FI87957B - Dipolmatare foer antenn - Google Patents

Dipolmatare foer antenn Download PDF

Info

Publication number
FI87957B
FI87957B FI884753A FI884753A FI87957B FI 87957 B FI87957 B FI 87957B FI 884753 A FI884753 A FI 884753A FI 884753 A FI884753 A FI 884753A FI 87957 B FI87957 B FI 87957B
Authority
FI
Finland
Prior art keywords
dipole
conductor
metal pieces
reflector
outer conductor
Prior art date
Application number
FI884753A
Other languages
English (en)
Finnish (fi)
Other versions
FI884753A (fi
FI87957C (sv
FI884753A0 (fi
Inventor
Reimer Nagel
Ralf Wendel
Original Assignee
Kabelmetal Electro Gmbh
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 Kabelmetal Electro Gmbh filed Critical Kabelmetal Electro Gmbh
Publication of FI884753A0 publication Critical patent/FI884753A0/fi
Publication of FI884753A publication Critical patent/FI884753A/fi
Publication of FI87957B publication Critical patent/FI87957B/fi
Application granted granted Critical
Publication of FI87957C publication Critical patent/FI87957C/sv

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
    • H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
    • 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
    • H01Q19/10—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 using reflecting surfaces
    • H01Q19/12—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 using reflecting surfaces wherein the surfaces are concave
    • H01Q19/13—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 using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • 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
    • H01Q19/10—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 using reflecting surfaces
    • H01Q19/12—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 using reflecting surfaces wherein the surfaces are concave
    • H01Q19/13—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 using reflecting surfaces wherein the surfaces are concave the primary radiating source being a single radiating element, e.g. a dipole, a slot, a waveguide termination
    • H01Q19/134—Rear-feeds; Splash plate feeds
    • H01Q19/136—Rear-feeds; Splash plate feeds cross-polarised

Landscapes

  • Aerials With Secondary Devices (AREA)

Claims (6)

1. Dipolmatare för en för överföring av elektromag-netiska vägor med parabolisk reflektor försedd antenn, 5 vilken omfattar en styv koaxialledning (4), vilken i ena ändan är fäst vid reflektorn och innehäller en inre ledare (5), en denna koncentriskt omgivande yttre ledare (6) och en mellan dessa ledare placerad isolering, varvid det tili den yttre ledaren i koaxialledningens (4) fria, ungefär i 10 reflektorns brännpunkt belägna ända, har elektriskt ledan-de anslutits en dipol, varvid i omr&det för dipolen pä den yttre ledaren har utformats tvä diametralt motsatta sprin-gor och den inre och yttre ledaren har inom omrädet för dessa springor kortslutits i omkretsriktningen pä ett 15 snävt begränsat ställe, kännetecknad därav, att - den nämnda dipolen omfattar tvä pä den yttre le daren (6) diametralt motsatt varandra monterade, paral-lellt gäende släta metallstycken (10, 11), vilkas vägg- 20 tjocklek är liten i jämförelse med deras övriga dimen-sioner; och - att dessa bägge metallstycken (10, 11) har fästs pk sädant sätt vid den yttre ledaren (6), att deras huvud-dimensioner sträcker sig tangentiellt i förhällande tili 25 koaxialledningen (4).
2. Dipolmatare enligt patentkravet 1, kännetecknad därav, att metallstyckena (10, 11) har utformats som skivor.
3. Dipolmatare enligt patentkravet 1, k ä n n e - • 30 t e c k n a d därav, att metallstyckena (10, 11) har ut formats som remsor.
4. Dipolmatare enligt nägot av patentkraven 1-3, kännetecknad därav, att det vid koaxialledningen (4) fria ända har applicerats en vid metallstyckena •:·"3 5 (10, 11) fästande stomme (15), som pä sin sida som vetter 9 β 7 957 mot reflektorn (1) är försedd med en rund öppning.
5. Dipolmatare enligt n&got av patentkraven 1-4, kännetecknad därav, att stommens (15) öppning är tillsluten med en ringskiva (16) av isoleringsmaterial. 5
6. Dipolmatare enligt nägot av patentkraven 1-4, kännetecknad därav, att det vid koaxialled-ningens (4) fria ända har applicerats en skyddsskiva (14) av metall.
FI884753A 1987-10-17 1988-10-14 Dipolmatare för antenn FI87957C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3735226 1987-10-17
DE19873735226 DE3735226A1 (de) 1987-10-17 1987-10-17 Dipolerreger fuer eine antenne

Publications (4)

Publication Number Publication Date
FI884753A0 FI884753A0 (fi) 1988-10-14
FI884753A FI884753A (fi) 1989-04-18
FI87957B true FI87957B (fi) 1992-11-30
FI87957C FI87957C (sv) 1993-03-10

Family

ID=6338562

Family Applications (1)

Application Number Title Priority Date Filing Date
FI884753A FI87957C (sv) 1987-10-17 1988-10-14 Dipolmatare för antenn

Country Status (7)

Country Link
US (1) US4855750A (sv)
BR (1) BR8805316A (sv)
DE (1) DE3735226A1 (sv)
FI (1) FI87957C (sv)
FR (1) FR2621422B1 (sv)
GB (1) GB2211358B (sv)
IT (1) IT1224775B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2572072C1 (ru) * 2014-10-22 2015-12-27 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" Вибраторная антенна

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2611867A (en) * 1946-08-31 1952-09-23 Alford Andrew Slotted winged cylindrical antenna
US2954556A (en) * 1956-10-10 1960-09-27 Andrew Corp Cross polarized dual feed
US3192528A (en) * 1961-12-21 1965-06-29 Technical Appliance Corp Parabolic antenna with splash plate and v-shaped dipole feed for pattern uniformity
DE1541598C3 (de) * 1966-09-30 1974-10-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Richtantenne, bestehend aus einem Spiegel und einem Dipolerregersystem
US3524190A (en) * 1967-11-20 1970-08-11 Ryan Aeronautical Co Extendable radio frequency transmission line and antenna structure
US3975733A (en) * 1974-11-22 1976-08-17 Bogner Richard D Transmitting antenna employing radial fins
US4129871A (en) * 1977-09-12 1978-12-12 Rca Corporation Circularly polarized antenna using slotted cylinder and conductive rods
JPS5497350A (en) * 1978-01-19 1979-08-01 Mitsubishi Electric Corp Primary radiator of rear feed type
US4301457A (en) * 1978-09-01 1981-11-17 Bogner Richard D Antenna employing curved parasitic end-fire directors

Also Published As

Publication number Publication date
IT1224775B (it) 1990-10-18
BR8805316A (pt) 1989-05-30
GB2211358A (en) 1989-06-28
FR2621422A1 (fr) 1989-04-07
FR2621422B1 (fr) 1991-12-06
DE3735226C2 (sv) 1991-08-08
FI884753A (fi) 1989-04-18
US4855750A (en) 1989-08-08
DE3735226A1 (de) 1989-04-27
FI87957C (sv) 1993-03-10
IT8848461A0 (it) 1988-10-14
GB2211358B (en) 1991-12-04
GB8824105D0 (en) 1988-11-23
FI884753A0 (fi) 1988-10-14

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: KABELMETEL ELECTRO