EP2226895A3 - Antenna for receiving satellite radio signals emitted circularly in a polarisation direction - Google Patents

Antenna for receiving satellite radio signals emitted circularly in a polarisation direction Download PDF

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Publication number
EP2226895A3
EP2226895A3 EP10001881A EP10001881A EP2226895A3 EP 2226895 A3 EP2226895 A3 EP 2226895A3 EP 10001881 A EP10001881 A EP 10001881A EP 10001881 A EP10001881 A EP 10001881A EP 2226895 A3 EP2226895 A3 EP 2226895A3
Authority
EP
European Patent Office
Prior art keywords
antenna
loop antenna
loop
polarization
connection point
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.)
Granted
Application number
EP10001881A
Other languages
German (de)
French (fr)
Other versions
EP2226895B1 (en
EP2226895A2 (en
Inventor
Stefan Lindenmeier
Heinz Lindenmeier
Jochen Hopf
Leopold Reiter
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.)
Delphi Delco Electronics Europe GmbH
Original Assignee
Delphi Delco Electronics Europe 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 Delphi Delco Electronics Europe GmbH filed Critical Delphi Delco Electronics Europe GmbH
Publication of EP2226895A2 publication Critical patent/EP2226895A2/en
Publication of EP2226895A3 publication Critical patent/EP2226895A3/en
Application granted granted Critical
Publication of EP2226895B1 publication Critical patent/EP2226895B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/29—Combinations of different interacting antenna units for giving a desired directional characteristic
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element
    • 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
    • H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
    • H01Q9/32—Vertical arrangement of element
    • H01Q9/36—Vertical arrangement of element with top loading

Abstract

Die Erfindung betrifft eine Antenne für den Empfang zirkular in einer Drehrichtung der Polarisation ausgestrahlter Satellitenfunksignale umfassend wenigstens zwei mit einem Antennenanschluss (28) verbundene, jeweils in einer Raumrichtung linear polarisierte und über ein Anpass- und Phasenschieber-Netzwerk (25, 23) verbundene Strahler. Einer der Strahler ist als Schleifenantenne (14) im Wesentlichen in einer horizontalen Ebene parallel über einer im Wesentlichen horizontal orientierten leitenden Grundfläche (6) angeordneten Leiterschleife gebildet. Die Leiterschleife weist für ihre elektrisch wirksame Verkürzung wenigstens eine durch eine Kapazität (16) überbrückte Unterbrechung, insbesondere mehrere im Abstand voneinander angeordnete, durch Kapazitäten (16) überbrückte Unterbrechungen auf. Im Zusammenwirken mit der wenigstens einen Unterbrechung der Leiterschleife ist eine Schleifenantennen-Anschlussstelle (3) der Schleifenantenne (14) zur Einspeisung eines Ringstromes auf der Schleifenantenne (14) gebildet. Der mindestens eine weitere Strahler (7) mit seiner Strahleranschlussstelle (2) sowie die Schleifenantennen-Anschlussstelle (3) der Schleifenantenne (14) sind über ein Anpass- und Phasenschiebernetzwerk (25, 23) verbunden, welches so ausgebildet ist, dass bei reziprokem Betrieb der Antenne die Strahlungsfelder der Schleifenantenne (14) und des mindestens einen weiteren Strahlers (7) im Fernfeld der Antenne mit unterschiedlichen Phasen überlagert sind. Der mindestens eine der weiteren Strahler (7) weist eine im wesentlichen senkrecht zur Polarisation der Schleifenantenne (14) orientierte Polarisation und eine im wesentlichen orthogonale Phase im Fernfeld auf.

Figure imgaf001
The invention relates to an antenna for receiving circularly in a direction of rotation of the polarization of radiated satellite radio signals comprising at least two with an antenna terminal (28) connected, each in a spatial direction linearly polarized and a fitting and phase shifter network (25, 23) connected emitter. One of the radiators is formed as a loop antenna (14) substantially in a horizontal plane parallel over a substantially horizontally oriented conductive base (6) arranged conductor loop. The conductor loop has, for its electrically effective shortening, at least one interruption bridged by a capacitance (16), in particular a plurality of interrupts which are arranged at a distance and bridged by capacitances (16). In cooperation with the at least one interruption of the conductor loop, a loop antenna connection point (3) of the loop antenna (14) for feeding in a ring current is formed on the loop antenna (14). The at least one further radiator (7) with its radiator connection point (2) and the loop antenna connection point (3) of the loop antenna (14) are connected via a matching and phase shifting network (25, 23), which is designed such that in reciprocal operation the antenna, the radiation fields of the loop antenna (14) and the at least one further radiator (7) are superimposed in the far field of the antenna with different phases. The at least one of the further radiators (7) has a substantially perpendicular to the polarization of the loop antenna (14) oriented polarization and a substantially orthogonal phase in the far field.
Figure imgaf001
EP10001881.1A 2009-03-03 2010-02-24 Antenna for receiving satellite radio signals emitted circularly in a polarisation direction Active EP2226895B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009011542A DE102009011542A1 (en) 2009-03-03 2009-03-03 Antenna for receiving circularly in a direction of rotation of the polarization of broadcast satellite radio signals

Publications (3)

Publication Number Publication Date
EP2226895A2 EP2226895A2 (en) 2010-09-08
EP2226895A3 true EP2226895A3 (en) 2010-12-15
EP2226895B1 EP2226895B1 (en) 2013-04-10

Family

ID=42245979

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10001881.1A Active EP2226895B1 (en) 2009-03-03 2010-02-24 Antenna for receiving satellite radio signals emitted circularly in a polarisation direction

Country Status (3)

Country Link
US (1) US8537063B2 (en)
EP (1) EP2226895B1 (en)
DE (1) DE102009011542A1 (en)

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DE102009011542A1 (en) 2010-09-09
US20100253587A1 (en) 2010-10-07
EP2226895A2 (en) 2010-09-08
US8537063B2 (en) 2013-09-17

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