CN207968810U - Novel bone conduction earphone - Google Patents
Novel bone conduction earphone Download PDFInfo
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- CN207968810U CN207968810U CN201820332962.0U CN201820332962U CN207968810U CN 207968810 U CN207968810 U CN 207968810U CN 201820332962 U CN201820332962 U CN 201820332962U CN 207968810 U CN207968810 U CN 207968810U
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- earplug
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- bone conduction
- conduction earphone
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Abstract
The utility model belongs to ear phone technology field more particularly to novel bone conduction earphone.Including can host of the hanging buckle on human body neck and the earplug body that is connected on host, the earplug body includes the left earplug and right earplug being connect with the host by conducting wire, the earplug body is equipped with the pars stridulans that can coordinate fixed wearing portion with human body ear and be contacted with antitragus on ear after wearing, and the pars stridulans include the piezoelectric type phonation unit for being set in the earplug body and extending out to outside.Its structure uses wearing structure similar with earphone is entered, it is worn on ear using earplug body, pass through antitragus location contacts on pars stridulans and ear, and pars stridulans use piezoelectric type phonation unit, have many advantages, such as that efficient, frequency is high, and sound osteoacusis is carried out using the cartilage at the position.Using effectively preventing causing to be distorted high disadvantage using piezoelectric type phonation unit in osteoacusis, to improve the performance of earphone, and also it is at low cost.
Description
【Technical field】
The utility model belongs to ear phone technology field more particularly to novel bone conduction earphone.
【Background technology】
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 transmission, spiral organ, auditory nerve, auditory center transmit sound wave.
The classical sound conduction mode of sound wave is generated with respect to vibrating diaphragm, osteoacusis eliminates the step that many sound waves transmit
Suddenly, clearly sound-reducing can be realized in a noisy environment, and sound wave will not be influenced because of spreading in air
Other people.Bone conduction technology is divided into bone-conduction speaker technology and bone-conduction microphone technology：
(1) bone-conduction speaker technology is called to listen to sound for called.Conductance loud speaker is that electric signal is converted into
Sound wave (vibration signal) reaches auditory nerve.And the sound wave (vibration signal) that bone-conduction speaker is then electric signal conversion directly passes through
Bone reaches auditory nerve.The transfer medium of sound wave (vibration signal) is different.
(2) bone-conduction microphone technology send words to collect sound for sending words.It is that sound wave is reached by air that conductance, which send words,
Microphone, and bone-conduction microphone words are then directly transmitted by bone.
The earphone manufactured using these bone conduction technologies, referred to as bone conduction earphone, also referred to as osophone, bony ear
Machine, bone pass earphone and bone senses earphone.
Earphone currently on the market mostly uses inductance moving-coil as phonation unit, due to technology maturation, convenient for being made to
To being widely used.In development in science and technology, also there is piezoelectric type moving-coil as phonation unit, but apply the meeting in In-Ear Headphones
It was found that there is the problems such as being distorted difference in big, shock resistance, piezoelectric earphone is caused not to be used widely.
【Invention content】
To solve the problems, such as that piezoelectric earphone exists in the prior art, the utility model provides the new type bone of comfortable wearing
Conduct earphone.
The utility model is achieved through the following technical solutions：
Novel bone conduction earphone, including can host of the hanging buckle on human body neck and the earplug sheet that is connected on host
Body, the earplug body include the left earplug and right earplug being connect with the host by conducting wire, are set in the earplug body
There are the pars stridulans that can coordinate fixed wearing portion with human body ear and be contacted with antitragus on ear after wearing, and the hair
Life portion includes the piezoelectric type phonation unit for being set in the earplug body and extending out to outside.
Novel bone conduction earphone as described above, the earplug body include the upper shell and lower housing being combined with each other,
The upper shell is equipped with the installation cavity for installing the pars stridulans, and the installation cavity is set to and connects with upper shell surface
Logical opening, the piezoelectric type phonation unit are set in the installation cavity, and the pars stridulans further include recessed set on the installation
The cushion course of chamber opening.
Novel bone conduction earphone as described above, the piezoelectric type phonation unit are piezoelectric vibrator, and the cushion course is silicon
Glue-line.
Novel bone conduction earphone as described above, the host include the buckle hanging unit of arc and are connected to the buckle hanging unit
The left shell in left side and the right shell body being connected on the right side of the buckle hanging unit, the left shell or right shell body are equipped with control button,
The conducting wire of the left earplug is stretched out from the left shell side, and the conducting wire of the right earplug is stretched out from the side of the right shell body.
Novel bone conduction earphone as described above is equipped with pickup unit, and the master on the left shell and right shell body
Bluetooth unit is additionally provided on machine.
Novel bone conduction earphone as described above is additionally provided with soft layer in the buckle hanging unit.
Novel bone conduction earphone as described above, the wearing portion include being set on the earplug body one side and can stretching
Enter to the hook portion of ear intracavitary and coordinates with the hook portion and so that earplug is fixed on the folder on ear with ear-lobe rear-face contact
Hold portion.
Novel bone conduction earphone as described above, the clamping part are strip, one end thereon far from the hook portion
It is hinged in earplug body, is clamping head close to one end of the hook portion, the clamping part can turn around the hinged place
It is dynamic to make the relatively described hook portion movement in the clamping head.
Novel bone conduction earphone as described above, the earplug body include the upper shell and lower housing being combined with each other,
The installation cavity for installing PCB circuit board and the pars stridulans is equipped between the upper shell and lower housing.
Novel bone conduction earphone as described above, the upper shell includes the fixation being fixedly connected on the lower housing
Portion and on the fixed part and can relative to the fixed part move adjustment portion, the hook portion and pars stridulans are set
In on the fixed part, the clamping part is hinged in the adjustment portion.
Compared with prior art, the utility model has the following advantages：
1, the utility model provides novel bone conduction earphone, and structure uses wearing structure similar with earphone is entered, profit
It is worn on ear with earplug body, by antitragus location contacts on pars stridulans and ear, and pars stridulans use piezoelectricity
Formula phonation unit has many advantages, such as that efficient, frequency is high, and carries out sound osteoacusis using the cartilage at the position.Using
It effectively prevents causing to be distorted high disadvantage using piezoelectric type phonation unit in osteoacusis, to improve the performance of earphone, and
And it is at low cost.
2, the novel bone conduction earphone of the utility model is worn method and is not only worn simply, but also wears for a long time with this structure
Wearing can will not for a long time wear because clamping does not feel like oneself, and be also convenient for being used for hearing aid.And its host by hanging buckle in neck
On, can earplug body directly be taken down to it when not in use can be hung under neck automatically, only need directly to wear when reusing,
It is not only convenient for carrying and use, and beautiful and fashion.
3, the novel bone conduction earphone of the utility model is equipped with bluetooth unit and pickup unit, can pass through bluetooth and peripheral hardware
Connection, uses as bluetooth headset, also can be used as hearing aid use, can be from all around by the pickup unit of its both sides
It identifies sound, can determine whether out the direction of sound source, to outdoors using can also trust.
4, the earplug body of the utility model novel bone conduction earphone is fixed on by wearing portion on ear, utilizes hook
Portion stretches to ear chamber hanging buckle on intertragic incisure, is not stretched in duct as traditional In-Ear Headphones, another clamping
Portion and ear-lobe rear-face contact, make earplug body be fixed on ear, the sound of such earphone is propagated by osteoacusis.And it is clamped
Portion can the movement of opposed member portion, use crowd for different, ear ear-lobe it is in different size, mobile clamping part can be passed through
To make corresponding adjustment.
5, it is equipped on the hook portion of the earplug body of the utility model novel bone conduction earphone and clamping part soft
Earplug set can keep certain comfort in long-time using when wearing in this way, and earplug set is detachable, in length
Phase keeps hygienic using rear replaceable new earplug set, and replaceable earplug set of different shapes is different to be applicable in ear
The crowd of profile size uses.
【Description of the drawings】
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model novel bone conduction earphone；
Fig. 2 is the structural schematic diagram one of the earplug body of novel bone conduction earphone；
Fig. 3 is the structural schematic diagram two of the earplug body of novel bone conduction earphone；
Fig. 4 is the structural blast schematic diagram of the earplug body of novel bone conduction earphone；
Fig. 5 is the Section A-A figure of Fig. 2；
Fig. 6 is that earplug wears schematic diagram；
Fig. 7 is the section B-B figure of Fig. 1；
Fig. 8 is the structural schematic diagram two of novel bone conduction earphone.
【Specific implementation mode】
The technical issues of in order to keep the utility model solved, technical solution and advantageous effect are more clearly understood, below
In conjunction with accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific implementation described herein
Example is only used to explain the utility model, is not used to limit the utility model.
The utility model is achieved through the following technical solutions：
As shown in Figures 1 to 8, novel bone conduction earphone, including host 1 of the hanging buckle on human body neck and can be connected to
Earplug body 2 on host 1, the earplug body 2 include the left earplug and auris dextra being connect with the host 1 by conducting wire
Plug, the earplug body 2 are equipped with after can coordinating fixed wearing portion 21 with human body ear and wearing and antitragus on ear
The pars stridulans 22 of contact.And the pars stridulans 22 include the piezoelectric type sounding for being set in the earplug body 2 and extending out to outside
Unit 222.The utility model provides novel bone conduction earphone, and structure uses wearing structure similar with earphone is entered, and utilizes
Earplug body is worn on ear, and by antitragus location contacts on pars stridulans and ear, and pars stridulans use piezoelectric type
Phonation unit has many advantages, such as that efficient, frequency is high, and carries out sound osteoacusis using the cartilage at the position.Using in bone
It effectively prevents causing to be distorted high disadvantage using piezoelectric type phonation unit in conduction, to improve the performance of earphone, and
It is at low cost.
And the utility model novel bone conduction earphone, structure uses wearing structure similar with earphone is entered, using this
Kind is worn method and is not only worn simply, but also long periods of wear will not feel like oneself because of clamping, can wear for a long time, be also convenient for being used for
Hearing aid.And its host by hanging buckle on neck, can earplug body directly be taken down to it when not in use can be hung on neck automatically
Under, it only needs directly to wear when reusing, is not only convenient for carrying and use, and beautiful and fashion.
Further, the earplug body 2 includes the upper shell 201 being combined with each other and lower housing 202, the upper shell
201 are equipped with the installation cavity for installing the pars stridulans 22, and the installation cavity is set to and is connected to 201 surface of upper shell
Opening, the piezoelectric type phonation unit 222 is set in the installation cavity, and the pars stridulans 22 further include set on the installation
The cushion course 221 of cavity opening.After the pars stridulans for placing piezoelectric type using the structure, be conducive to the performance for improving pars stridulans,
And through overtesting, got well than general structure in low frequency response.
Moreover, the piezoelectric type phonation unit 222 is piezoelectric vibrator, the piezoelectricity of piezoelectric vibrator (i.e. piezoelectric ceramics) is utilized
Effect coordinates dynamic iron unit to improve voice quality, and the cushion course 221 is layer of silica gel.It is comfortable when can improve wearing
Degree.
Specifically, the host 1 includes the buckle hanging unit 11 of arc and the left shell for being connected to 11 left side of the buckle hanging unit
12 and it is connected to the right shell body 13 on the right side of the buckle hanging unit 11, the left shell 12 or right shell body 13 are equipped with control button, institute
The conducting wire for stating left earplug is stretched out from 12 side of the left shell, and the conducting wire of the right earplug is stretched from the side of the right shell body 13
Go out.The host that buckle hanging unit is formed with left shell, right shell body, entirely as the shape of head hoop, and buckle hanging unit 11 has certain elasticity,
When in use, left shell 12 and right shell body 13 are gently drawn, its relative distance is made to increase, convenient for making host smoothly be worn on neck,
So that this product is more convenient to use.
Moreover, control button includes switch, and volume knob etc., the use of earphone for user-friendly control.In addition, main
Setting main circuit board and battery in the buckle hanging unit of machine can pass through and design USB port grafting charging so that this product it is simple in structure and
And facilitate continuation of the journey.
Again specifically, it is additionally provided with soft layer in the buckle hanging unit 11.The flexible materials such as silica gel can be used in soft layer, can make
It obtains user also to feel comfortable in long-time wearing, facilitates and use for a long time.
Further, pickup unit (i.e. microphone), and the host 1 are equipped on the left shell 12 and right shell body 13
On be additionally provided with bluetooth unit.It can be connect with peripheral hardware by bluetooth, used as bluetooth headset, also can be used as hearing aid use, lead to
The pickup unit of its both sides is crossed, sound can be identified from all around, can determine whether out the direction of sound source, to use outdoors
Also it can trust.
Further, the wearing portion 21 includes being set on 2 one side of the earplug body and can stretching to ear intracavitary
Hook portion 211 and with the hook portion 211 coordinate and so that earplug is fixed on the clamping part on ear with ear-lobe rear-face contact
212.It stretches to ear chamber hanging buckle on intertragic incisure using hook portion, does not stretch to ear as traditional In-Ear Headphones
In road, another clamping part and ear-lobe rear-face contact make earplug body be fixed on ear, the sound of such earphone passes through osteoacusis
It propagates, is passed to by duct even if wearing and nor affecting on other sound.
Specifically, the clamping part 212 is strip, and one end thereon far from the hook portion 211 is hinged on earplug sheet
It is clamping head 221a close to one end of the hook portion 211 on body 2, the clamping part 212 can turn around the hinged place
It is dynamic that the relatively described hook portions 211 of the clamping head 221a is made to move.Latch-type can be used in being hinged for the clamping part, also may be used
By the way that the dynamic clamping head and quiet clamping heads such as torsional spring are arranged in hinged place so that clamping part can Automatic-clamping, and clamping force can pass through choosing
Torsional spring is taken to be arranged, to be easy to achieve the effect that clamp and discomfort will not be caused.
In addition, the pars stridulans 22 be set to on the same side in the wearing portion 21 and positioned at the hook portion 211 with
And between clamping part 212, still further, being equipped between the upper shell 201 and lower housing 202 for installing PCB circuit board
And the installation cavity of the pars stridulans 22.Moreover, the upper shell 201 includes being fixedly connected on consolidating on the lower housing 202
Determine portion 201a and on the fixed part 201a and can be described relative to the fixed part 201a is moved adjustment portion 201b
Hook portion 211 and pars stridulans 22 are set on the fixed part 201a, and the clamping part 212 is hinged on the adjustment portion 201b
On.Use crowd for different, ear ear-lobe it is in different size, corresponding tune can be made by mobile clamping part
It is whole.
Specifically, the upper end of the lower housing 202 is equipped with sliding rail, and the adjustment portion 201b is by coordinating with the sliding rail
Slide is connected on lower housing 202.Can mounting plate be set in the upper end of lower housing 202, rail plate is set on a mounting board, and
Adjustment portion 201b connections on a mounting board, so i.e. slidably, and have guide function, ensure that the stationarity of adjusting, be conducive to
Improve durability.
In addition, being additionally provided with dismountable soft earplug set 213 on the hook portion 211 and clamping part 212.And it is described
Head 221a is clamped and is equipped with card convex, the earplug set 213 is socketed in the card convex, and institute also is provided in the hook portion 211
The card convex stated.Earplug set 213 is installed by card convex, can keep certain comfort using when wearing in long-time in this way, and
And earplug set be it is detachable, after long-term use replaceable new earplug set with keep health, and it is replaceable not
The earplug set of similar shape is used with the crowd for being applicable in the differently contoured size of ear.
Further, the left shell 12 and the lower end separated by gap of the right shell body 13 are arranged to form a hanging buckle mouth, institute
State the anti-drop structure for being additionally provided on right shell body 13 and can be connected to and the host 1 being made to form sealing ring on left shell 12.By this
Hanging buckle mouth makes host be worn on the neck of human body, is not using or is moving in use, connecting right shell by anti-drop structure
The lower end of body 13 and left shell 12 is equivalent to host becoming a ring set on neck, it is therefore prevented that due to the originals such as jolt
Because will appear the case where host is fallen, can effectively protect host, to increase security performance.
In addition, stating right shell body 13 is equipped with inner cavity 131, the lower end of the right shell body 13 is equipped with to be connected to the inner cavity 131
Opening, the anti-drop structure include be set to the capping 41 being detachably connected at 13 lower ending opening of the right shell body, be set to it is described
The connecting rope 42 being connect in inner cavity 131 and with the capping 41, and the lower end of the left shell 12 is equipped with and can cover 41 with described
The connection structure of mating connection.Connecting rope is driven by capping, only needs to split out capping from right shell body 13 when in use, and
It is connected at left shell 12, connecting rope can connect hanging buckle mouth, and simple structure is easy to use, and when not in use can
It is accommodated in right shell body, does not influence the appearance of product.
Moreover, the mode that magnetic can be used in capping 41 is connect with right shell body and left shell, when dismounting, only need to slightly exert oneself
Capping can be split out, and easy to connect, it is easy to operate.Can also be used it is screw connected, by being threaded in capping
Interconnecting piece is correspondingly arranged threaded connection hole on left shell and right shell body, and dismounting or connection, connection are completed by rotary closure
Also simple and durable.
Specifically, the right shell body 13 is equipped with knob 132, and the knob 132 is equipped with and stretches in the inner cavity 131
Rotation section, the connecting rope 42 is connected on rotation section, connecting rope 42 can be made to be wrapped on rotation section by turning knob 132
Completion folds.For prevent connecting rope pull out after recycling when be difficult to enter to the inner cavity of right shell body, can be completed by turning knob
It folds.
The utility model provides novel bone conduction earphone, and structure uses wearing structure similar with earphone is entered, and utilizes
Earplug body is worn on ear, by antitragus location contacts on pars stridulans and ear, utilizes the cartilage carry out sound at the position
Sound osteoacusis.It is not only worn simply using this method of wearing, but also long periods of wear will not feel like oneself because of clamping, it can be for a long time
It wears, is also convenient for being used for hearing aid.And its host by hanging buckle on neck, earplug body can directly be taken down it when not in use
It can be hung under neck automatically, only need directly to wear when reusing, be not only convenient for carrying and use, and beautiful and fashion.
It is the one or more embodiments for combining particular content to provide as described above, does not assert the tool of the utility model
Body implementation is confined to these explanations.It is all approximate with the method for the utility model, structure etc., identical or new for this practicality
Several technologies are made under type concept thereof to deduce, or are replaced and all be should be considered as the scope of protection of the utility model.
Claims (10)
1. novel bone conduction earphone, including can host (1) of the hanging buckle on human body neck and the earplug that is connected on host (1)
Ontology (2), which is characterized in that the earplug body (2) includes the left earplug being connect with the host (1) by conducting wire and the right side
Earplug, the earplug body (2) be equipped with after can coordinating fixed wearing portion (21) with human body ear and wearing on ear
The pars stridulans (22) of antitragus contact, and the pars stridulans (22) include being set in the earplug body (2) and extending out to outside
Piezoelectric type phonation unit (222).
2. novel bone conduction earphone according to claim 1, which is characterized in that the earplug body (2) includes mutual group
The upper shell (201) and lower housing (202) of conjunction, the upper shell (201) are equipped with for installing the pars stridulans (22)
Cavity is installed, and the installation cavity is set to the opening being connected to upper shell (201) surface, the piezoelectric type phonation unit
(222) it is set in the installation cavity, the pars stridulans (22) further include the cushion course for being set to the installation cavity opening
(221)。
3. novel bone conduction earphone according to claim 2, which is characterized in that the piezoelectric type phonation unit (222) is
Piezoelectric vibrator, the cushion course (221) are layer of silica gel.
4. novel bone conduction earphone according to claim 1, which is characterized in that the host (1) includes the hanging buckle of arc
Portion (11) and the left shell (12) being connected on the left of the buckle hanging unit (11) and the right side being connected on the right side of the buckle hanging unit (11)
Shell (13), the left shell (12) or right shell body (13) are equipped with control button, and the conducting wire of the left earplug is from the left housing
Body (12) side is stretched out, and the conducting wire of the right earplug is stretched out from the side of the right shell body (13).
5. novel bone conduction earphone according to claim 4, which is characterized in that the left shell (12) and right shell body (13)
On be equipped with pickup unit, and be additionally provided with bluetooth unit on the host (1).
6. novel bone conduction earphone according to claim 4, which is characterized in that be additionally provided on the buckle hanging unit (11) soft
Layer.
7. novel bone conduction earphone according to claim 1, which is characterized in that the wearing portion (21) includes set on described
On earplug body (2) one side and can stretch to ear intracavitary hook portion (211) and with the hook portion (211) coordinate and with
Ear-lobe rear-face contact makes earplug be fixed on the clamping part on ear (212).
8. novel bone conduction earphone according to claim 7, which is characterized in that the clamping part (212) is strip,
Upper one end far from the hook portion (211) is hinged in earplug body (2), is close to one end of the hook portion (211)
It is clamped head (221a), the clamping part (212) can rotate around the hinged place keeps the clamping head (221a) relatively described
Hook portion (211) moves.
9. novel bone conduction earphone according to claim 8, which is characterized in that the earplug body (2) includes mutual group
The upper shell (201) and lower housing (202) of conjunction are equipped between the upper shell (201) and lower housing (202) for installing
The installation cavity of PCB circuit board and the pars stridulans (22).
10. novel bone conduction earphone according to claim 9, which is characterized in that the upper shell (201) includes fixed connects
The fixed part (201a) that is connected on the lower housing (202) and on the fixed part (201a) and can be relatively described solid
Determine the mobile adjustment portion (201b) in portion (201a), the hook portion (211) and pars stridulans (22) are set to the fixed part
On (201a), the clamping part (212) is hinged in the adjustment portion (201b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820332962.0U CN207968810U (en) | 2018-03-10 | 2018-03-10 | Novel bone conduction earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820332962.0U CN207968810U (en) | 2018-03-10 | 2018-03-10 | Novel bone conduction earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968810U true CN207968810U (en) | 2018-10-12 |
Family
ID=63742140
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| CN201820332962.0U Active CN207968810U (en) | 2018-03-10 | 2018-03-10 | Novel bone conduction earphone |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108243364A (en) * | 2018-03-10 | 2018-07-03 | 中山市天键通讯技术有限公司 | Novel bone conduction wears earplug |
| CN109511039A (en) * | 2018-12-25 | 2019-03-22 | 维沃移动通信有限公司 | A kind of earphone |
| CN109640205A (en) * | 2018-12-07 | 2019-04-16 | 深圳朗凡创新科技有限公司 | A kind of rubber vibrating diaphragm applied to osteoacusis sounding device |
| CN110177315A (en) * | 2019-06-04 | 2019-08-27 | 北京塞宾科技有限公司 | A kind of enhanced antinoise bluetooth headset |
| WO2021143116A1 (en) * | 2020-01-19 | 2021-07-22 | 朱达云 | Clamping type ear-worn device |
-
2018
- 2018-03-10 CN CN201820332962.0U patent/CN207968810U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108243364A (en) * | 2018-03-10 | 2018-07-03 | 中山市天键通讯技术有限公司 | Novel bone conduction wears earplug |
| CN109640205A (en) * | 2018-12-07 | 2019-04-16 | 深圳朗凡创新科技有限公司 | A kind of rubber vibrating diaphragm applied to osteoacusis sounding device |
| CN109511039A (en) * | 2018-12-25 | 2019-03-22 | 维沃移动通信有限公司 | A kind of earphone |
| CN109511039B (en) * | 2018-12-25 | 2020-01-21 | 维沃移动通信有限公司 | Earphone set |
| CN110177315A (en) * | 2019-06-04 | 2019-08-27 | 北京塞宾科技有限公司 | A kind of enhanced antinoise bluetooth headset |
| CN110177315B (en) * | 2019-06-04 | 2024-02-02 | 北京塞宾科技有限公司 | Enhanced anti-noise Bluetooth headset |
| WO2021143116A1 (en) * | 2020-01-19 | 2021-07-22 | 朱达云 | Clamping type ear-worn device |
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Address after: 3 / F, No.13, Maonan Road, Torch Development Zone, Zhongshan City, Guangdong Province 528400 Patentee after: Tianjian medical technology (Guangdong) Co.,Ltd. Address before: 3 / F, No.13, Maonan Road, Torch Development Zone, Zhongshan City, Guangdong Province 528400 Patentee before: ZHONGSHAN TIANJIAN COMMUNICATION TECHNOLOGY Co.,Ltd. |
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