CN108963414A - A kind of perpendicular device of efficient antenna - Google Patents

A kind of perpendicular device of efficient antenna Download PDF

Info

Publication number
CN108963414A
CN108963414A CN201810651349.XA CN201810651349A CN108963414A CN 108963414 A CN108963414 A CN 108963414A CN 201810651349 A CN201810651349 A CN 201810651349A CN 108963414 A CN108963414 A CN 108963414A
Authority
CN
China
Prior art keywords
antenna
fixedly installed
bottom plate
bar
plays
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
Application number
CN201810651349.XA
Other languages
Chinese (zh)
Other versions
CN108963414B (en
Inventor
骆仁星
董春俊
李小洪
陈康
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Taihe Electrification Co Ltd
Original Assignee
Hubei Taihe Electrification Co 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 Hubei Taihe Electrification Co Ltd filed Critical Hubei Taihe Electrification Co Ltd
Priority to CN201810651349.XA priority Critical patent/CN108963414B/en
Publication of CN108963414A publication Critical patent/CN108963414A/en
Application granted granted Critical
Publication of CN108963414B publication Critical patent/CN108963414B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/1235Collapsible supports; Means for erecting a rigid antenna

Landscapes

  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

The present invention relates to fields of communication technology, especially a kind of efficient antenna plays perpendicular device, including bottom plate, bottom plate upper end side is fixedly installed with rectangular block, rectangular block upper end two sides are fixedly installed with the second fixed plate, the second fixed link is fixedly installed between the second fixed plate of two sides, sliding is provided with sliding seat in second fixed link, sliding seat upper end two sides are hinged with hinge bar, bottom plate upper center is provided with antenna by rotational structure and plays vertical bar, and antenna plays vertical bar upper and lower ends and is symmetrically installed with first connecting rod, the hinge bar other end is hinged on antenna and rises on the first connecting rod of vertical bar upper end, base plate interior offers cavity, cavity inside is fixedly installed with controller far from the side of rectangular block.The device can control mast, and position and angle lateral displacement, rotation are holded up or are withdrawn as required, and only need people's button press with regard to operations such as the flexible of achievable mast, perpendicular, withdrawals.

Description

A kind of perpendicular device of efficient antenna
Technical field
The present invention relates to fields of communication technology more particularly to a kind of efficient antenna to play perpendicular device.
Background technique
Antenna is a kind of converter, and the guided wave propagated on transmission line is transformed into the electricity propagated in unbounded medium by it Magnetic wave, or carry out opposite transformation.It is used to emit or receive the component of electromagnetic wave in wireless device.Radio communication, The engineering systems such as broadcast, TV, radar, navigation, electronic countermeasure, remote sensing, radio astronomy, it is all to use electromagnetic waves to transmitting information , antenna is depended on to work.In addition, the energy radiation of non-signal is also required to day in terms of transmitting energy with electromagnetic wave Line.General antenna all has invertibity, i.e., both can be used as transmitting antenna with common antenna, it is also possible to make receiving antenna.On the same day Line is identical as transmitting or received fundamental characteristics parameter.Communication engineering antenna in use, generally requiring antenna Bar carried out it is perpendicular, it is traditional to play perpendicular mode to be that manpower rises perpendicular, how to fix, so not only inefficiency, but also greatly waste It is poor to play perpendicular effect for manpower and material resources.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of efficient antenna proposed rises and erects Device.
To achieve the goals above, present invention employs following technical solutions:
A kind of perpendicular device of efficient antenna is designed, including bottom plate, bottom plate upper end side are fixedly installed with rectangular block, Rectangular block upper end two sides are fixedly installed with the second fixed plate, are fixedly installed with second between the second fixed plate described in two sides Fixed link, sliding is provided with sliding seat in second fixed link, and sliding seat upper end two sides are hinged with hinge bar, described Bottom plate upper center is provided with antenna by rotational structure and plays vertical bar, and antenna plays vertical bar upper and lower ends and is symmetrically installed with first Connecting rod, the hinge bar other end are hinged on antenna and rise on the first connecting rod of vertical bar upper end, and the antenna rises and opens on vertical bar Equipped with antenna placing groove, the antenna of antenna placing groove lower end, which rises, is fixedly installed with arc shrouds, the arc sleeve outside vertical bar Pipe inside two sides pass through slide construction and are provided with arc-shaped limit bar, are fixedly installed with the second bullet between the arc-shaped limit bar Spring, and second spring is located in arc shrouds, the base plate interior offer cavity, the cavity inside far from rectangular block one Side is fixedly installed with controller, and the side adjacent with controller is fixedly installed with signal adapter, the signal in the cavity Converter upper center is fixedly installed with switch button, is provided with startup structure on the bottom plate of the switch button upper end, described The signal adapter other side is provided with AC servo motor, is fixedly connected with conducting wire between the controller and signal adapter, Conducting wire is fixedly connected between the signal adapter and AC servo motor, the output shaft of the AC servo motor is fixed to be connected It is connected to shaft, external screw thread is provided in the shaft, rotation is provided with nut in the shaft outside the external screw thread, and nut passes through Connecting structure is fixedly connected with sliding seat bottom.
Preferably, the rotational structure includes being symmetrically mounted on the fixing seat of bottom plate upper end, fixed between the fixing seat Third fixed link is installed, rotation is provided with rotational sleeve in the third fixed link, and antenna plays the first of vertical bar bottom and connects Extension bar is fixedly mounted on rotational sleeve.
Preferably, the slide construction includes being provided with the first sliding groove of arc shrouds both sides external and being fixedly mounted on The push rod of arc-shaped limit bar opposite exterior lateral sides, and push rod is slidably arranged in first sliding groove.
Preferably, the startup structure includes being fixedly mounted on the first fixed plate of bottom plate upper end side, and described first is solid Compression bar is provided on fixed board, and compression bar through the first fixed plate and bottom plate and extends to switch button upper end, at the top of the compression bar It is fixedly installed with pressing plate, the first spring is provided between the pressing plate and the first fixed plate, and the first spring is set on compression bar.
Preferably, the shaft is provided with bearing block, and the bearing block other end far from one end rotation of AC servo motor It is fixedly mounted on base plate interior.
Preferably, the connecting structure includes the second connecting rod being fixedly mounted between sliding seat and nut and opens up Second sliding slot in rectangular block, and second sliding slot is connected through rectangular block with bottom plate and with cavity, second connecting rod It is slidably arranged in second sliding slot.
Preferably, the bottom plate upper end is symmetrically installed with the first fixed link far from the side of rectangular block, and described first is fixed Bar upper end is fixedly installed with antenna placement plate.
A kind of efficient antenna proposed by the present invention plays perpendicular device, and beneficial effect is: the efficient antenna plays perpendicular device Structure is simple, uses easy to operate, which can control mast position and angle lateral displacement, rotating vertical as required Rise or withdraw, and only need people's button press with regard to achievable mast it is flexible, rise it is perpendicular, the operation such as withdraw, and can be with The concurrent workings such as the levelling device of car launcher, so as to reduce human resources and shorten launch preparation time.
Detailed description of the invention
Fig. 1 is the schematic view of the front view that a kind of efficient antenna proposed by the present invention plays perpendicular device.
Fig. 2 is the overlooking structure diagram that a kind of efficient antenna proposed by the present invention plays perpendicular device.
Fig. 3 is the antenna vertical bar schematic view of the front view that a kind of efficient antenna proposed by the present invention plays perpendicular device.
Fig. 4 is the antenna vertical bar side structure schematic view that a kind of efficient antenna proposed by the present invention plays perpendicular device.
In figure: bottom plate 1, cavity 2, the first fixed link 3, controller 4, antenna placement plate 5, the first fixed plate 6, pressing plate 7, One spring 8, fixing seat 9, first connecting rod 10, antenna play vertical bar 11, hinge bar 12, the second fixed plate 13, sliding seat 14, second Fixed link 15, rectangular block 16, bearing block 17, the second connecting rod 18, nut 19, external screw thread 20, shaft 21, AC servo motor 22, compression bar 23, switch button 24, signal adapter 25, conducting wire 26, arc shrouds 27, first sliding groove 28, push rod 29, arc limit Position bar 30, antenna placing groove 31, second spring 32, second sliding slot 33, third fixed link 34, rotational sleeve 35.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-4, a kind of efficient antenna plays perpendicular device, including bottom plate 1,1 upper end side of bottom plate are fixedly installed with square Shape block 16,16 upper end two sides of rectangular block are fixedly installed with the second fixed plate 13, are fixedly mounted between the second fixed plate of two sides 13 There is the second fixed link 15, sliding is provided with sliding seat 14 in the second fixed link 15, and 14 upper end two sides of sliding seat are hinged with hingedly Bar 12,1 upper center of bottom plate are provided with antenna by rotational structure and play vertical bar 11, and rotational structure includes being symmetrically mounted on bottom plate 1 The fixing seat 9 of upper end is fixedly installed with third fixed link 34 between fixing seat 9, and rotation is provided with rotation in third fixed link 34 Sleeve 35, and the first connecting rod 10 of antenna 11 bottom of vertical bar is fixedly mounted on rotational sleeve 35, in use, sliding seat 14 It can be slided in the second fixed link 15, when sliding seat 14 slides, sliding seat 14 drives hinge bar 12 to change tilt angle, hinge Extension bar 12 changes tilt angle and antenna is driven to play the rotation of vertical bar 11, and when antenna vertical bar 11 rotates, rotational sleeve 35 is solid in third It is rotated in fixed pole 34.
And antenna plays 11 upper and lower ends of vertical bar and is symmetrically installed with first connecting rod 10,12 other end of hinge bar is hinged on day Line rises on the first connecting rod 10 of 11 upper end of vertical bar, and antenna rises and offers antenna placing groove 31, antenna placing groove 31 on vertical bar 11 The antenna of lower end rises and is fixedly installed with arc shrouds 27 outside vertical bar 11, and 27 inside two sides of arc shrouds are arranged by slide construction There is arc-shaped limit bar 30, slide construction includes being provided with the first sliding groove 28 of 27 both sides external of arc shrouds and being fixedly mounted on The push rod 29 of 30 opposite exterior lateral sides of arc-shaped limit bar, and push rod 29 is slidably arranged in first sliding groove 28, between arc-shaped limit bar 30 It is fixedly installed with second spring 32, and second spring 32 is located in arc shrouds 27, in use, to be in contact using push rod 29 Two 30 phases of arc-shaped limit bar separation, at this moment mast is put into antenna placing groove 31, then unclamp push rod 29, two arcs Shape gag lever post 30 resumes contacts under the action of 32 elastic force of second spring, so just fixes mast.
Cavity 2 is offered inside bottom plate 1,2 inside of cavity is fixedly installed with controller 4 far from the side of rectangular block 16, controls 4 model UNO-2172-C22E of device processed, and 4 internal battery of controller, the fixed peace in the interior side adjacent with controller 4 of cavity 2 Equipped with signal adapter 25, signal adapter 25 is FOXBORO signal adapter, and 25 internal battery of signal adapter, letter Number 25 upper center of converter is fixedly installed with switch button 24, is provided with startup structure on the bottom plate 1 of 24 upper end of switch button, Startup structure includes being fixedly mounted on the first fixed plate 6 of 1 upper end side of bottom plate, is provided with compression bar 23 in the first fixed plate 6, and Compression bar 23 is through the first fixed plate 6 and bottom plate 1 and extends to 24 upper end of switch button, is fixedly installed with pressing plate 7 at the top of compression bar 23, The first spring 8 is provided between pressing plate 7 and the first fixed plate 6, and the first spring 8 is set on compression bar 23, controller 4 and signal Conducting wire 26 is fixedly connected between converter 25, in use, controller 4 issues enabling signal, controller 4 will be opened by conducting wire 26 Dynamic signal is transferred to signal adapter 25, and signal adapter 25 switches between positive enabling signal and reverse starting signal, this When press lower platen 7, pressing plate 7 drive compression bar 23 move down, compression bar 23 is in contact with button 24, and button 24 is pressed signal adapter 25 Starting, then under the elastic force effect of the first spring 8, compression bar 23 resets.
25 other side of signal adapter is provided with AC servo motor 22, and AC servo motor 22 is connected with outer by electric wire Power supply is connect, conducting wire 26, the output of AC servo motor 22 are fixedly connected between signal adapter 25 and AC servo motor 22 Axis is fixedly connected with shaft 21, and shaft 21 is provided with bearing block 17, and bearing block far from one end rotation of AC servo motor 22 17 other ends are fixedly mounted on inside bottom plate 1.It is provided with external screw thread 20 in shaft 21, rotates and sets in the shaft 21 outside external screw thread 20 It is equipped with nut 19, and nut 19 is fixedly connected by connecting structure with 14 bottom of sliding seat.Connecting structure includes being fixedly mounted on The second connecting rod 18 between sliding seat 14 and nut 19 and the second sliding slot 33 being provided in rectangular block 16, and second sliding slot 33 are connected through rectangular block 16 with bottom plate 1 and with cavity 2, and the second connecting rod 18 is slidably arranged in second sliding slot 33.Bottom plate 1 Upper end is symmetrically installed with the first fixed link 3 far from the side of rectangular block 16, and 3 upper end of the first fixed link is fixedly installed with antenna placement Plate 5, antenna placement plate 5 can place mast ready for use, in use, starting AC servo motor 22, AC servo motor 22 drive shaft 21 to rotate, and bearing block 17 enables to the more stable of the rotation of shaft 21, when shaft 21 rotates, nut 19 It is moved in shaft 21, nut 19 drives the second connecting rod 18 mobile, and the second connecting rod 18 is mobile to drive sliding seat 14 to slide.
Embodiment: when the device is in state as shown in the figure, start AC servo motor 22, AC servo motor 22 It rotates forward, just makes antenna play vertical bar 11 in this way and rotated toward 4 side of controller, push down pressing plate when turning to antenna vertical bar 11 When 7, mast is put into antenna rapidly and is risen in vertical bar 11, subsequent compression bar 23 is in contact with button 24, and signal adapter 25 will be anti- To turn signal input AC servo motor 22, the output shaft of AC servo motor 22 is rotated backward, when antenna plays 11 turns of vertical bar It moves to suitable location, cuts off the power supply of AC servo motor 22.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (7)

1. a kind of efficient antenna plays perpendicular device, including bottom plate (1), which is characterized in that the fixed peace in bottom plate (1) the upper end side Equipped with rectangular block (16), rectangular block (16) the upper end two sides are fixedly installed with the second fixed plate (13), second described in two sides It is fixedly installed between fixed plate (13) the second fixed link (15), sliding is provided with sliding seat on second fixed link (15) (14), sliding seat (14) the upper end two sides are hinged with hinge bar (12), and bottom plate (1) upper center passes through rotational structure It is provided with antenna and plays vertical bar (11), and antenna plays vertical bar (11) upper and lower ends and is symmetrically installed with first connecting rod (10), it is described Hinge bar (12) other end is hinged on antenna and rises on the first connecting rod (10) of vertical bar (11) upper end, and the antenna plays vertical bar (11) On offer antenna placing groove (31), the antenna of antenna placing groove (31) lower end, which rises, is fixedly installed with arc outside vertical bar (11) Casing (27), the internal two sides of the arc shrouds (27) pass through slide construction and are provided with arc-shaped limit bar (30), the arc It is fixedly installed between gag lever post (30) second spring (32), and second spring (32) is located in arc shrouds (27), the bottom It is offered cavity (2) inside plate (1), the internal side far from rectangular block (16) of the cavity (2) is fixedly installed with controller (4), signal adapter (25), the signal adapter are fixedly installed with controller (4) adjacent side in the cavity (2) (25) upper center is fixedly installed with switch button (24), is provided with starting on the bottom plate (1) of switch button (24) upper end Structure, signal adapter (25) other side are provided with AC servo motor (22), the controller (4) and signal adapter (25) it is fixedly connected between conducting wire (26), is fixedly connected between the signal adapter (25) and AC servo motor (22) The output shaft of conducting wire (26), the AC servo motor (22) is fixedly connected with shaft (21), is provided on the shaft (21) External screw thread (20) is rotated in the shaft (21) of the external screw thread (20) outside and is provided with nut (19), and nut (19) passes through connection Structure is fixedly connected with sliding seat (14) bottom.
2. a kind of efficient antenna according to claim 1 plays perpendicular device, which is characterized in that the rotational structure includes pair Claim the fixing seat (9) for being mounted on bottom plate (1) upper end, is fixedly installed with third fixed link (34) between the fixing seat (9), it is described Rotation is provided with rotational sleeve (35) in third fixed link (34), and antenna plays the first connecting rod (10) of vertical bar (11) bottom admittedly Dingan County is on rotational sleeve (35).
3. a kind of efficient antenna according to claim 1 plays perpendicular device, which is characterized in that the slide construction includes opening It is located at the first sliding groove (28) of arc shrouds (27) both sides external and is fixedly mounted on arc-shaped limit bar (30) opposite exterior lateral sides Push rod (29), and push rod (29) is slidably arranged in first sliding groove (28).
4. a kind of efficient antenna according to claim 1 plays perpendicular device, which is characterized in that the startup structure includes solid Dingan County is mounted in first fixed plate (6) of bottom plate (1) upper end side, is provided with compression bar (23) on first fixed plate (6), and presses Bar (23) is through the first fixed plate (6) and bottom plate (1) and extends to switch button (24) upper end, fixed at the top of the compression bar (23) It is equipped with pressing plate (7), is provided with the first spring (8) between the pressing plate (7) and the first fixed plate (6), and the first spring (8) covers It is located on compression bar (23).
5. a kind of efficient antenna according to claim 1 plays perpendicular device, which is characterized in that the shaft (21) is far from friendship One end rotation of flow servo motor (22) is provided with bearing block (17), and bearing block (17) other end is fixedly mounted on bottom plate (1) It is internal.
6. a kind of efficient antenna according to claim 1 plays perpendicular device, which is characterized in that the connecting structure includes solid Dingan County mounted between sliding seat (14) and nut (19) the second connecting rod (18) and be provided in rectangular block (16) second Sliding slot (33), and second sliding slot (33) is connected through rectangular block (16) with bottom plate (1) and with cavity (2), second connection Bar (18) is slidably arranged in second sliding slot (33).
7. a kind of efficient antenna according to claim 1 plays perpendicular device, which is characterized in that bottom plate (1) upper end is remote Side from rectangular block (16) is symmetrically installed with the first fixed link (3), and the first fixed link (3) upper end is fixedly installed with antenna Placement plate (5).
CN201810651349.XA 2018-06-22 2018-06-22 Efficient antenna erecting device Active CN108963414B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810651349.XA CN108963414B (en) 2018-06-22 2018-06-22 Efficient antenna erecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810651349.XA CN108963414B (en) 2018-06-22 2018-06-22 Efficient antenna erecting device

Publications (2)

Publication Number Publication Date
CN108963414A true CN108963414A (en) 2018-12-07
CN108963414B CN108963414B (en) 2020-06-05

Family

ID=64491645

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810651349.XA Active CN108963414B (en) 2018-06-22 2018-06-22 Efficient antenna erecting device

Country Status (1)

Country Link
CN (1) CN108963414B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112201954A (en) * 2020-09-15 2021-01-08 南京凯颖网络科技有限公司 Automatic device of dialling of intelligent manufacturing router antenna
CN113329572A (en) * 2021-05-24 2021-08-31 黑龙江科技大学 Communication management equipment based on Internet of things

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2281004Y (en) * 1997-01-24 1998-05-06 杨建疆 Satellite antenna pointing-direction controlling device
CN200983394Y (en) * 2006-11-24 2007-11-28 江苏捷诚车载电子信息工程有限公司 Antenna fluctuation device
WO2017002470A1 (en) * 2015-07-02 2017-01-05 株式会社東芝 Planar antenna device
CN205985353U (en) * 2016-08-23 2017-02-22 成都航天万欣科技有限公司 A every single move mechanism for antenna automatically regulated
CN107026306A (en) * 2016-02-01 2017-08-08 株式会社东芝 Antenna apparatus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2281004Y (en) * 1997-01-24 1998-05-06 杨建疆 Satellite antenna pointing-direction controlling device
CN200983394Y (en) * 2006-11-24 2007-11-28 江苏捷诚车载电子信息工程有限公司 Antenna fluctuation device
WO2017002470A1 (en) * 2015-07-02 2017-01-05 株式会社東芝 Planar antenna device
CN107026306A (en) * 2016-02-01 2017-08-08 株式会社东芝 Antenna apparatus
CN205985353U (en) * 2016-08-23 2017-02-22 成都航天万欣科技有限公司 A every single move mechanism for antenna automatically regulated

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
田耀辉 等: ""新型雷达天线倒伏机构的设计"", 《机电工程技术》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112201954A (en) * 2020-09-15 2021-01-08 南京凯颖网络科技有限公司 Automatic device of dialling of intelligent manufacturing router antenna
CN113329572A (en) * 2021-05-24 2021-08-31 黑龙江科技大学 Communication management equipment based on Internet of things

Also Published As

Publication number Publication date
CN108963414B (en) 2020-06-05

Similar Documents

Publication Publication Date Title
CN108963414A (en) A kind of perpendicular device of efficient antenna
CN104077908B (en) Remote control switch
CN104979126A (en) Extra-high-voltage direct-current grounding switch
CN109301484A (en) A kind of rotary type antenna
CN201577079U (en) Two terminal full solid-state switch using wireless radio frequency identification technology
CN202008931U (en) Operation mechanism for SF6 (sulfur fluoride) load switch cabinet
CN209626484U (en) A kind of vehicle USB connector with metal hollow connector
CN110993414A (en) Intelligence house bluetooth control machinery knife switch
CN212257223U (en) Electronic mechanism of being qualified for next round of competitions of aerifing cabinet
CN106409580B (en) A kind of switch controlling device
CN210956952U (en) 5G antenna installing support of commonality
CN208904609U (en) Conductor spacer mounting device
CN203965846U (en) A kind of remote control switch
CN208291110U (en) A kind of fixing device for mobile phone
CN201060808Y (en) Novel three-phase magnetic retaining relay with connecting terminal
CN207602021U (en) A kind of rotating type strip shows multifunctional remote controlller
CN206595994U (en) A kind of alignment system based on 125kRFID technologies
CN109193908A (en) A kind of small-power environment protection energy-saving charger
CN211579705U (en) Remote closing system of leakage protection circuit breaker
CN103955971A (en) Radio-frequency remote control system and method for garage door
CN206471118U (en) A kind of speech control system
CN110597304B (en) Automatic astronomical flat top control system
CN205829296U (en) A kind of device for high-tension switch cabinet slot signal
CN203721021U (en) Portable wireless remote controller
CN218300255U (en) Array antenna capable of being remotely rotated and regulated

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant