ES8704053A1 - Una antena para un sistema transmisor-receptor a modo de enlace en un satelite. - Google Patents

Una antena para un sistema transmisor-receptor a modo de enlace en un satelite.

Info

Publication number
ES8704053A1
ES8704053A1 ES545381A ES545381A ES8704053A1 ES 8704053 A1 ES8704053 A1 ES 8704053A1 ES 545381 A ES545381 A ES 545381A ES 545381 A ES545381 A ES 545381A ES 8704053 A1 ES8704053 A1 ES 8704053A1
Authority
ES
Spain
Prior art keywords
satelite
transmitter
receiver system
antenna
octofilar
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
ES545381A
Other languages
English (en)
Other versions
ES545381A0 (es
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of ES8704053A1 publication Critical patent/ES8704053A1/es
Publication of ES545381A0 publication Critical patent/ES545381A0/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
    • H01Q11/08—Helical antennas
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas

Landscapes

  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Radio Relay Systems (AREA)

Abstract

ANTENA PARA UN SISTEMA TRANSMISOR-RECEPTOR A MODO DE ENLACE EN UN SATELITE. COMPRENDE: CUATRO ELEMENTOS DE ANTENA TORCIDOS HACIA DELANTE (T16, T27, T38, T45) Y CUATRO TORCIDOS HACIA ATRAS (T18, T25, T36, T47) PARA CONSEGUIR UNA BUENA COBERTURA DEL LOBULO CON SEÑALES POLARIZADAS TANTO A LA DERECHA COMO A LA IZQUIERDA; Y DOS PARES DE BRAZOS CRUZADOS (A1, A2) (A3, A4) CON UNA SEPARACION MUTUA DADA, Y SITUADOS DE MODO QUE LOS PUNTOS EXTREMOS DE LOS BRAZOS DE CADA PAR ESTAN COLOCADOS SUSTANCIALMENTE ENFRENTE UNO DE OTRO, COMPRENDIENDO EL ELEMENTO DE ANTENA LOS ELEMENTOS (T16, T47) Y UN SEGUNDO ELEMENTO (T18) QUE CORRE DESDE EL PUNTO EXTREMO (K1) HASTA EL PUNTO EXTREMO (K4). TIENE APLICACIONES EN EL CAMPO DE LAS TELEOCMUNICACIONES.
ES545381A 1984-07-20 1985-07-19 Una antena para un sistema transmisor-receptor a modo de enlace en un satelite. Expired ES8704053A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8403812A SE443691B (sv) 1984-07-20 1984-07-20 Sendar-mottagarsystem i en satellit

Publications (2)

Publication Number Publication Date
ES8704053A1 true ES8704053A1 (es) 1987-03-01
ES545381A0 ES545381A0 (es) 1987-03-01

Family

ID=20356580

Family Applications (1)

Application Number Title Priority Date Filing Date
ES545381A Expired ES8704053A1 (es) 1984-07-20 1985-07-19 Una antena para un sistema transmisor-receptor a modo de enlace en un satelite.

Country Status (4)

Country Link
EP (1) EP0169823B1 (es)
DE (1) DE3563673D1 (es)
ES (1) ES8704053A1 (es)
SE (1) SE443691B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2597267B1 (fr) * 1986-04-15 1988-07-22 Alcatel Espace Antenne a haute efficacite
FR2654554B1 (fr) * 1989-11-10 1992-07-31 France Etat Antenne en helice, quadrifilaire, resonnante bicouche.
WO1996018220A1 (en) * 1994-12-06 1996-06-13 Deltec New Zealand Limited A helical antenna
US6025816A (en) * 1996-12-24 2000-02-15 Ericsson Inc. Antenna system for dual mode satellite/cellular portable phone
WO1999028989A1 (fr) * 1997-12-03 1999-06-10 Mitsubishi Denki Kabushiki Kaisha Dispositif antenne combine
JP3892129B2 (ja) * 1998-01-23 2007-03-14 松下電器産業株式会社 携帯無線機
GB0623774D0 (en) 2006-11-28 2007-01-10 Sarantel Ltd An Antenna Assembly Including a Dielectrically Loaded Antenna

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1129191B (de) * 1960-12-14 1962-05-10 Siemens Ag Richtantenne fuer sehr kurze elektromagnetische Wellen
US4011567A (en) * 1976-01-28 1977-03-08 Rca Corporation Circularly polarized, broadside firing, multihelical antenna

Also Published As

Publication number Publication date
SE8403812L (sv) 1986-01-21
SE8403812D0 (sv) 1984-07-20
EP0169823A1 (en) 1986-01-29
DE3563673D1 (en) 1988-08-11
EP0169823B1 (en) 1988-07-06
SE443691B (sv) 1986-03-03
ES545381A0 (es) 1987-03-01

Similar Documents

Publication Publication Date Title
TW344906B (en) Timepiece including a receiving and/or transmitting antenna for radio broadcast signals
AU1303288A (en) A low power multi-function cellular television system
WO1996028944A3 (en) A two-way paging system and apparatus
EP0687031A3 (es)
AU7170191A (en) Satellite based acknowledge-back paging system
NO970299L (no) Fremgangsmåte for sending av et pilotsignal, samt celledelt radiosystem
GB2101436B (en) Portable radio receiver with high antenna gain
EP0350007A3 (en) Diversity antenna communication system
TW366673B (en) Radio-station for mobile communication system and method to select a sending device
SE9601650D0 (sv) Antenn
AR020730A1 (es) Un metodo y una disposicion en un sistema de radio
EP1076377A3 (en) Satellite antenna pointing system
MY119263A (en) Improvements in or relating to antennas
ES8704053A1 (es) Una antena para un sistema transmisor-receptor a modo de enlace en un satelite.
WO1999009610A8 (fr) Antenne, et circuit de commutation de signaux
GB938962A (en) Diversity system
MX9602584A (es) Configuracion de disposicion de antena.
JPS6477230A (en) Indoor radio communication system
EP0921646A3 (en) Digital radio communication system with diversity reception
Keen et al. Techniques for the measurement of the cross-polarisation radiation patterns of linearly polarised, polarisation-diversity satellite ground-station antennas
DE3675669D1 (de) Antenne fuer satelliten-mobilfunk im l-band.
EP0261699A3 (en) Angular-diversity radiating system for tropospheric-scatter radio links
Robinson An electronically-steerable active receiving array for hf
JPS6467005A (en) Mobile communication base station antenna system
Gupta et al. Adaptive antenna arrays for satellite communications: Design and testing