FI121519B - Antenn med varierbart strålningsdiagram - Google Patents

Antenn med varierbart strålningsdiagram Download PDF

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Publication number
FI121519B
FI121519B FI20020674A FI20020674A FI121519B FI 121519 B FI121519 B FI 121519B FI 20020674 A FI20020674 A FI 20020674A FI 20020674 A FI20020674 A FI 20020674A FI 121519 B FI121519 B FI 121519B
Authority
FI
Finland
Prior art keywords
antenna
point
conductor
radio device
pattern
Prior art date
Application number
FI20020674A
Other languages
English (en)
Finnish (fi)
Other versions
FI20020674A (sv
FI20020674A0 (sv
Inventor
Seppo Ojantakanen
Timo Leppaeluoto
Original Assignee
Pulse Finland Oy
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 Pulse Finland Oy filed Critical Pulse Finland Oy
Priority to FI20020674A priority Critical patent/FI121519B/sv
Publication of FI20020674A0 publication Critical patent/FI20020674A0/sv
Priority to DE60313390T priority patent/DE60313390T2/de
Priority to EP03396030A priority patent/EP1353401B1/en
Priority to AT03396030T priority patent/ATE360898T1/de
Priority to US10/408,048 priority patent/US6967618B2/en
Priority to CNB031103413A priority patent/CN100346530C/zh
Publication of FI20020674A publication Critical patent/FI20020674A/sv
Application granted granted Critical
Publication of FI121519B publication Critical patent/FI121519B/sv

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • H01Q1/245—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with means for shaping the antenna pattern, e.g. in order to protect user against rf exposure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
    • 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
    • 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
    • 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
    • H01Q19/005—Patch antenna using one or more coplanar parasitic elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Aerials With Secondary Devices (AREA)

Claims (9)

1. Av sitt riktningsdiagram formbar antenn av en radioanordning, vilken antenn innefattar ett strälande element (220; 320; 420), dess matarledning (225; 325; 425), som ansluts i radioanordningen i antennens inmatningspunkt (F), och minst ett le-darelement, för ändring av antennens riktningsdiagram, vilket ledarelement är kopp-lat i radioanordningens signaljord (GND) i en jordningspunkt (G; Gl; G2) och som 15 riktar i väsentligt motsatt riktning i förhällande tili inmatningsriktning av strälande elementet frän jordningspunkten, inmatningsriktningen sett i geometrisk pian av ledarelementet och inmatningspunkten, kännetecknad av att var och en av nämnda minst ett ledarelement är ett band (230; 330, 340; 431, 432) pä ytan av radioanordningens kretskort (210; 310; 410), och distans mellan den nämnda jord-20 ningspunkten (G; Gl, G2) och antennens inmatningspunkt (F) är mindre än en tion-dedel av väglängden, som motsvarar funktionsfrekvensen, för att jämna ut antennens riktningsdiagram pä frekvenser av radioanordningens mottagningsband.
2. Antenn i enlighet med patentkrav 1, kännetecknad av att det nämnda bandet (230; 330; 340) sträcker sig frän jordningspunkten (G; Gl; G2) i väsentligt motsatt 25 riktning i förhällande tili strälande elementets (220; 320) inmatningsriktning, en sträcka, som är väsentligt lika läng som en kvartväg pä antennens funktions-frekvens.
3. Antenn i enlighet med patentkrav 1, kännetecknad av att det nämnda ledarelementet (230; 330) har en andra del (232; 332), som riktar sig frän jordnings- 30 punkten (G; Gl) väsentligt i inmatningsriktningen av strälande elementet, för ändring av riktningsvinkel av antennens riktningsdiagramms minimum, pä frekvenser av radioanordningens avsändningsband, dä den andra delen är väsentligt kortare än längden av en kvartväg pä antennens fimktionsfrekvens.
4. Antenn i enlighet med patentkrav 4, kännetecknad av att den nämnda rikt-ningsvinkeln motsvarar, efter dess ändring, position av huvud av radioanordningens användare i radioanordningens normal användningsposition.
5. Antenn i enlighet med patentkrav 1, kännetecknad av att antalet nämnda le-5 darelement är tvä.
6. Antenn i enlighet med patentkrav 1, kännetecknad av att det andra (330) av nämnda ledarelement har en första del (331), som riktar sig i väsentligt motsatt rikt-ning i förhällande till strälande elementets inmatningsriktning frän jordnings-punkten (Gl) och en andra del (332), som riktar sig väsentligt i strälande elementets 10 inmatningsriktning frän jordningspunkten (G 1).
7. Antenn i enlighet med patentkrav 1, kännetecknad av att det strälande ele-mentet är en helix-ledare (220; 320).
8. Antenn i enlighet med patentkrav 1, kännetecknad av att det strälande ele-mentet är ett planelement (420), och antennen ytterligare innefattar ett jordplan 15 (415) sä att antennen är av PIFA-typ.
9. Radioanordning (RA), som innefattar en antenn (620, 630) i enlighet med patentkrav 1.
FI20020674A 2002-04-09 2002-04-09 Antenn med varierbart strålningsdiagram FI121519B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20020674A FI121519B (sv) 2002-04-09 2002-04-09 Antenn med varierbart strålningsdiagram
DE60313390T DE60313390T2 (de) 2002-04-09 2003-03-31 Antenne mit variabler Richtcharakteristik
EP03396030A EP1353401B1 (en) 2002-04-09 2003-03-31 Antenna with variable directivity pattern
AT03396030T ATE360898T1 (de) 2002-04-09 2003-03-31 Antenne mit variabler richtcharakteristik
US10/408,048 US6967618B2 (en) 2002-04-09 2003-04-04 Antenna with variable directional pattern
CNB031103413A CN100346530C (zh) 2002-04-09 2003-04-09 带有可变的方向性图案的天线

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20020674A FI121519B (sv) 2002-04-09 2002-04-09 Antenn med varierbart strålningsdiagram
FI20020674 2002-04-09

Publications (3)

Publication Number Publication Date
FI20020674A0 FI20020674A0 (sv) 2002-04-09
FI20020674A FI20020674A (sv) 2003-10-10
FI121519B true FI121519B (sv) 2010-12-15

Family

ID=8563724

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20020674A FI121519B (sv) 2002-04-09 2002-04-09 Antenn med varierbart strålningsdiagram

Country Status (6)

Country Link
US (1) US6967618B2 (sv)
EP (1) EP1353401B1 (sv)
CN (1) CN100346530C (sv)
AT (1) ATE360898T1 (sv)
DE (1) DE60313390T2 (sv)
FI (1) FI121519B (sv)

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Also Published As

Publication number Publication date
CN100346530C (zh) 2007-10-31
DE60313390D1 (de) 2007-06-06
CN1450686A (zh) 2003-10-22
FI20020674A (sv) 2003-10-10
EP1353401B1 (en) 2007-04-25
US20030189523A1 (en) 2003-10-09
EP1353401A1 (en) 2003-10-15
US6967618B2 (en) 2005-11-22
DE60313390T2 (de) 2008-01-03
FI20020674A0 (sv) 2002-04-09
ATE360898T1 (de) 2007-05-15

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