EP2862235A1 - Antennenanordnung und verfahren - Google Patents
Antennenanordnung und verfahrenInfo
- Publication number
- EP2862235A1 EP2862235A1 EP13718328.1A EP13718328A EP2862235A1 EP 2862235 A1 EP2862235 A1 EP 2862235A1 EP 13718328 A EP13718328 A EP 13718328A EP 2862235 A1 EP2862235 A1 EP 2862235A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- feed
- antenna
- signal
- antenna element
- antenna arrangement
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/0006—Particular feeding systems
-
- 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
- H01Q21/065—Patch antenna array
-
- 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
- H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
-
- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H01Q13/20—Non-resonant leaky-waveguide or transmission-line antennas; Equivalent structures causing radiation along the transmission path of a guided wave
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/28—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the amplitude
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
- H01Q3/36—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters
Definitions
- the present invention relates to an antenna arrangement, in particular Traveling Wave antenna arrangement, with adjustable radiation characteristic.
- the present invention further relates to a method of operating an antenna arrangement.
- radio antennas are mounted on radio towers of the mobile service providers, each covering a specific area of the supplied by the respective radio tower radio cell.
- three antennas may be provided, each of which has an opening angle of about 120 °.
- Phased array antennas are known in which the antenna pattern is electronically pivotable.
- Phased array antennas consist of a plurality of transmitting elements (array), which are fed from a common signal source.
- the individual transmission elements of the phased array antenna are driven with a suitably phase-shifted signal.
- the individual emitted electromagnetic waves in the desired direction interfere with a constructive interference and thus form a maximum of radiated energy in the desired direction.
- phased array antennas have a phase shifter and an attenuator for individually adjusting phase and amplitude for each of the transmitting elements.
- FIG. 1 An exemplary phased array antenna is shown in FIG.
- the phased array antenna of FIG. 1 has four transmitting elements S1-S4, each of which is coupled to a common signal source FN (also called a feed network), between the signal source FN and the individual transmitting elements is in each case an attenuator V1-V4 a series-arranged phase shifter P1 - P4 arranged.
- An antenna suitable for use in radar applications is shown for example in DE102010040793 (A1).
- the present invention discloses an antenna arrangement with the features of patent claim 1 and a method with the features of claim 8.
- An antenna arrangement in particular a traveling wave antenna arrangement, with adjustable emission characteristics, comprising an antenna element which has a first feed connection at one end of the antenna element and a second feed line
- a signal generating unit which is adapted to generate a feed signal, and which is adapted to the feed signal at the first feed terminal of the Antenna element and to provide at the second feed terminal of the antenna element
- at least one signal adjusting unit which is arranged electrically between the signal generating unit and one of the feed terminals, and which is adapted to the amplitude and / or the phase of the corresponding
- a method of operating an antenna arrangement according to one of the preceding claims comprising the steps of generating a feed-in signal, feeding in the
- the finding underlying the present invention is that an antenna fed with two feed signals emits two independent signals which can be superimposed.
- the idea underlying the present invention is now to take this knowledge into account and to provide a possibility to feed a single antenna with two feed signals, which are adapted such that the superimposition of the two electromagnetic waves caused by the feed signals is a desired one Property, eg has a directivity.
- the present invention provides a signal generating unit which generates an infeed signal, which is supplied to two individual feed-in points of an antenna element.
- the present invention further provides a signal conditioning unit which adjusts the feed signal for at least one of the two feed points such that a desired antenna pattern results from the radiated electromagnetic waves.
- the signal conditioning unit matches the amplitude and the phase of the
- Infeed signal which is fed to one of the feed terminals.
- the range in which the electromagnetic waves are emitted may not usually be be exactly limited. Rather, a maximum of electrical energy is transmitted in the specified direction.
- the direction and width of the main antenna lobe can therefore be adjusted with the aid of the present invention.
- adjustment of the direction and width of the main antenna lobe can take place with only one signal adaptation unit, which only adapts the feed signal, which is guided to one of the two feed points.
- the present invention provides a way to provide an antenna device with an antenna pattern that is extremely robust to amplitude and phase errors of the feed-in signals.
- the antenna element has an array antenna which has one of the feed terminals at each end. This makes it possible to provide a somewhat complex and easy-to-manufacture antenna element with which a desired antenna diagram can be set.
- the array antenna comprises a waveguide antenna. Additionally or alternatively, the array antenna has a microstrip antenna. This makes it possible to adapt the present invention to different applications and requirements.
- the feed signal has a frequency adapted to the antenna element such that an electromagnetic wave emitted by the antenna element has a predetermined emission characteristic. This makes it possible to predetermine a desired directional characteristic of the main antenna lobe in the antenna arrangement according to the invention already by the geometry of the antenna element and a feed signal tuned thereto without the signal conditioning unit having to change the signal.
- the at least one signal adaptation unit is designed to adapt the amplitude and / or the phase of the feed signal such that the signal is applied to the first feed terminal and to the second feed terminal
- the signal conditioning unit has an adjustable phase shifter. This makes it possible to provide a simple, component-based signal conditioning unit.
- the signal conditioning unit comprises an adjustable amplifier. This also makes it possible to provide a simple, component-based signal conditioning unit.
- FIG. 1 shows an exemplary conventional phased array antenna
- FIG. 2 is a block diagram of an exemplary embodiment of an antenna arrangement according to the invention
- FIG. a flowchart of an exemplary embodiment of a method according to the invention; a block diagram of another exemplary embodiment of an antenna arrangement according to the invention; a block diagram of another exemplary embodiment of an antenna arrangement according to the invention; a block diagram of another exemplary embodiment of an antenna arrangement according to the invention; an antenna diagram of another exemplary embodiment of an antenna arrangement according to the invention; a further antenna diagram of another exemplary embodiment of an antenna arrangement according to the invention; a further antenna diagram of another exemplary embodiment of an antenna arrangement according to the invention; a block diagram of an exemplary embodiment of an antenna element according to the invention; a block diagram of another exemplary embodiment of an antenna element according to the invention; a block diagram of another exemplary embodiment of an antenna element according to the invention; a block diagram of another exemplary embodiment of an antenna element according to the invention; a block diagram of another exemplary embodiment of an antenna element according to
- the antenna arrangement 1 has an antenna element 2, which has a first feed terminal 3 at one end and a second feed terminal 3 at its other end
- Infeed 4 has. Furthermore, the antenna arrangement 1 has a signal generation unit 5, which is directly coupled to the first feed connection 3. The signal generating unit 5 is coupled to the second feed terminal 4 indirectly via a signal adjustment unit 6, which is adapted to adjust the amplitude and / or the phase of the corresponding feed signal according to a predetermined Ab- beam characteristic.
- Fig. 2 is thus a dual-powered antenna element 2, which is fed from both sides simultaneously.
- This can e.g. be a linear array antenna.
- FIGS. 4 to 6 Further exemplary embodiments of the antenna arrangement 1 are shown in FIGS. 4 to 6.
- FIG. 3 shows a flowchart of an exemplary embodiment of a method according to the invention.
- a first step S1 of the method according to the invention an infeed signal is generated.
- the feed-in signal is fed to a first feed connection 3 of an antenna element 2 of the antenna arrangement 1 and to a second feed connection 4 of the antenna element 2 of the antenna arrangement 1.
- an adapted feed-in signal is fed to at least one of the feed connections 3, 4.
- This adjusted feed-in signal is adjusted in a third step S3 by adjusting the amplitude and / or the phase of the
- FIG. 4 shows a block diagram of a further exemplary embodiment of an antenna arrangement 1 according to the invention.
- the antenna arrangement 1 in FIG. 4 largely corresponds to the antenna arrangement 1 from FIG. 2.
- the antenna arrangement 1 from FIG. 4 differs from the antenna arrangement 1 from FIG. 2 only in that the antenna element 2 is provided as a waveguide antenna element 2-1 an antenna column is formed, and that the signal adjustment unit 6 has an adjustable phase shifter 7 and an adjustable amplifier 8.
- FIG. 5 shows a block diagram of a further exemplary embodiment of an inventive antenna arrangement 1.
- the antenna arrangement 1 in FIG. 5 largely corresponds to the antenna arrangement 1 from FIG. 4.
- the antenna arrangement 1 from FIG. 5 differs from the antenna arrangement 1 from FIG. 4 only in that the antenna element 2 is designed as a patch array antenna 2-2 is formed with only one antenna column.
- FIG. 6 shows a block diagram of a further exemplary embodiment of an antenna arrangement 1 according to the invention.
- the antenna arrangement 1 in FIG. 6 largely corresponds to the antenna arrangement 1 from FIG. 4.
- the antenna arrangement 1 from FIG. 6 differs from the antenna arrangement 1 from FIG. 4 only in that the antenna element 2 acts as a patch array antenna 2-3 is formed with four antenna columns 1 1 -1, 1 1 -2, 1 1 -3, 1 1 -4.
- 7 shows an antenna diagram of an exemplary embodiment of an antenna arrangement 1 according to the invention.
- the antenna diagram of FIG. 7 shows the antenna diagram of a dual-powered antenna element 2, 2-1, 2-2, 2-3 according to the invention in a destructive superimposition.
- the emission angle Tta of -100 ° to + 100 ° is plotted on the abscissa axis. Furthermore, the antenna gain in dBi from -40dBi to + 15dBi is plotted on the ordinate axis.
- a curve is shown in the antenna diagram of FIG. 7, which shows half-sinusoidal waves between -90 ° and + 90 ° and represents the antenna gain. The destructive interference of the two signals becomes particularly clear at an angle of 0 °. Here the curve drops to about -38dBi.
- FIG. 8 shows a further antenna diagram of a further exemplary embodiment of an antenna arrangement according to the invention.
- the antenna diagram of FIG. 8 shows the antenna diagram of a dual-powered antenna element 2, 2-1, 2-2, 2-3 according to the invention in a constructive superimposition.
- the emission angle theta is plotted from -100 ° to + 100 ° on the abscissa axis. Furthermore, the antenna gain in dBi from -40 to +20 is plotted on the ordinate axis.
- each half-sinusoidal waves pointing between -90 ° and + 90 ° and represents the antenna gain.
- the constructive interference of the two signals becomes particularly clear at an angle of 0 °.
- the curve shows a maximum of about 17dBi.
- FIG. 9 shows a further antenna diagram of a further exemplary embodiment of an antenna arrangement according to the invention.
- the antenna diagram of FIG. 9 corresponds to the antenna diagram of an antenna element according to FIG. 5.
- the beam angle of -90 ° to + 90 ° is shown on the abscissa axis. Furthermore, the antenna gain in dBi from -30dBi to + 15dBi is plotted on the ordinate axis.
- the first feed signal for the first signal curve S1 has an amplitude of 1 volt and a phase angle of 0 °.
- the second feed signal for the first signal curve S1 has an amplitude of 0.2 volts and a phase angle of 0 °.
- the first feed signal for the second signal curve S2 has an amplitude of 1 volt and a phase angle of 0 °.
- the second feed signal for the second signal curve S2 has an amplitude of 0 volts and a phase angle of 0 °.
- the first feed signal for the third signal curve S3 has an amplitude of 1 volt and a phase angle of 0 °.
- the second feed signal for the third signal curve S3 has an amplitude of 0.4 volts and a phase angle of 150 °.
- the first feed signal for the fourth signal curve S4 has an amplitude of 1 volt and a phase angle of 0 °.
- the second feed signal for the fourth sig- nal curve S4 has an amplitude of 0.6 volts and a phase angle of 180 °.
- the first feed signal for the fifth signal curve S5 has an amplitude of 1 volt and a phase angle of 0 °.
- the second feed signal for the fifth signal curve S5 has an amplitude of 1 volt and a phase angle of 180 °.
- the first feed signal for the sixth signal curve S6 has an amplitude of 0.6 volts and a phase angle of 180 °.
- the second feed signal for the sixth signal curve S6 has an amplitude of 1 volt and a phase angle of 0 °.
- the first feed signal for the seventh signal curve S7 has an amplitude of 0.4 volts and a phase angle of 150 °.
- the second feed signal for the seventh signal curve S7 has an amplitude of 1 volt and a phase angle of 0 °.
- the first feed signal for the eighth signal curve S8 has an amplitude of 0 volts and a phase angle of 0 °.
- the second feed signal for the eighth signal curve S8 has an amplitude of 1 volt and a phase angle of 0 °.
- EF1 stands for the element Factor when the antenna element is fed via the first feed connection 3.
- AF1 stands for the array factor when the antenna element is fed via the first feed terminal 3.
- EF2 stands for the element Factor when the antenna element is fed via the second feed terminal 4.
- AF2 stands for the array factor when the antenna element is fed via the second feed terminal 4.
- FIG. 10 shows the configuration of an exemplary embodiment of an antenna element 2 according to the invention for further illustrating the analytical model shown in FIG. 9.
- the antenna element 2 in Fig. 10 has ten arranged in a row transmitting elements 10, which are electrically connected to each other. For reasons of clarity, only one of the transmitting elements 10 is provided with a reference numeral.
- the antenna element 2 in FIG. 10 has a first feed connection 3 at the right end of the antenna element 2 and a second feed connection 4 at the left end of the antenna element 2.
- the distance d is further drawn, which indicates the distance between two the centers of two transmitting elements 10.
- the angle ⁇ is marked, which indicates the direction of the main radiation of the antenna element 2.
- a coordinate system is shown in FIG. 10, wherein the abscissa axis of the coordinate system is arranged parallel to the row of transmission elements 10.
- the E plane denotes the sectional plane of the antenna diagram in the direction of the electric field components (here horizontal), the H plane the sectional plane of the antenna diagram orthogonal thereto (here vertical).
- FIGS. 11 to 13 each show an antenna element 2 for illustrating the present invention.
- the antenna elements 2 in FIGS. 11 to 13 each have five transmitting elements 10, a first feed connection 3 and a second feed connection 4.
- Fig. 1 1 corresponds to the distance D between the individual transmitting elements 10 of half the wavelength of the injected signal. It follows that the main emission of the antenna takes place in the direction perpendicular to the row of transmitting elements 10. This is represented by an arrow perpendicular to the row of transmitting elements 10.
- the distance D between the individual transmission elements 10 is greater than half the wavelength of the signal fed in at the first and the second supply connection 3, 4. It follows that the two signals are emitted not perpendicular, but in a Wnkel compared to the vertical radiation. It will caused by the signal which is fed to the first (right) feed terminal 3, a radiation having a negative angle to the radiation perpendicular to the row of transmitting elements 10, ie an angle shifted counterclockwise. Likewise, a radiation is caused by the signal which is fed to the second (left) feed terminal 4, which has a positive angle with respect to the radiation perpendicular to the row of transmitting elements 10, ie an angle shifted clockwise.
- FIG. 13 shows an antenna element 2 in which the distance D between the individual transmission elements 10 is less than half the wavelength of the signal fed in at the first and the second supply connection 3, 4.
- FIG. 13 shows an effect opposite to FIG. 12, in which the signal which is fed in at the first (right-hand) feed connection 3 causes a radiation which is perpendicular to the line of transmitting elements 10 standing radiation a positive Wnkel, ie a clockwise shifted Wnkel has.
- a radiation is caused by the signal which is fed to the second (left) feed terminal 4, which has a negative angle with respect to the perpendicular to the series of transmitting elements 10 radiation, ie, a counterclockwise shifted angle.
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012210314A DE102012210314A1 (de) | 2012-06-19 | 2012-06-19 | Antennenanordnung und Verfahren |
PCT/EP2013/058436 WO2013189634A1 (de) | 2012-06-19 | 2013-04-24 | Antennenanordnung und verfahren |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2862235A1 true EP2862235A1 (de) | 2015-04-22 |
EP2862235B1 EP2862235B1 (de) | 2019-04-17 |
Family
ID=48182906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13718328.1A Active EP2862235B1 (de) | 2012-06-19 | 2013-04-24 | Antennenanordnung und verfahren |
Country Status (5)
Country | Link |
---|---|
US (1) | US9912054B2 (de) |
EP (1) | EP2862235B1 (de) |
CN (1) | CN104604027B (de) |
DE (1) | DE102012210314A1 (de) |
WO (1) | WO2013189634A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014212494A1 (de) * | 2014-06-27 | 2015-12-31 | Robert Bosch Gmbh | Antennenvorrichtung mit einstellbarer Abstrahlcharakteristik und Verfahren zum Betreiben einer Antennenvorrichtung |
CN104868233B (zh) * | 2015-05-27 | 2018-02-13 | 电子科技大学 | 一种左右旋圆极化可重构的微带行波天线阵 |
EP3316400B1 (de) | 2015-06-29 | 2021-03-31 | Huawei Technologies Co., Ltd. | Phasengesteuertes arraysystem und strahlenabtastverfahren |
KR102630934B1 (ko) | 2016-05-13 | 2024-01-30 | 삼성전자주식회사 | 무선 전력 송신기 및 그 제어 방법 |
US10374465B2 (en) | 2016-05-13 | 2019-08-06 | Samsung Electronics Co., Ltd. | Wireless power transmitter and control method therefor |
US10439297B2 (en) | 2016-06-16 | 2019-10-08 | Sony Corporation | Planar antenna array |
US10892550B2 (en) | 2016-06-16 | 2021-01-12 | Sony Corporation | Cross-shaped antenna array |
US10256922B2 (en) * | 2017-08-04 | 2019-04-09 | Rohde & Schwarz Gmbh & Co. Kg | Calibration method and system |
US10811782B2 (en) * | 2018-04-27 | 2020-10-20 | Hrl Laboratories, Llc | Holographic antenna arrays with phase-matched feeds and holographic phase correction for holographic antenna arrays without phase-matched feeds |
CN112768914B (zh) * | 2020-12-29 | 2022-03-22 | 中山大学 | 一种3×4宽带波束固定阵列天线 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4364052A (en) * | 1980-10-29 | 1982-12-14 | Bell Telephone Laboratories, Incorporated | Antenna arrangements for suppressing selected sidelobes |
US4605931A (en) | 1984-09-14 | 1986-08-12 | The Singer Company | Crossover traveling wave feed for microstrip antenna array |
GB9512620D0 (en) * | 1995-06-21 | 1995-08-23 | Philips Electronics Nv | Receiver |
WO1997033342A1 (fr) | 1996-03-08 | 1997-09-12 | Nippon Steel Corporation | Antenne reseau plan |
KR100285779B1 (ko) * | 1997-12-10 | 2001-04-16 | 윤종용 | 이동통신용기지국용안테나 |
JP3296482B2 (ja) | 1998-08-13 | 2002-07-02 | 富士写真フイルム株式会社 | 熱現像装置 |
US6320542B1 (en) * | 1998-09-22 | 2001-11-20 | Matsushita Electric Industrial Co., Ltd. | Patch antenna apparatus with improved projection area |
US6043779A (en) * | 1999-03-11 | 2000-03-28 | Ball Aerospace & Technologies Corp. | Antenna apparatus with feed elements used to form multiple beams |
JP3917112B2 (ja) | 2003-06-26 | 2007-05-23 | 日本電信電話株式会社 | マルチビームアンテナ |
CA2611593C (en) * | 2005-07-04 | 2013-10-29 | Telefonaktiebolaget L M Ericsson (Publ) | An improved repeater antenna for use in point-to-point applications |
US7352325B1 (en) * | 2007-01-02 | 2008-04-01 | International Business Machines Corporation | Phase shifting and combining architecture for phased arrays |
GB2463884B (en) * | 2008-09-26 | 2014-01-29 | Kathrein Werke Kg | Antenna array with differently power rated amplifiers |
US9118113B2 (en) * | 2010-05-21 | 2015-08-25 | The Regents Of The University Of Michigan | Phased antenna arrays using a single phase shifter |
DE102010040793A1 (de) | 2010-09-15 | 2012-03-15 | Robert Bosch Gmbh | Gruppenantenne für Radarsensoren |
DE102010041438A1 (de) | 2010-09-27 | 2012-03-29 | Robert Bosch Gmbh | Antennensystem für Radarsensoren |
DE102014212494A1 (de) * | 2014-06-27 | 2015-12-31 | Robert Bosch Gmbh | Antennenvorrichtung mit einstellbarer Abstrahlcharakteristik und Verfahren zum Betreiben einer Antennenvorrichtung |
-
2012
- 2012-06-19 DE DE102012210314A patent/DE102012210314A1/de not_active Withdrawn
-
2013
- 2013-04-24 WO PCT/EP2013/058436 patent/WO2013189634A1/de active Application Filing
- 2013-04-24 CN CN201380032806.2A patent/CN104604027B/zh not_active Expired - Fee Related
- 2013-04-24 US US14/409,676 patent/US9912054B2/en not_active Expired - Fee Related
- 2013-04-24 EP EP13718328.1A patent/EP2862235B1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2013189634A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20150325926A1 (en) | 2015-11-12 |
WO2013189634A1 (de) | 2013-12-27 |
CN104604027B (zh) | 2018-09-25 |
EP2862235B1 (de) | 2019-04-17 |
DE102012210314A1 (de) | 2013-12-19 |
CN104604027A (zh) | 2015-05-06 |
US9912054B2 (en) | 2018-03-06 |
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