WO2010149140A1 - Halterung für einen bewegbaren sensor - Google Patents
Halterung für einen bewegbaren sensor Download PDFInfo
- Publication number
- WO2010149140A1 WO2010149140A1 PCT/DE2010/000711 DE2010000711W WO2010149140A1 WO 2010149140 A1 WO2010149140 A1 WO 2010149140A1 DE 2010000711 W DE2010000711 W DE 2010000711W WO 2010149140 A1 WO2010149140 A1 WO 2010149140A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor
- bearing
- support structure
- kinematic
- bearings
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B30/00—Projectiles or missiles, not otherwise provided for, characterised by the ammunition class or type, e.g. by the launching apparatus or weapon used
- F42B30/006—Mounting of sensors, antennas or target trackers on projectiles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/18—Means for stabilising antennas on an unstable platform
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
- F41H5/00—Armour; Armour plates
- F41H5/26—Peepholes; Windows; Loopholes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
- G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
- G01S13/06—Systems determining position data of a target
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1207—Supports; Mounting means for fastening a rigid aerial element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/1242—Rigid masts specially adapted for supporting an aerial
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
-
- 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
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
Definitions
- the present invention relates to a holder for a movable sensor, which can be aligned with a target, on a support structure.
- sensors may be, for example, radar sensors, camera sensors or in general transmitters and / or receivers of electromagnetic radiation.
- sensor for an alignable functional element in the context of the present application is therefore not limited to receiving devices, but may also include transmitting devices or combined transmit / receive devices for electromagnetic radiation.
- a movable support for the sensor is required.
- the support structure itself is also movable, for example, part of an aircraft, a spacecraft, a watercraft or a land vehicle, this holder must be able to track the sensor so that it remains aligned with the target. This is also true when the target moves.
- Object of the present invention is to provide a holder for a movable sensor which can be aligned with a target on a supporting structure, wherein the holder has a compact structure, allows rapid alignment of the sensor to the target and further rapid tracking of the sensor allowed with moving target and / or moving support structure.
- This object is achieved by the holder specified in claim 1.
- the holder is provided with at least two spaced-apart sensor-side bearings, at least two spaced-apart support structure side bearings, at least two variable in length
- Actuator units each of the actuator units is provided between an associated sensor-side bearing and an associated support structure side bearing, and a central bearing which is designed such that it supports the sensor about a kinematic pivot center and at least two spatial axes pivotally mounted on the support structure.
- Such a sensor holder has a very light and compact design. Its kinematics enable optimum tracking of the sensor (eg a radar antenna) in a space that is very limited in space, for example an aircraft nose.
- the pivoting about at least two spatial axes, which are preferably perpendicular to each other, allows pivoting of the sensor in each direction within the predetermined by the corresponding construction pivoting range about the respective axis of space. Accordingly, the tracking of the sensor can be carried out continuously in each of these directions.
- the middle bearing which may be formed, for example, as a universal joint, ensures the pivoting of the sensor and the actuator units, which may be formed for example by variable in length handlebar or struts and may have a servo drive, allow the pivotal movement about the two spatial axes.
- a control device for controlling the respective servo drives of the actuator units which controls the change in length of the respective actuator unit and thus the pivoting movement of the sensor controls.
- a kinematics allows for a lightweight and compact design, a continuous sensor tracking in all directions with optimum force and low to rotating masses. Even with constantly changing coordinates of the target and a moving support structure, such as a flying plane or a moving ship or land vehicle, allows the kinematics of the holder according to the invention, the sensor, for example, a radar antenna continuously track within the structurally predetermined pivoting range.
- An advantageous development of the holder according to the invention is characterized in that at least three spaced-apart sensor side bearings are provided that at least three spaced support structure side bearings are provided that at least three variable length actuator units are provided, each of the actuator units between an associated sensor-side bearing and a associated bearing structure side bearing is provided and that the middle bearing is designed such that it supports the sensor about the kinematic pivot center about three spatial axes pivotally mounted on the support structure.
- This advantageous development of the holder additionally makes it possible to pivot the sensor relative to the support structure about the third spatial axis. This makes it possible for a sensor that is designed as a radar antenna or a
- Radar antenna has to not only track the sensor, but also keep the polarization plane of the antenna always aligned with respect to the target constant.
- this also applies to other types of sensors, which are preferably to be held in a constant alignment with the target, which also applies, for example, to imaging sensors in the field Wavelength range of visible light or in another wavelength range applies.
- the sensor-side bearings each have a kinematic center, by which the respective bearing permits a pivoting movement about three spatial axes.
- the sensor-side bearings are preferably designed as ball-joint-like bearings.
- the kinematic bearing centers of the sensor-side bearings are located in a common plane.
- the supporting-structure-side bearings each have a kinematic bearing center about which the respective bearing permits a pivoting movement about three spatial axes.
- the support structure side bearing are preferably designed as ball-joint-like bearings.
- the kinematic bearing centers of the bearing structure side bearings are located in a common plane.
- the kinematic pivot center of the central bearing is located in the plane of the kinematic bearing centers of the sensor-side bearing or in the plane of the kinematic bearing centers of the bearing structure side bearing.
- the sensor has a transmitting and / or receiving antenna.
- the sensor is designed as a radar sensor and has, for example, a radar antenna.
- the invention is not limited to a radar sensor, but the holder according to the invention is also suitable for other sensors, such as imaging sensors or other types of antennas or, for example, for a depth sounder.
- the invention is not limited to that the sensor has or represents a receiver or an antenna thereof, but it is an alignable functional element, which can be formed according to the definition of the term "sensor" in this application by a transmitting device or an antenna thereof or this may comprise or may represent a combination of transmitting and receiving device or related antennas.
- a transmitting device for example, an energy radiator (for example, a laser emitter) to understand a beam weapon.
- Fig. 1 shows a first embodiment of the holder according to the invention
- FIG. 1A shows an enlarged detail of FIG. 1, illustrating the middle bearing; FIG. 2A to 2D, the holder according to the invention according to claim 1 in four different pivot positions.
- Fig. 3 shows a second embodiment of the present invention
- FIG. 4 different conditions of use for the holder according to the second embodiment shown in Fig. 3.
- a sensor-side support plate 10 is for this purpose connected to a sensor rear wall 20 of the sensor 2.
- the sensor-side support plate 10 of the holder 1 has two spaced-apart sensor-side bearings 22, 24, on which actuator units 4, 5 are articulated.
- the sensor-side bearings 22, 24 are designed ball-joint-like and thus allow a relative pivoting of the respective actuator unit 4, 5 with respect to the sensor-side support plate 10 in all directions about a bearing center.
- the sensor-side support plate 10 further comprises a central or central bearing 7, which supports the sensor-side support plate 10 on a bearing block 12 about two mutually perpendicular spatial axes X, Y.
- the bearing block 12 is provided on a support structure-side support plate 14, which in turn is attached to the support structure 3.
- the support structure-side support plate 14 has two spaced-apart support structure side bearings 32, 34, by means of which the actuator units 4 and 5 are pivotally mounted on the support structure side support plate 14 pivotally about a respective bearing center point.
- the actuator units 4, 5 each have an outer housing body 40, 50 and an inner housing body 42, 52.
- Housing body 42, 52 is received in the associated outer housing body 40, 50 longitudinally displaceable.
- the free end of the inner housing body 42, 52 is articulated by means of the associated sensor-side bearing 22, 24 on the sensor-side support plate 10, as already described.
- the respective free end of the outer housing body 40, 50 is mounted by means of the associated support structure side bearing 32, 34 in the manner already described on the support structure side support plate 14 articulated.
- the actuator units 4, 5 each have a - not shown - actuator, which causes an axial Relatiwerschiebung between the respective outer housing body 40, 50 and the respective inner housing body 42, 52.
- the actuator units 4, 5 may have a known rack drive, worm drive or another translation drive. For particularly fast axial relative movements, it is advantageous to provide a linear drive.
- the bearing center points of the sensor-side bearings 22, 24 and the bearing center of the central bearing 7 lie in a common plane.
- at least one of the sensor-side bearings 22, 24 must be from the first axis X and at least the second of the bearings 24, 22 must be from the axis Y be laterally criticized.
- the central bearing 7 is formed as a universal joint, whereby a gimbal bearing is formed, which pivot about a kinematic pivot point, the pivot point being defined by the intersection of the X and Y axes.
- the pivoting about the pivot point is effected by a length adjustment of at least one of the actuator units 4, 5, whereby the distance between each associated with an actuator unit associated sensor side bearing 22, 24 and this actuator unit associated support structure side bearing 32, 34 is shortened or extended.
- FIG. 2A shows a position in which the sensor 2 is pivoted upward.
- Fig. 2B shows a position in which the sensor 2 (in the direction Z) is pivoted to the bottom right
- Fig. 2C a position in which the sensor 2 is pivoted to the bottom left.
- Fig. 2D shows a position in which the sensor 2 is pivoted directly downwards.
- FIG. An alternative embodiment of the present invention is shown in FIG. Again, the attitude 1 'on a sensor-side support plate 10 which is connected to the sensor 2 and which is connected via a central bearing 8 with a bearing block 12 which is mounted on a support structure-side support plate 14, by means of which the entire support on the Support structure 3 is attached.
- the middle bearing 8 is embodied as a ball joint in the embodiment of the invention shown in FIG. 3, so that this middle bearing 8 surrounds the sensor 2 about the kinematic pivot center of the middle bearing about three spatial axes X, Y, Z pivotally mounted on the support structure 3.
- the kinematic pivot center of this ball joint-like central bearing 8 is the intersection of the three spatial axes X, Y, Z.
- the holder 1 1 comprises three actuator units 4, 5, 6, which are constructed in the same manner as described in connection with FIG.
- sensor-side bearings 22, 24, 26 and support structure side Bearings 32, 34, 36 are mounted on the sensor-side support plate 10 and on the support structure-side support plate 14 ball joint-like manner.
- the three sensor-side bearings 22, 24, 26 form on the sensor-side support plate 10, the corners of a triangle, wherein the ball joint-like central bearing 8 is located in the interior of the triangle.
- Both the bearing centers of the sensor-side bearings 22, 24, 26, and the pivot point of the central bearing 8 lie in a common plane.
- the attachment of the central bearing 8 in the center of the sensor 2 causes when rotating the sensor 2 mass forces via a central point of rotation, namely the bearing center of the central bearing 8, are introduced and so imbalances can be reduced or even prevented.
- the respective other end of the actuator unit 4, 5, 6 is mounted by means of a respective ball-joint-like support structure side bearing 32, 34, 36 on the support structure side support plate 14 in the same manner as has been described in connection with the embodiment of FIG.
- the support structure side bearings 32, 34, 36 form the corners of a triangle, wherein the longitudinal axis Z passes through this triangle.
- the support structure side bearings 32, 34, 36 are in a common plane, so this is not necessarily functional.
- the advantage of the holder 1 shown in Fig. 3 is that the sensor 2 can be pivoted with this holder not only about the two spatial axes X, Y, as is the case in the embodiment of FIG. 1, but that the sensor by means of the holder 1 1 is also pivotable about the longitudinal axis Z around.
- a support structure 3 which is part of an aircraft, then corresponds to the longitudinal axis Z of the roll axis (longitudinal axis) of the aircraft or at least parallel to this.
- the vertical axis X is parallel to the yaw axis (vertical axis) of the aircraft and the transverse axis Y is parallel to the pitch axis (transverse axis) of the aircraft.
- pitch movements of the aircraft can be compensated for by pivoting the sensor 2 about the axis Y by means of the holder 1 '.
- Yaw movements of the aircraft can be compensated by the sensor 2 is pivoted about the vertical axis X, and rolling movements of the aircraft can be compensated by a pivoting of the sensor 2 about the longitudinal axis Z.
- the sensor orthogonal axis M of the sensor 2 is set to a target T and is tracked by compensating for the pitching and yawing movements of the aircraft, but it is also possible that rolling movements of the aircraft are compensated by a rotation of the sensor 2 about the axis Z, so that the sensor 2 with respect to the target T is not rotated about the sensor axis M.
- This is advantageous, for example, in the case of sensors which have a predetermined polarization plane.
- the polarization plane of the sensor 2 with respect to the target T remains stable even when the aircraft performs a rolling motion about the longitudinal axis Z.
- FIG. 4 There are shown different attitudes of an aircraft 9.
- the longitudinal axis Z of the aircraft is aligned directly with the target T.
- a compensation of pitch or yaw movements of the aircraft is not required in this case.
- the aircraft can roll about its longitudinal axis Z, as symbolized by the arrow a.
- this rolling movement can be compensated by pivoting the sensor 2 about the aircraft longitudinal axis Z.
- the illustration B shows an aircraft 9 whose longitudinal axis Z no longer points to the target T, which has meanwhile also moved away from the original position, as shown by the dashed line.
- the aircraft 9 also has in this position with respect to the direction z on the target a yaw motion, performed by the angle ß.
- the yaw angle ⁇ can be compensated for by pivoting the sensor 2 by means of the holder Y about the axis X.
- the aircraft 9 can also perform a rolling movement in the position shown at B, as shown by the arrow b; This rolling movement is compensated by the holder 1 1 by rotation of the sensor 2 about the axis Z.
- the illustration C of the aircraft 9 in FIG. 4 shows a further change in the location of the destination T, assuming that the aircraft does not change its flight direction and attitude shown in FIG.
- the sensor 2 of the aircraft 9 had targeted the target T in the direction represented by the arrow Ci.
- the target T has thereupon changed its position along the dashed arrow line, whereby by controlled pivoting of the sensor 2 about the axes X and Y a tracking of the bearing directed to the target T bearing takes place, as shown by the arrow C 2 .
- the holder of the invention thus allows both a compensation of the position of the target, to which the sensor is aligned, even if the target moves.
- the holder according to the invention also allows a compensation of the position and the position of the sensor, if it is attached to a moving carrier (aircraft, ship, land vehicle or spacecraft).
- a moving carrier aircraft, ship, land vehicle or spacecraft.
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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- General Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Pivots And Pivotal Connections (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10735182A EP2446505A1 (de) | 2009-06-23 | 2010-06-21 | Halterung für einen bewegbaren sensor |
RU2012101942/08A RU2012101942A (ru) | 2009-06-23 | 2010-06-21 | Крепление для выполненного с возможностью перемещения датчика |
KR1020117030701A KR20120138617A (ko) | 2009-06-23 | 2010-06-21 | 이동식 센서용 장착부 |
JP2012516508A JP2012531144A (ja) | 2009-06-23 | 2010-06-21 | 可動センサー用ホルダー |
US13/380,119 US8847845B2 (en) | 2009-06-23 | 2010-06-21 | Holder for a movable sensor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009030239.5 | 2009-06-23 | ||
DE102009030239A DE102009030239A1 (de) | 2009-06-23 | 2009-06-23 | Halterung für einen bewegbaren Sensor |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010149140A1 true WO2010149140A1 (de) | 2010-12-29 |
Family
ID=42969769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2010/000711 WO2010149140A1 (de) | 2009-06-23 | 2010-06-21 | Halterung für einen bewegbaren sensor |
Country Status (7)
Country | Link |
---|---|
US (1) | US8847845B2 (de) |
EP (1) | EP2446505A1 (de) |
JP (1) | JP2012531144A (de) |
KR (1) | KR20120138617A (de) |
DE (1) | DE102009030239A1 (de) |
RU (1) | RU2012101942A (de) |
WO (1) | WO2010149140A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8895836B2 (en) | 2011-10-19 | 2014-11-25 | King Saud University | Dual axis solar tracker apparatus and method |
US9376221B1 (en) * | 2012-10-31 | 2016-06-28 | The Boeing Company | Methods and apparatus to point a payload at a target |
CN106595586A (zh) * | 2016-12-13 | 2017-04-26 | 卢易扬 | 台面能朝任意方向自由倾斜的检测台 |
US11495872B2 (en) * | 2019-07-03 | 2022-11-08 | Commscope Technologies Llc | Single point heavy duty monopole platform |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102011119392A1 (de) * | 2011-11-24 | 2013-05-29 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Justierbare Halterungsvorrichtung für Sensoren |
EP2608313B1 (de) * | 2011-12-23 | 2019-02-13 | MacDonald, Dettwiler and Associates Corporation | Antennenausrichtungssystem |
US9172128B2 (en) * | 2011-12-23 | 2015-10-27 | Macdonald, Dettwiler And Associates Corporation | Antenna pointing system |
US8866695B2 (en) * | 2012-02-23 | 2014-10-21 | Andrew Llc | Alignment stable adjustable antenna mount |
FR3028099B1 (fr) * | 2014-10-29 | 2016-12-23 | Thales Sa | Dispositif d'orientation d'un element mobile du type plateau d'antenne |
WO2017006680A1 (ja) * | 2015-07-07 | 2017-01-12 | 古野電気株式会社 | アンテナ |
CN105465567A (zh) * | 2015-12-25 | 2016-04-06 | 无锡信大气象传感网科技有限公司 | 一种探测器俯仰安装架 |
ITUB20159411A1 (it) * | 2015-12-28 | 2017-06-28 | Stellar Project S R L | Sistema di puntamento stabilizzato compatto |
JP6801013B2 (ja) | 2016-06-24 | 2020-12-16 | ビ−エイイ− システムズ パブリック リミテッド カンパニ−BAE SYSTEMS plc | 航空機のレーダーアセンブリ |
GB201611020D0 (en) * | 2016-06-24 | 2016-08-10 | Bae Systems Plc | Aircraft radar assembly |
US10215861B2 (en) * | 2016-07-26 | 2019-02-26 | Toyota Motor Engineering & Manufacturing North America, Inc. | Track for vehicle environment sensors |
CN108773331B (zh) * | 2018-04-20 | 2020-06-30 | 中国北方车辆研究所 | 一种新型嵌套式平台机构 |
US10556553B2 (en) * | 2018-05-15 | 2020-02-11 | Veoneer Us, Inc. | Vehicle camera mounting interfaces |
US11652269B2 (en) * | 2018-10-17 | 2023-05-16 | Airbus Defence and Space S.A. | Articulated mechanism and articulated aiming system comprising the mechanism |
DE102020000669A1 (de) | 2020-01-31 | 2021-08-05 | Mbda Deutschland Gmbh | Richtplattform, Sensorsystem, Luftfahrzeug und Verfahren zum Betreiben einer Richtplattform |
US11644375B2 (en) * | 2020-09-03 | 2023-05-09 | GM Global Technology Operations LLC | Insertion force measurement system |
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EP1589611A1 (de) * | 2003-01-30 | 2005-10-26 | Sumitomo Electric Industries, Ltd. | Linsenantennensystem |
WO2009076394A1 (en) * | 2007-12-12 | 2009-06-18 | Moser Mark K | Light source tracker |
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US4251819A (en) * | 1978-07-24 | 1981-02-17 | Ford Aerospace & Communications Corp. | Variable support apparatus |
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EP0266026A1 (de) * | 1986-08-01 | 1988-05-04 | HER MAJESTY THE QUEEN in right of New Zealand Department of Scientific and Industrial Research | Nachführantenne |
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JP2003133824A (ja) * | 2001-10-29 | 2003-05-09 | Tasada Kosakusho:Kk | 衛星通信用アンテナ装置 |
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2009
- 2009-06-23 DE DE102009030239A patent/DE102009030239A1/de not_active Ceased
-
2010
- 2010-06-21 RU RU2012101942/08A patent/RU2012101942A/ru unknown
- 2010-06-21 US US13/380,119 patent/US8847845B2/en active Active
- 2010-06-21 EP EP10735182A patent/EP2446505A1/de not_active Withdrawn
- 2010-06-21 WO PCT/DE2010/000711 patent/WO2010149140A1/de active Application Filing
- 2010-06-21 KR KR1020117030701A patent/KR20120138617A/ko not_active Application Discontinuation
- 2010-06-21 JP JP2012516508A patent/JP2012531144A/ja active Pending
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Publication number | Priority date | Publication date | Assignee | Title |
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US4415130A (en) * | 1981-01-12 | 1983-11-15 | Westinghouse Electric Corp. | Missile system with acceleration induced operational energy |
EP1589611A1 (de) * | 2003-01-30 | 2005-10-26 | Sumitomo Electric Industries, Ltd. | Linsenantennensystem |
WO2009076394A1 (en) * | 2007-12-12 | 2009-06-18 | Moser Mark K | Light source tracker |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8895836B2 (en) | 2011-10-19 | 2014-11-25 | King Saud University | Dual axis solar tracker apparatus and method |
US9376221B1 (en) * | 2012-10-31 | 2016-06-28 | The Boeing Company | Methods and apparatus to point a payload at a target |
US10735088B2 (en) | 2012-10-31 | 2020-08-04 | The Boeing Company | Methods and apparatus to point a payload at a target |
CN106595586A (zh) * | 2016-12-13 | 2017-04-26 | 卢易扬 | 台面能朝任意方向自由倾斜的检测台 |
CN106595586B (zh) * | 2016-12-13 | 2019-04-05 | 卢易扬 | 台面能朝任意方向自由倾斜的检测台 |
US11495872B2 (en) * | 2019-07-03 | 2022-11-08 | Commscope Technologies Llc | Single point heavy duty monopole platform |
Also Published As
Publication number | Publication date |
---|---|
US8847845B2 (en) | 2014-09-30 |
KR20120138617A (ko) | 2012-12-26 |
JP2012531144A (ja) | 2012-12-06 |
US20120119973A1 (en) | 2012-05-17 |
RU2012101942A (ru) | 2013-07-27 |
DE102009030239A1 (de) | 2010-12-30 |
EP2446505A1 (de) | 2012-05-02 |
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