EP2676327A1 - Gruppenantenne - Google Patents
GruppenantenneInfo
- Publication number
- EP2676327A1 EP2676327A1 EP12702554.2A EP12702554A EP2676327A1 EP 2676327 A1 EP2676327 A1 EP 2676327A1 EP 12702554 A EP12702554 A EP 12702554A EP 2676327 A1 EP2676327 A1 EP 2676327A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- cruppenantenne
- antenna
- openings
- operatively connected
- 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
Links
- 239000000463 material Substances 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 238000005476 soldering Methods 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000004026 adhesive bonding Methods 0.000 claims description 4
- 229920002430 Fibre-reinforced plastic Polymers 0.000 claims description 3
- 239000011151 fibre-reinforced plastic Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000005284 excitation Effects 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 240000006829 Ficus sundaica Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000009304 pastoral farming Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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
- H01Q13/10—Resonant slot antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0087—Apparatus or processes specially adapted for manufacturing antenna arrays
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
- H01Q21/061—Two dimensional planar arrays
- H01Q21/064—Two dimensional planar arrays using horn or slot aerials
Definitions
- the present invention relates to an antenna, in particular a Cru ppenantenne according to the preamble of u nplien patent claim.
- Cru peneantennen are known from the prior art. These are used for directed emission and reception of electromagnetic waves.
- US6861 996 of Microface Co., Ltd. was first published in 2002 and deals with a waveguide slot antenna with a three-layer structure, which should have a strong directional characteristic and a high antenna gain.
- the three plates, which form the individual layers, are made of plastic and then coated with metal, so that the surfaces are electrically conductive. Alternatively, the individual plates can be made of metal.
- the waveguide slot antenna has an outer first plate which on the upper side comprises a first half of a manifold structure.
- the second panel also has standard openers.
- the backward integrated distribution module ms in the second plate due to the backward integrated distribution module ms in the second plate, this has a strong rupture.
- the third top plate also has a strong rupture due to the openings required for blasting.
- the parts of the antenna are comparatively difficult to produce with the required tolerances.
- US3950204 of Texas Instruments I nc. was 1 973 pu bli conclusion and deals with a method to m Connecting two metallic surfaces with good electrical conductivity, eg of plate antennas.
- the method is used as an alternative to m dip soldering. because it can be done at much lower temperatures.
- the exemplary plate antenna has a two-layer structure made of metal.
- CB2247990 from British Satellite Broadcasting was first published in 1990 and deals with a two-layered structure with a lower and an upper plate.
- the upper plate has recesses which serve as horns.
- the lower plate has a distributor tree, which serve for signal distribution to the horns.
- the two plates are joined together by soldering or welding.
- a disadvantage is that the plates have a complicated, also very jagged structure.
- CN2739818Y by Bejing Yijia Yingye Information Engineering Co. was published in 2005 and describes a planar antenna with high antenna gain and about 1024 radiating elements.
- the antenna has a layered structure.
- the individual plates are connected to each other via screws.
- US2007241962A of Hitachi Ltd. was first published in 2005 and describes a radar antenna for use in automobiles.
- the antenna has a metal plate with a plurality of slots.
- Absorbers for radio waves which are arranged between the slotted metal plate and the actual antenna, are used to detect directional changes.
- the slotted metal plate and the antenna are spaced apart from each other.
- EP1006608A by Technisat Digital GmbH was first published in 2000 and describes a multilayer antenna arrangement with patch elements formed in a top conductive layer.
- first excitation elements In an underlying second conductive layer are first excitation elements and in a third conductive layer second excitation formed training elements.
- the first excitation elements have first feed lines oriented in a first direction and the second excitation elements have second feed lines oriented in a second direction orthogonal to the first direction.
- Each of the feeder lines is aligned with the associated patch element and electromagnetically coupled with it.
- the antenna has a comparatively complicated structure with many layers.
- US5321411 A of Matsushita Electric Works Ltd. was first published in 1992 and concerns a planar antenna for linearly polarized waves.
- the antenna has a multilayer structure.
- the antenna is suitable for a wave range of around 500 MHz.
- the described dish antenna has a regular arrangement of openings in a first electrically conductive or conductively coated body.
- a second body has chamber-like depressions of doubly mirror-symmetrical shape and is connected to a cross-face of the first body.
- the chamber-like recesses are each associated with at least four openings of the first body.
- the chamber-like depressions have recesses arranged on the rear side in the center, which form a connection to the second cross-surface of the second body and serve for feeding.
- the antenna has a comparatively complicated structure and is not suitable for frequencies in the range of 70-80 CHZ, respectively, is no economic production possible.
- An object of the invention is to show an antenna with a comparatively simple structure, which also has improved emission properties and is suitable for frequencies in the range of 70-80 GHz.
- the antenna has a layered construction with three plates.
- a rear-mounted first plate serves primarily for the feeding and fine distribution of the signal to be radiated.
- the first plate has for this purpose, for example, a Verteilerbau m or similar means.
- the Verteilerbau m can be arranged on several levels if necessary.
- a centrally disposed second plate advantageously has two plane-parallel side surfaces (top, respectively bottom side), in which you ranching, the two plane-parallel surfaces connecting first ⁇ ffnu are arranged.
- the first apertures serve to guide and transmit the signal to be radiated to a third plate located on the front side.
- the front side disposed third plate has second openings, which are operatively connected to the first openings.
- the front side arranged third plate serves as a diffuser to m emitting the signal to be transmitted.
- the middle second plate has a comparatively low fracture and thus a comparatively high mechanical stability.
- the plates do not mesh with each other.
- the plane-parallel side surfaces of the second plate are suitable for accurate, large-area fastening of the first and third plates, for example by soldering, gluing or welding. Since only a few parts interlock during assembly, it prevents any possible damage to the coating. In addition, it can be prevented that the individual plates deform during assembly. This has an advantageous effect on the producibility and the radiation behavior.
- One goal is that the central second plate be decisive in determining the total geometry of the antenna and determining its shape in comparison to the other two plates.
- the middle plate geometrie is compared to the first, respectively to the third plate on a higher mechanical stability.
- the first and / or the third plate may have recesses or depressions for influencing the mechanical stability.
- the middle second plate is made of a material having a comparatively high modulus of elasticity. Cut are suitable e.g. metallic materials, such as aluminum, brass, or other metals or alloys thereof. Depending on the field of application, filled or fiber-reinforced plastics are also suitable. Also suitable, e.g. Glass-like or sintered materials, which have a low dependence on external influences. By a production of a conductive material eliminates a later, manufacturing technically very expensive coating.
- At least the rear-side first and / or the front-side third plate advantageously consist of a material with a comparatively low modulus of elasticity. Also by a corresponding, e.g. thin-walled design and / or recesses can be reduced their formative influence, respectively, be neutralized each other.
- One goal is that e.g. no adverse deformations occur during temperature fluctuations.
- the middle plate may also be surrounded by a frame-shaped thickening, which is integrally formed on it or with which it is operatively connected.
- the stability and the dimensional stability can be increased, in particular in the case of large temperature fluctuations.
- the second middle plate has a geometrically simple construction, in which the geometry is essentially limited to two plane-parallel surfaces and the first openings which extend therealong, the production process can be massively simplified.
- the second middle plate can be cut out of plastic or of plate-shaped starting material by punching, lasering or milling. Die casting can also be suitable for manufacturing.
- the second plate deforms more uniformly due to its balanced design.
- the more complicated geometries are advantageously outsourced to the first or the third plate.
- elements of the first and / or the third plate can engage in openings of the second plate.
- at least in the area of the radiating surface of the green antenna there are no elements above the side surfaces of the second plate. Recessions and dips are possible.
- the first and third plates are advantageously made of plastic, e.g. produced by injection molding and, if necessary, subsequently coated with an electrically conductive material.
- the middle second plate can be e.g. be cut out of sheet metal or punched. Other manufacturing types are possible.
- the three plates are effective with each other over a large area. Good results will be achieved by soldering, welding, ultrasonic welding or gluing. Depending on the area of application, other methods may be suitable.
- the structure according to the invention allows the greatest possible antenna gain for a given antenna area / size.
- ETSI standard 38 dBi
- FCC standard 43 dBi
- the structure according to the invention furthermore makes possible a compact, non-conspicuous design for road-to-point-to-point connection with visibility in the region of 2 km, which is very robust against external influences. Other dimensions are possible.
- a mechanical reference with the radiator, or the middle second plate be operatively connected.
- the mechanical reference can be made for rapid alignment as an optical adjustment of the horizontal beam direction so that the alignment time of the two antennas to each other is e.g. is reduced to a minimum by means of a laser and / or a telescope. In comparison to earlier (purely electrical alignment), the time required for alignment can be reduced from a few hours to a few minutes.
- the necessary precision of the structure is achieved by employing a sandwiched plate of a relatively high strength material (high modulus).
- the middle plate is simplified in its geometry so that an economical production of a low distortion, mechanically stable plate is possible.
- the adjustment structures for the distribution networks are advantageously completely laid in the upper and lower plate, so that the middle plate remains a flat plate with some breaks (manufacturability, for example, stamped or laser-cut sheet metal, composite material, such as printed circuit board) ).
- the distribution network mentioned in US6861 996 instead of rectangular waveguide with more compact ridge waveguides.
- the aspect ratio in the lower plate remains in an economically feasible ratio for electroplating.
- the application bandwidth of the network increases.
- the flat middle plate can easily be provided with solder paste or conductive adhesive in the usual way in the printed circuit board industry, and so on to ensure a uniform interruption-free contacting of the waveguide structures between the plates.
- the dummy antenna includes a first plate having a waveguide structure for distributing an electromagnetic signal to be radiated by the dish antenna.
- a second plate comprises first openings for passing the electromagnetic signal to be radiated.
- a third plate serves as a diffuser and comprises means which serve to (radiate) emission of the electromagnetic signal.
- the second plate is arranged between the first and the third plate and operatively connected to these over a large area.
- the second plate advantageously has two substantially plane-parallel, in particular in the region of the first openings little to unbalanced side surfaces.
- the second plate is advantageously designed, or made of a material having a higher modulus of elasticity than the material from which the first and / or the third plate are made, that the second plate acts geometriebecked for the radiation region of the dish antenna ,
- the second plate is made of metal or a plastic, for example, which is at least partially coated electrically conductive for the passage of the electromagnetic signal.
- the first and / or the third plate may for example be made of plastic, which is also at least partially coated electrically conductive or itself is sufficiently electrically conductive.
- the first openings may have a constant or a variable diameter. If necessary, molded onto the first and / or the third plate molded elements for influencing the characteristic in the first openings.
- the means arranged in the first plate for distributing the electromagnetic signal to be radiated are advantageously a distribution tree of waveguides (waveguide structure).
- the waveguides are formed by channel-like depressions arranged in the first plate.
- the channel-like depressions can be arranged on the side facing and / or facing away from the second plate.
- the operative connection to the front side of the first plate, respectively the first openings in the second plate is ensured via further openings.
- the plates of the array antenna are advantageously operatively connected to each other over a large area by gluing, soldering or welding.
- the second plate may be directly or indirectly operatively connected to an alignment device, which serves for the mutual alignment of two dummy antennas.
- FIG. 1 shows a first embodiment of an inventive antenna in a pan
- FIG. 2 shows the dollshell antenna according to FIG. 1 in a front view
- FIG. 4 shows the dollshell antenna according to FIG. 1 in a perspective view obliquely from above;
- FIG. 5 shows the dollshell antenna according to Figure 1 in a perspective view obliquely from below;
- FIG. 6 shows the pan antenna according to FIG. 1 in a perspective view obliquely from the front and the top in the opened state;
- FIG. 9 is a perspective view obliquely from behind and below in the open state.
- FIG. 11 shows detail E according to FIG. 9; Fig.12 Detail F according to Figure 1; Fig.13 detail C according to Figure 1.
- FIG. 1 shows an embodiment of a crash antenna 1 according to the invention in a side view and FIG. 2 in a front view.
- FIG. 3 shows the pan antenna 1 in a sectional view along the section line AA according to FIG. 2.
- FIG. 4 shows the pan antenna from obliquely in front and above and FIG. 5 from obliquely from the front and from below.
- FIG. 6 shows the dummy antenna 1 in the open state obliquely from the front and from the top. The mounting direction is indicated schematically by lines s.
- FIG. 7 shows detail B and FIG. 8 shows detail C according to FIG. 6.
- FIG. 9 shows the dummy antenna 1 in the open state obliquely from behind and below.
- FIG. 10 shows detail D and FIG. 11 shows detail E according to FIG. 9.
- FIG. 12 shows detail F according to FIG. 2 and FIG. 13 detail C according to FIG. 3. In FIG. 12 the hidden lines are shown in broken lines.
- the illustrated embodiment of the dummy antenna 1 has a three-plate structure in which a middle second plate 3 is disposed between a first back plate 2 and a third front plate 4.
- the middle second plate 3 in comparison to the prior art has a simple configuration. It consists essentially of a flat, slightly rugged Crundisson 3 with two plane-parallel side surfaces (top 5 and bottom 6), in which the two side surfaces 5, 6 connecting through opening 7 are arranged. The openings 7 may have a constant or variable over their lengths cross section.
- the middle plate 3 has a comparatively low fracture. That is, the two plane-parallel surfaces 5, 6 account for approximately 80-90% of the total effective cross-sectional area (non-functional openings are not considered). In the embodiment shown, there are no elements above the side surfaces 5, 6.
- the middle plate 3 is advantageously designed in such a way that it determines the shape of the geometry or the planarity of the dish antenna 1 or reduces the geometry-determining influence of the rear and the front plate 2, 4. This can be achieved by making the middle plate of a material having a comparatively high modulus of elasticity. Well suited are metallic materials or fiber reinforced plastics. Due to the simple geometry of the middle plate 3, this can be efficiently removed e.g. by punching or otherwise produced.
- the rear first plate 2 serves to supply and distribute the electromagnetic waves to be radiated (not shown).
- the rear plate 2 has a distribution tree 8, which is formed by H-shaped branched, channel-like depressions 9, which are arranged in the second plate 3 facing front 10.
- the recesses 9 form in the assembled state together with the underside 6 of the middle plate 3 waveguide 1 1 (see Figure 13) for the efficient transmission of the electromagnetic waves.
- the ends of the channel-like recesses 9 correspond to the openings 7 in the second plate 3.
- the openings 7 are used to transmit the electromagnetic see waves to the responsible for the emission of electromagnetic waves front third plate 4 (diffuser), which will be described below.
- the front plate 4 serves to directionally radiate the electromagnetic waves (in the z-direction in the figures).
- the front plate 4 has for this purpose horn-like openings 12, which are operatively connected to the through openings 7 via flat rear connection channels 13.
- horn-like openings 12 are operatively connected to a first opening 7 and via this to the waveguide structure 11 arranged in the first plate 2.
- the third plate 4 here on the rear side arranged recesses 16, which contribute to the reduction of the mechanical stability and to reduce the material consumption.
- the first plate except for the channels 9, if necessary, additionally have such recesses.
- the signal to be radiated is transferred via a rearwardly arranged feed opening 14 to the dish antenna 1.
- the dummy antenna 1 is usually installed in a housing, which is not shown here.
- the array antenna 1 has various attachment means 15.
- both the first rear and the third front plate 2, 4 compared to the middle second plate 3 has a comparatively complicated structure.
- the first and the third plate 2, 4 are also advantageously designed so that their influence on the geometry compared to the second plate 3 is reduced. They can be made, for example, by injection molding of plastic. Their design minimizes their influence on the antenna geometry with changing external influences. LIST OF SIGNATURE SIGNS
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Waveguide Aerials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00277/11A CH704552A8 (de) | 2011-02-17 | 2011-02-17 | Gruppenantenne. |
PCT/EP2012/052066 WO2012110366A1 (de) | 2011-02-17 | 2012-02-07 | Gruppenantenne |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2676327A1 true EP2676327A1 (de) | 2013-12-25 |
EP2676327B1 EP2676327B1 (de) | 2018-07-25 |
Family
ID=43920112
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12702554.2A Active EP2676327B1 (de) | 2011-02-17 | 2012-02-07 | Gruppenantenne |
Country Status (5)
Country | Link |
---|---|
US (1) | US9640870B2 (de) |
EP (1) | EP2676327B1 (de) |
CN (1) | CN203596415U (de) |
CH (1) | CH704552A8 (de) |
WO (1) | WO2012110366A1 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8988300B2 (en) | 2011-12-06 | 2015-03-24 | Viasat, Inc. | Dual-circular polarized antenna system |
US9653819B1 (en) | 2014-08-04 | 2017-05-16 | Waymo Llc | Waveguide antenna fabrication |
US9711870B2 (en) | 2014-08-06 | 2017-07-18 | Waymo Llc | Folded radiation slots for short wall waveguide radiation |
US9766605B1 (en) | 2014-08-07 | 2017-09-19 | Waymo Llc | Methods and systems for synthesis of a waveguide array antenna |
US9612317B2 (en) | 2014-08-17 | 2017-04-04 | Google Inc. | Beam forming network for feeding short wall slotted waveguide arrays |
IL236739B (en) | 2015-01-15 | 2018-02-28 | Mti Wireless Edge Ltd | Antenna formed from plates and methods useful in conjunction therewith |
CA2980920C (en) | 2015-03-25 | 2023-09-26 | King Abdulaziz City Of Science And Technology | Apparatus and methods for synthetic aperture radar with digital beamforming |
US9876282B1 (en) | 2015-04-02 | 2018-01-23 | Waymo Llc | Integrated lens for power and phase setting of DOEWG antenna arrays |
US9859597B2 (en) | 2015-05-27 | 2018-01-02 | Viasat, Inc. | Partial dielectric loaded septum polarizer |
US9640847B2 (en) | 2015-05-27 | 2017-05-02 | Viasat, Inc. | Partial dielectric loaded septum polarizer |
CN108432049B (zh) * | 2015-06-16 | 2020-12-29 | 阿卜杜拉阿齐兹国王科技城 | 有效平面相控阵列天线组件 |
EP3380864A4 (de) | 2015-11-25 | 2019-07-03 | Urthecast Corp. | Radarbildgebungsvorrichtung mit synthetischer apertur und verfahren |
US10082570B1 (en) * | 2016-02-26 | 2018-09-25 | Waymo Llc | Integrated MIMO and SAR radar antenna architecture for self driving cars |
US10826148B2 (en) | 2016-03-31 | 2020-11-03 | Nec Corporation | Ridge waveguide and array antenna apparatus |
CN208093769U (zh) * | 2016-04-05 | 2018-11-13 | 日本电产株式会社 | 雷达 |
US10439275B2 (en) * | 2016-06-24 | 2019-10-08 | Ford Global Technologies, Llc | Multiple orientation antenna for vehicle communication |
US10224617B2 (en) * | 2016-07-26 | 2019-03-05 | Waymo Llc | Plated, injection molded, automotive radar waveguide antenna |
WO2018217902A1 (en) | 2017-05-23 | 2018-11-29 | King Abdullah City Of Science And Technology | Synthetic aperture radar imaging apparatus and methods for moving targets |
US11506778B2 (en) | 2017-05-23 | 2022-11-22 | Spacealpha Insights Corp. | Synthetic aperture radar imaging apparatus and methods |
US11525910B2 (en) | 2017-11-22 | 2022-12-13 | Spacealpha Insights Corp. | Synthetic aperture radar apparatus and methods |
USD881854S1 (en) * | 2017-12-29 | 2020-04-21 | Waymo Llc | Integrated MIMO and SAR radar antenna |
CN110635252A (zh) * | 2019-09-23 | 2019-12-31 | 中国人民解放***箭军工程大学 | 一种塑料喇叭阵天线的加工方法及*** |
CN111129711A (zh) * | 2020-01-10 | 2020-05-08 | 深圳市信维通信股份有限公司 | 5g双极化天线模组及终端设备 |
WO2022122319A1 (en) | 2020-12-08 | 2022-06-16 | Huber+Suhner Ag | Antenna device |
EP4342026A1 (de) | 2021-05-19 | 2024-03-27 | Huber+Suhner AG | Antennenvorrichtung für kraftfahrzeugradaranwendungen |
CN118435455A (zh) * | 2021-12-23 | 2024-08-02 | 灏讯有限公司 | 天线装置 |
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US3950204A (en) | 1972-09-29 | 1976-04-13 | Texas Instruments Incorporated | Low pressure, thin film bonding |
US4096482A (en) * | 1977-04-21 | 1978-06-20 | Control Data Corporation | Wide band monopulse antennas with control circuitry |
FR2582865B1 (fr) * | 1985-06-04 | 1987-07-31 | Labo Electronique Physique | Modules unitaires d'antenne hyperfrequences et antenne hyperfrequences comprenant de tels modules |
US4712110A (en) * | 1985-12-26 | 1987-12-08 | General Dynamics, Pomona Division | Five-port monopulse antenna feed structure with one dedicated transmit port |
WO1989009501A1 (en) * | 1988-03-30 | 1989-10-05 | British Satellite Broadcasting Limited | Flat plate array antenna |
US5321411A (en) | 1990-01-26 | 1994-06-14 | Matsushita Electric Works, Ltd. | Planar antenna for linearly polarized waves |
ATE158676T1 (de) | 1990-06-14 | 1997-10-15 | John Louis Frederick C Collins | Antenne in der form einer flachen platte |
GB2247990A (en) * | 1990-08-09 | 1992-03-18 | British Satellite Broadcasting | Antennas and method of manufacturing thereof |
GB2279813B (en) * | 1993-07-02 | 1997-05-14 | Northern Telecom Ltd | Polarisation diversity antenna |
US6028562A (en) * | 1997-07-31 | 2000-02-22 | Ems Technologies, Inc. | Dual polarized slotted array antenna |
DE19855115A1 (de) | 1998-11-30 | 2000-06-08 | Technisat Elektronik Thueringe | Mehrlagige Antennenanordnung |
US6211838B1 (en) * | 2000-02-02 | 2001-04-03 | Space Systems/Loral, Inc. | High efficiency dual polarized horn antenna |
US6404379B1 (en) * | 2000-06-29 | 2002-06-11 | Lockheed Martin Corporation | Matrix monopulse ratio radar processor for two target azimuth and elevation angle determination |
NZ528252A (en) | 2001-03-21 | 2005-03-24 | Microface Co | Waveguide slot antenna and manufacturing method thereof |
DE10150086B4 (de) | 2001-10-14 | 2013-12-12 | Uhland Goebel | Gruppenantenne mit einer regelmäßigen Anordnung von Durchbrüchen |
JPWO2005055366A1 (ja) | 2003-11-14 | 2007-06-28 | 株式会社日立製作所 | 車載用レーダ |
CN2739818Y (zh) | 2004-08-16 | 2005-11-09 | 北京怡嘉兴业信息工程有限公司 | Ku波段高增益平面天线 |
JP4764688B2 (ja) * | 2004-10-22 | 2011-09-07 | 日本無線株式会社 | トリプレート型平面スロットアンテナ |
CN1885616A (zh) * | 2005-06-23 | 2006-12-27 | 北京海域天华通讯设备有限公司 | 高增益波导喇叭阵列平板天线 |
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WO2009093779A1 (en) * | 2008-01-25 | 2009-07-30 | Microface Co., Ltd | Feeding network structure for flat type antenna |
US8558746B2 (en) * | 2011-11-16 | 2013-10-15 | Andrew Llc | Flat panel array antenna |
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2011
- 2011-02-17 CH CH00277/11A patent/CH704552A8/de not_active Application Discontinuation
-
2012
- 2012-02-07 EP EP12702554.2A patent/EP2676327B1/de active Active
- 2012-02-07 WO PCT/EP2012/052066 patent/WO2012110366A1/de active Application Filing
- 2012-02-07 CN CN201290000296.1U patent/CN203596415U/zh not_active Expired - Lifetime
- 2012-02-07 US US14/000,308 patent/US9640870B2/en active Active
Non-Patent Citations (1)
Title |
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See references of WO2012110366A1 * |
Also Published As
Publication number | Publication date |
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US20130321229A1 (en) | 2013-12-05 |
CN203596415U (zh) | 2014-05-14 |
US9640870B2 (en) | 2017-05-02 |
WO2012110366A1 (de) | 2012-08-23 |
CH704552A8 (de) | 2012-10-15 |
CH704552A1 (de) | 2012-08-31 |
EP2676327B1 (de) | 2018-07-25 |
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