CN209300274U - Electronic cigarette and its gas flow transducer - Google Patents
Electronic cigarette and its gas flow transducer Download PDFInfo
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- CN209300274U CN209300274U CN201821717343.XU CN201821717343U CN209300274U CN 209300274 U CN209300274 U CN 209300274U CN 201821717343 U CN201821717343 U CN 201821717343U CN 209300274 U CN209300274 U CN 209300274U
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- Prior art keywords
- metal shell
- conductive film
- gas flow
- circuit board
- flow transducer
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- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 32
- 239000002184 metal Substances 0.000 claims abstract description 75
- 229910052751 metal Inorganic materials 0.000 claims abstract description 75
- 239000000779 smoke Substances 0.000 claims description 11
- 239000011810 insulating material Substances 0.000 claims description 4
- 235000019504 cigarettes Nutrition 0.000 abstract description 13
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 37
- 238000000034 method Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000391 smoking effect Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model embodiment discloses a kind of electronic cigarette and its gas flow transducer.Its air-flow sensing includes circuit board, grating ring, conductive film and metal shell；The first end of the grating ring is connected on the circuit board；The conductive film is connected to the second end of the grating ring；The metal shell is located at the side that the conductive film deviates from the circuit board, and the metal shell and the conductive film are separated by a gap, and the metal shell is connect with the circuit board.The gas flow transducer that the gas flow transducer of the utility model embodiment can solve currently on the market is difficult in the electronic cigarette for being placed in common cigarette shape and structure, the technical problem for causing electronic cigarette usage experience poor.
Description
Technical field
The utility model belongs to sensor technical field more particularly to a kind of electronic cigarette and its gas flow transducer.
Background technique
In order to which the health of numerous smokers considers, electronic cigarette can be generally designed to the shape and structure of common cigarette, so that cigarette
People's experience with common cigarette when using electronic cigarette.And gas flow transducer can make air or gas flow and direction
Quick response, and corresponding output voltage is provided, different control signals is then generated according to the difference of output voltage, to electricity
Sub- equipment is accordingly controlled.Therefore, by gas flow transducer detect smoke when air-flow variation can to electronic cigarette light with
Extinguishing is controlled.
But the shape and structure of common cigarette is typically small, this makes gas flow transducer at this stage be difficult have merging
Possibility in the electronic cigarette of common cigarette shape and structure, so that smoker is poor using the experience of electronic cigarette.
Utility model content
In view of this, the utility model embodiment provides a kind of electronic cigarette and its gas flow transducer, for solving at present
Gas flow transducer in the market is difficult in the electronic cigarette for being placed in common cigarette shape and structure, causes electronic cigarette usage experience poor
Technical problem.
The utility model embodiment provides a kind of gas flow transducer comprising:
Circuit board；
Grating ring, the first end of the grating ring are connected on the circuit board；
Conductive film, the conductive film are connected to the second end of the grating ring；
Metal shell, the metal shell are located at the side that the conductive film deviates from the circuit board, the metal shell
It is separated by a gap with the conductive film, the metal shell is connect with the circuit board.
Further, insulating layer is equipped between the both ends of the conductive film and the metal shell, on the metal shell
Offer at least one through-hole.
Further, the metal shell is equipped with the waterproof net for covering the through-hole away from the conductive film side.
Further, the metal shell is wrapped on the outside of the grating ring and the conductive film is away from the circuit board
Side, and the both ends of the metal shell are connected to the both ends of the circuit board；Wherein, outside the grating ring and the metal
There is cavity between shell.
Further, insulating materials is filled in the cavity.
Further, the circuit board is equipped with ground terminal, power end and output end；
The first end of the grating ring is connect with the output end, and is connect by resistance with the ground terminal；
The power end is connect with the metal shell.
Further, when the metal shell has air-flow to pass through away from the conductive film side, the conductive film direction
Deformation occurs for the metal shell side.
Further, when the flow velocity of the air-flow is greater than a threshold value, the conductive film is in contact with the metal shell.
The utility model embodiment simultaneously provides a kind of electronic cigarette comprising air-flow described in smoke pipe and any of the above passes
Sensor, the gas flow transducer are located in the smoke pipe.
Further, the electronic cigarette further include:
Atomizing component, the atomizing component are located in the smoke pipe, and are connect with the circuit board of the gas flow transducer, are used
Smog is generated when the conductive film in the gas flow transducer is close to each other with metal shell.
Electronic cigarette and its gas flow transducer provided by the embodiment of the utility model, grating ring, circuit board and conductive film enclose
At enclosure space, a gap is separated by the outside of conductive film and is equipped with the metal shell connecting with the power end on circuit board, conductive film is logical
It crosses grating ring to connect with circuit board, the gas flow transducer being designed in this way is compact-sized, and outer dimension is smaller to be placed in common cigarette shape
In the electronic cigarette of shape structure, and then promote the usage experience of electronic cigarette.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a schematic diagram of the section structure of the gas flow transducer that the utility model first embodiment provides；
Fig. 2 is the circuit diagram for the gas flow transducer that the utility model first embodiment provides；
Fig. 3 is the another the schematic diagram of the section structure for the gas flow transducer that the utility model first embodiment provides；
Fig. 4 is a schematic diagram of the section structure of the electronic cigarette that the utility model second embodiment provides.
Specific embodiment
The embodiments of the present invention is described in detail below in conjunction with accompanying drawings and embodiments, whereby to the utility model
How applied technology method solves technical problem and reaches the realization process of technical effect to fully understand and implement.
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within the acceptable error range, those skilled in the art can solve technology within a certain error range
Problem basically reaches technical effect.In addition, " coupling " or " electric connection " word includes any directly and indirectly electrical herein
Coupling means.Therefore, if it is described herein that a first device is coupled to a second device, then representing first device can directly electrical coupling
It is connected to second device, or is electrically coupled to second device indirectly by other devices or coupling means.Specification subsequent descriptions
For preferred embodiment of the present invention, so description is to illustrate the general principles of this utility model, not
To limit the scope of the utility model.The protection scope of the utility model is as defined by the appended claims.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the system that include a series of elements not only include those elements, but also to wrap
Include the other elements being not explicitly listed, or further include for this process, method, commodity or system intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including element
There is also other identical elements in process, method, commodity or system.
Specific embodiment
Embodiment one
Referring to FIG. 1, a schematic diagram of the section structure of the gas flow transducer provided for the utility model first embodiment, needs
It is noted that the gas flow transducer is generally tubular structure comprising circuit board 10, grating ring 20, conductive film 30 and gold
Belong to shell 40.
Wherein, the grating ring 20 is cyclic structure, including opposite first end 210 and second end 220, wherein described the
One end 210 is located on the circuit board 20, and passes through lead (not shown) on the circuit board 20 and the circuit
Plate 10 is electrically connected.
The conductive film 30 is connected to the second end 220 of the grating ring 20, i.e., the described conductive film 30 and the circuit board 10
The both ends of the grating ring 20 are oppositely arranged on, the two sides of the conductive film 30 are electrically connected with two second ends 220 respectively,
The i.e. described conductive film 30 is electrically connected with the circuit board 10 respectively, and conductive film 30 here is the elastic vibrating of conductive energy
Film has preferable elasticity.
The metal shell 40 is located at the side that the conductive film 30 deviates from the circuit board 10, the metal shell 40 with
The conductive film 30 is separated by a clearance D, and the metal shell 40 is connect with the circuit board 10.Herein, the metal shell
40 are electrically connected with the circuit board 10, and specifically, the metal shell 40 can be through electric wire and the circuit board
10 are electrically connected；It is also possible to the metal shell 40 to be connected on the circuit board 10, and by the circuit board 10
Lead and the circuit board 10 are electrically connected.
Specifically, in other preferred embodiments of the utility model, the circuit board 10 is equipped with ground terminal 110, electricity
Source 120 and output end 130, the ground terminal 110 is for connecting zero potential, and the power end 120 is for connecting power supply
Anode can be regarded as here for connecting a high potential, and the output end 130 is used for external circuit output high potential or low
Current potential is connected with resistance 140 between the ground terminal 110 and the output end 130, when the output end 130 is located at other electricity
When road connects, the output end 130 and the ground terminal 110 are connected, and the output end 130 exports low potential at this time.The grid
The first end 210 of ring 20 is connect with the output end 130, and the first end 210 of the grating ring 20 is connect by resistance 140 with described
Ground terminal 110 connects；The power end 120 is connect with the metal shell 40, and connection here refers to being electrically connected, mainly
It is realized and is electrically connected by the lead on the circuit board 10.
In this way, for the circuit diagram for the gas flow transducer that the utility model first embodiment provides, passing through institute incorporated by reference to Fig. 2
It states grating ring 20, circuit board 10 and conductive film 30 and encloses an enclosure space 50, when the enclosure space 50 has air-flow logical outside
It crosses, i.e., when being free flow of air around the described metal shell 40, the especially described metal shell 40 deviates from 30 side of conductive film
When thering is air-flow to pass through, the external pressure of the enclosure space 50 will be made to reduce, make the external pressure of the enclosure space 50
Less than the air pressure inside of the enclosure space 50, the conductive film 30 can court under the action of the enclosure space 50 is compared with atmospheric pressure
To 40 side of metal shell, deformation occurs, and when the air-flow velocity is greater than a threshold value, the conductive film 30 and institute
It states metal shell 40 to be in contact, and then the metal shell 40 and 130 mutual conduction of output end, due to the metal shell
40 connect the power ends 120, i.e., power end 120 described in the described output end 130 is electrically connected, and the output end 130 is defeated at this time
High level out；Conversely, such as air-flow velocity is zero (i.e. no air stream when the air-flow velocity is not more than the threshold value
When dynamic) or the air-flow velocity it is smaller when, the even described conductive film 30 has deformation, but deformation is insufficient to allow the conduction
Film 30 is in contact with the metal shell 40, and the metal shell 40 is spaced from each other with the output end 130 at this time, the output
End 130 is only electrically connected by the resistance 140 with the ground terminal 110, i.e., the described output end 130 and the ground terminal 110
It is electrically connected, the output end 130 exports low level at this time.
Furthermore it is also possible to the metal shell 40 and the conductive film 30 are regarded as to two metal electrodes of capacitor,
When the enclosure space 50 outer is with air-flow and passes through, effect of the conductive film 30 in 50 inside and outside differential pressure of enclosure space
It is lower to be moved towards the metal shell 40, so that the distance between two metal electrodes of capacitor changes, led at this time with described
The output end 130 that electrolemma 30 connects can generate corresponding electric signal, and a threshold signal strength is arranged here, leads with described
Distance continues to reduce between electrolemma 30 and the metal shell 40, and generated electrical signal intensity can also become larger, when being greater than
When the threshold signal strength, the switching circuit closure connecting with the capacitor is triggered, so that including that the air-flow senses
The circuit of device is connected；Conversely, connecting when generated electrical signal intensity is not more than the threshold signal strength with the capacitor
The switching circuit connect is still in off-state, and then the circuit including the gas flow transducer will not be switched on.By this
Design, the conductive film 30 and the metal shell 40 are respectively the pole plate of capacitor, woth no need in setting and the conductive film
30 mutually matched pole plates simplify the production routine of the gas flow transducer, reduce produce the material of the gas flow transducer with
And time cost.
Compact-sized between each component of the gas flow transducer of the utility model embodiment, outer dimension is smaller, can facilitate
Be placed in the electronic cigarette of common cigarette shape and structure, the output of the low and high level of gas flow transducer can be used as electronics here
The power switch of cigarette indicates closing the switch for electronic cigarette when exporting high level, and electronic cigarette is ignited；When exporting low level
Indicate that the switch of electronic cigarette is opened, electronic cigarette extinguishes；The output of low and high level is mainly the envelope as can be seen from the above description
The outer gas stream variation in space 50 is closed, air-flow variation here is realized by the smoking movement of smoker, can so be passed through
The control to the power switch of electronic cigarette is realized in the smoking movement of smoker, so that smoker has pumping common fragrant when taking out electronic cigarette
The experience of cigarette improves the usage experience of electronic cigarette, and then reduces the quantity that smoker takes out common cigarette, is beneficial to smoker's
Health.
In addition, by the setting of the resistance 140 can be promoted the gas flow transducer using safe, when the conductive film
30 with the metal shell 40 when contacting with each other, and the power end 120 and the ground terminal 110 is avoided directly to contact；In addition, being
The structure space of the saving gas flow transducer, reduces size, and the resistance 140 is located at the circuit board 10 towards institute
The side of conductive film 30 is stated, i.e., the described resistance 140 is located in enclosure space 50, passes through the lead both ends on the circuit board 10 point
The first end 210 of the ground terminal 110 and the grating ring 20 is not connected.
In addition, incorporated by reference to Fig. 3, in other preferred embodiments of the utility model, in order to prevent the conductive film 30 with
The metal shell 40 is directly contacted when no air-flow passes through, and promotes the reliability of the gas flow transducer, the conductive film
Insulating layer 310 is equipped between 30 both ends and the metal shell 40, i.e., outside the both ends of the conductive film 30 and the metal
Insulating layer 310 described in the both ends sandwiched of shell 40, it is only necessary to the middle part deformation of the conductive film 30, insulating layer here
310 including but not limited to be insulation spacer, while in order to make between the conductive film 30 and the metal shell 40 have with
The same air pressure in 40 outside of the metal shell, offers at least one through-hole 410 on the metal shell 40, here logical
Hole 410 is generally located on the middle part of the metal shell 40, and both ends do not open up the through-hole 410 then.
Further, the metal shell 40 is equipped with away from 30 side of conductive film for covering the through-hole 410
Waterproof net 420.Herein, the waterproof net 420 can avoid described in the entrance of the steam in the air-flow outside the enclosure space 50
Space between metal shell 40 and the conductive film 30, and then avoid the metal shell 40 and the conductive film 30 because of inside
Steam and be connected with each other, further promote the reliability of the gas flow transducer, while also functioning to the protection conductive film 30
Effect.
Meanwhile in other preferred embodiments of the utility model, the metal shell 40 is wrapped in outside the grating ring 20
Side and the conductive film 30 deviate from the side of the circuit board 10, and the both ends of the metal shell 40 be connected to it is described
The both ends of circuit board 10；Wherein, there is cavity 430 between the grating ring 20 and the metal shell 40.Specifically, the metal
Shell 40 has two opposite ends 440, two side walls 450 and bottom 460；Wherein, described two ends 440 connect respectively
It connects in two ends of the circuit board 10；Described two side walls 450 are connected to described two ends and are located at the grating ring 20
Outside；460 both ends of bottom are connected to end of described two side walls 450 far from the circuit board 10, are located at described
Conductive film 30 deviates from the side of the circuit board 10；The cavity 430 be located at the grating ring 20 and described two side walls 450 it
Between, the cavity 430 is an insulating space；So that the metal shell 40 is wrapped in 20 outside of the grating ring and described
Conductive film 30 deviates from the side of the circuit board 10；This design can improve the associative perception of the gas flow transducer.
Further, in other preferred embodiments of the utility model, in order to avoid the grating ring 20 and the metal
Shell 40 directly contacts, and promotes the reliability of the gas flow transducer, and insulating materials 4301 is filled in the cavity 430,
Here insulating materials 4301 include but is not limited to be foam or plastics or rubber etc..
Embodiment two
Referring to FIG. 4, a schematic diagram of the section structure of the electronic cigarette provided for the utility model second embodiment, the electricity
Sub- cigarette includes smoke pipe 1 and gas flow transducer 2, wherein the gas flow transducer 2 is located in the smoke pipe 1, specifically, the gas
The inner wall of the metal shell 40 of flow sensor 2 and the smoke pipe 1 is separated by a gap, and air-flow passes through when smoking for smoker.It is right
The description of embodiment one is please referred in the specific structure of the gas flow transducer 2, it will not be described here.
In addition, the electronic cigarette further includes atomizing component 3, wherein the atomizing component 3 is located in the smoke pipe 1, and with
The circuit board 10 of the gas flow transducer 2 connects, in the gas flow transducer 2 conductive film 30 and metal shell 40 it is mutual
Smog is generated when close.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
The method of certain parts of example or embodiment.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of gas flow transducer characterized by comprising
Circuit board；
Grating ring, the first end of the grating ring are connected on the circuit board；
Conductive film, the conductive film are connected to the second end of the grating ring；
Metal shell, the metal shell are located at the side that the conductive film deviates from the circuit board, the metal shell and institute
It states conductive film and is separated by a gap, the metal shell is connect with the circuit board.
2. gas flow transducer according to claim 1, which is characterized in that the both ends of the conductive film and the metal shell
Between be equipped with insulating layer, offer at least one through-hole on the metal shell.
3. gas flow transducer according to claim 2, which is characterized in that the metal shell deviates from the conductive film side
Equipped with the waterproof net for covering the through-hole.
4. gas flow transducer according to claim 1, which is characterized in that the metal shell is wrapped on the outside of the grating ring
And the conductive film deviates from the side of the circuit board, and the both ends of the metal shell are connected to the circuit board
Both ends；Wherein, there is cavity between the grating ring and the metal shell.
5. gas flow transducer according to claim 4, which is characterized in that be filled with insulating materials in the cavity.
6. gas flow transducer according to claim 1-5, which is characterized in that the circuit board is equipped with ground connection
End, power end and output end；
The first end of the grating ring is connect with the output end, and is connect by resistance with the ground terminal；
The power end is connect with the metal shell.
7. gas flow transducer according to claim 1-5, which is characterized in that when the metal shell is away from described
When conductive film side has air-flow to pass through, deformation occurs towards the metal shell side for the conductive film.
8. gas flow transducer according to claim 7, which is characterized in that when the flow velocity of the air-flow is greater than a threshold value,
The conductive film is in contact with the metal shell.
9. a kind of electronic cigarette, which is characterized in that including smoke pipe and the described in any item gas flow transducers of claim 1-8, institute
Gas flow transducer is stated to be located in the smoke pipe.
10. electronic cigarette according to claim 9, which is characterized in that further include:
Atomizing component, the atomizing component are located in the smoke pipe, and are connect with the circuit board of the gas flow transducer, are used for
The conductive film and metal shell of the gas flow transducer generate smog when close to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821717343.XU CN209300274U (en) | 2018-10-22 | 2018-10-22 | Electronic cigarette and its gas flow transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821717343.XU CN209300274U (en) | 2018-10-22 | 2018-10-22 | Electronic cigarette and its gas flow transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209300274U true CN209300274U (en) | 2019-08-27 |
Family
ID=67671275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821717343.XU Active CN209300274U (en) | 2018-10-22 | 2018-10-22 | Electronic cigarette and its gas flow transducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209300274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4039114A4 (en) * | 2019-09-30 | 2022-12-28 | Shenzhen First Union Technology Co., Ltd. | Air flow sensor and electronic cigarette |
-
2018
- 2018-10-22 CN CN201821717343.XU patent/CN209300274U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4039114A4 (en) * | 2019-09-30 | 2022-12-28 | Shenzhen First Union Technology Co., Ltd. | Air flow sensor and electronic cigarette |
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Effective date of registration: 20200615 Address after: 266104 room 103, 396 Songling Road, Laoshan District, Qingdao, Shandong Province Patentee after: Goer Microelectronics Co.,Ltd. Address before: 266104 Laoshan Qingdao District North House Street investment service center room, Room 308, Shandong Patentee before: GOERTEK TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
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Address after: F / F, phase II, Qingdao International Innovation Park, 1 Keyuan Weiyi Road, Laoshan District, Qingdao City, Shandong Province, 266104 Patentee after: Geer Microelectronics Co.,Ltd. Address before: Room 103, 396 Songling Road, Laoshan District, Qingdao City, Shandong Province 266104 Patentee before: Goer Microelectronics Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231113 Address after: 261206 No.2 Zhengtai Road, Fangzi District, Weifang City, Shandong Province Patentee after: WEIFANG ZHENGDA INDUSTRY CO.,LTD. Address before: F / F, phase II, Qingdao International Innovation Park, 1 Keyuan Weiyi Road, Laoshan District, Qingdao City, Shandong Province, 266104 Patentee before: Geer Microelectronics Co.,Ltd. |
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| TR01 | Transfer of patent right |