CN206532884U - Multichannel transmission mechanism and antenna - Google Patents

Multichannel transmission mechanism and antenna Download PDF

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Publication number
CN206532884U
CN206532884U CN201720237666.8U CN201720237666U CN206532884U CN 206532884 U CN206532884 U CN 206532884U CN 201720237666 U CN201720237666 U CN 201720237666U CN 206532884 U CN206532884 U CN 206532884U
Authority
CN
China
Prior art keywords
output shaft
power output
transmission mechanism
multichannel transmission
panel
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.)
Withdrawn - After Issue
Application number
CN201720237666.8U
Other languages
Chinese (zh)
Inventor
戎镇春
段红彬
马泽峰
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.)
Comba Telecom Technology Guangzhou Ltd
Original Assignee
Comba Telecom Technology Guangzhou Ltd
Comba Telecom Systems China Ltd
Comba Telecom Systems Guangzhou Co Ltd
Tianjin Comba Telecom Systems 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 Comba Telecom Technology Guangzhou Ltd, Comba Telecom Systems China Ltd, Comba Telecom Systems Guangzhou Co Ltd, Tianjin Comba Telecom Systems Co Ltd filed Critical Comba Telecom Technology Guangzhou Ltd
Priority to CN201720237666.8U priority Critical patent/CN206532884U/en
Application granted granted Critical
Publication of CN206532884U publication Critical patent/CN206532884U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of antenna and its multichannel transmission mechanism, the multichannel transmission mechanism includes power output shaft, support body, the support body is provided with an end face, the end face offers the resigning hole passed through for the power output shaft, the first end of the power output shaft is connected through the resigning hole with the phase shifter, second end of the power output shaft is provided with when by thrust can be along power output shaft axial direction to the end motion of power output shaft first and when thrust disappears along power output shaft axial direction to the reset locking unit of the end motion of power output shaft second.Because the utility model can be supported to control the main drive gear of circuit only with a motor, one, so as to reduce motor, the supporting quantity of circuit be controlled, so as to reduce antenna volume, beneficial to the Miniaturization Design of antenna.

Description

Multichannel transmission mechanism and antenna
Technical field
The utility model is related to mobile communication antenna control field, in particular to angle of declination control technology, especially relates to And a kind of multichannel transmission mechanism and the antenna that angle of declination control is carried out using the multichannel transmission mechanism.
Background technology
Beam forming device in mobile communication system, movement is adjusted for the difference of the radiation angle according to portable antenna The main source of communication antenna.Different size of related mobile communication unit can be covered according to angle of declination and thus it is adjusted Section.
At present, this device is commonly known as RET units, i.e. " remotely electricity tune " device, and existing electrical tilt antenna is controlled The transmission system of multi-beam multiband is usually that each frequency range is driven with a motor in system, this kind of external RET electricity Adjusting system main disadvantage is that, it is necessary first to more motor, secondly each motor be required for a set of driving control of correspondence configuration Circuit processed, because motor and drive control circuit are to belong to active parts, the probability of failure is higher, it is necessary to be tieed up Shield, and cost is higher.And it is more that multiple motor driving controling circuits are designed into a drive circuit can solve fault The problem of, and total circuit devcie only needs a set of, component cost is greatly reduced, however, the actual electricity for being used for being driven phase shift The quantity of machine is reduced again without method.
In order to solve the above problems, a kind of existing multi beamforming device includes a switching device, the switching device Can be selective be formed with multiple driven pulleys is connected, and by actuator drive shaft turns, so that drive switching device to rotate, from And drive driven pulley to rotate, driven pulley drive driven shaft rotate, the driven shaft include it is multiple, and with drive phase shifter driving Device is connected, and then realization is adjusted to multiple frequency ranges, and in above-mentioned technical proposal, the switching construction of use has two kinds of forms, but whole Body is complicated, and needs more driving source to make the space shared by it larger, is unfavorable for the Miniaturization Design of antenna.
Utility model content
The purpose of this utility model aim to provide a kind of simple in construction, small volume and can realize it is accurate control and switching it is many Road transmission mechanism.
Another object of the present utility model is to provide a kind of to be realized down using above-mentioned changeable multichannel transmission mechanism The antenna of tilt adjustment.
To achieve these goals, the utility model provides following technical scheme:
A kind of multichannel transmission mechanism, it is dynamic to be driven a wherein road direction phase shifter to export for being connected with main drive gear Power, the multichannel transmission mechanism includes multiple with the first end being connected with phase shifter and the second end being connected with main drive gear Power output shaft and for installing power output shaft and being available for it around the support body of axial rotation.The support body is provided with one and opened If the panel of multiple resigning holes, the first end of the multiple power output shaft passes resigning hole and connects different phase shifts for correspondence Device.The second end is provided with reset locking unit on the power output shaft, the reset locking unit can be when by thrust Along power output shaft axially to first end motion, and moved in thrust decay to second end.
Preferably, the second end of the power output shaft is provided with the key teeth for being connected with main drive gear feather key, with Make not relatively rotate between power output shaft and main drive gear, so as to accurately export the torque of main drive gear.
The multichannel transmission mechanism is according to the difference that mode is connected thereto on main drive gear, i.e. multichannel transmission mechanism and master The difference of feather key structure between transmission mechanism, the key teeth can be substituted by the gear teeth or screw thread.
Preferably, the reset locking unit discharges the key including lock ring in the key teeth and under thrust The locking cap of tooth and it is arranged between the locking cap and panel and for resetting the locking cap when thrust disappears to tight Bind round the back-moving spring of the lock ring state of the key teeth.The locking cap states power output shaft in lock ring residence when not by external force, so that Unnecessary output is not produced by the power output shaft of lock ring, to ensure that only one of which power output shaft is chosen output power.
Further, the locking cap is provided with for preventing the power output shaft from being driven in another power output shaft The grab of power is exported when dynamic.Wherein, the grab is stuck in institute when the power output shaft and main drive gear are disconnected State in key teeth.
Further, one end that the locking cap is connected with back-moving spring radially extends to be formed and resetted along power output shaft The backing plate that spring is connected, to apply uniform pressure to back-moving spring when it is by thrust.
Further, the power output shaft is respectively provided with along inside and outside support body panel prevents power output shaft edge First, second Skidproof structure of its axial direction activity.First, second Skidproof structure is used to lock the power output shaft Axial location, prevent power output shaft from sliding axially or rocking along power output shaft.
Specifically, first Skidproof structure includes being arranged on the power output shaft along panel inner surface and along power The spacing preiection that output shaft is radially extended.Preferably, the spacing preiection is ring-like.
Specifically, second Skidproof structure include along panel outer surface ring be located at the neck on the power output shaft with And it is embedded jump ring or internal tooth back-up ring in the neck.The jump ring passes allowing on panel in the first end of power output shaft Position is sticked into the neck behind hole, to prevent the rollback of stop power output shaft.Preferably, the jump ring is integrally formed with panel.
Specifically, the support body is also included in the multiple mounting rings set on the inside of panel, for real by the mounting ring Existing support body is snapped connection with main drive gear.
In addition, the utility model additionally provides a kind of antenna, it includes multiple angle of declination adjusting meanss and above-mentioned multichannel is passed Motivation structure so that antenna of the present utility model is that angle of declination control can be achieved only with a motor, a set of control circuit, so that Reduce motor, control the supporting quantity of circuit, so as to simplify system, reduce the generation of fault, reduction production and dimension Accomplish this, while reducing antenna volume, beneficial to the Miniaturization Design of system.
Compared with prior art, scheme of the present utility model has advantages below:
Multichannel transmission mechanism of the present utility model is simple in construction, small volume, its be used to have a down dip angle control system when, with it is main pass Motivation structure is connected, and the one of connection for selecting multiple power output shafts is driven by main drive gear, is passed so as to realize by main Branch road output power in the multiple branch roads of motivation structure selection switching, the mechanism can aid in main biography according to the demand of user Motivation structure selects different power output shafts, and can carry out free switching between different output power branches.Due to this reality The main drive gear only with a motor, a set of control circuit can be supported with new, so as to reduce motor, control circuit Supporting quantity, so as to simplify system, reduces the generation of fault, reduction production and maintenance cost, while reducing antenna Volume, beneficial to the Miniaturization Design of system.
The additional aspect of the utility model and advantage will be set forth in part in the description, and these are by from following description In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
The above-mentioned and/or additional aspect of the utility model and advantage from the following description of the accompanying drawings of embodiments will Become substantially and be readily appreciated that, wherein:
Fig. 1 shows the stereogram of the changeable multichannel transmission mechanism according to the utility model one embodiment.
Fig. 2 shows the support body stereogram according to the utility model one embodiment.
Fig. 3 shows the profile of the changeable multichannel transmission mechanism according to the utility model one embodiment.
Fig. 4 shows the output shaft stereogram according to the utility model one embodiment.
Fig. 5 is shown according to the main drive gear of the utility model one embodiment and multichannel transmission mechanism company It is connected into integral stereogram.
Fig. 6 is shown according to the main drive gear of the utility model one embodiment and multichannel transmission mechanism company It is connected into integral profile.
Fig. 7 shows the feather key structural perspective according to the utility model one embodiment.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model Limitation.
Referring to Fig. 1 to Fig. 7, the utility model provides a kind of multichannel transmission mechanism 1000, it is adaptable to Downtilt control In system processed, it is connected with main drive gear 2000 (referring to Fig. 5) and phase shifter (not shown), to be selectively driven wherein one Road direction phase shifter exports power, so as to realize angle of declination control.The multichannel transmission mechanism 1000 includes multiple with first end 110 and second end 120 power output shaft 100 and support body 200 for installing the multiple power output shaft 100.
With reference to Fig. 1 and Fig. 2, the support body 200 is provided with a panel 210, and the panel 210 is offered for the power The resigning hole 211 that output shaft 100 is passed through.The first end 110 of the power output shaft 100 is through the resigning hole 211 and is used for It is connected with phase shifter, the second end 120 of the power output shaft 100 is used to be connected with main drive gear 2000, is come from receiving The power of main drive gear 2000 so to phase shifter export power.Set on the power output shaft 100 close to the second end 120 There is reset locking unit 121, to prevent the power output shaft 100 where it from being sent out when another power output shaft 100 is driven Life rotates and exports power.
The effect of the support body 200 at least includes three aspects:
In a first aspect, the support body 200 is used for the position for fixing the power output shaft 100, multiple power outputs are realized Being uniformly distributed on 360 degree of circumference of axle 100;
Second aspect, the support body 200 is used for the encapsulation of the multichannel transmission mechanism 1000 and main drive gear 2000, only protects The first end 110 of the power output shaft 100 is stayed to expose outside;
The third aspect, the support body 200 is used for the core for protecting the reset locking unit 121 and main drive gear 2000 Part is without prejudice.
In summary, there is the support body 200 fixed power output shaft 100 to act on and protect core component to act on, simultaneously It is attractive in appearance with assembling, it is easy to disassemble and the features such as safeguard.
Preferably, incorporated by reference to Fig. 1 and Fig. 4, the second end 120 of the power output shaft 100, which is provided with, to be used for and main transmission The key teeth 122 of the feather key connection of mechanism 2000, to prevent stop power output shaft 100 when driving rotation by main drive gear 2000, is moved Power output shaft 100 relatively rotates with main drive gear 2000 and influences the transmission of power, so as to ensure that angle of declination control Accuracy.
In other embodiment of the present utility model, the key teeth 122 can be substituted by the gear teeth or screw thread, with inhomogeneity The feather key of main drive gear 2000 connection of type, so as to prevent relative turn between power output shaft 100 and main drive gear 2000 It is dynamic.
Preferably, the second end 120 that the reset locking unit 121 protrudes from the power output shaft 100 is set, and can Axially moved when by thrust along power output shaft 100 to the first end 110, to expose power output shaft 100 Second end 120 (being connected with main drive gear 2000);Move and finally coated to second end 120 in thrust decay Second end 120, locking power output shaft 100, need not in order to avoid producing to prevent non-selected power output shaft 100 from rotating The power output wanted.
Preferably, the reset locking unit 121 discharges institute including lock ring in the key teeth 122 and under thrust State the locking cap 1212 of key teeth 122 and be arranged between the locking cap 1212 and panel 210 and be used for when thrust disappears The locking cap 1212 is resetted to the back-moving spring 1213 of the lock ring state of key teeth described in lock ring 122.The locking cap 1212 is not Power output shaft 100 is stated by lock ring residence during external force, to prevent the power output shaft 100 by lock ring from producing unnecessary output.
Preferably, the locking cap 1212 is provided with for preventing the power output shaft 100 in other power output shafts 100 export the grab 12121 of power when being driven, in one of the embodiments, the grab 12121 is in the power output shaft 100 are stuck on the fixed position of the key teeth 122 and main drive gear 2000 when being disconnected with main drive gear 2000, to prevent Only the power output shaft 100 where it produces circular-rotation.
Further, prolong along the radial direction of power output shaft 100 one end that the locking cap 1212 is connected with back-moving spring 1213 The backing plate 12122 to be formed and be connected with back-moving spring 1213 is stretched, to be applied when it is by thrust to back-moving spring 1213 Plus uniform pressure.
Preferably, the back-moving spring 1213 and the backing plate 12122 weld together.
Further, the power output shaft 100 is respectively provided with anti-stop along inside and outside the panel 210 of support body 200 First Skidproof structure 130, second Skidproof structure 140 of the power output shaft 100 along the activity of its axial direction.First Skidproof structure 130th, the second Skidproof structure 140 is used to further prevent power output shaft 100 from sliding along the direction of power output shaft 100, to protect The stability that card power output shaft 100 is connected with main drive gear 2000, so as to ensure the accuracy of power transmission.
Preferably, first Skidproof structure 130 is included along the inner surface setting of panel 210 in the power output shaft 100 On spacing preiection 131.Preferably, the spacing preiection 131 is ring-like.
Further, correspondence resigning hole 211 is additionally provided with fixed column 220 in the inner side of panel 210 on the support body 200, should Fixed column 220 is used to fix the power output shaft 100, and first Skidproof structure 130 sets and is stuck in the fixed column 220, To prevent the power output shaft 100 from axially rocking.
Preferably, second Skidproof structure 140 includes being located on the power output shaft along the appearance face ring of panel 210 Neck 141 and the jump ring 142 being embedded in the neck 141.
In another embodiment, the jump ring 142 is substituted by internal tooth back-up ring.
Specifically, with reference to Fig. 1, Fig. 6, the support body 200 is also included in multiple mounting rings 230 that the inner side of panel 210 is set, For realizing that support body 200 is snapped connection with main drive gear 2000 by the mounting ring 230, so as to facilitate the multichannel driver The assembling of structure 1000 and main drive gear 2000.
Fig. 5-7 are refer to, for ease of describing the operation principle of multichannel transmission mechanism 1000 of the present utility model, this practicality is new Type shows the embodiment that a kind of active drive mechanism is used cooperatively with the multichannel transmission mechanism 1000 in the utility model.Its In, the driving tooth that active drive mechanism 2000 includes motor 2002, is connected and driven by motor 2002 with motor output shaft 2003 Wheel 2004, the driven gear 2005 engaged with driving gear 2004, the protection driving gear 2004 and driven gear 2005 are simultaneously It is provided with the gear mounting bracket 2006 of the tooth engaged with the driven gear 2005, promotes the driven gear 2005 so that driven Push rod 2007 that gear 2005 and the power output shaft 100 are connected, for providing along the axial thrust of motor output shaft 2003 Electromagnetic clutch 2008 and it is electrically connected with the electromagnetic clutch 2008 and motor 2002 and for controlling electromagnetic clutch 2008 and the control circuit 2009 of motor 2002.
Preferably, the power output shaft 100 is provided with the six roots of sensation, and it is centrosymmetric point around the center of motor output shaft 2003 Cloth.In other embodiments, the power output shaft 100 can also show tool according to other regular arrays in such as Fig. 1, Fig. 5 There is the embodiment of two power output shafts 100.
In the present embodiment, selection, the switching of power output shaft 100 pass through default control journey in main drive gear 2000 Sequence is in particular in that controlling driven gear 2005 to turn to after specific location makes it perform axial movement to control, so that with A power output shaft 100 in this direction is docked.In other embodiment of the present utility model, different dynamic output shaft 100 Drive position also available sensors realize identification.
Main drive gear 2000 based on above example, operation principle of the present utility model is:
When needing to switch to a certain transmission of power output shaft 100, first, control circuit 2009 is given birth to according to the instruction of user The step number that is rotated into motor 2002 simultaneously starts motor 2002, and motor output shaft 2003 rotates to drive driving gear 2004 synchronous Rotation, the driving driven gear 2005 of driving gear 2004 rotates certain angle to the driven gear 2005 and power to be driven When output shaft 100 is aligned, driving gear 2004 stops operating.Then, control circuit 2009 control electromagnetic clutch 2008 is powered, Electromagnetic clutch 2008 drives push rod 2007 along the axially outward movement of motor output shaft 2003, so that driven gear 2005 is promoted, Driven gear 2005 is axially moved under the thrust of push rod 2007 along motor output shaft 2003 to first end 110, and set is opened on top The locking cap 1212 of reset locking unit 121 on power output shaft 100, while by above-mentioned feather key structure 3000 with moving The fit of power output shaft 100 is connected.
When carrying out phase shift transmission, control circuit 2009 sends the chip that related command is given to motor 2002, motor Output shaft 2003 is rotated, and the torque that motor 2002 is exported is output to the power output shaft 100 connected through driven gear 2005 On, so as to realize the phase shift transmission to phase shifter.
When switching power output shaft 100, the magnetic valve of the control control electromagnetic clutch 2008 of circuit 2009 is opened, effect Thrust decay on driven gear 2005, the locking and back-moving spring 1213 being arranged on power output shaft 100 is upspring Cap 1212, while resetting driven gear 2005, motor output shaft 2003 rotates again, drives driven gear 2005 to select next Power output shaft 100 to be driven.
In addition, the utility model additionally provides a kind of antenna, it includes many secondary angle of declination adjusting meanss and above-mentioned multichannel is passed Motivation structure 1000.The antenna is as a result of above-mentioned multichannel transmission mechanism, and it is only with a motor 2002 and a control electricity Road 2009, with miniaturization the characteristics of.
Described above is only some embodiments of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching also should be regarded as protection domain of the present utility model.

Claims (10)

1. a kind of multichannel transmission mechanism, defeated to be selectively driven a wherein road direction phase shifter for being connected with main drive gear Go out power, the multichannel transmission mechanism is included with the first end for being used to connect phase shifter and for connecting the of main drive gear The power output shaft at two ends, it is characterised in that:
Also include support body, the support body is provided with a panel, and the panel is offered for allowing that the power output shaft is passed through Position hole, the first end of the power output shaft passes through close second end on the resigning hole, the power output shaft to be provided with again Position locking unit, the reset locking unit along power output shaft axial direction to first end motion and can pushed away when by thrust Moved when power weakens to second end.
2. multichannel transmission mechanism according to claim 1, it is characterised in that:Second end of the power output shaft is provided with For the key teeth being connected with main drive gear feather key;
It is described reset locking unit include lock ring discharged in the key teeth and under thrust the key teeth locking cap, with And be arranged between the locking cap and panel and be used to reset the locking cap when thrust disappears to key teeth described in lock ring The back-moving spring of lock ring state.
3. multichannel transmission mechanism according to claim 2, it is characterised in that:The key teeth can be replaced by the gear teeth or screw thread Generation.
4. multichannel transmission mechanism according to claim 2, it is characterised in that:The locking cap is provided with described for preventing Power output shaft exports the grab of power when other power output shafts are driven.
5. multichannel transmission mechanism according to claim 2, it is characterised in that:The locking cap be connected with back-moving spring one End radially extended along power output shaft to be formed with back-moving spring be connected backing plate, with when it is by thrust to reset Spring applies uniform pressure.
6. multichannel transmission mechanism according to claim 1, it is characterised in that:The power output shaft is along inside and outside support body panel Both sides are respectively provided with first, second Skidproof structure for preventing power output shaft along the activity of its axial direction.
7. multichannel transmission mechanism according to claim 6, it is characterised in that:First Skidproof structure is included along along panel Surface is arranged on the spacing preiection on the power output shaft, and the spacing preiection is radially extended along power output shaft.
8. multichannel transmission mechanism according to claim 6, it is characterised in that:Second Skidproof structure is included along outside panel Neck that surface loop is located on the output shaft and the jump ring or internal tooth back-up ring being embedded in the neck.
9. multichannel transmission mechanism according to claim 1, it is characterised in that:The support body is also included in setting on the inside of panel Multiple mounting rings, for realizing that support body is snapped connection with main drive gear by the mounting ring.
10. a kind of antenna, it uses the multichannel transmission mechanism described in any one in claim 1 to 9.
CN201720237666.8U 2017-03-10 2017-03-10 Multichannel transmission mechanism and antenna Withdrawn - After Issue CN206532884U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720237666.8U CN206532884U (en) 2017-03-10 2017-03-10 Multichannel transmission mechanism and antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720237666.8U CN206532884U (en) 2017-03-10 2017-03-10 Multichannel transmission mechanism and antenna

Publications (1)

Publication Number Publication Date
CN206532884U true CN206532884U (en) 2017-09-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720237666.8U Withdrawn - After Issue CN206532884U (en) 2017-03-10 2017-03-10 Multichannel transmission mechanism and antenna

Country Status (1)

Country Link
CN (1) CN206532884U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106848587A (en) * 2017-03-10 2017-06-13 京信通信系统(中国)有限公司 Multichannel transmission mechanism and antenna
CN109244640A (en) * 2018-10-29 2019-01-18 京信通信技术(广州)有限公司 The transmission device and switching mechanism of antenna for base station, lower decline angle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106848587A (en) * 2017-03-10 2017-06-13 京信通信系统(中国)有限公司 Multichannel transmission mechanism and antenna
CN106848587B (en) * 2017-03-10 2023-09-22 京信通信技术(广州)有限公司 Multipath transmission mechanism and antenna
CN109244640A (en) * 2018-10-29 2019-01-18 京信通信技术(广州)有限公司 The transmission device and switching mechanism of antenna for base station, lower decline angle
CN109244640B (en) * 2018-10-29 2023-08-29 京信通信技术(广州)有限公司 Base station antenna, transmission device of electric downtilt angle and switching mechanism

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TR01 Transfer of patent right

Effective date of registration: 20200203

Address after: 510730 No. 6, layered Road, Guangzhou economic and Technological Development Zone, Guangdong

Patentee after: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd.

Address before: 510663 Guangzhou Science City, Guangdong Shenzhou Road, No. 10

Co-patentee before: COMBA TELECOM TECHNOLOGY (GUANGZHOU) Ltd.

Patentee before: COMBA TELECOM SYSTEMS (CHINA) Ltd.

Co-patentee before: COMBA TELECOM SYSTEMS (GUANGZHOU) Ltd.

Co-patentee before: TIANJIN COMBA TELECOM SYSTEMS Ltd.

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Granted publication date: 20170929

Effective date of abandoning: 20230922

AV01 Patent right actively abandoned

Granted publication date: 20170929

Effective date of abandoning: 20230922

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned