CN215529267U - Earcap structure and earphone - Google Patents
Earcap structure and earphone Download PDFInfo
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- CN215529267U CN215529267U CN202121353076.4U CN202121353076U CN215529267U CN 215529267 U CN215529267 U CN 215529267U CN 202121353076 U CN202121353076 U CN 202121353076U CN 215529267 U CN215529267 U CN 215529267U
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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
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Abstract
The application discloses an earcap structure for earphone, earcap structure can overlap and locate on the sound mouth of earphone, earcap structure includes: the first cap body comprises a first end and a second end, the first end and the second end are oppositely arranged, and the first end is in an open shape; the second cap body comprises a first end face and a second end face opposite to the first end face, the first end face of the second cap body is connected with the second end of the first cap body, the second cap body is provided with a groove, the second cap body is made of elastic materials, and when the second cap body is arranged in an ear canal and is extruded, the distance between the second end of the first cap body and the second end face of the second cap body is shortened from the first distance when the second cap body is not extruded to the second distance when the second cap body is extruded. The length of the ear cap structure of the present application is adjustable to enable a better matching of the ear cap and the ear canal of the user of the earphone.
Description
Technical Field
The application relates to the technical field of earphones, in particular to an earcap structure for an earphone and an earphone.
Background
An earphone, in particular an in-ear earphone, is an earphone for use inside the ear canal of a human being, which in use plugs at the entrance of the ear canal of the user, and seals the ear canal of the user (also referred to herein as the user). This seal provides two functions: 1. the interference of external noise to audio frequencies such as conversation voice, audio and video, music and the like is reduced. 2. The closed environment that provides has reduced audio signal's revealing, lets the low frequency powerful, also makes audio signal can not exert an influence to external environment simultaneously. The tube of such an in-ear headphone will be connected to the ear muff and inserted into the front half of the ear canal of the user to create a sealed hearing environment.
However, because different users have different ear shapes (especially ear canal shapes), some users need to adjust the length of the earcap to achieve better wearing comfort, and the conventional earcap cannot adjust the length by themselves, and the like, the requirements of different users on earcaps are usually met by equipping the users with earcaps of various sizes, and the users only need a pair of proper earcaps in fact, so that the waste of other equipped earcaps is caused, and the cost is increased.
There is therefore a need for an improved ear cap that addresses the above-mentioned problems.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, this application provides an earcap structure for earphone, the earcap structure can overlap and locate on the play sound mouth of earphone, the earcap structure includes:
the first cap body comprises a first end and a second end, the first end and the second end are oppositely arranged, and the first end is in an open shape;
the second cap body comprises a first end face and a second end face opposite to the first end face, the first end face of the second cap body is fixedly connected with the second end of the first cap body, the second cap body is provided with a groove, the second cap body is made of elastic materials, and when the second cap body is arranged in an ear canal and is extruded, the distance between the second end of the first cap body and the second end face of the second cap body is shortened from the first distance when the second cap body is not extruded to the second distance when the second cap body is extruded.
In one example, the diameter of the second cap is gradually reduced along the direction of insertion of the sound outlet of the earphone into the ear canal.
In one example, a radial dimension of the second cap body is smaller than a radial dimension of the first cap body.
In one example, the second end surface of the second cap body is provided with a through hole, the through hole is communicated with a cavity formed by the enclosed bottom of the groove, and the diameter of the through hole is smaller than that of the cavity formed by the enclosed bottom of the groove.
In one example, there are a plurality of grooves, at least one of the grooves being an annular groove around a central axis of the second cap body.
In one example, the grooves are distributed at intervals on the surface of the second cap body and are recessed towards the inner part of the second cap body.
In one example, the thickness of the sidewall of the second cap is between 0.3mm to 0.8 mm.
In one example, the ear cap structure further includes a connection kit fixedly disposed in the first cap body, and the connection kit may be sleeved on the sound outlet of the earphone.
In one example, a central axis of the connection kit and a central axis of the first cap coincide, and a diameter of the connection kit is smaller than a diameter of the first cap.
The present application further provides an earphone, the earphone includes at least one sound outlet mouth and the aforementioned earcap structure, earcap structure cover is located on the sound outlet mouth.
In order to solve the above technical problems, in the ear cap structure of the present application, the second cap body is made of an elastic material and is provided with a groove, so that when the second cap body is placed in an ear canal and is squeezed, the second cap body is elastically deformed and moves towards the direction of the entrance of the ear canal, the distance between the second end of the first cap body and the second end surface of the second cap body, which is far away from the first cap body, is shortened from a first distance to a second distance, thereby shortening the length of the whole ear cap structure, and the squeezing degrees are different, the lengths of the second distances are also different, so as to realize the adjustment of the length of the ear cap structure, thereby enabling the ear canal of an ear cap and an earphone user to be better matched, improving the wearing comfort of the user, and improving the user experience, and because the length of the ear cap structure of the present application is adjustable, the ear cap structure can be flexibly suitable for different users with different ear canals, and then the user need not be equipped with multiple earcaps, has avoided too much configuration earcaps and the waste that leads to, the cost is reduced.
Drawings
The following drawings of the present application are included to provide an understanding of the present application. The drawings illustrate embodiments of the application and their description, serve to explain the principles and apparatus of the application. In the drawings, there is shown in the drawings,
FIG. 1 is a front view of an earcap structure according to an embodiment of the present application;
FIG. 2 is a partial schematic view of an ear cap structure with a portion of a first cap removed according to an embodiment of the present disclosure;
FIG. 3 is a perspective cross-sectional view of an ear cap structure according to an embodiment of the present application;
fig. 4 is a cross-sectional view of an ear cap structure according to an embodiment of the present application.
Reference numerals:
earcap structure 100
Connecting suite 103
Through-hole 1022
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present application. It will be apparent, however, to one skilled in the art, that the present application may be practiced without one or more of these specific details. In other instances, well-known features of the art have not been described in order to avoid obscuring the present application.
It is to be understood that the present application is capable of implementation in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Like reference numerals refer to like elements throughout.
It will be understood that, although the terms first, second, third, etc. may be used to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application.
Spatial relational terms such as "under," "below," "under," "above," "over," and the like may be used herein for convenience in describing the relationship of one element or feature to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
Embodiments of the present application are described herein with reference to cross-sectional illustrations that are schematic illustrations of idealized embodiments (and intermediate structures) of the application. As such, variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, are to be expected. Thus, embodiments of the present application should not be limited to the particular shapes of regions illustrated herein but are to include deviations in shapes that result, for example, from manufacturing. Thus, the regions illustrated in the figures are schematic in nature and their shapes are not intended to illustrate the actual shape of a region of a device and are not intended to limit the scope of the present application.
In order to solve the earmuff quantity that present user was equipped with many and lead to extravagant, the problem of increase cost, this application proposes an earcap structure for earphone, and the earcap structure can be located on the play sound mouth of earphone by the cover, and this earcap structure includes: the first cap body comprises a first end and a second end, the first end and the second end are oppositely arranged, and the first end is in an open shape; the second cap body comprises a first end surface and a second end surface opposite to the first end surface, and the first end surface of the second cap body is connected with the second end of the first cap body; the second cap body is provided with a groove; the second cap body is made of an elastic material, and when the second cap body is placed in the ear canal and is squeezed, the distance between the second end of the first cap body and the second end face of the second cap body is shortened from a first distance when the second cap body is not squeezed to a second distance when the second cap body is squeezed.
The second cap body in the ear cap structure is made of elastic material and is provided with the groove, so when the second cap body is arranged in the auditory canal and is extruded, the second cap body can generate elastic deformation and moves towards the direction of the entrance of the auditory canal, the distance between the second end of the first cap body and the second end face of the second cap body far away from the first cap body is shortened from the first distance to the second distance, thereby shortening the length of the whole ear cap structure, the extruding degrees are different, the length of the second distance is different, so as to realize the adjustment of the length of the ear cap structure, thereby leading the auditory canals of the ear cap and an earphone user to be better matched, improving the wearing comfort level of the user, improving the use experience of the user, and being capable of flexibly being suitable for different users with different auditory canals due to the adjustable length of the ear cap structure, and then the user need not be equipped with multiple earcaps, has avoided too much configuration earcaps and the waste that leads to, the cost is reduced.
An ear cap structure for a headphone according to an embodiment of the present application will be described in more detail with reference to fig. 1 to 4, in which fig. 1 is a front view of the ear cap structure according to an embodiment of the present application; FIG. 2 is a partial schematic view of an ear cap structure with a portion of a first cap removed according to an embodiment of the present disclosure; FIG. 3 is a perspective cross-sectional view of an ear cap structure according to an embodiment of the present application; fig. 4 is a cross-sectional view of an ear cap structure according to an embodiment of the present application.
As an example, the present application provides an ear cap structure for an earphone, the ear cap structure being capable of being sleeved on a sound outlet of the earphone, as shown in fig. 1, the ear cap structure 100 includes a first cap body 101, the first cap body 101 includes a first end and a second end, the first end and the second end are disposed opposite to each other, and when the ear cap structure 100 is sleeved on the sound outlet of the earphone, the first end is closer to the sound outlet of the earphone than the second end. In other examples, the second end may also be closer to the output mouthpiece of the earphone than the first end.
Optionally, the first cap body 101 has a hollow structure inside, and the first end of the first cap body 101 is open. In one example, the shape of the first cap 101 may be any suitable shape, such as a semi-spherical shape, an elliptical spherical shape, a cylindrical shape, etc., and optionally, the radial dimension of the first cap 101 may gradually increase and gradually decrease along the direction of insertion of the sound outlet of the earphone into the ear canal. Through such setting, first cap body 101 stopper can improve the leakproofness to the duct in user's duct entrance during the use, reduces external noise to the interference of audio frequencies such as conversation pronunciation, audio-visual, music, has reduced audio signal's revealing, lets the low frequency powerful strong, also makes audio signal can not exert an influence to external environment simultaneously.
Alternatively, the first cap body 101 may be made of an elastic material, which may include, but is not limited to, silicone or any other material having elasticity. Because first cap body 101 has elasticity, and its inside cavity, consequently the part of first cap body 101 contact ear can exert the expansion force to the ear equally when receiving the extrusion, and then laminating duct entry that can be better improves the leakproofness, simultaneously, can also prevent to drop from the duct when wearing in the earcap, improves the steadiness of wearing.
Further, the ear cap structure 100 of the present application further includes a second cap body 102, the second cap body 102 includes a first end surface and a second end surface opposite to the first end surface, the first end surface of the second cap body 102 is connected to the second end of the first cap body 101, a groove 1021 is provided in the second cap body 102, the second cap body 102 is made of an elastic material, when the second cap body 102 is placed in an ear canal and is pressed, a distance between the second end of the first cap body 101 and the second end surface of the second cap body 102 is shortened from a first distance to a second distance, and the second end surface of the second cap body 102 is far away from the first cap body 101, where the first distance may be a distance between the second end of the first cap body 101 and the second end surface of the second cap body 102 far away from the first cap body 101 when the second cap body 102 is not pressed (i.e., when the second cap body is not deformed). In the ear cap structure 100 of the present application, the second cap body 102 is made of an elastic material and the second cap body 102 is provided with a plurality of grooves 1021, in one example, each of the grooves 1021 is an annular groove 1021 around a central axis of the second cap body 102, and the plurality of grooves 1021 are sequentially connected along an axial direction of the second cap body 102, so as to form an entire cavity inside the second cap body 102. In another example, there are a plurality of grooves, the plurality of grooves are distributed at intervals on the surface of the second cap 102 and are recessed toward the inside of the second cap 102, that is, toward the direction of the central axis of the second cap 102, the grooves may be in the shape of a pit, a hemisphere, a water drop, a square, etc., and the size of the grooves may be set as required. In another example, there may be at least one of the grooves being an annular groove 1021, and the other grooves may be any other shape.
Because the second cap body 102 is provided with the groove 1021, when the second cap body 102 is placed in the ear canal and is squeezed, the second cap body 102 can elastically deform towards the direction of the entrance of the ear canal and move towards the direction of the entrance of the ear canal, so that the distance between the second end of the first cap body 101 and the second end surface of the second cap body 102 far away from the first cap body 101 is shortened from the first distance when not squeezed to the second distance when squeezed, thereby shortening the axial length of the whole ear cap structure 100, and the squeezed degrees are different (i.e. the squeezed forces are different), so that the values of the second distance are also different, thereby realizing the adaptive adjustment of the length of the ear cap structure 100, thereby better matching the ear canal of the ear cap and the earphone user, improving the wearing comfort of the user, and improving the use experience of the user, and because the length of the ear cap structure 100 of the present application can be adaptively adjusted and matched according to the ear canal structure of the user, therefore, the ear cap can be suitable for different users with different auditory canals, and the users do not need to be provided with various ear caps, thereby avoiding waste caused by excessive arrangement of the ear caps and reducing the cost.
In the embodiment of the present application, the second cap body 102 is fixedly connected to the second end of the first cap body 101, for example, the second cap body 102 and the first cap body 101 are integrally formed, the outer contours of the first cap body 101 and the second cap body 102 are streamline, and the second cap body 102 is connected to the second end of the first cap body 101, that is, the second end of the first cap body 101 is the first end surface of the second cap body 102 during the integral forming, and the first end of the first cap body 101 is open, and thus can be sleeved on the sound outlet of the earphone.
Alternatively, the second cap 102 and the first cap 101 may be connected by other suitable connecting structures, such as a resilient connecting structure.
In one example, the diameter of the second cap 102 is gradually decreased along the insertion direction of the sound outlet of the earphone, so that the outer contour of the second cap 102 is disposed obliquely, when the outer contour of the second cap 102 is pressed, a pressure toward the entrance of the ear canal may be generated, so that the groove 1021 disposed on the second cap 102 is contracted, that is, the space in the groove 1021 is reduced, so that the second cap 102 is deformed toward the entrance of the ear canal before being pressed, and the length of the entire ear cap structure 100 is reduced.
In order to achieve better sealing performance, the radial dimension of the second cap body 102 is smaller than that of the first cap body 101, after the ear cap structure 100 is inserted into an ear canal, the first cap body 101 is located at an entrance of the ear canal, and the second cap body 102 is located inside the ear canal relative to the first cap body 101, so that the first cap body 101 with a larger size can better seal the ear canal and fix an earphone, while the second cap body 102 is usually located in the ear canal, and the problem that the wearing comfort is affected due to the fact that the ear canal is pressed too much due to the fact that the second cap body 102 is too large in size can be avoided through the arrangement.
In one example, the second cap body 102 is made of an elastic material, wherein the elastic material includes silicone or any other suitable elastic material, and the second cap body 102 is made of an elastic material such as silicone, so that the second cap body has good deformation and recovery capability and is more comfortable to use. The first cap 101 and the second cap 102 may be made of the same elastic material, or may also be made of different elastic materials. Optionally, the thickness of the sidewall of the second cap 102 is relatively thin, for example, the thickness of the sidewall of the second cap 102 is between 0.3mm and 0.8mm, or other suitable thickness. Through the thinness that sets up the thickness of the lateral wall of the second cap body 102 for the second cap body 102 is when receiving the extrusion, and elasticity is better and warp more easily and play the effect of flexible adjustable whole ear cap structure 100 length, thereby satisfies different users' the travelling comfort demand of wearing.
In one example, the thickness of the sidewall of the first cap 101 may be thicker than the thickness of the sidewall of the second cap 102, so that the first cap 101 has a good outward expansion force when being squeezed, improving the sealing performance, and when the second cap 102 is squeezed, it can be deformed more easily to the direction towards the entrance of the ear canal, so that the telescopic adjustability of the ear cap structure 100 is better, thereby satisfying the wearing comfort requirements of different users.
Further, the second end surface of the second cap body 102 (i.e. the second end far away from the first cap body 101) is provided with a through hole 1022, the through hole 1022 communicates with the cavity formed by the bottom of the groove 1021, the diameter of the through hole 1022 is smaller than that of the cavity formed by the bottom of the groove 1021, wherein the cavity formed by the bottom of the groove 1021 may be a part of the whole cavity in the second cap body 102.
In one example, as shown in fig. 2 to 4, the earcap structure 100 further includes a connection set 103 fixedly disposed in the first cap body 101, the connection set 103 can be sleeved on the sound outlet of the earphone, and the connection set 103 is, for example, a sleeve. The connecting sleeve 103 may also be made of an elastic material, and may be integrally formed with the first cap 101 and the second cap 102, or may be fixedly connected to the inside of the first cap 101 or the second cap 102 by other methods. In one example, the central axis of the connection kit 103 and the central axis of the first cap 101 coincide, and the diameter of the connection kit 103 is smaller than the diameter of the first cap 101. Optionally, when a protrusion (for example, a conduit shape) is disposed on the sound outlet of the earphone, the connection kit 103 may be sleeved on the protrusion, so as to implement that the whole ear cap structure is sleeved and fixed on the sound outlet, wherein the diameter of the connection kit 103 may be smaller than that of the protrusion, so that the connection kit 103 can be more stably sleeved on the protrusion.
To sum up, according to the earcap structure of this application, it includes the second cap body, the second cap body is made by elastic material, when the second cap body receives the extrusion, to taking place elastic deformation towards the entrance direction of duct, thereby the length of whole earcap structure has been shortened, in order to realize the self-adaptation regulation to earcap structure length, thereby make the better matching of earcap and earphone user's duct, improve user's the comfort level of wearing, promote user's use and experience, and, because the length of the earcap structure of this application is adjustable, consequently, it can be applicable to different users of different ducts, and then the user need not to be equipped with multiple earcap simultaneously, the waste that leads to has avoided too much configuration earcap, and the cost is reduced.
Further, the present application further provides an earphone, where the earphone includes at least one sound outlet and the ear cap structure 100 in any of the foregoing embodiments, and the ear cap structure 100 is sleeved on the sound outlet, and the description of the ear cap structure 100 may refer to the foregoing, and the description thereof is not repeated in this embodiment.
The earphone includes a pair of transducers which receive electrical signals from the media player or receiver and convert them into audible sound waves using speakers proximate the ears. The headset of the embodiments of the present application may be any in-ear headset, such as a wired in-ear headset, a wireless in-ear headset (e.g., a bluetooth headset), and the like.
When the earphone is a wired in-ear earphone, it may include two sound outlets, one sound outlet corresponding to the left channel and one sound outlet corresponding to the right channel, each sound outlet being connected to its own earphone line and connected to an earphone plug, the type of earphone plug may be any suitable type known to those skilled in the art, the earphone plug may be inserted into a jack of a media player or a receiver to receive an electrical signal from the media player or the receiver, and the electrical signal is converted into audible sound waves by a speaker near the ear.
For wireless in-ear headphones, such as bluetooth headphones, the wireless in-ear headphones may have one or two sound outlets, and a bluetooth module for receiving electrical signals from a media player or receiver and converting the electrical signals into audible sound waves using a speaker proximate to the ear.
In summary, the earphone of the present application has the same advantages as the ear cap structure of the foregoing because it includes the ear cap structure of the foregoing.
Although the example embodiments have been described herein with reference to the accompanying drawings, it is to be understood that the above-described example embodiments are merely illustrative and are not intended to limit the scope of the present application thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present application. All such changes and modifications are intended to be included within the scope of the present application as claimed in the appended claims.
Claims (10)
1. An earcap structure for an earphone, wherein the earcap structure is mountable over a mouthpiece of the earphone, the earcap structure comprising:
the first cap body comprises a first end and a second end, the first end and the second end are oppositely arranged, and the first end is in an open shape;
the second cap body comprises a first end face and a second end face opposite to the first end face, the first end face of the second cap body is connected with the second end of the first cap body, the second cap body is provided with a groove, the second cap body is made of elastic materials, and when the second cap body is arranged in an ear canal and is extruded, the distance between the second end of the first cap body and the second end face of the second cap body is shortened from the first distance when the second cap body is not extruded to the second distance when the second cap body is extruded.
2. The earcap structure of claim 1, wherein the diameter of the second cap body decreases gradually in a direction of insertion of the sound outlet of the earphone into the ear canal.
3. The earcap structure of claim 1, wherein the radial dimension of the second cap body is smaller than the radial dimension of the first cap body.
4. The earcap structure of claim 1 wherein the second end surface of the second cap body is provided with a through hole, the through hole communicating with a cavity defined by the bottom of the groove, the through hole having a diameter smaller than the diameter of the cavity defined by the bottom of the groove.
5. The earcap structure of claim 1 wherein said recess is a plurality of recesses, at least one of said recesses being an annular recess about a central axis of said second cap body.
6. The earcap structure of claim 1, wherein the plurality of grooves are spaced apart on the surface of the second cap body and are recessed toward the interior of the second cap body.
7. The earcap structure of claim 1, wherein the sidewall of the second cap body has a thickness between 0.3mm and 0.8 mm.
8. The earcap structure of claim 1 further comprising a coupling member disposed in the first cap body, wherein the coupling member is adapted to fit over the mouthpiece of the earphone.
9. The earcap structure of claim 8, wherein a central axis of the connection kit and a central axis of the first cap body coincide and a diameter of the connection kit is smaller than a diameter of the first cap body.
10. An earphone, characterized in that the earphone comprises at least one sound outlet and an ear cap structure according to any one of claims 1-9, which ear cap structure is placed over the sound outlet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353076.4U CN215529267U (en) | 2021-06-17 | 2021-06-17 | Earcap structure and earphone |
| PCT/CN2022/098875 WO2022262755A1 (en) | 2021-06-17 | 2022-06-15 | Ear cap structure and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353076.4U CN215529267U (en) | 2021-06-17 | 2021-06-17 | Earcap structure and earphone |
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| CN215529267U true CN215529267U (en) | 2022-01-14 |
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| CN202121353076.4U Active CN215529267U (en) | 2021-06-17 | 2021-06-17 | Earcap structure and earphone |
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| CN (1) | CN215529267U (en) |
| WO (1) | WO2022262755A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022262755A1 (en) * | 2021-06-17 | 2022-12-22 | 安克创新科技股份有限公司 | Ear cap structure and earphone |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2751497Y (en) * | 2004-12-06 | 2006-01-11 | 梁学文 | An earplug adapter and an earplug |
| CN201509312U (en) * | 2009-05-08 | 2010-06-16 | 厦门新声科技有限公司 | Standard ear canal machine |
| US20140166388A1 (en) * | 2012-12-17 | 2014-06-19 | Cotron Corporation | Ear tip |
| CN207304845U (en) * | 2017-09-12 | 2018-05-01 | 珠海声浪科技有限公司 | The adaptive earplug of gap arcs and adaptive earphone |
| CN211352407U (en) * | 2019-11-30 | 2020-08-25 | 东莞市库珀电子有限公司 | Earplug with self-adaptation telescopic |
| CN215529267U (en) * | 2021-06-17 | 2022-01-14 | 安克创新科技股份有限公司 | Earcap structure and earphone |
-
2021
- 2021-06-17 CN CN202121353076.4U patent/CN215529267U/en active Active
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2022
- 2022-06-15 WO PCT/CN2022/098875 patent/WO2022262755A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022262755A1 (en) * | 2021-06-17 | 2022-12-22 | 安克创新科技股份有限公司 | Ear cap structure and earphone |
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| WO2022262755A1 (en) | 2022-12-22 |
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