CN109412354A - It is a kind of can sensing movement track voice coil motor - Google Patents
It is a kind of can sensing movement track voice coil motor Download PDFInfo
- Publication number
- CN109412354A CN109412354A CN201811424957.3A CN201811424957A CN109412354A CN 109412354 A CN109412354 A CN 109412354A CN 201811424957 A CN201811424957 A CN 201811424957A CN 109412354 A CN109412354 A CN 109412354A
- Authority
- CN
- China
- Prior art keywords
- elastic slice
- lens bracket
- shell
- voice coil
- coil motor
- 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
Links
- 230000033001 locomotion Effects 0.000 title claims abstract description 36
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 29
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 5
- 230000005611 electricity Effects 0.000 description 5
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009123 feedback regulation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
- H02K11/21—Devices for sensing speed or position, or actuated thereby
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
- G02B7/09—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification adapted for automatic focusing or varying magnification
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/32—Means for focusing
- G03B13/34—Power focusing
- G03B13/36—Autofocus systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
Abstract
The invention discloses it is a kind of can sensing movement track voice coil motor, it is electrically connected with a control circuit board, it include shell, it is moving up and down be matched with the intracorporal lens bracket of shell, driving coil of the cooperation on lens bracket peripheral wall and at least one be fixed on the drive magnet in housing sidewall, driving coil is electrically connected with control circuit board；It is described it is a kind of can the voice coil motor of sensing movement track further include the strain film being electrically connected with control circuit board, the strain film is arranged at the top of lens bracket between the inner roof wall of shell and generates corresponding deformation with lens bracket movement.The present invention senses the motion profile of lens bracket by strain film, and simple in structure, cost is also low.
Description
Technical field
The present invention relates to voice coil motor field, particularly relate to it is a kind of can sensing movement track voice coil motor.
Background technique
Miniature automatic focusing camera is widely used in the production such as mobile phone, automobile, unmanned aerial vehicle, safety monitoring, smart home
Among product.Common miniature automatic focusing camera is to drive camera lens to move along its optical axis by a voice coil motor, voice coil horse
It is electrically connected up to a control circuit board, voice coil motor is controlled by control circuit board；General voice coil motor mainly includes shell
Body moving up and down is matched with the intracorporal lens bracket of shell, driving coil of the cooperation on lens bracket peripheral wall and at least
One drive magnet being fixed in housing sidewall, shell are generally spliced by upper cover and pedestal up and down, driving coil and control
Circuit board electrical connection processed, camera lens are fixed on lens bracket, and the light hole of face camera lens is offered on shell, in use, logical
Control circuit board is crossed to control the driving current for inputing to driving coil, is driven with the interaction of drive magnet and driving coil
The lens bracket movement is moved, to realize the function of focusing automatically.
Current this voice coil motor fixes the Hall element being electrically connected with control circuit board on shell, consolidates on lens bracket
Surely there is feedback magnet, feedback magnet is mobile with lens bracket and Hall element is made to generate different feedback currents, feedback electricity
Stream can reflect the motion profile of lens bracket, and control circuit board controls the driving electricity of driving coil according to feedback current
Stream accurately moves to realize the feedback regulation to lens bracket motion profile to control lens bracket.But this pass through
Hall element and feedback magnet sense the structure of lens bracket motion profile there are higher cost, more complicated in structure to ask
Topic.
Summary of the invention
It is an object of the invention to it is a kind of can sensing movement track voice coil motor, at low cost, structure is simple
Advantage.
In order to achieve the above objectives, solution of the invention is:
It is a kind of can sensing movement track voice coil motor, be electrically connected with a control circuit board comprising shell can move up and down
Be matched with the intracorporal lens bracket of shell, control circuit board of the cooperation on shell, driving of the cooperation on lens bracket peripheral wall
Coil and at least one be fixed on the drive magnet in housing sidewall, driving coil is electrically connected with control circuit board；Described
It is a kind of can the voice coil motor of sensing movement track further include a strain film, the strain film is electrically connected with control circuit board
It connects；The strain film is arranged at the top of lens bracket between the inner roof wall of shell and mobile with lens bracket and generation is corresponding
Deformation.
The upper elastic slice of an insulation is equipped between the lens bracket top and the inner roof wall of shell, elastic slice is in ring in the insulation
Shape structure, elastic slice outer rim is connected with shell in insulation, is connected at the top of elastic slice inner edge and lens bracket in insulation；The strain film
Coated on the upper elastic slice upper surface of insulation.
The shell includes upper cover and the pedestal that is connected with upper cover bottom opening；Elastic slice outer rim is fixed on one in the insulation
On annular frame, which is located in upper cover and is connected with pedestal.
Lower elastic slice is equipped between the lens bracket bottom and pedestal.
The material of elastic slice is rubber in the insulation.
Conductive upper elastic slice is equipped at the top of the lens bracket between upper housing inner roof wall；The conductive upper elastic slice is in a ring
Structure, elastic slice outer rim is connected with shell in conduction, is connected at the top of elastic slice inner edge and lens bracket in conduction, described conductive to go up elastic slice
Insulation film is coated on upper surface；The strain film is coated on insulation film.
The shell includes upper cover and the pedestal that is connected with upper cover bottom opening；The conductive upper elastic slice is set to camera lens branch
Between top of the trellis and upper cover, elastic slice outer rim is fixed on lid in conduction.
Lower elastic slice is equipped between the lens bracket bottom and pedestal.
The material of the conductive upper elastic slice is metal.
After adopting the above scheme, strain film of the invention generates corresponding deformation with lens bracket movement, and answers thinning
The resistance value of film can accordingly change with strain film deformation, so that strain film output voltage accordingly changes, this
Sample invention can sense the motion profile of lens bracket by strain film.
Compared to the more existing structure for sensing lens bracket motion profile by Hall element and feedback magnet, the present invention is logical
Overstrain film senses the motion profile of lens bracket, and simpler in structure, cost is also lower.
Detailed description of the invention
Fig. 1 is the exploded view of the embodiment of the present invention one；
Fig. 2 is the assembled sectional view of the embodiment of the present invention one；
Fig. 3 is enlarged drawing at the A of Fig. 2；
Fig. 4 is the exploded view of the embodiment of the present invention two；
Fig. 5 is the assembled sectional view of the embodiment of the present invention two；
Fig. 6 is enlarged drawing at the B of Fig. 5；
Label declaration:
Shell 1, upper cover 11, pedestal 12,
Lens bracket 2,
Driving coil 3,
Drive magnet 4,
Strain film 5,
Elastic slice 6 in insulation, annular frame 61,
Elastic slice 6 ' in conduction,
Lower elastic slice 7,
Insulation film 8,
Control circuit board S.
Specific embodiment
As shown in Figures 1 to 6, present invention discloses it is a kind of can sensing movement track voice coil motor, with a control electricity
Road plate S electrical connection comprising shell 1, the lens bracket 2 moving up and down being matched in shell 1, cooperation are in lens bracket 2
Driving coil 3 on peripheral wall and at least one be fixed on the drive magnet 4 on 1 side wall of shell, driving coil 3 and control circuit
Plate S electrical connection；The control circuit board S inputs to the driving current of driving coil 3 by control, with control drive magnet 4 with
The interaction of driving coil 3 and drive lens bracket 2 mobile.
Cooperate shown in Fig. 2, Fig. 3, Fig. 5 and Fig. 6, key of the invention is: the invention also includes one for sensing mirror
The strain film 5 of 2 motion profile of head bracket, the strain film 4 are electrically connected with control circuit board S；The strain film 5 is arranged
Corresponding deformation is generated between 2 top of lens bracket and the inner roof wall of shell 1 and with lens bracket movement, and it is thinning due to answering
When film 5 generates deformation, the resistance value of strain film 5 can accordingly change, so that 5 output voltage of strain film accordingly changes
Become, thus the output voltage of the strain film 5 can reaction shot bracket 2 motion profile, such present invention can pass through
Strain film 5 senses the motion profile of lens bracket 2.Camera lens is sensed by Hall element and feedback magnet compared to more existing
The structure of support motion track, the present invention sense the motion profile of lens bracket 2 by strain film 5, simpler in structure,
Cost is also lower.
In order to further explain the technical solution of the present invention, being explained in detail below by specific embodiment the present invention
It states.
Embodiment one:
Cooperate shown in Fig. 1 to Fig. 3, in the present embodiment, is equipped with one between 2 top of lens bracket and the inner roof wall of shell 1
Elastic slice 6 in insulation, the material of elastic slice 6 can be rubber in insulation, the structure in a ring of elastic slice 6 in the insulation, elastic slice 6 in insulation
Outer rim is connected with shell 1, is connected at the top of 6 inner edge of elastic slice and lens bracket 2 in insulation；The strain film 5 is coated in insulation
On 6 upper surface of elastic slice；Moving up and down for lens bracket 2 can drive upper 6 deformation of elastic slice of insulation in this way, the shape of elastic slice 6 in insulation
Become and the strain film 5 for being coated on and insulating on upper elastic slice 6 may make to generate corresponding deformation, such strain film 5 can be with camera lens
Bracket 2 moves up and down and generates corresponding deformation.
In the present embodiment, it can be equipped with lower elastic slice 7 between 2 bottom of lens bracket and 1 inner bottom wall of shell, pass through in this way
Elastic slice 6 and lower elastic slice 7 can give 2 one reset forces of lens bracket in insulation, so that lens bracket 2 does not lead in driving coil 3
Initial position can be quickly recovered to when electric.The material of the lower elastic slice 7 can be conductive material, preferably metal.
In the present embodiment, the shell 1 may include upper cover 11 and with 11 bottom opening of upper cover by clamping or welding or
The connected pedestal 12 of the mode of bonding；6 outer rim of elastic slice is fixed on an annular frame 61 in the insulation, the annular frame 61
It is connected by way of being clamped or welding or bond in upper cover 11 and with pedestal 12；The lower elastic slice 7 is set to lens bracket 2
Between bottom and pedestal 12.The control circuit board S is fixed on 11 inner wall of upper cover.
Embodiment two:
Cooperate shown in fig. 4 to fig. 6, in the present embodiment, is equipped with and leads between 2 top of lens bracket and 1 inner roof wall of upper housing
Elastic slice 6 ' on electricity；The material of elastic slice 6 ' can be metal in conduction, and the conduction goes up the structure in a ring of elastic slice 6 ', elastic slice in conduction
6 ' outer rims are connected with shell 1, are connected at the top of 6 ' inner edge of elastic slice and lens bracket 2 in conduction, on conductive upper 6 upper surface of elastic slice
Coated with insulation film 8；The strain film 5 is coated on insulation film 8；Moving up and down for lens bracket 2 can band in this way
6 ' deformation of elastic slice on moving conductive, the deformation of elastic slice 6 ' may make the strain film 5 being matched in conduction on elastic slice 6 ' in conduction
Corresponding deformation is generated, such strain film 5 can moving up and down and generate corresponding deformation with lens bracket 2.And pass through position
Conductive upper elastic slice 6 ' and strain film 5 can be isolated in insulation film 8 between elastic slice 6 ' in conduction and strain film 5, prevent from leading
Elastic slice 6 ' influences the output voltage of strain film 5 on electricity.
In the present embodiment, it can be equipped with lower elastic slice 7 between 2 bottom of lens bracket and 1 inner bottom wall of shell, pass through in this way
Elastic slice 6 ' and lower elastic slice 7 can give 2 one reset forces of lens bracket in conduction, so that lens bracket 2 does not lead in driving coil 3
Initial position can be quickly recovered to when electric.The material of the lower elastic slice 7 can be conductive material, preferably metal.
In the present embodiment, the shell 1 may include upper cover 11 and with 11 bottom opening of upper cover by clamping or welding or
The connected pedestal 12 of the mode of bonding；The conductive upper elastic slice 6 ' is set between 2 top of lens bracket and upper cover 11, in conduction
6 ' outer rim of elastic slice is fixed on lid, and the lower elastic slice 7 is then set between 2 bottom of lens bracket and pedestal 12.
Above-described embodiment and schema and non-limiting product form and style of the invention, any technical field it is common
The appropriate changes or modifications that technical staff does it all should be regarded as not departing from patent category of the invention.
Claims (9)
1. one kind can sensing movement track voice coil motor, be electrically connected with a control circuit board comprising shell, can on move down
The dynamic driving coil for being matched with the intracorporal lens bracket of shell, cooperation on lens bracket peripheral wall and at least one be fixed on shell
Drive magnet on body sidewall, driving coil are electrically connected with control circuit board；It is characterized by: described one kind can sensing movement
The voice coil motor of track further includes a strain film, and the strain film is electrically connected with control circuit board；The strain film
It is arranged at the top of lens bracket between the inner roof wall of shell and generates corresponding deformation with lens bracket movement.
2. one kind as described in claim 1 can sensing movement track voice coil motor, it is characterised in that: the lens bracket top
It is equipped with one between portion and the inner roof wall of shell to insulate upper elastic slice, elastic slice structure in a ring in the insulation, elastic slice outer rim in insulation
It is connected with shell, is connected at the top of elastic slice inner edge and lens bracket in insulation；The strain film is coated on table on the upper elastic slice that insulate
On face.
3. one kind as claimed in claim 2 can sensing movement track voice coil motor, it is characterised in that: the shell includes upper
Lid and the pedestal being connected with upper cover bottom opening；Elastic slice outer rim is fixed on an annular frame in the insulation, the annular frame
It is connected in upper cover and with pedestal.
4. one kind as claimed in claim 3 can sensing movement track voice coil motor, it is characterised in that: the lens bracket bottom
Lower elastic slice is equipped between portion and pedestal.
5. as described in claim 2 to 4 any one it is a kind of can sensing movement track voice coil motor, it is characterised in that: institute
The material for stating the upper elastic slice that insulate is rubber.
6. one kind as described in claim 1 can sensing movement track voice coil motor, it is characterised in that: the lens bracket top
Conductive upper elastic slice is equipped between portion and upper housing inner roof wall；Conductive upper elastic slice structure in a ring, in conduction elastic slice outer rim and
Shell is connected, and is connected at the top of elastic slice inner edge and lens bracket in conduction, thin coated with insulating on the conductive upper elastic slice upper surface
Film；The strain film is coated on insulation film.
7. one kind as claimed in claim 6 can sensing movement track voice coil motor, it is characterised in that: the shell includes upper
Lid and the pedestal being connected with upper cover bottom opening；The conductive upper elastic slice is set at the top of lens bracket between upper cover, conductive
Upper elastic slice outer rim is fixed on lid.
8. one kind as claimed in claim 7 can sensing movement track voice coil motor, it is characterised in that: the lens bracket bottom
Lower elastic slice is equipped between portion and pedestal.
9. as described in claim 6 to 8 any one it is a kind of can sensing movement track voice coil motor, it is characterised in that: institute
The material for stating elastic slice in conduction is metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811424957.3A CN109412354B (en) | 2018-11-27 | 2018-11-27 | Voice coil motor capable of sensing motion trail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811424957.3A CN109412354B (en) | 2018-11-27 | 2018-11-27 | Voice coil motor capable of sensing motion trail |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109412354A true CN109412354A (en) | 2019-03-01 |
| CN109412354B CN109412354B (en) | 2024-01-12 |
Family
ID=65455737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811424957.3A Active CN109412354B (en) | 2018-11-27 | 2018-11-27 | Voice coil motor capable of sensing motion trail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109412354B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040123449A1 (en) * | 2001-05-21 | 2004-07-01 | Teruo Inaguma | Thin-film coil, magnetic head, method of manufacturing the thin-film coil, and method of manufacturing the magnetic head |
| KR20100008757U (en) * | 2009-02-24 | 2010-09-02 | 이-핀 옵티칼 인더스트리 컴퍼니 리미티드 | Voice coil driving auto-focus lens module |
| JP2011069862A (en) * | 2009-09-24 | 2011-04-07 | Shicoh Engineering Co Ltd | Lens driving device, autofocus camera and cellular phone with camera |
| CN103532300A (en) * | 2012-07-03 | 2014-01-22 | 株式会社捷太格特 | Control device and motor unit including the control device |
| WO2016005568A1 (en) * | 2014-07-11 | 2016-01-14 | Asml Netherlands B.V. | Actuator, positioning device, lithographic apparatus, and method for manufacturing an actuator |
| US20160334608A1 (en) * | 2014-01-08 | 2016-11-17 | Bolymedia Holdings Co. Ltd. | Zoom lens driving device and zoom lens |
| CN107167070A (en) * | 2017-06-26 | 2017-09-15 | 厦门大学 | A kind of resistance strain sensor and its manufacture method |
| CN107707083A (en) * | 2017-09-30 | 2018-02-16 | 厦门新鸿洲精密科技有限公司 | A kind of structure for sensing voice coil motor movement locus |
-
2018
- 2018-11-27 CN CN201811424957.3A patent/CN109412354B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040123449A1 (en) * | 2001-05-21 | 2004-07-01 | Teruo Inaguma | Thin-film coil, magnetic head, method of manufacturing the thin-film coil, and method of manufacturing the magnetic head |
| KR20100008757U (en) * | 2009-02-24 | 2010-09-02 | 이-핀 옵티칼 인더스트리 컴퍼니 리미티드 | Voice coil driving auto-focus lens module |
| JP2011069862A (en) * | 2009-09-24 | 2011-04-07 | Shicoh Engineering Co Ltd | Lens driving device, autofocus camera and cellular phone with camera |
| CN103532300A (en) * | 2012-07-03 | 2014-01-22 | 株式会社捷太格特 | Control device and motor unit including the control device |
| US20160334608A1 (en) * | 2014-01-08 | 2016-11-17 | Bolymedia Holdings Co. Ltd. | Zoom lens driving device and zoom lens |
| WO2016005568A1 (en) * | 2014-07-11 | 2016-01-14 | Asml Netherlands B.V. | Actuator, positioning device, lithographic apparatus, and method for manufacturing an actuator |
| CN107167070A (en) * | 2017-06-26 | 2017-09-15 | 厦门大学 | A kind of resistance strain sensor and its manufacture method |
| CN107707083A (en) * | 2017-09-30 | 2018-02-16 | 厦门新鸿洲精密科技有限公司 | A kind of structure for sensing voice coil motor movement locus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109412354B (en) | 2024-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11902649B2 (en) | Voice coil motor having a bobbin, a coil, a magnet and an elastic member | |
| KR102001621B1 (en) | Voice coil motor and method for driving thereof | |
| US9448383B2 (en) | Voice coil motor and driving method thereof | |
| US11451691B2 (en) | Driving mechanism, camera module and electronic device | |
| EP3385767B1 (en) | Voice coil motor | |
| US20110235196A1 (en) | Voice coil motor and camera module with same | |
| CN106113062B (en) | One kind is accompanied and attended to robot | |
| KR101877898B1 (en) | Voice coil motor and driving method thereof | |
| CN104685205A (en) | Button-type car ignition system | |
| JP3124292U (en) | Autofocus lens module | |
| CN109412354A (en) | It is a kind of can sensing movement track voice coil motor | |
| CN209134238U (en) | It is a kind of can sensing movement track voice coil motor structure | |
| CN1244219C (en) | Loudspeaker | |
| CN209134237U (en) | A kind of voice coil motor of energy sensing movement track | |
| CN210061109U (en) | Home service robot with mobile grabbing function | |
| CN208401727U (en) | A kind of stabilization voice coil motor structure | |
| CN211530978U (en) | Z-axis zooming assembly of VCM motor | |
| CN109660075A (en) | Hall Plate component, plastic packaging motor and processing method | |
| KR20180082384A (en) | Voice coil motor and driving method thereof | |
| US5285031A (en) | Pendulum-activated switch assembly | |
| CN206506427U (en) | Voice coil motor terminal and shell fragment assembling structure | |
| CN207069873U (en) | A kind of anti-oxidant VCM shell fragments | |
| CN112379505A (en) | Lens driving device, camera device and electronic equipment | |
| CN207926758U (en) | A kind of miniature voice coil motor and camera module | |
| CN213619934U (en) | Annular horn control device and steering wheel |
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 |