CN115633287A - Earphone and related using method and customizing method thereof - Google Patents
Earphone and related using method and customizing method thereof Download PDFInfo
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- CN115633287A CN115633287A CN202211241841.2A CN202211241841A CN115633287A CN 115633287 A CN115633287 A CN 115633287A CN 202211241841 A CN202211241841 A CN 202211241841A CN 115633287 A CN115633287 A CN 115633287A
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000005236 sound signal Effects 0.000 claims abstract description 33
- 230000004323 axial length Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 230000003750 conditioning effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 210000000613 ear canal Anatomy 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1016—Earpieces of the intra-aural type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/10—Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups
Abstract
The invention provides an earphone and a related using method and a customizing method thereof, wherein the earphone comprises the following steps: the shell is provided with a sound generation section and a hollow section which are connected with each other, and one side of the sound generation section, which is far away from the hollow section, is provided with a sound output port which is used for receiving an audio signal and generating sound according to the vibration of the audio signal; the adjusting member is connected with the hollow section and defines a resonant cavity which is arranged adjacent to the sound generating section and deviates from the side of the sound output port together with the hollow section; the adjusting components are formed into various forms, the surface shapes of the adjusting components facing to the sounding section are different, and the adjusting components in different forms are used alternatively for changing the space form of the resonant cavity, so that the sound output by the sound output port is adjusted, and the appearance size of the earphone is kept unchanged; the acoustic performance of the earphone is changed based on a simple mechanism, the earphone is prevented from shaking and falling, the structure is compact, and accurate personalized customization is realized according to the difference of the ear structure of a user and the difference of listening habits.
Description
Technical Field
The invention relates to the field of audio output equipment, in particular to an earphone and a related using method and a customizing method thereof.
Background
Existing headphone systems receive electrical signals representing audio sounds and convert the electrical signals into audio sound waves via a drive unit. The drive unit includes a diaphragm responsive to an electrical signal, the diaphragm vibrating to disturb the surrounding air, thereby causing audio sound waves. Existing headsets come in a variety of forms and can provide different levels of performance. Some earphones have sufficient low-frequency characteristics and can well respond to input signals with lower frequencies; some earphones have sufficient high-frequency characteristics and can respond to input signals with higher frequency well; these headsets often cannot accurately reproduce input signals of various frequencies.
For this reason, some high-quality earphones are provided with a high, medium and low frequency combined speaker to reproduce input signals of various frequencies; however, more electronic devices and complicated control programs are added. Still other earphones controllably vary the acoustic performance of the earphone by varying the volume of the front and/or back volume of the diaphragm; however, the overall geometry of the earphone, especially the half-in-ear type and in-ear type earphones, needs to be changed to make the center of gravity of the earphone far away from the ear of the user, which causes the earphone to shake or even fall off easily, and is not favorable for the compactness of the earphone.
In addition, the intuitive feelings of the users for the same sound output by the same earphone are different based on the differences of the auricle, the ear canal and the tympanic membrane structure of the human body and the differences of the listening habits. Most of the existing earphones are in a general form, and an obvious personalized customization form which is easy to realize is not provided; making it difficult for the user to select the headset that is best suited for his own listening.
Disclosure of Invention
In view of the above-mentioned disadvantages in the prior art, the present invention provides an earphone comprising: the shell is provided with a sound generation section and a hollow section which are connected with each other, and an acoustic output port is arranged on one side of the sound generation section, which is far away from the hollow section, and is used for receiving an audio signal and generating sound according to the audio signal vibration; and an adjustment member connected to the hollow section, the adjustment member and the hollow section together defining a resonant chamber disposed adjacent to the sound generation section and facing away from the sound output port side; the adjusting member is formed in a plurality of forms, the surface shape of the adjusting member facing the sound generating section is different in different forms, and the adjusting member in different forms is used alternatively for changing the space form of the resonance chamber, thereby adjusting the sound output from the sound output port and keeping the external dimension of the earphone unchanged.
Preferably, the adjustment member is removably connected to the hollow section.
Preferably, the adjustment member is plug-shaped, or the adjustment member is cup-shaped with an opening facing the sound emitting section.
Preferably, the adjustment member is of unitary construction.
Preferably, the adjustment member includes a base portion for connecting with the hollow section and closing an inner space of the resonance chamber.
Preferably, said adjustment member further comprises an axially and/or radially adjusting portion; the axial adjusting part is arranged on the end face, facing the sound generating section, of the other axial adjusting part or the base part and is used for adjusting the axial length of the resonant cavity; the radially adjusting portion is provided on the other radially adjusting portion or the inner surface of the hollow section for adjusting a radial dimension of the resonance chamber.
Preferably, the adjustment member further comprises an axial deformation and/or a radial deformation; the axial deformation portion is provided to an end surface of the axial adjustment portion or the base portion facing the sound emitting section, for changing an axial shape of the resonance chamber; the radial deformation portion is provided to the radial adjustment portion or an inner surface of the hollow section for changing a radial shape of the resonance chamber.
Preferably, the axial adjusting part is shaped like a flat plate, and the radial adjusting part is shaped like a sleeve.
Preferably, the axial adjustment parts are multiple, and different axial adjustment parts have the same or different thicknesses; the radial adjusting part is provided with a plurality of radial adjusting parts, and different radial adjusting parts have the same or different wall thicknesses.
Preferably, the surface of the axial deformation portion facing away from the sound generating section is a flat surface, and the surface facing toward the sound generating section is a three-dimensional curved surface.
Preferably, the axial direction adjustment portion includes a connection mechanism detachably connected to an end surface of the other axial direction adjustment portion and/or the base portion facing the sound emitting section; the axial deformation portion includes a connection mechanism detachably connected to an end surface of the axial adjustment portion and/or the base portion facing the sound generation section.
Preferably, the headset is a semi-in-ear or in-ear headset.
The invention also provides a using method of the earphone, which comprises the following steps: the earphone is characterized in that the earphone is adopted to play the audio signals of one frequency type, the adjusting components with different forms are arranged in the hollow section, the space form of the resonant cavity is changed, and the adjusting components which are suitable for the ear structure of a user and/or the listening habit of the user are selected by comparing the sound output by the sound output port to be assembled into the whole earphone for listening to the audio signals of the same frequency type.
Preferably, increasing the volume of the resonance chamber by the adjustment member reduces the bass range of sound emitted from the acoustic output port; reducing the volume of the resonance chamber by the adjustment member increases the bass range of sound emitted from the acoustic output port.
The invention also provides a method for customizing the earphone, which comprises the following steps: s1, playing the audio signal with one frequency type by adopting any one of the earphones; s2, installing the adjusting members with different forms in the hollow section, changing the space form of the resonant cavity, and selecting the adjusting member suitable for the ear structure of the user and/or the listening habit of the user based on the feedback of the user after comparing the sound output by the sound output port; s3, playing the audio signals of other frequency types by adopting the earphone, and repeating the operation of the step S2; s4, marking the corresponding relation between different frequency types of the audio signal and the specific form of the adjusting component matched with the audio signal, and providing the marked relation for a user; and S5, manufacturing the adjusting components in different forms matched with different frequency types of the audio signals, and combining the adjusting components with other structures of the earphone into a component product for providing for a user.
The invention provides an earphone and a related using method and a customizing method thereof, wherein the earphone comprises the following components: the shell is provided with a sound generation section and a hollow section which are connected with each other, and an acoustic output port is arranged on one side of the sound generation section, which is far away from the hollow section, and is used for receiving an audio signal and generating sound according to the audio signal vibration; and an adjustment member connected to the hollow section, the adjustment member and the hollow section together defining a resonant chamber disposed adjacent to the sound generation section and facing away from the sound output port side; the adjusting component is formed into a plurality of forms, the surface shapes of the adjusting components of different forms facing to the sounding section are different, and the adjusting components of different forms are used alternatively for changing the space form of the resonant cavity, so that the sound output by the sound output port is adjusted, and the external dimension of the earphone is kept unchanged; on the basis of not making electronic device and control program complicated, can change the acoustic performance of earphone in a controlled manner, prevent effectively that the earphone from rocking, droing, compact structure to the difference of user's ear structure and the difference of listening to the custom, realize accurate individualized customization moreover.
Drawings
Fig. 1 is a schematic view of an internal structure of an earphone according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an internal structure of another earphone according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a second form of the adjusting member of the earphone in the embodiment of fig. 2.
Fig. 4 is a schematic diagram of a third form of the adjusting member of the earphone in the embodiment of fig. 2 of the present invention.
Fig. 5 is a diagram illustrating a fourth form of the adjusting member of the earphone in fig. 2 according to the present invention.
Fig. 6 is a schematic diagram of a fifth form of the adjusting member of the earphone in the embodiment of fig. 2.
Fig. 7 is a diagram illustrating a sixth form of the adjusting member of the earphone in the embodiment of fig. 2 according to the present invention.
Fig. 8 is a diagram illustrating a seventh form of the adjusting member of the earphone in the embodiment of fig. 2.
Fig. 9 is a schematic view of an eighth form of the adjusting member of the earphone in the embodiment of fig. 2 of the present invention.
Fig. 10 is a diagram illustrating a ninth form of the adjusting member of the earphone in the embodiment of fig. 2 according to the present invention.
The earphone-100, the sounding section-101, the sound output port-102, the hollow section-103, the adjusting component-104, the base-1041, the axial adjusting part-1042, the radial adjusting part-1043, the axial deformation part-1044, the radial deformation part-1045, the resonant cavity-105 and the wiring harness-111.
Detailed Description
In order to solve the problems that the existing earphone has a complex mechanism, is easy to shake and fall off, has an uncompacted structure and is difficult to realize accurate personalized customization when the acoustic performance is controllably changed, the earphone and the related using method and the customizing method thereof provided by the invention are realized through the following technical schemes:
example 1:
the present embodiment provides an earphone 100, please refer to fig. 1, which includes: a housing having a sound-emitting section 101 and a hollow section 103 connected to each other, the sound-emitting section 101 having a sound output port 102 on a side facing away from the hollow section 103, the sound output port 102 being configured to receive an audio signal and to vibrate and emit sound according to the audio signal; and an adjustment member 104, said adjustment member 104 connecting said hollow section 103, said adjustment member 104 and said hollow section 103 together defining a resonance chamber 105 arranged adjacent to said sound emitting section 101 and facing away from said sound output port 102; the adjusting member 104 is formed in a plurality of forms, the adjusting member 104 of different forms has different surface shapes on the side facing the sound generating section 101, and the adjusting member 104 of different forms is used alternatively for changing the spatial form of the resonance chamber 105, thereby adjusting the sound output from the sound output port 102 and keeping the external dimension of the earphone 100 unchanged.
Specifically, the hollow section 103 is hollow cylindrical. The adjustment member 104 is at least partially inserted into the hollow section 103.
Specifically, the adjusting member 104 is detachably connected to the hollow section 103 through a screw thread or a snap structure.
In particular, the conditioning member 104 is made of TPX plastic.
In particular, the adjustment member 104 is plug-shaped, or the adjustment member 104 is cup-shaped with the opening facing the sound-emitting section 101.
Specifically, the adjustment member 104 is a one-piece structure.
Specifically, referring to fig. 2, the adjusting member 104 includes a base 1041 for connecting with the hollow section 103 and enclosing the inner space of the resonance chamber 105.
Specifically, referring to fig. 3 and 4, the adjusting member 104 further includes an axial adjusting portion 1042 and/or a radial adjusting portion 1043; the axial adjusting portion 1042 is disposed on an end surface of the other axial adjusting portion 1042 or the base 1041 facing the sound generating section 101, and is used for adjusting an axial length of the resonance chamber 105; the radially adjusting portion 1043 is disposed on the other radially adjusting portion 1043 or the inner surface of the hollow section 103 for adjusting the radial dimension, such as the radius, of the resonance chamber 105.
Specifically, referring to fig. 5 to 10, the adjusting member 104 further includes an axial deformation portion 1044 and/or a radial deformation portion 1045; the axial deformation 1044 is provided to the end surface of the axial adjusting portion 1042 or the base 1041 facing the sound emitting section 101 for changing the axial shape of the resonance chamber 105; the radial deformation portion 1045 is provided on the inner surface of the radial adjustment portion 1043 or the hollow section 103 for changing the radial shape of the resonance chamber 105.
Specifically, the axial adjusting portion 1042 is a flat plate, and the radial adjusting portion 1043 is a sleeve.
Specifically, there are a plurality of the axial adjusting portions 1042, and different ones of the axial adjusting portions 1042 have the same or different thicknesses; the number of the radial adjustment portions 1043 is plural, and different ones of the radial adjustment portions 1043 have the same or different wall thicknesses. A plurality of the axial adjusting portions 1042 can be stacked to adjust the overall axial length; a plurality of the radial adjustment portions 1043 can be nested for use to adjust the overall inner surface radial dimension.
Specifically, the surface of the axial deformation part 1044 on the side away from the sound generating section 101 is a plane, and the surface on the side facing the sound generating section 101 is a three-dimensional curved surface. For example, the surface shape of the axial deformation 1044 on the side facing the sound generating section 101 is at least one of the following shapes: convex arc surface, concave arc surface, central wavy surface, radial broken line curved surface. Various combinations of the axial adjusting portion 1042, the radial adjusting portion 1043, the axial deforming portion 1044, and/or the radial deforming portion 1045 enable the adjusting member 104 to be formed in various forms.
Specifically, the axial direction adjusting portion 1042 is provided with a connecting mechanism detachably connected to the end surface of the other axial direction adjusting portion 1042 and/or the base 1041 facing the sound generating section 101; the axial deforming part 1044 includes a connecting mechanism detachably connected to the axial adjusting part 1042 and/or an end surface of the base part 1041 facing the sound generating section 101.
In particular, the earphone 100 is a semi-in-ear or in-ear earphone. The earphone 100 is a wired earphone or a wireless earphone; when the earphone 100 is a wired earphone, a harness 111 is provided.
Example 2:
the invention also provides a using method of the earphone, which comprises the following steps: the earphone 100 of any one of the foregoing embodiments is used to play the audio signal of one frequency type, the adjusting members 104 with different shapes are installed in the hollow section 103, the spatial shape of the resonant cavity 105 is changed, and the adjusting members 104 suitable for the ear structure and/or the listening habit of the user are selected by comparing the sound output from the sound output port 102 to assemble the whole earphone 100 for listening to the audio signal of the same frequency type.
Specifically, increasing the volume of the resonance chamber 105 by the regulation member 104 reduces the bass range of the sound emitted from the acoustic output port 102; reducing the volume of the resonance chamber 105 by the regulating member 104 increases the bass range of the sound emitted from the sound output port 102.
Example 3:
the invention also provides a method for customizing the earphone, which comprises the following steps: s1, playing the audio signal with one frequency type by adopting any one of the earphones 100; s2, installing the adjusting members 104 with different shapes on the hollow section 103, changing the spatial shape of the resonant cavity 105, and selecting the adjusting members 104 suitable for the ear structure of the user and/or the listening habits of the user based on the feedback of the user after comparing the sound output by the sound output port 102; s3, playing the audio signals of other frequency types by adopting the earphone 100, and repeating the operation of the step S2; s4, labeling the corresponding relation between different frequency types of the audio signal and the concrete form of the adjusting component 104 matched with the audio signal, and providing the labeled relation for a user; and S5, manufacturing the adjusting member 104 with different forms matched with different frequency types of the audio signal, and combining the adjusting member 104 with other structures of the earphone 100 into a component product for providing to a user.
Specifically, in step S5, the adjusting members 104 in different shapes are integrally formed by injection molding, so as to be convenient for users to take.
The three embodiments described above propose a headset 100 and related methods of use and customization, the headset 100 comprising: a housing having a sound-emitting section 101 and a hollow section 103 connected to each other, the sound-emitting section 101 having a sound output port 102 on a side facing away from the hollow section 103, the sound output port 102 being configured to receive an audio signal and to vibrate and emit sound according to the audio signal; and an adjustment member 104, said adjustment member 104 connecting said hollow section 103, said adjustment member 104 and said hollow section 103 together defining a resonance chamber 105 arranged adjacent to said sound emitting section 101 and facing away from said sound output port 102; the adjusting member 104 is formed in a plurality of forms, the adjusting member 104 of different forms has different surface shapes on the side facing the sound generating section 101, and the adjusting member 104 of different forms is used alternatively for changing the spatial form of the resonance chamber 105, thereby adjusting the sound output from the sound output port 102 and keeping the external dimension of the earphone 100 unchanged; on the basis of not making electronic devices and control programs complicated, the acoustic performance of the earphone 100 can be controllably changed, the earphone 100 is effectively prevented from shaking and falling off, the structure is compact, and accurate personalized customization is realized according to the difference of ear structures of users and the difference of listening habits.
It should be noted that the above-mentioned embodiments are provided for further detailed description of the present invention, and the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make various modifications and variations on the above-mentioned embodiments without departing from the scope of the present invention.
Claims (15)
1. An earphone, comprising: the shell is provided with a sounding section and a hollow section which are connected with each other, and an acoustic output port is arranged on one side of the sounding section, which is far away from the hollow section, and is used for receiving an audio signal and generating sound according to the audio signal vibration; and an adjustment member connected to the hollow section, the adjustment member and the hollow section together defining a resonant chamber disposed adjacent to the sound generation section and facing away from the sound output port side; the adjusting member is formed in a plurality of forms, the surface shape of the adjusting member facing the sound generating section is different in different forms, and the adjusting member in different forms is used alternatively for changing the space form of the resonance chamber, thereby adjusting the sound output from the sound output port and keeping the external dimension of the earphone unchanged.
2. The headset of claim 1, wherein the adjustment member is removably connected to the hollow section.
3. The earphone according to claim 2, wherein the adjustment member is plug-shaped or cup-shaped with the opening facing the sound emitting section.
4. The headset of claim 3, wherein the adjustment member is a unitary structure.
5. The earphone according to claim 3, wherein the adjustment member comprises a base portion for connecting with the hollow section and enclosing the inner space of the resonance chamber.
6. The earphone according to claim 5, wherein the adjustment member further comprises an axially adjusting portion and/or a radially adjusting portion; the axial adjusting part is arranged on the end face, facing the sound generating section, of the other axial adjusting part or the base part and is used for adjusting the axial length of the resonant cavity; the radial adjusting part is arranged on the inner surface of the other radial adjusting part or the hollow section and is used for adjusting the radial size of the resonant cavity.
7. The earphone according to claim 6, wherein the adjustment member further comprises an axial deformation and/or a radial deformation; the axial deformation portion is provided to an end surface of the axial adjustment portion or the base portion facing the sound emitting section for changing an axial shape of the resonance chamber; the radial deformation portion is provided to the radial adjustment portion or an inner surface of the hollow section for changing a radial shape of the resonance chamber.
8. The earphone according to claim 7 wherein the axially adjustable portion is flat and the radially adjustable portion is sleeve-shaped.
9. The earphone according to claim 8, wherein the plurality of axial adjustment portions are different from each other in thickness; the radial adjusting part is provided with a plurality of radial adjusting parts, and different radial adjusting parts have the same or different wall thicknesses.
10. The earphone according to claim 9, wherein the shape of the surface of the axially deformed portion on the side away from the sound emitting section is a flat surface, and the shape of the surface on the side toward the sound emitting section is a three-dimensional curved surface.
11. The earphone according to claim 10, wherein the axial direction adjustment portion is provided with a connection mechanism detachably connected to an end surface of the other axial direction adjustment portion and/or the base portion facing the sound emitting section; the axial deformation portion includes a connection mechanism detachably connected to an end surface of the axial adjustment portion and/or the base portion facing the sound generation section.
12. The headset of any one of claims 1-10, wherein the headset is a semi-in-ear or in-ear headset.
13. A method of using a headset, comprising the steps of: playing a frequency type of the audio signal with the earphone of any one of claims 1-12, installing different forms of the adjustment members in the hollow section, changing the spatial form of the resonance chamber, and selecting the adjustment members suitable for the ear structure and/or the listening habit of the user by comparing the sound outputted from the sound output port to assemble the earphone as a whole for listening to the same frequency type of the audio signal.
14. The headphones defined in claim 13 wherein increasing the volume of the resonance chamber by the adjustment member reduces the bass range of sound emanating from the acoustic output port; reducing the volume of the resonant chamber by the adjustment member increases the bass range of sound emitted from the acoustic output port.
15. A method of customizing a headset, comprising the steps of: s1, playing said audio signal of a frequency type using the earphone of any one of claims 1-12; s2, installing the adjusting members with different forms in the hollow section, changing the space form of the resonant cavity, and selecting the adjusting member suitable for the ear structure of the user and/or the listening habit of the user based on the feedback of the user after comparing the sound output by the sound output port; s3, playing the audio signals of other frequency types by adopting the earphone, and repeating the operation of the step S2; s4, marking the corresponding relation between different frequency types of the audio signal and the specific form of the adjusting component matched with the audio signal, and providing the marked relation for a user; and S5, manufacturing the adjusting components in different forms matched with different frequency types of the audio signals, and combining the adjusting components with other structures of the earphone into a component product for providing for a user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211241841.2A CN115633287A (en) | 2022-10-11 | 2022-10-11 | Earphone and related using method and customizing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211241841.2A CN115633287A (en) | 2022-10-11 | 2022-10-11 | Earphone and related using method and customizing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115633287A true CN115633287A (en) | 2023-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211241841.2A Pending CN115633287A (en) | 2022-10-11 | 2022-10-11 | Earphone and related using method and customizing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115633287A (en) |
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2022
- 2022-10-11 CN CN202211241841.2A patent/CN115633287A/en active Pending
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Address after: 215300 No. 2001 Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Kunshan Haifeiman Technology Group Co.,Ltd. Applicant after: Bian Fang Applicant after: Song Feifei Address before: No. 2001, Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province, 215311 Applicant before: Kunshan Haifeiman Technology Group Co.,Ltd. Applicant before: Bian Fang Applicant before: Song Feifei |
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Effective date of registration: 20231113 Address after: 215300 No. 2001 Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Kunshan Haifeiman Technology Group Co.,Ltd. Address before: 215300 No. 2001 Yingbin West Road, Bacheng Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: Kunshan Haifeiman Technology Group Co.,Ltd. Applicant before: Bian Fang Applicant before: Song Feifei |
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