CN109831716A - A kind of bone-conduction speaker - Google Patents
A kind of bone-conduction speaker Download PDFInfo
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- CN109831716A CN109831716A CN201910286433.0A CN201910286433A CN109831716A CN 109831716 A CN109831716 A CN 109831716A CN 201910286433 A CN201910286433 A CN 201910286433A CN 109831716 A CN109831716 A CN 109831716A
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- Prior art keywords
- bone
- transducing unit
- vibration
- conduction speaker
- oscillator
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- 230000002463 transducing effect Effects 0.000 claims abstract description 84
- 210000003205 muscle Anatomy 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 238000013016 damping Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 210000000988 bone and bone Anatomy 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 2
- 210000003027 ear inner Anatomy 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 210000000860 cochlear nerve Anatomy 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000001976 improved effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 210000002751 lymph Anatomy 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002985 organ of corti Anatomy 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The invention belongs to ear speaker device technical fields, are related to a kind of bone-conduction speaker.A kind of bone-conduction speaker, including external shell, transducing unit and vibration panel, transducing unit are located in external shell for generating vibration transducing unit；Bone-conduction speaker further includes oscillator bracket, and transducing unit is located in the oscillator bracket；Oscillator bracket is located in external shell, and one end of oscillator bracket is connect with vibration panel.According to the bone-conduction speaker that inventive embodiments provide, transducing unit is located in oscillator bracket, and one end of oscillator bracket is connect with vibration panel.Oscillator bracket is isolated between transducing unit and external shell, by transducing unit with external shell.One end of oscillator bracket is connect with vibration panel, and vibration panel is isolated with external shell.For transducing unit when vibration, the external shell is not felt by the vibration of transducing unit, is also not felt by the vibration of vibration panel, does not vibrate and be transmitted to external shell, so leakage sound will not be generated.
Description
Technical field
The invention belongs to ear speaker device technical fields, more particularly to a kind of bone-conduction speaker.
Background technique
Osteoacusis is a kind of sound conduction mode, i.e., converts sound to the mechanical oscillation of different frequency, passes through the cranium of people
Bone, osseous labyrinth, inner ear lymph transmitting, spiral organ, auditory nerve, auditory center transmit sound wave.It is generated relative to by vibrating diaphragm
The step of classical sound conduction mode of sound wave, osteoacusis eliminates the transmitting of many sound waves.Utilize this sound wave transfer mode
Earphone, i.e. bone conduction earphone, are popular instantly, have and are widely applied very much.
The principle of sound of bone conduction earphone is to carry out sounding by vibration.In bone conduction earphone work, transducing unit
Vibration drives auricular concha vibration, can travel to a part of vibrational energy in air in the form of a sound wave while vibration.This is
Since the transducing cell power of bone conduction earphone is bigger than the power of loudspeaker of conductance type earphone, cause so as to cause auricular concha resonance
's.Therefore, in the practical application of bone conduction earphone, the leakage sound of bone-conduction speaker is inhibited just to become bone conduction earphone raising
The key point of user experience.
The common method for eliminating leakage sound is to increase the vibration damping of transducing unit on the market at present, so that transducing unit exists
By more energy transmissions to human body when vibration, the energy for being diffused into vibration panel is reduced, so that the linkage vibration of auricular concha is reduced,
Achieve the purpose that inhibit leakage sound.But such technology still remains certain problem, i.e., when broadcast sound volume is larger, that is, changes
The vibration of auricular concha is still serious when energy cell operation energy is larger, and it is limited that leakage mail inscribes improved effect.
Summary of the invention
In view of this, the technical problems to be solved by the present invention are: there is leakage sound for existing bone-conduction speaker
Problem, the present invention can effectively inhibit to leak the bone-conduction speaker and bone conduction earphone of sound it is necessary to provide one kind.
In order to solve the above technical problems, on the one hand, the embodiment of the present invention provides a kind of bone-conduction speaker, including external shell
Body, transducing unit and vibration panel, the transducing unit are located in external shell for generating vibration, the transducing unit；Institute
Stating bone-conduction speaker further includes oscillator bracket, and the transducing unit is located in the oscillator bracket；The oscillator bracket is located at
In the external shell, one end of the oscillator bracket is connect with vibration panel.
Optionally, the transducing unit includes fixation spring tab；One end setting of the oscillator bracket is fluted；The transducing
The edge of the fixation spring tab of unit is located in the groove.
Optionally, the outside of the vibration panel further comprises folding part, and the folding part outward folding encases described
One end of oscillator bracket.
Optionally, one end of the oscillator bracket and the vibration panel pass through glue connection.
Optionally, the oscillator bracket is made of high damping material.
Optionally, the other end of the oscillator bracket is equipped with fixation hole, and the fixation hole is by the shell and the oscillator
Bracket connection.
Optionally, the transducing unit includes transducing unit kernel and oscillator elastic slice, the transducing unit kernel and described
Oscillator elastic slice is connected by muscle portion, wherein the muscle portion is curvilinear
Optionally, the curved shape of the muscle portion further comprises S-shaped, W-shaped, V-arrangement, U-shaped, zigzag or waveform.
Optionally, the vibration panel is equipped with the ventilation of the vibrational energy discharge for generating the transducing unit
Slot.
Optionally, the air channel is multiple, and the multiple air channel is annularly distributed on the vibration panel.
According to the bone-conduction speaker that inventive embodiments provide, the transducing unit for generating vibration is located at oscillator bracket
Interior, one end of the oscillator bracket is connected with the vibration panel.The oscillator bracket is located at the transducing unit and described
Between external shell, the transducing unit is isolated with the external shell.One end of the oscillator bracket and the vibration simultaneously
Dynamic panel connection, the vibration panel is isolated with the external shell.The transducing unit is when vibration, due to transducing
Unit does not contact directly with external shell, and the external shell is not felt by the vibration of transducing unit, and external shell is also experienced
It less than the vibration of vibration panel, does not vibrate and is transmitted to external shell, so leakage sound will not be generated.I.e. the embodiment of the present invention provides
Scheme, effectively inhibit leakage mail of the existing technology topic.
In other words, bone-conduction speaker provided in an embodiment of the present invention, it is described due to there is the presence of the oscillator bracket
Transducing unit is located in oscillator bracket, and one end of the oscillator bracket is connected with vibration panel, and the oscillator bracket will be described
Transducing unit is isolated with the external shell, so the oscillator bracket is by the transducing list when vibration of transducing unit
The energy absorption that member vibration generates, the energy that the vibration generates are not transferred to the external shell.Also it would not generate existing
There is the existing leakage mail topic of technology.
Detailed description of the invention
Fig. 1 is the stereogram exploded view for the bone-conduction speaker that one embodiment of the invention provides；
Fig. 2 is the exploded view of the transducing unit for the bone-conduction speaker that one embodiment of the invention provides；
Fig. 3 is the perspective view of the oscillator bracket for the bone-conduction speaker that one embodiment of the invention provides；
Fig. 4 is the main view of the vibration panel for the bone-conduction speaker that one embodiment of the invention provides；
Fig. 5 is the perspective view of the vibration panel for the bone-conduction speaker that one embodiment of the invention provides；
Fig. 6 is the main view of the oscillator elastic slice for the bone-conduction speaker that one embodiment of the invention provides.
Appended drawing reference in specification is as follows:
10, transducing unit；11, conductive sheet；12, fixation spring tab；13, oscillator elastic slice；131, muscle portion；132, inner ring；133,
Outer ring；14, driving part；15, connecting shaft；16, oscillator shell；
20, vibration panel；21, folding part；22, air channel；23, protruding portion；
30, external shell；
40, oscillator bracket；41, groove；42, peripheral part；43, fixation hole.
Specific embodiment
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, not
Application range of the invention is limited, for those of ordinary skill in the art, without creative efforts,
It can apply the present invention to other similar scene according to these attached drawings.
As shown in the specification and claims, unless context clearly prompts exceptional situation, " one ", "one",
The words such as "an" and/or "the" not refer in particular to odd number, may also comprise plural number.It is, in general, that term " includes " is only mentioned with "comprising"
Show included the steps that clearly mark and element, and these steps and element do not constitute one it is exclusive enumerate, method or
Equipment may also include other step or element.Term "based" is " being based at least partially on ".Term " one embodiment "
It indicates " at least one embodiment "；Term " another embodiment " expression " at least one other embodiment ".The phase of other terms
Pass definition provides in will be described below.
Hereinafter, without loss of generality, in describing the present invention when osteoacusis the relevant technologies, will using " bone-conduction speaker " or
The description of " bone conduction earphone ".The description is only a kind of form of osteoacusis application, for those of ordinary skill in the art
For, " loudspeaker " or " earphone " can also be replaced with other similar words, such as " player ", " hearing aid " etc..In fact, this
Various implementations in invention can be easily applied on the hearing device of other non-loudspeaker classes.
Referring to FIG. 1, a kind of bone-conduction speaker that one embodiment of the invention provides, including transducing unit 10, vibration plane
Plate 20 and external shell 30.
Transducing unit 10 is located in external shell 30 for generating vibration, transducing unit 10；Bone-conduction speaker further includes
Oscillator bracket 40, transducing unit 10 are located in the oscillator bracket 40；Oscillator bracket 40 is located in external shell 30, oscillator bracket
40 one end is connect with vibration panel 30.
Further, disclosed technical solution, external shell 30 are made of hard material according to embodiments of the present invention；On this
External shell 30 is stated to include an annular sidewall, one be formed in the opening of above-mentioned annular sidewall one end and one and be formed in above-mentioned ring-type side
The outer casing bottom of wall other end connection, above-mentioned annular sidewall and outer casing bottom are structure as a whole.The edge of above-mentioned vibration panel 20
With above-mentioned annular sidewall open at one end loop connecting.
According to the bone-conduction speaker that inventive embodiments provide, the transducing unit 10 for generating vibration is located at oscillator bracket 40
Interior, one end of oscillator bracket 40 is connected with vibration panel 20.Oscillator bracket 40 be located at transducing unit 10 and external shell 30 it
Between, transducing unit 10 is isolated with external shell 30.One end of oscillator bracket 40 is connect with vibration panel 20 simultaneously, will be vibrated
Panel 20 is isolated with external shell 30.Transducing unit 10 vibration when, due to transducing unit 10 not with external shell 30
It directly contacts, external shell 30 is not felt by the vibration of transducing unit 10, and external shell 30 is also not felt by vibration panel 20
Vibration, does not vibrate and is transmitted to external shell 30, so leakage sound will not be generated.Scheme i.e. provided in an embodiment of the present invention, effectively
Inhibit leakage mail of the existing technology to inscribe.
In other words, bone-conduction speaker provided in an embodiment of the present invention, due to having the presence of oscillator bracket 40, transducing list
Member 10 is located in oscillator bracket 40, and one end of oscillator bracket 40 is connected with vibration panel 20, and oscillator bracket 40 is by transducing unit
10 are isolated with external shell 30, so oscillator bracket 40, which vibrates transducing unit 10, to be generated when transducing unit 10 vibrates
Energy absorption, the energy for vibrating generation is not transferred to external shell 30, would not also generate leakage sound of the existing technology
Problem.
Please also refer to Fig. 2 and Fig. 3, in technical solution provided in an embodiment of the present invention, transducing unit 10 includes fixing
Elastic slice 12；One end setting fluted 41 of oscillator bracket 40；The edge of the fixation spring tab 12 of transducing unit 10 is located at the groove
In 41.The peripheral part 42 that oscillator bracket 40 removes groove 41 is connected with vibration panel.The other end of oscillator bracket 40 is equipped with
Fixation hole 43, fixation hole 43 is for external shell 30 to be connect with oscillator bracket 40.The fixation hole 43 can be it is multiple, as long as
It can be realized and connect external shell 30 with oscillator bracket 40.
The technical solution provided according to embodiments of the present invention, above-mentioned transducing unit 10 are placed in above-mentioned oscillator bracket 40, make
It obtains transducing unit 10 to be isolated with external shell 30, the energy that the vibration of transducing unit 10 generates all is shaken in addition to being absorbed by the body
Submounts 40 absorb, and external shell 30 does not receive the energy that the vibration of transducing unit 10 generates, and will not generate the prior art and be deposited
Leakage mail topic, i.e., technical solution provided by the invention effectively inhibits leakage mail of the existing technology and inscribes.Further
, above-mentioned oscillator bracket 40 can be made of high damping material, which can be ABS plastic, which can
The energy absorption that the vibration of transducing unit 10 is generated, and assimilation effect is obvious, can obviously avoid external shell 30 because of transducing list
It is vibrated caused by 10 vibration of member.It can be realized technical effect of the invention.
Please also refer to Fig. 4, the connection type of vibration panel 20 and oscillator bracket 40 can be by a variety of.A kind of connection type
As follows: the outside of vibration panel 20 further comprises folding part 21, and folding part 21 is foldable outwardly and encases the oscillator bracket 40
One end.Another connection type can be one end of oscillator bracket 40 and vibration panel 20 passes through glue connection.Use glue connection
Mode the space occupied is smaller, and the mode of glue connection can connect various material.
According to technical solution of the present invention provided by Fig. 4 and Fig. 5, air channel 22 is provided on vibration panel 20, this is logical
Transducing unit 10 can be vibrated the energy generated and is discharged by air drain 22, and that reduces transducing unit 10 vibrates the energy generated to audio
The influence of effect avoids leakage sound.Specifically, 22 main-vision surface of air channel can be round, ellipse, quadrangle or strip
Shape, as long as the energy that can generate vibration is discharged.
Further, air channel 22 can be multiple, and when air channel 22 is multiple, multiple air channel 22 can be in
Annular distribution is on vibration panel 20.And multiple air channel 22 can be equally distributed state, be also possible to non-homogeneous
The state of distribution.
Further, the side of vibration panel 20 and human contact are equipped with protruding portion 23, and multiple air channels 22 are around prominent
Portion 23 is arranged out, and multiple air channel 22 is lower than protruding portion 23.Multiple air channel 22 can uniformly divide around protruding portion 23
Cloth.Above-mentioned air channel 22 is lower than the protruding portion 23 of vibration panel 20, enables to the human body contacted with vibration panel 20 and vibration
The protruding portion 23 of panel 20 forms a confined space centered on air channel 22, described due to there is the presence of protruding portion 23
Confined space can be bigger, and the energy that the vibration that can be accommodated generates is more, easily facilitates air channel 22 and vibrates transducing unit 10
The energy of generation is discharged, thus inhibit energy leakage into air caused by leakage mail topic.Protruding portion 23 can be round, ellipse
It is round or rectangular.
Due to the presence of the air channel 22, the vibration panel 20 and the area of human contact can be reduced, and also just be reduced
The vibrational energy that human body receives, so also just inhibiting the generation of leakage sound to a certain extent.
According to fig. 2 with technical solution of the present invention provided by Fig. 6, further, transducing unit 10 includes transducing unit
Kernel and oscillator elastic slice 13 for vibration damping, transducing unit kernel and oscillator elastic slice 13 are connected by muscle portion 131；Wherein, above-mentioned
Muscle portion 131 is curvilinear, and above-mentioned curved muscle portion 131 is capable of increasing the vibrational energy that transducing unit 10 arrives 13 edge of oscillator elastic slice
Amount transmitting stroke, so that more vibrational energies are absorbed by the body in contact process, to lower the amplitude of above-mentioned vibration, thus
Avoid the generation of leakage sound.
Further, disclosed technical solution according to embodiments of the present invention, above-mentioned curved shape can be S-shaped, W-shaped, V-arrangement,
U-shaped, zigzag or waveform etc., above-mentioned muscle portion 131 are changed to curved shape by straight line, are capable of increasing above-mentioned transducing unit 10 to above-mentioned
The transmitting stroke of the vibrational energy at 13 edge of vibration spring plate, so that more vibrational energies are absorbed by the body in contact process.
The structure of oscillator bracket provided in an embodiment of the present invention has been able to absorb the energy that the vibration of transducing unit 10 generates, add
Stroke of the curved muscle portion in energy transfer process increases, and is just even more the energy for further absorbing vibration and generating, makes
The energy that vibration generates can preferably be absorbed by obtaining technical solution of the present invention, preferably achieve the effect that inhibit leakage sound.
Specifically, as seen in figs, transducing unit 10 includes the conduction for passing sequentially through the connection of connecting shaft 15 from top to bottom
Piece 11, fixation spring tab 12, oscillator elastic slice 13 and driving part 14, transducing unit 10 further include the vibration for accommodating driving part 14
Subshell 16；Above-mentioned conductive sheet 11 is located at one end of connecting shaft 15, and for transmitting vibration, above-mentioned driving part 14 is located at connecting shaft
15 other end；Wherein, elastic slice 12 is used to adjust the angle and vibration damping of conductive sheet 11；Oscillator elastic slice 13 is located on oscillator shell 6,
Driving part 14 is fixed in oscillator shell 16.Wherein, conductive sheet 11, fixation spring tab 12, oscillator elastic slice 13 be it is round and
It is placed in connecting shaft 15.Wherein, above-mentioned oscillator bracket 40 is located at the outside of oscillator shell 16.
Oscillator elastic slice 13 includes inner ring 132 and outer ring 133, is connected between outer ring 133 and inner ring 132 by muscle portion 131,
The muscle portion 131 is S-shaped, W-shaped, V-arrangement, U-shaped or wavy curved shape, is capable of increasing above-mentioned transducing unit 10 to above-mentioned oscillator bullet
The vibrational energy at 13 edge of piece transmits stroke, inhibit energy leakage into air caused by leakage mail topic.
In one embodiment, above-mentioned oscillator elastic slice 13 is made of elastic material, 13 energy of oscillator elastic slice of above-mentioned elastic material
Enough reduce the vibration sense that above-mentioned transducing original part generates at work, thus inhibit energy leakage into air caused by leak mail
Topic.
In technical solution disclosed by the embodiments of the present invention, above-mentioned vibration panel 20 is elastic material, can be reduced above-mentioned
The vibration sense that transducing unit 10 generates when working.Further, which can be silica gel material, so that transducing unit 10
The vibrational energy of generation is transmitted to people's body absorption by silica gel material as far as possible, and silica gel material makes the hard of external shell 30
Material is few as far as possible to generate resonance with vibration panel 20, to reduce the leakage sound that the vibration of external shell 30 generates.
The vibration panel 20, transducing unit 10 and external shell 30 constitute the main part of bone conduction earphone.This field
Technical staff it is recognised that bone conduction earphone further includes other components, such as around head rear extension, with it is described after hang two
The ear-hang component of connection is held, these other components are not all described in detail in the present embodiment.Emphasis of the embodiment of the present invention
What is introduced is the main part connecting with ear-hang component: external shell, transducing unit and vibration panel, and osteoacusis conducts earphone
Main part be there are two, the utility model embodiment is introduced by taking one of main part as an example.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (11)
1. a kind of bone-conduction speaker, including external shell, transducing unit and vibration panel, which is characterized in that
The transducing unit is located in external shell for generating vibration, the transducing unit；
The bone-conduction speaker further includes oscillator bracket, and the transducing unit is located in the oscillator bracket；
The oscillator bracket is located in the external shell, and one end of the oscillator bracket is connect with vibration panel.
2. bone-conduction speaker according to claim 1, which is characterized in that
The transducing unit includes fixation spring tab；
One end setting of the oscillator bracket is fluted；
The edge of the fixation spring tab of the transducing unit is located in the groove.
3. bone-conduction speaker according to claim 1 or 2, which is characterized in that
The outside of the vibration panel further comprises folding part, and the folding part is foldable outwardly and encases the one of the oscillator bracket
End.
4. bone-conduction speaker according to claim 1 or 2, which is characterized in that
One end of the oscillator bracket and the vibration panel pass through glue connection.
5. bone-conduction speaker according to claim 1 or 2, which is characterized in that
The oscillator bracket is made of high damping material.
6. bone-conduction speaker according to claim 1 or 2, which is characterized in that
The other end of the oscillator bracket is equipped with fixation hole, and the shell is connect by the fixation hole with the oscillator bracket.
7. bone-conduction speaker according to claim 1 or 2, which is characterized in that
The transducing unit includes transducing unit kernel and oscillator elastic slice, and the transducing unit kernel and the oscillator elastic slice pass through
Muscle portion connection, wherein the muscle portion is curvilinear.
8. bone-conduction speaker according to claim 7, which is characterized in that the curved shape further comprise S-shaped, it is W-shaped,
V-arrangement, U-shaped, zigzag or waveform.
9. bone-conduction speaker according to claim 1, which is characterized in that
The vibration panel is equipped with the air channel of the vibrational energy discharge for generating the transducing unit.
10. bone-conduction speaker according to claim 8, which is characterized in that
The air channel is multiple, and the multiple air channel is annularly distributed on the vibration panel.
11. bone-conduction speaker according to claim 9 or 10, which is characterized in that
The side of the vibration panel and human contact are equipped with protruding portion；
The air channel is arranged around the protruding portion, and the air channel is lower than the protruding portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286433.0A CN109831716A (en) | 2019-04-10 | 2019-04-10 | A kind of bone-conduction speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910286433.0A CN109831716A (en) | 2019-04-10 | 2019-04-10 | A kind of bone-conduction speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109831716A true CN109831716A (en) | 2019-05-31 |
Family
ID=66874391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910286433.0A Pending CN109831716A (en) | 2019-04-10 | 2019-04-10 | A kind of bone-conduction speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109831716A (en) |
Cited By (4)
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| WO2021128654A1 (en) * | 2019-12-24 | 2021-07-01 | 深圳市睿德龙科技有限公司 | Bone conduction loudspeaker for ultrasonic and electroacoustic system |
| CN115119087A (en) * | 2022-04-29 | 2022-09-27 | 苏州索迩电子技术有限公司 | Bone conduction sound production unit and wearable equipment |
| CN116112844A (en) * | 2022-12-30 | 2023-05-12 | 深圳市吸铁石科技有限公司 | Detachable bone conduction hearing-aid earphone capable of reducing noise and mounting method |
| CN116156381A (en) * | 2023-02-21 | 2023-05-23 | 迈吉科(山东)医疗器械有限公司 | Bone conduction earphone with transducer provided with vibration supporting arm |
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| CN115119087B (en) * | 2022-04-29 | 2024-04-05 | 苏州索迩电子技术有限公司 | Bone conduction sounding unit and wearable equipment |
| CN116112844A (en) * | 2022-12-30 | 2023-05-12 | 深圳市吸铁石科技有限公司 | Detachable bone conduction hearing-aid earphone capable of reducing noise and mounting method |
| CN116112844B (en) * | 2022-12-30 | 2024-01-19 | 深圳市吸铁石科技有限公司 | Detachable bone conduction hearing-aid earphone capable of reducing noise and mounting method |
| CN116156381A (en) * | 2023-02-21 | 2023-05-23 | 迈吉科(山东)医疗器械有限公司 | Bone conduction earphone with transducer provided with vibration supporting arm |
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