EP1109245A2 - Antenne zur Abstrahlung und zum Empfang elektromagnetischer Wellen - Google Patents
Antenne zur Abstrahlung und zum Empfang elektromagnetischer Wellen Download PDFInfo
- Publication number
- EP1109245A2 EP1109245A2 EP00403190A EP00403190A EP1109245A2 EP 1109245 A2 EP1109245 A2 EP 1109245A2 EP 00403190 A EP00403190 A EP 00403190A EP 00403190 A EP00403190 A EP 00403190A EP 1109245 A2 EP1109245 A2 EP 1109245A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- waveguide
- section
- polarization switch
- reflector
- antenna
- 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.)
- Withdrawn
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Classifications
-
- 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
- H01Q13/0258—Orthomode horns
-
- 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
- H01P1/161—Auxiliary devices for mode selection, e.g. mode suppression or mode promotion; for mode conversion sustaining two independent orthogonal modes, e.g. orthomode transducer
Definitions
- the invention relates to an antenna for radiation and reception electromagnetic waves, consisting of a parabolic reflector and an as Subreflector trained exciter, which is at the focal point of the reflector at the end of a is attached through the center of the same guided waveguide, in which on the Rear of the reflector contains a radio box containing electrical and electronic components is connected to the waveguide with a transmitting and receiving device is connected (DE 197 25 047 A1).
- Such antennas are also called “Cassegrain” antennas because of the sub-reflector designated. They are used, for example, for mobile radio. Antennas after the DE 197 25 047 A1 mentioned at the outset are structurally relatively simple since the spotlight serving as an "exciter” with a subreflector attached from the center to the reflector Waveguide is worn. The waveguide protrudes through the reflector. On whose A radio box is attached to the back, which is connected to the waveguide. Of the Radiobox leads a coaxial radio frequency cable to a transmit and Receiving device. In the radio box are electrical and electronic components as well a transmission path for the electromagnetic waves housed. This known antenna is for transmitting a linearly polarized wave of a frequency or a frequency band.
- the invention has for its object the antenna described above to further that their transmission capacity without significant changes in their Construction can be enlarged.
- the antenna By installing the polarization switch, the antenna can be used without any basic Modification of their structure for the transmission of two separate electromagnetic Shafts are used.
- the transmission capacity of the antenna is therefore up easily doubled. It can even be small in its dimensions
- Polarization switch arranged instead of a conventional simple waveguide section be so that the radio box remain unchanged except for an adapted "inner life" can. None needs to be changed for their mounting on the reflector of the antenna.
- the polarization switch thus replaces a previously used waveguide section Connection to the waveguide of the antenna.
- the connection of the radio box to the Polarization switch is also very simple, since the two inputs of the same in one Level.
- the decoupling of the two linearly polarized waves is simple Way ensured that the major axes of the two inputs of the Polarization switch run perpendicular to each other.
- a parabolic reflector 2 is on a mast 1, which is only indicated in sections an antenna for the transmission of electromagnetic waves.
- Central in Reflector 2 is attached to an electromagnetic waveguide 3, at the end of which Focal point of the antenna is an exciter 4 designed as a sub-reflector.
- On the back of the reflector 1 is a fastener 5, via which the same can be attached to the mast 1.
- a radio box 6 is arranged, on the one hand with the waveguide 3 and on the other hand, is connected to a coaxial cable 7, which to a not shown Transmitter and receiver for high-frequency signals leads.
- a waveguide could also be used.
- the radio box 6 contains electrical and electronic components, such as for example converters and other adaptation elements. Between the radio box 6 and the waveguide 3 is one located within the fastening element 5 Polarization switch 8 attached, the more precise structure of which is shown in FIGS. 3 to 5 emerges.
- the polarization switch 8 has two waveguide sections 9 and 10, of which the Waveguide path 9 is rectilinear. It runs between a first entrance E1 of the polarization switch 8 and an output A of the same.
- the other Waveguide section 10 has a 90 ° curve. It starts on a second Input E2 of the polarization switch 8 and opens with an aperture B in the course of rectilinear waveguide path 9 in the same.
- a short-circuit element 11 in the straight line Waveguide path 9 attached in the illustrated embodiment from three pins consists. It is intended to prevent the supply via the waveguide section 10 or in the same wave to be fed propagates in the wrong direction.
- the Polarization switch 8 is connected with its output A to the waveguide 3.
- the straight waveguide section 9 has one circular clear cross section. But it could also be square or one have another suitable clear cross-section.
- the waveguide section 10 is in preferred embodiment, a rectangular clear cross section is provided. You could but also be elliptical or have another suitable clear cross section.
- the clear cross sections of the two inputs E1 and E2 are essentially rectangular. Their corners can be rounded.
- the short-circuit element 11 can also consist of a Metal strips exist.
- the polarization switch 8 is expediently made of two parts to be connected to one another produced, in each of which part of the waveguide paths 9 and 10 is incorporated, for example by milling.
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
Description
- daß zwischen der Radiobox und dem Hohlleiter eine Polarisationsweiche zur simultanen Übertragung zweier orthogonal aufeinander stehender, linear polarisierter Wellen angebracht ist, die einen ersten und einen zweiten Eingang mit im wesentlichen rechteckigem lichtem Querschnitt sowie einen an den Hohlleiter anschließbaren Ausgang hat,
- daß in der Polarisationsweiche zwei Hohlleiterstrecken vorhanden sind, von denen die eine geradlinig zwischen dem ersten Eingang und dem Ausgang der Polarisationsweiche verläuft, während die andere mit um 90° gebogenem Verlauf am zweiten Eingang der Polarisationsweiche beginnend im Verlauf der geradlinigen Hohlleiterstrecke in dieselbe einmündet und
- daß die geradlinige Hohlleiterstrecke im Eingangsbereich um 90° gedreht ist, so daß die großen Achsen der beiden in der gleichen Ebene liegenden Eingänge der Polarisationsweiche rechtwinklig zueinander angeordnet sind.
Claims (5)
- Antenne zur Abstrahlung und zum Empfang elektromagnetischer Wellen, bestehend aus einem parabolischen Reflektor und einem als Subreflektor ausgebildeten Erreger, der im Brennpunkt des Reflektors am Ende eines durch das Zentrum desselben geführten Hohlleiters angebracht ist, bei welcher auf der Rückseite des Reflektors eine elektrische und elektronische Bauteile enthaltende Radiobox an den Hohlleiter angeschlossen ist, die mit einer Sende- und Empfangseinrichtung verbunden ist, dadurch gekennzeichnet,daß zwischen der Radiobox (6) und dem Hohlleiter (3) eine Polarisationsweiche (8) zur simultanen Übertragung zweier orthogonal aufeinander stehender, linear polarisierter Wellen angebracht ist, die einen ersten und einen zweiten Eingang (E1,E2) mit im wesentlichen rechteckigem lichtem Querschnitt sowie einen an den Hohlleiter (3) anschließbaren Ausgang (A) hat,daß in der Polarisationsweiche (8) zwei Hohlleiterstrecken (9,10) vorhanden sind, von denen die eine geradlinig zwischen dem ersten Eingang (E1) und dem Ausgang (A) der Polarisationsweiche (8) verläuft, während die andere mit um 90° gebogenem Verlauf am zweiten Eingang (E2) der Polarisationsweiche (8) beginnend im Verlauf der geradlinigen Hohlleiterstrecke (9) in dieselbe mündet unddaß die geradlinige Hohlleiterstrecke (9) im Eingangsbereich um 90° gedreht ist, so daß die großen Achsen der beiden in der gleichen Ebene liegenden Eingänge (E1,E2) der Polarisationsweiche (8) rechtwinklig zueinander angeordnet sind.
- Antenne nach Anspruch 1, dadurch gekennzeichnet, daß die gebogene Hohlleiterstrecke (10) über eine Blende (B) an die geradlinige Hohlleiterstrecke (9) angeschlossen ist.
- Antenne nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß zwischen der Blende (B) und dem Eingang (E1) der geradlinigen Hohlleiterstrecke (9) mindestens ein Kurzschlußelement (11) angebracht ist.
- Antenne nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die gebogene Hohlleiterstrecke (10) einen rechteckigen lichten Querschnitt hat.
- Antenne nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die geradlinige Hohlleiterstrecke (9) einen kreisrunden lichten Querschnitt hat.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19961237A DE19961237A1 (de) | 1999-12-18 | 1999-12-18 | Antenne zur Abstrahlung und zum Empfang elektromagnetischer Wellen |
DE19961237 | 1999-12-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1109245A2 true EP1109245A2 (de) | 2001-06-20 |
EP1109245A3 EP1109245A3 (de) | 2002-09-04 |
Family
ID=7933267
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00403190A Withdrawn EP1109245A3 (de) | 1999-12-18 | 2000-11-16 | Antenne zur Abstrahlung und zum Empfang elektromagnetischer Wellen |
Country Status (5)
Country | Link |
---|---|
US (1) | US6384796B1 (de) |
EP (1) | EP1109245A3 (de) |
AU (1) | AU5662700A (de) |
BR (1) | BR0005897A (de) |
DE (1) | DE19961237A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003058755A1 (en) * | 2001-12-21 | 2003-07-17 | The Boeing Company | Antenna arrangement with rf components mounted to the back surface of a reflector element |
EP1394892A1 (de) * | 2002-03-20 | 2004-03-03 | Mitsubishi Denki Kabushiki Kaisha | Ortho-modus-wandler des wellenleitertyps |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2434922A (en) * | 2006-02-03 | 2007-08-08 | Ericsson Telefon Ab L M | Ortho-mode transducer connecting two rectangular waveguides to a common circular waveguide |
US8077103B1 (en) | 2007-07-07 | 2011-12-13 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Cup waveguide antenna with integrated polarizer and OMT |
CN103633449B (zh) | 2010-03-12 | 2016-05-25 | 康普技术有限责任公司 | 双极化的反射器天线组件 |
TWI496346B (zh) | 2011-12-30 | 2015-08-11 | Ind Tech Res Inst | 介質天線以及天線模組 |
US8855449B1 (en) * | 2013-08-13 | 2014-10-07 | Aurrion, Inc. | Adiabatic waveguide polarization converter |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3822981A1 (de) * | 1988-07-07 | 1988-12-22 | Kathrein Werke Kg | Hohlleiter-polarisationsweiche |
JPH03165101A (ja) * | 1989-11-22 | 1991-07-17 | Nec Corp | 偏分波器 |
EP0905813A2 (de) * | 1997-09-24 | 1999-03-31 | Alcatel | Polarisationsweiche zur Ausleuchtung einer Antenne |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1155664B (it) * | 1982-03-25 | 1987-01-28 | Sip | Dispositivo di guida d onda per la separazione di segnali a radiofrequenza di diversa frequenza e polarizzazione |
DE3439414A1 (de) * | 1984-10-27 | 1986-04-30 | kabelmetal electro GmbH, 3000 Hannover | Antennenerreger fuer mindestens zwei unterschiedliche frequenzbaender |
DE3439416A1 (de) * | 1984-10-27 | 1986-04-30 | kabelmetal electro GmbH, 3000 Hannover | Antennenerreger |
DE3439413A1 (de) * | 1984-10-27 | 1986-04-30 | kabelmetal electro GmbH, 3000 Hannover | Antennenerreger fuer mindestens zwei unterschiedliche frequenzbaender |
US4920351A (en) * | 1986-03-24 | 1990-04-24 | Computer Science Inovations, Inc. | Diplexer for orthogonally polarized transmit/receive signalling on common frequency |
DE3634772A1 (de) * | 1986-09-08 | 1988-03-17 | Kabelmetal Electro Gmbh | Antennenerreger fuer mindestens zwei unterschiedliche frequenzbaender |
US5258768A (en) * | 1990-07-26 | 1993-11-02 | Space Systems/Loral, Inc. | Dual band frequency reuse antenna |
US5162808A (en) * | 1990-12-18 | 1992-11-10 | Prodelin Corporation | Antenna feed with selectable relative polarization |
US5216433A (en) * | 1991-11-15 | 1993-06-01 | Hughes Aircraft Company | Polarimetric antenna |
DE4425048C2 (de) * | 1994-07-15 | 1997-04-24 | Siemens Ag | Richtfunkantennen-Speisesystem |
US5784033A (en) * | 1996-06-07 | 1998-07-21 | Hughes Electronics Corporation | Plural frequency antenna feed |
DE19725047A1 (de) * | 1996-07-03 | 1998-01-08 | Alsthom Cge Alcatel | Erregersystem für eine Antenne mit einem parabelförmig gebogenen Reflektor und einem dielektrischen Strahler |
US5923229A (en) * | 1997-09-12 | 1999-07-13 | Wytec, Inc. | Simultaneous polarization and frequency filtering of transmitter and receiver signals in single antenna systems |
US6060961A (en) * | 1998-02-13 | 2000-05-09 | Prodelin Corporation | Co-polarized diplexer |
-
1999
- 1999-12-18 DE DE19961237A patent/DE19961237A1/de not_active Withdrawn
-
2000
- 2000-09-11 AU AU56627/00A patent/AU5662700A/en not_active Abandoned
- 2000-11-16 EP EP00403190A patent/EP1109245A3/de not_active Withdrawn
- 2000-12-15 BR BR0005897-1A patent/BR0005897A/pt not_active Application Discontinuation
- 2000-12-15 US US09/736,296 patent/US6384796B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3822981A1 (de) * | 1988-07-07 | 1988-12-22 | Kathrein Werke Kg | Hohlleiter-polarisationsweiche |
JPH03165101A (ja) * | 1989-11-22 | 1991-07-17 | Nec Corp | 偏分波器 |
EP0905813A2 (de) * | 1997-09-24 | 1999-03-31 | Alcatel | Polarisationsweiche zur Ausleuchtung einer Antenne |
Non-Patent Citations (2)
Title |
---|
JUNGK K: "DAS SPEISESYSTEM" FUNKSCHAU, FRANZIS-VERLAG K.G. MUNCHEN, DE, Bd. 67, Nr. 7, 17. M{rz 1995 (1995-03-17), Seiten 71-72, XP000498129 ISSN: 0016-2841 * |
PATENT ABSTRACTS OF JAPAN vol. 015, no. 405 (E-1122), 16. Oktober 1991 (1991-10-16) -& JP 03 165101 A (NEC CORP), 17. Juli 1991 (1991-07-17) * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003058755A1 (en) * | 2001-12-21 | 2003-07-17 | The Boeing Company | Antenna arrangement with rf components mounted to the back surface of a reflector element |
EP1394892A1 (de) * | 2002-03-20 | 2004-03-03 | Mitsubishi Denki Kabushiki Kaisha | Ortho-modus-wandler des wellenleitertyps |
EP1394892A4 (de) * | 2002-03-20 | 2004-05-26 | Mitsubishi Electric Corp | Ortho-modus-wandler des wellenleitertyps |
US7019603B2 (en) | 2002-03-20 | 2006-03-28 | Mitsubishi Denki Kabushiki Kaisha | Waveguide type ortho mode transducer |
Also Published As
Publication number | Publication date |
---|---|
US6384796B1 (en) | 2002-05-07 |
EP1109245A3 (de) | 2002-09-04 |
DE19961237A1 (de) | 2001-06-21 |
BR0005897A (pt) | 2001-07-17 |
AU5662700A (en) | 2001-06-21 |
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