US3936838A (en) * 1974-05-16 1976-02-03 Rca Corporation Multimode coupling system including a funnel-shaped multimode coupler
FR2302601A1 (en) * 1975-02-28 1976-09-24 Thomson Csf EXTR DEVICE
GB1531553A (en) * 1976-04-20 1978-11-08 Marconi Co Ltd Mode couplers

Also Published As

Publication number Publication date
EP0014692A3 (en) 1980-09-17
DE3065740D1 (en) 1984-01-05
EP0014692B1 (en) 1983-11-30
SE419906B (en) 1981-08-31
EP0014692A2 (en) 1980-08-20

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