CN115604622B - Adjustable headphones - Google Patents
Adjustable headphonesInfo
- Publication number
- CN115604622B CN115604622B CN202211353628.0A CN202211353628A CN115604622B CN 115604622 B CN115604622 B CN 115604622B CN 202211353628 A CN202211353628 A CN 202211353628A CN 115604622 B CN115604622 B CN 115604622B
- Authority
- CN
- China
- Prior art keywords
- rotating ring
- annular sleeve
- earphone
- adjustable
- frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Abstract
本发明公开一种可调节的耳机，包括框架、环形套、旋转环及多个调节块，所述环形套固定于所述框架，多个所述调节块围绕所述环形套的中心分布，所述调节块呈径向可移动地设置于所述环形套上；所述旋转环可转动地设置于所述环形套上且位于所述调节块的内侧；所述调节块的内侧壁设有抵接部，所述旋转环的外侧壁设有驱动部，以在所述旋转环转动时通过所述驱动部驱动所述抵接部，使得所述调节块沿径向可调节。本发明的耳机可径向调节以适用于不同耳道大小，调节方便。
The present invention discloses an adjustable earphone comprising a frame, an annular sleeve, a rotating ring, and a plurality of adjustment blocks. The annular sleeve is fixed to the frame, and the plurality of adjustment blocks are distributed around the center of the annular sleeve. The adjustment blocks are radially movably disposed on the annular sleeve. The rotating ring is rotatably disposed on the annular sleeve and located inside the adjustment blocks. The inner sidewall of the adjustment block is provided with an abutment portion, and the outer sidewall of the rotating ring is provided with a driving portion. When the rotating ring rotates, the driving portion drives the abutment portion, thereby making the adjustment blocks radially adjustable. The earphone of the present invention can be radially adjusted to accommodate different ear canal sizes, and adjustment is convenient.
Description
Technical Field
The invention relates to an earphone, in particular to an adjustable earphone which can be radially adjusted to be suitable for different auditory meatus sizes and is convenient to adjust.
Background
The earphone is a small-sized audio device, and a user can listen to audio or talk only by hiding the small-sized device at the ear without directly using a loudspeaker of communication equipment (a mobile phone, a computer and the like). The existing earphone generally comprises a frame, a sound transmission pipe, an earcap and other structures, when the earphone is worn, the sound transmission pipe and the earcap extend into the auditory canal, and the frame is arranged outside the auditory canal, so that the size of the sound transmission pipe is fixed, and the existing earphone is worn by extruding the earphone into the auditory canal by extruding force of a user, and friction force is generated between the extrusion and the auditory canal to prevent the earphone from falling. However, since the audience of the earphone is many, the ear canal of different personnel is different in size, when wearing the same earphone, the problem of inflammation of the ear canal is easily caused by unsuitable earphone, and the earphone is more fallen off or is not worn in the ear.
Disclosure of Invention
The invention aims to provide an adjustable earphone which can be radially adjusted to be suitable for different auditory meatus sizes and is convenient to adjust.
In order to achieve the above purpose, the adjustable earphone comprises a frame, an annular sleeve, a rotating ring and a plurality of adjusting blocks, wherein the annular sleeve is fixed on the frame, the adjusting blocks are distributed around the center of the annular sleeve and are arranged on the annular sleeve in a radial movable mode, the rotating ring is rotatably arranged on the annular sleeve and is positioned on the inner side of the adjusting blocks, an abutting portion is arranged on the inner side wall of the adjusting block, and a driving portion is arranged on the outer side wall of the rotating ring so that the abutting portion can be driven by the driving portion when the rotating ring rotates, and the adjusting block can be adjusted in the radial direction.
Compared with the prior art, the annular sleeve is provided with the plurality of adjusting blocks, the adjusting blocks are enabled to move radially, the adjusting blocks are distributed around the center of the annular sleeve, the rotating rings are arranged in the adjusting blocks, the outer side walls of the rotating rings are provided with the driving parts, and the inner side walls of the adjusting blocks are provided with the abutting parts, so that the abutting parts can be driven by the driving parts through rotating the rotating rings, and the adjusting blocks can be driven to move radially, so that the purpose of adjusting the diameter of a circular structure formed by the adjusting blocks is achieved. Therefore, after the earphone is placed into the auditory canal, the adjusting block can be contacted with the inner walls of the auditory canal with different sizes by adjusting the diameter of the circular structure, so that the earphone is more comfortable to wear and is suitable for auditory canals with different sizes. In addition, the rotary ring is only required to be rotated for adjustment, and the operation is very simple and convenient.
Preferably, one of two opposite sides of the driving part and the abutting part is provided with a driving inclined plane, and the other one of two opposite sides of the driving part and the abutting part is provided with a matching inclined plane which can slide and abut against the driving inclined plane so as to drive the adjusting block to move when the driving part and the abutting part abut against each other. By arranging the driving inclined plane, the driving part can push the adjusting block to move more easily, so that the smoothness and stability of the action are ensured.
Specifically, the driving inclined plane is provided with a plurality of positioning concave parts, the abutting part is provided with positioning convex parts, and the positioning convex parts are selectively clamped in the positioning concave parts. Through setting up the location concave with the protruding cooperation of location can be so that drive part with the butt portion can mutual location after mutual adjustment, and then make the regulating block can be located on a certain position, prevent its the regulating block takes place unexpected to reset, influences the wearing of earphone.
Preferably, the adjustable earphone further comprises a sound transmission pipe, one end of the sound transmission pipe is communicated with the inside of the frame, and the other end of the sound transmission pipe is located in the rotating ring. The sound emitted in the earphone can be transmitted into the auditory canal of the user through the sound transmission tube.
Specifically, the sound transmission pipe is connected with the rotary ring. Because the volume of the rotary ring is smaller and the position is close to the frame, the operation is quite restless, and the sound transmission pipe is connected with the rotary ring, so that the sound transmission pipe can be driven to rotate, the purpose of driving the rotary ring to rotate can be achieved, and the convenience of operation is improved.
Specifically, the inner wall of swivel ring is equipped with first teeth of a cogwheel, the outer wall of sound transmission pipe is equipped with the second teeth of a cogwheel, first teeth of a cogwheel with the second teeth of a cogwheel meshing. The first gear teeth and the second gear teeth can be utilized to enable the rotary ring and the sound transmission tube to be connected and synchronously rotate together, and the rotary ring and the sound transmission tube are convenient and fast to assemble.
Specifically, the adjustable earphone further comprises an ear cap, and the ear cap is arranged at one end of the sound transmission tube far away from the frame. The earcaps can be contacted with the side walls of the auditory meatus, so that the sound transmission tube can be stabilized in the auditory meatus, and the wearing stability and comfort of the earphone are improved.
Preferably, the adjustable earphone further comprises an FPC detection module, and the FPC detection module is arranged on the outer wall of the adjusting block or the position, close to the auditory canal, of the inner surface of the frame. Through the outer wall of regulating block sets up FPC detection module, utilizes the principle of induction capacitor to detect the wearing condition of earphone, can conveniently and effectively detect whether the earphone wears in user's ear canal to be used for controlling whether the earphone plays audio frequency, both save the electric quantity, improve the convenience of use again.
Preferably, the adjustable earphone further comprises an elastic member, and the elastic member is disposed between the annular sleeve and the adjusting block to provide an elastic force for sliding the adjusting block in a central direction. Utilize the elastic component when drive portion is kept away from the butt portion, can pass through the elastic component drive the regulating block removes to central direction, thereby makes the diameter of circular structure reduces, and then can with the earphone stretches into the diameter of the part of ear canal and adjusts to less ear canal of adaptation, improves the serviceability.
Preferably, the outer side of the adjusting block is sleeved with a flexible circular ring. When the earphone is worn, the flexible circular ring can be in contact with the side wall of the auditory canal of a user, so that the earphone is more comfortable to wear on one hand, and on the other hand, earwax endocrine in the auditory canal can be adhered to the flexible circular ring, and therefore, when the earphone is removed, the flexible circular ring can be taken down for cleaning, and the cleanliness of the earphone and the auditory canal is improved.
Drawings
Fig. 1 is a perspective view of an adjustable earphone of the present invention.
Fig. 2 is an internal block diagram of the adjustable earphone of the present invention.
Fig. 3 is a front view of the internal structure of the adjustable earphone of the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is an enlarged state diagram of the adjusting block of the adjustable earphone of the present invention.
Detailed Description
In order to describe the technical content, the constructional features and the effects achieved by the present invention in detail, the following description is made with reference to the embodiments in conjunction with the accompanying drawings.
As shown in fig. 1 to 4, the adjustable earphone 100 of the present invention includes a frame 1, an annular sleeve 2, a rotating ring 3, a plurality of adjusting blocks 4, and elastic members 5 disposed in one-to-one correspondence with the adjusting blocks 4, wherein the annular sleeve 2 is fixed on the frame 1, the number of the adjusting blocks 4 is four, each of the adjusting blocks 4 is in a circular arc shape, all the adjusting blocks 4 are distributed around the center of the annular sleeve 2 and form a circular structure 4a, and the circular structure 4a is disposed concentrically with the annular sleeve 2. The adjusting block 4 is movably arranged on the annular sleeve 2 along the diameter direction of the circular structure 4a, so that the diameter of the circular structure 4a is variable. Specifically, a sliding rail 21 is radially arranged on one side of the annular sleeve 2, which is close to the adjusting block 4, and the adjusting block 4 is arranged in one-to-one correspondence with the sliding rail 21 and slides along the sliding rail 21. The sliding rail 21 is a long through hole formed along the diameter direction of the annular sleeve 2, the adjusting block 4 is provided with a sliding shaft pin 41 extending along the central axis direction of the annular sleeve 2, and the sliding shaft pin 41 is inserted into the long through hole in a sliding manner. The rotating ring 3 is rotatably arranged on the annular sleeve 2 around the central axis of the annular sleeve 2 and is positioned inside the circular structure 4a formed by the adjusting block 4. The inner side wall of the adjusting block 4 is provided with an abutting portion 42, the outer side wall of the rotating ring 3 is provided with a driving portion 31, and the driving portion 31 slidably abuts against the abutting portion 42, so that the abutting portion 42 is driven by the driving portion 31 when the rotating ring 3 rotates, and the adjusting block 4 moves in the radial direction. The elastic member 5 is disposed between the annular sleeve 2 and the adjusting block 4, so as to provide an elastic force for sliding the adjusting block 4 in the center direction. The elastic member 5 is a compression spring. By using the elastic piece 5, when the rotating ring 3 reversely rotates, the adjusting block 4 can be driven to move towards the center direction by the elastic piece 5, so that the diameter of the circular structure 4a is reduced, and the diameter of the part of the earphone extending into the auditory canal can be reduced, so that the small auditory canal can be adapted, and the applicability can be improved.
Referring to fig. 3 and 4, a gap 4b is formed between two adjacent adjusting blocks 4, and the gap 4b communicates with the inner side and the outer side of the circular structure 4 a. Therefore, the adjusting blocks 4 can not interfere with each other when moving towards the center direction, and the inner side and the outer side of the circular structure 4a can be communicated, so that the communication between the auditory meatus and the outside is ensured after the earphone is worn, the purposes of ventilating the auditory meatus and keeping dry are achieved, and the health and sanitation of the earphone are guaranteed.
One of the two opposite sides of the driving portion 31 and the abutting portion 42 is provided with a driving inclined surface 311 to drive the adjusting block 4 to move when the two abut against each other. The other of the opposite sides of the driving portion 31 and the abutting portion 42 is provided with a mating slope 421 slidably abutting against the driving slope 311. The driving part 31 of the present invention is provided with a driving inclined surface 311 on the outer side, and the abutting part 42 of the adjusting block 4 is provided with a matching inclined surface 421 on the inner side. By providing the driving inclined surface 311, the driving portion 31 may push the adjusting block 4 to move more easily, so as to ensure smooth and stable motion. The driving inclined surface 311 is provided with a plurality of positioning recesses 312, the matching inclined surface 421 of the abutting portion 42 is provided with a positioning protrusion 422, and the positioning protrusion 422 is selectively clamped in the positioning recesses 312. Through setting up the indent 312 with the protruding 422 cooperation of location, can make drive portion 31 with the butt portion 42 can mutual location after mutual adjustment, and then make regulating block 4 can be located in a certain position, prevent its regulating block 4 takes place unexpected to reset, influences wearing of earphone. In addition, the arc diameter of the positioning protrusion 422 is 1.5 to 2 times that of the positioning recess 312, so that the two parts can be firmly positioned and can be conveniently separated when the driving inclined plane 311 and the matching inclined plane 421 slide relatively, thereby improving the convenience of use.
Referring to fig. 1 and 2, the adjustable earphone 100 further includes a sound tube 6 and an ear cap 7, one end of the sound tube 6 is communicated with the inside of the frame 1, the other end of the sound tube 6 is located in the rotating ring 3, and the sound tube 6 and the rotating ring 3 are coaxially arranged and connected with each other. The sound emitted in the earphone can be transmitted into the auditory canal of the user through the sound transmission tube 6. Because the volume of the rotary ring 3 is smaller and the position is close to the frame 1, the operation is more restless, and the sound transmission pipe 6 is connected with the rotary ring 3, so that the sound transmission pipe 6 can be driven to rotate, the purpose of driving the rotary ring 3 to rotate can be achieved, and the convenience of operation is improved. Specifically, the inner wall of the rotary ring 3 is provided with first gear teeth 32, the outer wall of the sound transmission tube 6 is provided with second gear teeth 61, and the first gear teeth 32 are meshed with the second gear teeth 61. The first gear teeth 32 and the second gear teeth 61 can be utilized to enable the rotary ring 3 and the sound transmission tube 6 to be connected and synchronously rotate together, and the rotary ring 3 and the sound transmission tube 6 can be assembled more conveniently and rapidly. The earcap 7 is arranged at one end of the sound transmission tube 6 away from the frame 1. The earcaps 7 can be contacted with the side walls of the auditory meatus, so that the sound transmission tube 6 can be stabilized in the auditory meatus, and the wearing stability and comfort of the earphone are improved. The earcap 7 is made of a rubber material.
As shown in fig. 2, the adjustable earphone 100 further includes an FPC detection module 8, where the FPC detection module 8 is disposed on the outer wall of the adjusting block 4. The frame 1 is internally provided with a battery circuit (not shown in the figure), a Bluetooth transceiver module (not shown in the figure) and an audio component (not shown in the figure), all the circuits are integrated on a copper-clad circuit board (not shown in the figure), the copper-clad circuit board and the audio component are electrically connected and positioned in the frame 1, and the FPC detection module 8 is electrically connected with the copper-clad circuit board. Through set up FPC detection module 8 in the outer wall of regulating block 4, utilize the principle of induction capacitor to detect the wearing condition of earphone and detect promptly whether the earphone is close to human skin tissue, can conveniently and effectively detect whether the earphone wears in user's ear canal to be used for controlling whether the earphone plays audio frequency, both save the electric quantity, improve the convenience of use again. The number of the FPC detection modules 8 is two, and the FPC detection modules are respectively and correspondingly arranged on the outer walls of the two adjusting blocks 4 one by one, or one of the FPC detection modules can be arranged on the outer wall of one adjusting block 4, and the other FPC detection module is arranged on the inner surface of the frame close to the auditory canal. Therefore, the problem that when a user takes the earphone, the user touches a single FPC detection module 8 by mistake, and audio is played when the earphone is not placed in the auditory canal is solved to a certain extent, and the detection accuracy is improved. It is worth mentioning that, because the user uses the earphone to adjust, human auditory canal size difference is less, the distance of movement of regulating block 4 is little, belongs to fine setting, and the user is when turning sound transmission pipe 6 and swivel ring 3, the inside circuit electric wire of earphone even receives regulating block 4's influence less.
Referring to fig. 1 again, a flexible ring 9 is sleeved on the outer side of the adjusting block 4. The flexible circular ring 9 is movably connected with the adjusting block 4, and the flexible circular ring 9 can be detached. When wearing the earphone, the flexible ring 9 can be contacted with the side wall of the auditory canal of a user, so that the earphone is more comfortable to wear on one hand, and on the other hand, earwax endocrine in the auditory canal can be adhered to the flexible ring 9, so that the structure inside is prevented from being polluted. Therefore, when the earphone is removed, the flexible ring 9 can be removed for cleaning, so that the cleanliness of the earphone and the auditory canal is improved. In addition, when the diameter of the adjusting block 4 becomes larger, the adjusting block 4 can push the flexible ring 9 to extend, a gap 4b between adjacent adjusting blocks 4 still exists, the air circulation effect of the adjusting block 4 is not affected, and therefore the convenience of earphone use is improved.
The flexible ring 9 is made of elastic sponge. Because the sponge material is washable material, work as flexible ring 9 is at multiple use, after oily impurity such as earwax appears on the flexible ring 9, can be right flexible ring 9 is changed, and the sponge material is washable, thereby makes flexible ring 9 reuse, and then has reduced to a certain extent flexible ring 9's replacement cost, and the sponge material is inside to have the hole, can guarantee to make inside and the external air circulation that keeps of earphone through clearance 4 b.
In addition, the flexible ring 9 may be made of an elastic cotton sliver. When the flexible ring 9 is an elastic cotton sliver, on one hand, the elastic cotton sliver can be cleaned to realize recycling, and on the other hand, compared with a sponge material, the elastic cotton sliver has higher adsorption of grease, so that the adsorption capacity of grease secreted by the auditory canal is improved, and the cleanliness of the auditory canal is improved.
The flexible ring 9 is conical, the outer contour edge of the flexible ring 9 is of an arc-shaped structure, the small end of the flexible ring 9 is close to the earcaps 7, and the large end of the flexible ring 9 is far away from the earcaps 7. In the initial state, the outer ring diameter of the flexible ring 9 is larger than the diameter of the annular sleeve 2. Because the external auditory canal of the auditory canal is larger than the internal auditory canal, the flexible circular ring 9 is designed in a conical manner, so that the flexible circular ring 9 accords with human engineering to a certain extent, and the comfort level of the earphone is improved. By using the flexible ring 9 when the auditory canal of the wearer is small, the user does not need to rotate the sound tube 6 and the swivel ring 3, and the flexible ring 9 can still be in contact with the auditory canal, so that the user is comfortable wearing the earphone.
The driving portion 31 is made of elastic material, and the sum of the elasticity of the flexible ring 9 and the elastic force of the elastic member 5 is smaller than the elasticity of the driving portion 31. For example, the driving portion 31 is made of a resilient steel plate or a resilient patch, and the user twists the sound tube 6 and the rotating ring 3, so that the driving portion 31 pushes the adjusting block 4 to adjust, and then the rigid contact between the adjusting block 4 and the auditory canal is changed into flexible contact by using the elasticity of the driving portion, thereby improving the wearing comfort of the earphone.
In summary, the working principle of the adjustable earphone 100 of the present invention is described in detail below with reference to fig. 3 and 5, as follows:
When the earphone needs to adapt to a larger auditory canal, only the sound transmission pipe 6 needs to be rotated anticlockwise, so that the sound transmission pipe 6 drives the second gear teeth 61, the second gear teeth 61 drive the rotating ring 3 through meshing with the first gear teeth 32, the rotating ring 3 rotates to drive the driving part 31 to rotate, and the driving inclined surface 311 of the driving part 31 slidingly abuts against the matching inclined surface 421 of the abutting part 42, so that the adjusting block 4 slides along the sliding rail 21 to the outer side of the annular sleeve 2, at this time, the diameter of the circular structure 4a formed by the adjusting block 4 is enlarged, and the whole circular structure 4a is enlarged. At the same time, the adjusting block 4 compresses the elastic member 5. When the adjusting block 4 is adjusted to the target position, the positioning convex 422 is blocked in the corresponding positioning concave 312, so that the adjusting block 4 is positioned at the current position. At this time, the earphone can be adjusted and matched with the large auditory canal, so that the earphone can be stably positioned on the auditory canal and the auditory canal is more comfortable. When the earphone needs to adapt to the small auditory canal, only the sound transmission tube 6 needs to be rotated clockwise, at this time, the motion of the sound transmission tube 6, the rotating ring 3, the driving part 31 and the adjusting block 4 is opposite to the motion direction, the adjusting block 4 moves towards the center direction under the action of the elastic restoring force of the elastic piece 5, and the positioning protrusion 422 is blocked in the positioning recess 312 of the other one again, so that the diameter of the circular structure 4a becomes smaller, and the small auditory canal is adapted to the small auditory canal.
Compared with the prior art, the invention has the advantages that the plurality of the adjusting blocks 4 are arranged on the annular sleeve 2, the adjusting blocks 4 can move radially, the adjusting blocks 4 are enclosed into the circular structure 4a, the rotating ring 3 is arranged in the circular structure 4a, the driving part 31 is arranged on the outer side wall of the rotating ring 3, and the abutting part 42 is arranged on the inner side wall of the adjusting block 4, so that the abutting part 42 can be driven by the driving part 31 by rotating the rotating ring 3, and the adjusting blocks 4 can be driven to move radially, thereby achieving the purpose of adjusting the diameter of the circular structure 4 a. Therefore, after the earphone is put into the auditory canal, the adjusting block 4 can be contacted with the inner walls of auditory canals with different sizes by adjusting the diameter of the circular structure 4a, so that the earphone is more comfortable to wear and is suitable for auditory canals with different sizes. In addition, the rotary ring 3 is only required to be rotated for adjustment, and the operation is very simple and convenient.
The structure and principles of the FPC detection module 8, battery circuit, bluetooth transceiver module, and audio components of the adjustable earphone 100 of the present invention are well known to those skilled in the art and will not be described in detail herein.
The foregoing disclosure is merely illustrative of the principles of the present invention, and thus, it is intended that the scope of the invention be limited thereto and not by this disclosure, but by the claims appended hereto.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211353628.0A CN115604622B (en) | 2022-10-31 | 2022-10-31 | Adjustable headphones |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211353628.0A CN115604622B (en) | 2022-10-31 | 2022-10-31 | Adjustable headphones |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115604622A CN115604622A (en) | 2023-01-13 |
| CN115604622B true CN115604622B (en) | 2025-09-02 |
Family
ID=84851155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211353628.0A Active CN115604622B (en) | 2022-10-31 | 2022-10-31 | Adjustable headphones |
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| Country | Link |
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| CN (1) | CN115604622B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213485125U (en) * | 2020-10-20 | 2021-06-18 | 深圳市好升平科技有限公司 | Intelligent bluetooth headset of high comfort with adjustable |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0821771A2 (en) * | 2007-12-31 | 2015-06-16 | Koss Corp | Adjustable format earphones |
| CN204217097U (en) * | 2014-10-22 | 2015-03-18 | 宝德科技股份有限公司 | Multi-axis rotary in-ear earphone |
| CN106612476A (en) * | 2015-10-27 | 2017-05-03 | 陈梦飞 | External-auditory-meatus adjustable earplug type earphone |
| US10652643B2 (en) * | 2018-04-19 | 2020-05-12 | Microsoft Technology Licensing, Llc | Adjustable in-ear plug |
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2022
- 2022-10-31 CN CN202211353628.0A patent/CN115604622B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213485125U (en) * | 2020-10-20 | 2021-06-18 | 深圳市好升平科技有限公司 | Intelligent bluetooth headset of high comfort with adjustable |
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| CN115604622A (en) | 2023-01-13 |
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