WO2007107051A1 - Dispositif de commande destiné à réguler les angles d'inclinaison du faisceau électrique d'une antenne de communication mobile - Google Patents

Dispositif de commande destiné à réguler les angles d'inclinaison du faisceau électrique d'une antenne de communication mobile Download PDF

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Publication number
WO2007107051A1
WO2007107051A1 PCT/CN2006/000811 CN2006000811W WO2007107051A1 WO 2007107051 A1 WO2007107051 A1 WO 2007107051A1 CN 2006000811 W CN2006000811 W CN 2006000811W WO 2007107051 A1 WO2007107051 A1 WO 2007107051A1
Authority
WO
WIPO (PCT)
Prior art keywords
adjusting
control device
mobile communication
communication antenna
motor
Prior art date
Application number
PCT/CN2006/000811
Other languages
English (en)
Chinese (zh)
Inventor
Hongbin Duan
Yingyu Liu
Original Assignee
Comba Telecom Technology (Guangzhou) Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Comba Telecom Technology (Guangzhou) Ltd. filed Critical Comba Telecom Technology (Guangzhou) Ltd.
Priority to BRPI0610658-7A priority Critical patent/BRPI0610658B1/pt
Publication of WO2007107051A1 publication Critical patent/WO2007107051A1/fr

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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
    • H01Q3/02—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
    • 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
    • H01Q3/32—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 mechanical means

Definitions

  • Control device for adjusting electric downtilt angle of mobile communication antenna
  • the present invention relates to a control device for adjusting an electric downtilt angle of an antenna, and more particularly to a control device for adjusting an electric downtilt angle of a mobile communication antenna.
  • a mobile communication base station antenna is usually tilted downward relative to a horizontal line by a certain angle, called an antenna downtilt or a depression angle.
  • an antenna downtilt or a depression angle By adjusting the downtilt angle, the radiation effect of the base station is directly affected.
  • the adjustment of the downtilt angle of the base station antenna is mainly implemented in two ways, that is, one way is to tilt the antenna to a certain physical angle when it is installed, that is, a so-called mechanical downtilt angle, and the other way is to change only the different radiating elements of the antenna.
  • the phase of the antenna deflects the beam direction of the antenna downwards, the so-called electrical downtilt.
  • the adjustable down-tilt antenna can overcome the above drawbacks and is therefore more and more widely used.
  • the method of adjusting the electric downtilt angle of the antenna is to set the phase shifter in the antenna protective cover, and adjust the phase shifter to change the feeding phase of the different radiating elements of the antenna, so that the radiation beam direction of the antenna is downward. Tilt to a certain angle, the so-called antenna electric downtilt.
  • the phase shifter is usually passive. It does not have the function of accepting commands and operating. This requires a dedicated control device to accept the control commands and operate the corresponding control mechanism to make the phase shifter make appropriate adjustments.
  • the antenna is brought to the desired electrical downtilt angle.
  • the control device there are two installation methods for the control device, one is to install the control device in the antenna cover housing, and is integrated with the antenna; the other is to install the control device on the antenna protection. Outside the cover case, it is connected to the interface on the lower end mounting plate of the antenna cover by threads or bolts, and it can be freely installed or removed from the antenna.
  • One prior art technique is to insert the joystick of the adjustment phase shifter directly from the opening of the control device into the interior thereof, so that the displacement of the joystick is used as a control element of the control device, so that the control device is matched with the joystick.
  • the stroke or displacement of the joystick may be different, so the control device must also be changed accordingly.
  • An object of the present invention is to overcome the above-mentioned deficiencies and to provide a control apparatus for adjusting an electric downtilt angle of a mobile communication antenna which can more accurately adjust an electric downtilt angle and has high versatility.
  • the control device for adjusting the electric downtilt angle of the mobile communication antenna comprises a casing and a control module disposed in the casing, the motor, the transmission mechanism, and the extension casing and phase shifting with the antenna
  • the transmission mechanism of the adjustment device of the device cooperates with the transmission shaft, wherein the transmission mechanism includes a planetary gear mechanism and a torque limiting mechanism, and the rotating shaft of the motor is coupled to the planetary gear mechanism, and the planetary gear mechanism is provided with an output shaft extending through the torque limiting mechanism and
  • the drive shaft is directly or indirectly connected, and the control module is electrically connected to the motor to realize control of the motor.
  • the output shaft is meshed with the drive shaft via a gear mechanism.
  • the gear mechanism includes a retracting gear fixed to an end of the output shaft and a cam fixed to the propeller shaft, and the distracting gear meshes with the external teeth of the cam, whereby the output shaft can be driven to rotate the transmission shaft.
  • a periphery of the drive shaft is provided with a socket and a threaded connection that cooperate with the connecting pipe of the adjusting device of the antenna phase shifter.
  • the outer circumference of the connecting pipe is further provided with a plurality of ribs (or grooves) to increase the friction force, and cooperate with the groove (or the rib) of the inner circumference of the connecting pipe to prevent the mosquito mosquito from being connected due to the rotation of the control device during the working process. The pieces are loose.
  • the planetary gear mechanism includes a ring gear, a sleeve, an output shaft, a turntable, a sun gear and a planetary wheel.
  • the sun gear is fixed on a rotating shaft of the motor
  • the ring gear is placed in the sleeve
  • the output shaft is fixed on the turntable.
  • the bottom surface of the turntable is provided with a mandrel
  • the planetary wheel is pivotally disposed on the mandrel and respectively meshes with the sun gear and the gum.
  • a base is fixed in the casing, and the base has a vertical mounting plate.
  • the motor and the planetary gear mechanism are respectively disposed on two sides of the vertical mounting plate on the base.
  • the torque limiting mechanism includes a stopper, a pressing piece, an elastic member, and a gland for the output shaft to pass through, the sleeve is provided with an opening for receiving the stopper, and the pressing pad is set at the stop.
  • the elastic member is placed on the pressing piece, and the pressing cover sleeves the locking member, the pressing piece and the elastic member and locks with the sleeve; the outer end surface of the ring gear is made of A protrusion or groove in which the stopper cooperates.
  • the control module includes a control board, a first electronic switch for measuring the number of rotation pulses of the transmission shaft, and a second electronic switch for controlling the rotation of the motor, the first electronic switch and the second electronic switch And the motor is electrically connected to the control board, and the control board is connected with a power cable interface.
  • the first electronic switch is fixed in the casing, and has a counting probe mounted with the cam.
  • the first electronic switch measures the number of rotation pulses of the transmission shaft through the cam, and can be adjusted by controlling the number of pulses. And controlling the phase shifter also controls the electrical downtilt of the antenna.
  • the pressure-receiving mechanism has a receiving groove on one side of the gland, and a second electronic switch is disposed on the receiving groove.
  • the pressing piece is provided with a protruding contact for contacting the second electronic switch.
  • a power supply and a signal connector are disposed outside the casing, and the power supply and the signal connector are electrically connected to the control board.
  • the planetary gear mechanism can decelerate the motor output speed, but a more advantageous function is that it cooperates with the torque limiting mechanism to prevent the overload torque from adversely affecting or damaging the motor and/or the control board.
  • the stopper restricts the rotation of the ring gear of the planetary gear mechanism under the action of the elastic member, and the limiting rotational torque applied to the gum is adjustable or set by the elastic member, and the rotational torque of the ring gear is less than
  • the ring gear is prevented from rotating by the stopper.
  • the ring gear presses the stopper to compress the elastic member, and the stopper retracts, and the ring gear can be rotated. Rotate to release the overload torque, and at the same time, the tablet is displaced by the action of the stopper, and the second electronic switch is triggered to generate an electric pulse, and then an instruction is issued to stop the motor.
  • control device of the present invention does not need to change the internal structure due to the difference in the stroke of the operating member of the antenna phase shifter adjusting device, and is a general control device for the antenna phase shifter adjusting device, which helps to unify The standard allows each control device to achieve a more precise adjustment of the electrical downtilt to the adjustment device of the antenna phase shifter described above.
  • FIG. 1 is a schematic view showing the internal structure of an antenna used in conjunction with the present invention
  • FIG. 2 is a schematic view showing the assembly of the control device and the antenna adjusting device of the present invention
  • Figure 3 is an enlarged view of a portion A in Figure 2;
  • Figure 4 is a perspective view of the internal structure of the present invention.
  • Figure 5 is a schematic view showing the planetary gear mechanism, the torque limiting mechanism, the gear mechanism and the transmission shaft of the present invention
  • Figure 6 is a plan view of the present invention. ⁇ detailed description ⁇
  • the wireless mobile communication base station antenna to which the present invention pertains is shown in a front view, and the basic structure of the antenna phase shifter adjusting device can be seen from Fig. 1.
  • the mobile communication base station antenna usually has a plurality of radiating elements 11 . By changing the feeding phase of the different radiating elements 11 , the radiation direction of the antenna beam can be changed to obtain the required electric downtilt angle, which is adjusted accordingly.
  • the phase device (not shown) performs the adjustment device for adjusting the electric downtilt angle of the mobile communication antenna:
  • the adjusting device comprises a gear 21 rack 22 mechanism, a screw 31 transmission nut 32 mechanism, a transmission rod 23, a connecting tube 33 and an operating member 34.
  • the gear 21 is fixedly coupled to the rotating shaft of the phase shifter, and the rack 22 Fixedly connected to the transmission rod 23, the transmission rod 23 is supported by the transmission rod support 17 fixed on the antenna metal reflector 1 and can slide axially along the transmission rod support 17, and one or more of the transmission rods can be fixedly connected thereto.
  • the rack 22, and through the interaction of the gear 21 coupled thereto, drives one or more phase shifters to operate, and the phase shifter and the transmission rod 23 can be mounted on the back of the reflector 1 or on the metal reflector In the front side of 1, the phase shifter in Fig.
  • the transmission nut 32-terminal is fixedly connected to the transmission rod 23, and the other end has an internally threaded hole (not shown) and is coupled with the screw 31.
  • the transmission nut 32 is not restricted by the transmission rod 23 and can only move linearly.
  • the screw 31 is fixedly connected to the operating member 34, and the other end is supported by a screw support 19 fixed to the metal reflector 1.
  • the connecting member 34 and the screw 31 are provided with a thrust member 10 for restricting the operating member 34. The axial movement is such that it cannot move linearly and can only be rotated, and the thrust member 10 can be the snap ring 10.
  • the operating member 34 is led out to the outside of the antenna, and the connecting tube 33 is fixed to the opening through which the operating member 34 passes through the nut 37.
  • the opening is provided on the mounting plate 13 of the base station antenna (the mounting plate can also be made of the metal reflecting plate 1) The end is bent).
  • One end of the angle indicator 14 in the antenna protection cover is fixed on the transmission rod 23 via a connecting member 12, and moves linearly with the transmission rod 23, and the other end protrudes out of the antenna protection cover through the opening of the antenna cover 16
  • the angle indicator 14 is engraved with a value indicating the electric downtilt angle of the antenna, and the current electric downtilt angle of the antenna can be visually read.
  • the angle indicator 14 can also be attached indirectly to the transmission nut 32 either directly or through the connector 12.
  • the head of the operating member 34 is provided with a slot for operation or control, the slot being of a shape other than a circular shape.
  • the control device for adjusting the electric downtilt angle of the mobile communication antenna and the antenna cooperates (refer to FIG. 2 and FIG. 3), and includes a casing 4 composed of an upper cover 41, a casing 42, and a lower cover 43, and a control module disposed in the casing 4, a motor 5, a transmission mechanism, and a base 45. And a drive shaft 81 that extends out of the casing 4 and is coupled to the operating member 34 (see Figs. 1 and 3) of the adjusting device of the antenna phase shifter.
  • the base 45 is mounted on the upper cover 41 of the casing 4.
  • the transmission mechanism comprises a planetary gear mechanism and a torque limiting mechanism.
  • the planetary gear mechanism includes a ring gear 61, a sleeve 62, an output shaft 630, a turntable 63, a sun gear 64, and three planetary gears 65.
  • the sleeve 62 is a support member of the planetary gear mechanism.
  • the ring gear 61 is disposed in the sleeve 62.
  • the sun gear 64 is fixed on the rotating shaft of the motor 5.
  • the output shaft 630 is fixed on the turntable 63 and passes through the opening of the gingil 61 and the sleeve 62 (not As shown in the figure, and after passing through the torque limiting mechanism, it is directly or indirectly connected to the drive shaft 81.
  • a mandrel (not shown) is disposed on the bottom surface of the turntable 63, and the planetary gears 65 are pivotally mounted on the mandrel and mesh with the sun gear 64 and the ring gear 61, respectively.
  • the output shaft 630 and the drive shaft 81 are realized by indirect connection.
  • the base 45 has a vertical mounting plate 451, the rotating shaft of the motor 5 is coupled to the planetary gear mechanism, and the motor 5 and the planetary gear mechanism are attached to both sides of the vertical mounting plate 451 for support.
  • the output shaft 630 is meshed with the drive shaft 81 via a gear mechanism.
  • the gear mechanism includes a shift gear 82 fixed to the end of the output shaft 630 and a cam 83 fixed to the drive shaft 81.
  • the shift gear 82 meshes with the external teeth of the cam 83, whereby the drive shaft 81 can be driven by the output shaft 630.
  • a peripheral end of the transmission shaft 81 is provided with a connecting pipe 91 coupled with a connecting pipe 33 (see FIGS. 1 and 3) of the adjusting device of the antenna phase shifter, and a peripheral sleeve of the connecting pipe 91 is provided.
  • Threaded connection member 92, a retaining ring 93 is further disposed between the threaded connecting member 92 and the connecting tube 91 to restrict the threaded connecting member 92 from being detached, and the threaded connecting member 92 can be screwed with the connecting tube 91.
  • the outer circumference of the connecting pipe 91 is further provided with a plurality of ribs (or grooves) 912 at the circumference of the connecting pipe 91 to be coupled with the groove (or the rib) of the connecting pipe 33 of the adjusting device to increase friction to prevent the working process.
  • the threaded connection member 92 may be loosened and the threaded connection of the connecting tube 33 may be loosened, and the sealing member 94 is used to seal the gap between the connecting tube 91 and the connecting tube 33 (refer to FIG. 6).
  • the torque limiting mechanism includes a stopper 71, a pressing piece 72, an elastic member 73, and a gland 74 through which the output shaft 630 can pass.
  • the stopper 71 adopts a steel ball
  • the elastic member 73 The spring 62 is provided with an opening for receiving the stopper 71.
  • the pressing piece 72 is placed on the stopper 71, and the elastic member 73 is placed on the pressing piece 72.
  • the pressing cover 74 will stop.
  • the member 71, the pressing piece 72 and the elastic member 73 are sleeved therein and locked with the sleeve 62; the outer end surface of the ring gear 61 is formed with a protrusion 612 or a concave portion that cooperates with the stopper 71. groove.
  • the control module is electrically connected to the motor 5 to implement control of the motor 5.
  • the control module includes a control board 51, a first electronic switch 52 for measuring the number of rotation pulses of the transmission shaft 81, and a second electronic switch 53 for controlling the rotation of the motor 5, the first electronic switch 52 and the second electronic switch 53.
  • the motor 5 is electrically connected to the control board 51.
  • the control board 51 is placed in the casing 4 and is connected with a power cable interface (not shown).
  • the first electronic switch 52 is fixed in the casing 4, and has a counting probe 522, which is mounted in cooperation with the cam 83.
  • the first electronic switch 52 measures the number of rotation pulses of the transmission shaft 81 through the cam 83, and controls The number of pulses can be used to regulate and control the phase shifter, that is, to control the electrical downtilt angle of the antenna.
  • the cover 74 is provided with a receiving groove 741, and the second electronic switch 53 is mounted on the receiving groove 741.
  • the pressing piece 72 is provided with an external protrusion for resisting the second electron. Contact 721 of switch 53.
  • the steel ball stopper 71 is pressed against the end surface of the ring gear 61 through the opening of the sleeve 62, and the projection 612 or groove of the outer end surface of the tooth shank 61 is made of steel.
  • the ball interaction prevents the rotation of the ring gear 61, and the torque that prevents the rotation can be adjusted by the elastic member 73.
  • the ring gear 61 presses the steel ball to retract it, at which time the ring gear 61 can be rotated through a certain angle to release the overload torque, and at the same time, the pressing piece 72 is displaced and acts on the second electronic switch 53 to generate a pulse signal and pass
  • the control board 51 issues an instruction to stop the motor 5 from rotating.
  • the power supply and signal connectors 55 and 56 are disposed outside the lower cover 43 of the casing 4, and the power and signal connectors 55 and 56 are electrically connected to the control board 51 through the power cable interface (not shown).
  • the power and signal connectors 55 are 56 in two different plug-in forms.
  • the planetary gear mechanism can decelerate the output speed of the motor 5, but a more advantageous function is that it cooperates with the torque limiting mechanism to prevent the overload torque from adversely affecting or damaging the motor 5 and/or the control board 51.
  • the adjusting device of the antenna phase shifter matched with the present invention is provided with two terminal stops (not shown), which respectively represent the maximum or minimum adjustment position of the phase shifter, and when the control device performs self-calibration, the stroke reaches any one of them. After the end stop position, it will return to the other end stop, and the control panel 51 will store the number of rotation pulses of the transmission shaft 81 in the stroke between the two end stop positions, and thereby the number of pulses per unit angle can be calculated. Therefore, the antenna can be adjusted to any electrical downtilt angle by controlling the number of pulses.
  • the self-calibrating and antenna-adjusted angle or position data of the control unit is stored in a memory, such as an EEPROM, preferably having a power-down data protection function, such that the control unit can adjust the antenna up or down relative to the current position.
  • a memory such as an EEPROM, preferably having a power-down data protection function, such that the control unit can adjust the antenna up or down relative to the current position.
  • the initial ID address of the control unit is also stored in the storage In the device, after the control device is used or initialized, the addressing instruction reads the address and can be rewritten, and then saved in the memory.
  • the control device may comprise two power and signal connectors 55, 56 through which the control device can be connected to a dedicated command device or a computer with matching control software or also to a base station device and controlled by instructions.
  • An interface can be coupled to other control devices and controlled by the same command device by addressing means whereby one control device can be used to control one or more control devices to adjust the electrical downtilt of one or more antennas.
  • the control device and the command device or base station device can be connected by cable or wirelessly.
  • the invention is more convenient to cooperate with the adjusting device of the antenna phase shifter, and can be unified into the same standard component, which highlights the mutual independence between the control device and the adjusting device, facilitates mass production, and enhances the control device. Adaptability.

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Abstract

Un dispositif de commande destiné à réguler les angles d'inclinaison du faisceau électrique d'une antenne de communication mobile comprend: un boîtier; et un module de commande, un moteur, un mécanisme d'entraînement et un axe d'entraînement disposé dans le boîtier. L'axe d'entraînement s'étend hors du boîtier et s'adapte au manipulateur du dispositif de réglage du décaleur de phase d'antenne. Le mécanisme d'entraînement comprend un mécanisme de roue planétaire et un mécanisme de restriction de moment de force. L'arbre rotatif du moteur est relié à la roue planétaire et directement ou indirectement relié à l'axe d'entraînement. Le module de commande est relié électriquement au moteur, de manière à réaliser la commande du moteur. Le dispositif de commande possède une grande polyvalence, et ne nécessite aucun changement de la structure interne du dispositif de commande pour les différents déplacements de mécanisme du décaleur de réglage de phase d'antenne, ce qui est un grand avantage en vue d'établir une norme uniforme.
PCT/CN2006/000811 2006-03-23 2006-04-26 Dispositif de commande destiné à réguler les angles d'inclinaison du faisceau électrique d'une antenne de communication mobile WO2007107051A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BRPI0610658-7A BRPI0610658B1 (pt) 2006-03-23 2006-04-26 Dispositivo de controle para ajuste do ângulo inferior elétrico de uma antena em uma comunição móvel

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610034641.4 2006-03-23
CNB2006100346414A CN100559655C (zh) 2006-03-23 2006-03-23 调整移动通信天线电下倾角的控制装置

Publications (1)

Publication Number Publication Date
WO2007107051A1 true WO2007107051A1 (fr) 2007-09-27

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Application Number Title Priority Date Filing Date
PCT/CN2006/000811 WO2007107051A1 (fr) 2006-03-23 2006-04-26 Dispositif de commande destiné à réguler les angles d'inclinaison du faisceau électrique d'une antenne de communication mobile

Country Status (3)

Country Link
CN (1) CN100559655C (fr)
BR (1) BRPI0610658B1 (fr)
WO (1) WO2007107051A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109244671A (zh) * 2018-11-06 2019-01-18 深圳市鑫龙通信技术有限公司 一种天线换挡机构
US10320076B2 (en) * 2015-12-17 2019-06-11 Tongyu Communication Inc. Antenna transmission device and antenna
US10910707B2 (en) * 2017-03-17 2021-02-02 Comba Telecom Technology (Guangzhou) Limited Transmission device and antenna down-tilt control system
US11056782B2 (en) * 2017-09-22 2021-07-06 Comba Telecom Technology (Guangzhou) Limited Linked locking mechanism and antenna down-tilt angle control device
EP4026197A4 (fr) * 2019-09-06 2023-09-20 CommScope Technologies LLC Antennes de station de base d'inclinaison électronique à distance et étalonnage mécanique pour de telles antennes

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EP2096710A4 (fr) * 2006-12-19 2009-12-23 Rymsa Dispositif permettant de commander à distance l'angle d'inclinaison du diagramme de rayonnement d'une antenne
CN102122758A (zh) * 2010-12-24 2011-07-13 网拓(上海)通信技术有限公司 一种电下倾角可电动调节的基站天线及其控制方法
CN102157767B (zh) * 2011-03-28 2014-06-11 京信通信系统（中国）有限公司 同轴介质移相系统、移相器及移相驱动装置
WO2017113274A1 (fr) * 2015-12-31 2017-07-06 华为技术有限公司 Antenne comprenant un dispositif de formation de faisceaux
CN105896078A (zh) * 2016-06-16 2016-08-24 南京华脉科技股份有限公司 一种水平方位可电调控制的天线
CN106159441B (zh) * 2016-08-04 2021-08-20 京信通信技术(广州)有限公司 角度指示器、下倾角显示装置及天线
CN107084233B (zh) * 2017-05-18 2019-07-30 广东通宇通讯股份有限公司 一种移相器传动装置和天线
CN108918077B (zh) * 2018-05-22 2019-11-22 中国航空工业集团公司哈尔滨空气动力研究所 一种低速风洞颤振试验机翼模型支撑装置
CN110149136A (zh) * 2019-05-10 2019-08-20 龙阿秀 一种自动偏转天线的电子信息无线信号放大器
CN110649362B (zh) * 2019-09-30 2021-04-16 武汉虹信科技发展有限责任公司 电调天线传动系统

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JPH10276031A (ja) * 1997-03-28 1998-10-13 Toyota Central Res & Dev Lab Inc 指向性ビーム制御装置
WO2004077611A1 (fr) * 2003-02-24 2004-09-10 Jaybeam Limited Antenne de radiocommunication a depointage du lobe de rayonnement par dephaseur variable
CN1541430A (zh) * 2001-02-01 2004-10-27 �����ɷ� 调整尤其属于基站的移动无线电通信天线的不同俯角的控制装置及所属天线和俯角改变方法

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Publication number Priority date Publication date Assignee Title
JPH10276031A (ja) * 1997-03-28 1998-10-13 Toyota Central Res & Dev Lab Inc 指向性ビーム制御装置
CN1541430A (zh) * 2001-02-01 2004-10-27 �����ɷ� 调整尤其属于基站的移动无线电通信天线的不同俯角的控制装置及所属天线和俯角改变方法
WO2004077611A1 (fr) * 2003-02-24 2004-09-10 Jaybeam Limited Antenne de radiocommunication a depointage du lobe de rayonnement par dephaseur variable

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10320076B2 (en) * 2015-12-17 2019-06-11 Tongyu Communication Inc. Antenna transmission device and antenna
US10910707B2 (en) * 2017-03-17 2021-02-02 Comba Telecom Technology (Guangzhou) Limited Transmission device and antenna down-tilt control system
US11056782B2 (en) * 2017-09-22 2021-07-06 Comba Telecom Technology (Guangzhou) Limited Linked locking mechanism and antenna down-tilt angle control device
CN109244671A (zh) * 2018-11-06 2019-01-18 深圳市鑫龙通信技术有限公司 一种天线换挡机构
CN109244671B (zh) * 2018-11-06 2023-08-18 深圳市鑫龙通信技术有限公司 一种天线换挡机构
EP4026197A4 (fr) * 2019-09-06 2023-09-20 CommScope Technologies LLC Antennes de station de base d'inclinaison électronique à distance et étalonnage mécanique pour de telles antennes
US11984663B2 (en) 2019-09-06 2024-05-14 Commscope Technologies Llc Remote electronic tilt base station antennas and mechanical calibration for such antennas

Also Published As

Publication number Publication date
BRPI0610658A2 (pt) 2010-07-13
CN1822437A (zh) 2006-08-23
BRPI0610658B1 (pt) 2020-01-07
CN100559655C (zh) 2009-11-11

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