CN206098723U - Super wide band moves looks ware - Google Patents
Super wide band moves looks ware Download PDFInfo
- Publication number
- CN206098723U CN206098723U CN201621168094.4U CN201621168094U CN206098723U CN 206098723 U CN206098723 U CN 206098723U CN 201621168094 U CN201621168094 U CN 201621168094U CN 206098723 U CN206098723 U CN 206098723U
- Authority
- CN
- China
- Prior art keywords
- coupling
- coupling arm
- mainboard
- arm
- phase shift
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
- H01Q3/34—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The utility model provides a super wide band moves looks ware, be in including cavity (10) and cover apron (20) on the cavity still include: the polarization coincide is in the same place firstly moves looks mainboard (31), the second moves looks mainboard (32), rotatably installs first coupling arm (41), the second coupling arm (42) of cavity (10), firstly move each person that looks mainboard and second moved the looks mainboard and all have shaft hole (34) and a plurality ofly arrange at shaft hole (34) outlying circular arc conductor (36) in proper order, each person of first coupling arm and second coupling arm includes a plurality of coupling conductor (44), the coupling conductor of first coupling arm (41) with the first circular arc conductor that moves looks mainboard (31) constitutes the capacitance coupling, the coupling conductor of second coupling arm (42) with the circular arc conductor that the second moved looks mainboard (32) constitutes the capacitance coupling. The utility model discloses can increase and move the phasor, reduce the size of moving the looks ware, realize the super broader bandwidth of multiple -limb.
Description
【Technical field】
This utility model is related to mobile communication technology field, relates generally to a kind of ultra-wideband phase shifter.
【Background technology】
In mobile communication system, antenna for base station generally adopts wave beam electricity conditioning technology, to adjust the downwards bevel beam of antenna
Angle, optimizing network coverage.Phase shifter is to realize one of core component that antenna for base station wave beam electricity is adjusted, by change antenna oscillator it
Between relative phase adjustable antenna wave beam tilt angled down, so as to optimizing communication network.Current voltage controlled phase shifter has two kinds,
One kind be each equal layout of phase shift subelement in same cavity, another kind is that each phase shift subelement is respectively provided at independent chamber
Body, the problem that the former is present is that each subelement can cause layout difficult in same cavity, and the problem that the latter is present is then to add
The big volume of whole phase shifter, also needs to connect the cavity that each phase shift subelement is located in addition so that the structure of whole phase shifter
It is more complicated.The oversized wiring space that can reduce electrical tilt antenna feed system of phase shifter, increases the density of wiring, seriously
Potato masher antenna works, and affects the attractive in appearance of antenna.
【The content of the invention】
In order to overcome the problems referred to above, need a kind of miniaturization badly and the phase shifter of ultra broadband can be realized.
This utility model provides a kind of ultra-wideband phase shifter, including cavity and the cover plate that is covered on the cavity,
Characterized in that, also including：
The first phase shift mainboard, the second phase shift mainboard that polarization is superimposed together, the first phase shift mainboard and the second phase shift
The each of mainboard all has axis hole and some circular arc conductors for being sequentially arranged in axis hole periphery, and some circular arc conductors are mutual
Separate, signal output part is arranged on two ends of the circular arc conductor；The circular arc conductor of the first phase shift mainboard is located remotely from
The side of two phase shift mainboards, the circular arc conductor of the second phase shift mainboard is located remotely from the side of the first phase shift mainboard；
It is rotatably mounted to the first coupling arm, second coupling arm of the cavity, first coupling arm and the second coupling
Closing each of arm all includes some coupling conductors, the quantity of the coupling conductors of first coupling arm and the first phase shift master
The circular arc conductor of plate is identical, and the coupling conductors of first coupling arm are constituted with the circular arc conductor of the first phase shift mainboard
Capacitance Coupled；The quantity of the coupling conductors of second coupling arm is identical with the circular arc conductor of the second phase shift mainboard, and
The coupling conductors of second coupling arm constitute Capacitance Coupled with the circular arc conductor of the second phase shift mainboard.
Used as a kind of preferred version, also including pin, the pin sequentially passes through first coupling arm, the first phase shift master
Plate, the second phase shift mainboard and the second coupling arm；First, second coupling arm is rotatably mounted to the pin so as to divide
Do not rotate relative to first, second phase shift mainboard.
As a kind of preferred version, also including the spring card for being installed to the pin, for keeping first coupling
The distance between arm and the first phase shift mainboard and/or the distance between holding second coupling arm and second phase shift mainboard.
As a kind of preferred version, also including slide plate shackle member, for flexibly clamping first coupling arm, the second coupling
Closing arm makes first coupling arm, the second coupling arm synchronous axial system.
Used as a kind of preferred version, the slide plate shackle member includes main part, and from the main part extend to
Few a pair of jig arm, described at least one pair of jig arm is respectively used to flexibly clamp first coupling arm, the second coupling arm.
As a kind of preferred version, after first coupling arm, the second coupling arm are by described at least one pair of jig arm clamping,
Respectively from main part described in sandwich.
Used as a kind of preferred version, first coupling arm, the second coupling arm are by the one of at least one pair of jig arm clamping
End is respectively equipped with two the first spacing holes, and two sides of the main part are respectively equipped with two the first limited posts；It is described two
First limited post engages respectively with two the first spacing holes on first coupling arm, the second coupling arm.
Used as a kind of preferred version, first coupling arm, the second coupling arm are by the one of at least one pair of jig arm clamping
End is respectively equipped with two the first limited posts, and two sides of the main part are respectively equipped with two the first spacing holes；It is described two
First spacing hole engages respectively with two the first limited posts on first coupling arm, the second coupling arm.
Used as a kind of preferred version, first coupling arm and the second coupling arm are respectively equipped with the second spacing hole；It is described extremely
Be provided with the second limited post on the inside of few a pair of jig arm, for respectively with first coupling arm, the second coupling arm on the second limit
Position hole coordinates.
Used as a kind of preferred version, second limited post slips into corresponding spacing when having intermediate incline in order to assemble
In hole.
This utility model solves existing phase shifter layout difficulty, complex structure, larger-size problem, with increase phase shift
Amount, the advantage for reducing phase shifter size, are a kind of phase shifters that can realize multiple-limb ultra broadband.
【Description of the drawings】
With reference to explanation accompanying drawing and case study on implementation, the utility model is described in further detail.
The structural blast schematic diagram of the ultra-wideband phase shifter that Fig. 1 is provided by the embodiment of this utility model one；
Fig. 2 is the structural representation of the phase shift mainboard of ultra-wideband phase shifter shown in Fig. 1；
Fig. 3 is structural representation of the phase shift mainboard after dielectric base plate is removed shown in Fig. 2；
Fig. 4 is the coupling arm structural representation of ultra-wideband phase shifter shown in Fig. 1；
Fig. 5 is the slide plate shackle member structural representation of ultra-wideband phase shifter shown in Fig. 1.
【Specific embodiment】
The structural blast schematic diagram of the ultra-wideband phase shifter that Fig. 1 is provided by the embodiment of this utility model one.
The ultra-wideband phase shifter is including cavity 10 and the cover plate 20 being sealed on above cavity, installed in the inner chamber of cavity 10
In the first phase shift mainboard 31, the second phase shift mainboard 32, the first coupling arm 41 and the second coupling arm 42.Cover plate 20 is by screw
To on cavity 10, the screw sequentially passes through cover plate 20, limited support part 37, the second phase shift mainboard 32, the first phase shift to mode capping
Mainboard 31, last screw is screwed into the restriction post 39 for being arranged on the bottom of cavity 10, limits the inner ring of post 39 and is provided with screw thread with screw phase
Matching.Limited support part 37 for a center hollow out column, for keep between first, second phase shift mainboard and cover plate away from
From while the locus of first, second phase shift mainboard of restriction, prevent first, second phase shift mainboard from moving in cavity 10, shadow
Ring phase shifter work.
In the present embodiment, first, second phase shift mainboard and first, second coupling arm are Surface mulch and have electricity Jie of wire
Matter substrate, as printed circuit pcb board.
Further, first, second phase shift mainboard is on all four pcb board, and the first phase shift mainboard and the second phase shift
Mainboard polarization is superimposed together, i.e., two pieces phase shift mainboards are overlapped together in the way of leaning against on the contrary.First phase shift mainboard is coated with
Away from the second phase shift mainboard, the second phase shift mainboard is coated with the one side of wire away from the first phase shift mainboard, i.e., to the one side of wire
First, the second phase shift mainboard is coated with the one side of conductor and is directed towards the external world.
The one side for being coated with wire in first, second phase shift mainboard is respectively equipped with some circular arc conductors 36.With reference to Fig. 2 and Tu
3, circular arc conductor is to bend to arc-shaped and the consistent ribbon conductor of footpath width.Some circular arc conductors 36 are with first, second phase shift master
The periphery of the axis hole is arranged in order centered on axis hole 34 on plate, adjacent circular arc conductor is spaced from each other, and circular arc conductor is in pcb board
On be arranged in fan-shaped.Wherein, the radius and arc length of circular arc conductor 36 are relevant with its arrangement position, are more aligned in axis hole 34 at a distance
Circular arc conductor, then its radius apart from the center of axis hole 34 is bigger, arc length is also longer.Each circular arc conductor 36 and axis hole 34 away from
It is configured by related proportionate relationship from radius, then the output phase at each circular arc conductor two ends increasing or decreasing in proportion,
Such design has the advantages that integrated level is higher, section is less, realize that function is simpler.
The guide rail 38 of hollow out is provided between adjacent circular arc conductor, the guide rail can be efficiently reduced between each circular arc conductor 36
There is the situation of coupling, it is to avoid produce signal interference, improve the signal accuracy of phase shifter output.
In the present embodiment, the first coupling arm and the second coupling arm are two on all four coupling arms, are respectively used to match somebody with somebody
Close first, second phase shift main board work.First, second coupling arm integrally be in prolate shape, including at least one branch line 46 and
Some coupling conductors 44.The quantity of the coupling conductors 44 on first, second coupling arm is led with circular arc on first, second phase shift mainboard
The quantity of body 36 is equal.There are respectively 3 circular arc conductors 36 on the phase shift mainboard that the implementation case is provided, therefore, each coupling
3 coupling conductors 44 are equipped with arm.
Coupling conductors 44 are laterally arranged one by one along the brachium direction of coupling arm, the position of each coupling conductors respectively with circular arc
The position of the guide rail 38 between conductor corresponds.Branch line 46 is connected with the branch point on each coupling conductors 44, relative to
Coupling conductors are in upper and lower distribution.Compared with circular arc conductor, the conductor length of coupling conductors 44 is shorter than each circular arc conductor 36
Conductor length.
First coupling arm 41 is pivotally mounted on the first phase shift mainboard 31, and the first coupling arm has coupling conductors 44
An arm face it is relative with the one side that the first phase shift mainboard 31 is provided with circular arc conductor 36, coupling conductors 44 and first on the first coupling arm
Circular arc conductor 36 on phase shift mainboard 31 forms Capacitance Coupled；Second coupling arm 42 is pivotally mounted to the second phase shift mainboard 32
On, and there is the second coupling arm an arm face of coupling conductors 44 and the second phase shift mainboard 32 to be provided with the one side phase of circular arc conductor 36
Right, the circular arc conductor 36 on the second coupling arm on the phase shift mainboard of coupling conductors 44 and second forms Capacitance Coupled.
In order to keep the position relationship of first, second phase shift mainboard and first, second coupling arm, pin 61 to sequentially pass through
After one coupling arm 41, the first phase shift mainboard 31, the second phase shift mainboard 32, the second coupling arm 42, engage with spring card 63.Pass through
Pin 61 and spring card 63, define the distance between the first coupling arm and first phase shift mainboard and/or keep second to couple
The distance between arm and the second phase shift mainboard, it is ensured that the coupling accuracy between coupling arm and phase shift mainboard.First, second coupling arm
Can rotate centered on axis hole 34 and on first, second phase shift mainboard, coupling conductors 44 are because be subject on phase shift mainboard
Guide rail 38 limit and make uniform rotation, be effectively guaranteed the even variation of phase place, the angle of declination of convenient adjustment antenna.
Fig. 5 is the slide plate shackle member 70 on first, second coupling arm, and the slide plate shackle member is used to keep two couplings
Close synchronization of the arm on phase shift mainboard to swipe.Slide plate shackle member 70 include a main part 72, and from main part extend to
Few a pair of jig arm 74, should be respectively used to flexibly clamp the first coupling arm 31, the second coupling arm 32 to jig arm 74.Jig arm 74 is in folder
While holding first, second coupling arm, first, second coupling arm is also clamped in respectively 72 liang of the main part of the slide plate shackle member
Side.First coupling arm 41, the second coupling arm 42 are provided with two the first spacing holes 51 by one end that slide plate shackle member is clamped, for matching somebody with somebody
Conjunction is arranged on the first limited post 720 of the both sides of main part 72, the first limited post of two on the main part 720 respectively with the first coupling
The first spacing hole 51 closed on arm 41, the second coupling arm 42 engages.In two inner sides of jig arm 74, that is, clamp first, second coupling
Close arm side be provided with auxiliary the first limited post 720 clamping the second limited post 740, and the second limited post there is intermediate incline with
It is easy to be slipped in corresponding spacing hole during assembling；Similarly, is respectively equipped with the first coupling arm 41 and the second coupling arm 42
Two spacing holes 52, second spacing hole 52 is disposed proximate to the both sides of the first spacing hole 51.Two in jig arm 74 are second spacing
Post 740 engages respectively with the second spacing hole 52 on the first coupling arm 41, the second coupling arm 42.
Alternatively, the first limited post and/or the second limited post in slide plate shackle member can be substituted for limit
Position hole, the first spacing hole and/or the second spacing hole on coupling arm is substituted for limited post.
Slide plate shackle member also limits first, second phase shift mainboard of polarization while first, second coupling arm is clamped
In the centre of first, second coupling arm.By slip slide plate shackle member 70, first, second coupling arm can be enterprising in phase shift mainboard
Row is swiped, and can keep the distance between coupling arm and phase shift mainboard, moreover it is possible to which coupling arm and phase shift mainboard are finely adjusted, and is operated
It is convenient, the wiring space of feeding network in the phase shifter is saved, lower the cost of manufacture of product.
In this utility model, used as the conductor of outlet side, two ends of each circular arc conductor 36 are defeated to circular arc conductor 36
Go out end, the outfan is connected with radiating element.Input is then arranged on the first coupling arm 41, the second coupling arm 42.Circular arc is led
By building composition Capacitance Coupled electrical connection between body 36 and coupling conductors 44.The input connected on first, second coupling arm
Signal transmits the end of each circular arc conductor 36 to first, second phase shift mainboard by capacity coupled mode, finally transmits
To the radiating element for being connected to the end of circular arc conductor 36.When coupling arm rotated certain angle on phase shift mainboard, signal from
The physical path length of the radiating element connected to circular arc end conductor at Capacitance Coupled changes, so as to change phase place.
In order to avoid directly making electrical contact between coupling conductors 44 and circular arc conductor 36, can be on coupling conductors and circular arc conductor
Isolating membrane of coating green oil or non-metallic material etc., so that it is guaranteed that coupling arm constitutes electric capacity coupling with the place of building of phase shift mainboard
Close electrical connection.
Embodiment presented above is only described further explanation to this utility model as a kind of preferred version, not
Constitute the restriction that this utility model is gone up in all senses.For the person of ordinary skill of the art, new without departing from this practicality
On the premise of type is conceived, some deformations and improvement can also be made, these belong to protection domain of the present utility model.Therefore,
The protection domain of this utility model patent should be defined by claims.
Claims (10)
1. a kind of ultra-wideband phase shifter, including cavity (10) and the cover plate (20) being covered on the cavity, it is characterised in that
Also include：
Polarization the first phase shift mainboard (31), the second phase shift mainboard (32) that are superimposed together, the first phase shift mainboard (31) and
The each of the second phase shift mainboard (32) all has axis hole (34) and some circular arc conductors for being sequentially arranged in axis hole (34) periphery
(36), some circular arc conductors (36) are separated from each other, and signal output part is arranged on two ends of the circular arc conductor；First
The circular arc conductor (36) of phase shift mainboard (31) is located remotely from the side of the second phase shift mainboard (32), the circle of the second phase shift mainboard (32)
Arc conductor (36) is located remotely from the side of the first phase shift mainboard (31)；
It is rotatably mounted to the first coupling arm (41), second coupling arm (42) of the cavity (10), first coupling arm
(41) and each of the second coupling arm (42) all includes some coupling conductors (44), the coupling of first coupling arm (41) leads
The quantity of body (44) is identical with the circular arc conductor (36) of the first phase shift mainboard (31), and first coupling arm (41)
Coupling conductors constitute Capacitance Coupled with the circular arc conductor of the first phase shift mainboard (31)；The coupling of second coupling arm (42)
The quantity of conductor (44) is identical with the circular arc conductor (36) of the second phase shift mainboard (32), and second coupling arm (42)
The circular arc conductor of coupling conductors and the second phase shift mainboard (32) constitute Capacitance Coupled.
2. ultra-wideband phase shifter according to claim 1, it is characterised in that also including pin (61), the pin (61)
Sequentially pass through first coupling arm, the first phase shift mainboard, the second phase shift mainboard and the second coupling arm；First, second coupling
Close arm and be rotatably mounted to the pin so as to be respectively relative to the rotation of first, second phase shift mainboard.
3. ultra-wideband phase shifter according to claim 2, it is characterised in that also including the bullet for being installed to the pin (61)
Spring card (63), for keeping the distance between first coupling arm and the first phase shift mainboard and/or keeping second coupling
Close the distance between arm and the second phase shift mainboard.
4. ultra-wideband phase shifter according to claim 1, it is characterised in that also including slide plate shackle member (70), for bullet
Property ground clamping first coupling arm, the second coupling arm make first coupling arm, the second coupling arm synchronous axial system.
5. ultra-wideband phase shifter according to claim 4, it is characterised in that the slide plate shackle member (70) is including main part
(72) at least one pair of jig arm (74), and from the main part extended, described at least one pair of jig arm (74) is respectively used to bullet
Property ground clamping first coupling arm, the second coupling arm.
6. ultra-wideband phase shifter according to claim 5, it is characterised in that first coupling arm, the second coupling arm quilt
After described at least one pair of jig arm (74) clamping, respectively from main part described in sandwich (72).
7. ultra-wideband phase shifter according to claim 6, it is characterised in that first coupling arm (41), the second coupling
Arm (42) is respectively equipped with two the first spacing holes (51), the main part by one end of at least one pair of jig arm (74) clamping
(72) two sides are respectively equipped with two the first limited posts (720)；Described two first limited posts (720) are respectively with described
Two the first spacing holes (51) engaging on one coupling arm (41), the second coupling arm (42).
8. ultra-wideband phase shifter according to claim 6, it is characterised in that first coupling arm (41), the second coupling
Arm (42) is respectively equipped with two the first limited posts by one end of at least one pair of jig arm (74) clamping, the main part (72)
Two sides are respectively equipped with two the first spacing holes；Described two first spacing holes respectively with first coupling arm (41),
Two the first limited posts engaging on two coupling arms (42).
9. ultra-wideband phase shifter according to claim 7, it is characterised in that first coupling arm (41) and the second coupling
Arm (42) is respectively equipped with the second spacing hole (52)；The second limited post (740) is provided with the inside of described at least one pair of jig arm (74), is used
In respectively with first coupling arm, the second coupling arm on the second spacing hole (52) coordinate.
10. ultra-wideband phase shifter according to claim 9, it is characterised in that second limited post has intermediate incline
Slip into during in order to assembling in corresponding spacing hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621168094.4U CN206098723U (en) | 2016-11-02 | 2016-11-02 | Super wide band moves looks ware |
| PCT/CN2017/085858 WO2018082285A1 (en) | 2016-11-02 | 2017-05-25 | Super wide band phase shifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621168094.4U CN206098723U (en) | 2016-11-02 | 2016-11-02 | Super wide band moves looks ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206098723U true CN206098723U (en) | 2017-04-12 |
Family
ID=58486235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621168094.4U Expired - Fee Related CN206098723U (en) | 2016-11-02 | 2016-11-02 | Super wide band moves looks ware |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206098723U (en) |
| WO (1) | WO2018082285A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018082285A1 (en) * | 2016-11-02 | 2018-05-11 | 深圳国人通信股份有限公司 | Super wide band phase shifter |
| CN108232454A (en) * | 2018-03-21 | 2018-06-29 | 中天宽带技术有限公司 | A kind of phase shifter with gap apparatus for correcting |
| CN111585025A (en) * | 2020-05-20 | 2020-08-25 | 武汉虹信通信技术有限责任公司 | Phase shifter and base station antenna |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112771716B (en) | 2018-09-20 | 2022-03-01 | 康普技术有限责任公司 | Base station antenna with double-sided phase shifter |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202523820U (en) * | 2012-04-23 | 2012-11-07 | 华为技术有限公司 | Phase shifter and antenna |
| CN102938482B (en) * | 2012-10-19 | 2015-02-04 | 华为技术有限公司 | Adjustable phase shifter and antenna with same |
| CN104979604B (en) * | 2014-04-11 | 2017-09-19 | 深圳国人通信股份有限公司 | A kind of phase shifter of electrical tilt antenna |
| CN206098723U (en) * | 2016-11-02 | 2017-04-12 | 深圳国人通信股份有限公司 | Super wide band moves looks ware |
-
2016
- 2016-11-02 CN CN201621168094.4U patent/CN206098723U/en not_active Expired - Fee Related
-
2017
- 2017-05-25 WO PCT/CN2017/085858 patent/WO2018082285A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018082285A1 (en) * | 2016-11-02 | 2018-05-11 | 深圳国人通信股份有限公司 | Super wide band phase shifter |
| CN108232454A (en) * | 2018-03-21 | 2018-06-29 | 中天宽带技术有限公司 | A kind of phase shifter with gap apparatus for correcting |
| CN108232454B (en) * | 2018-03-21 | 2024-04-09 | 中天宽带技术有限公司 | Phase shifter with gap correcting device |
| CN111585025A (en) * | 2020-05-20 | 2020-08-25 | 武汉虹信通信技术有限责任公司 | Phase shifter and base station antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018082285A1 (en) | 2018-05-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20211102 |