CN105592380A - Noise-reducing earphone - Google Patents
Noise-reducing earphone Download PDFInfo
- Publication number
- CN105592380A CN105592380A CN201610105014.9A CN201610105014A CN105592380A CN 105592380 A CN105592380 A CN 105592380A CN 201610105014 A CN201610105014 A CN 201610105014A CN 105592380 A CN105592380 A CN 105592380A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- human body
- elastic component
- external auditory
- noise cancelling
- 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.)
- Pending
Links
- 230000009467 reduction Effects 0.000 claims description 17
- 238000005452 bending Methods 0.000 abstract description 6
- 210000000613 ear canal Anatomy 0.000 abstract 5
- 229920001296 polysiloxane Polymers 0.000 abstract 4
- 230000006872 improvement Effects 0.000 description 10
- 230000008901 benefit Effects 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 210000003454 tympanic membrane Anatomy 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
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
- H04R1/1083—Reduction of ambient noise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/15—Determination of the acoustic seal of ear moulds or ear tips of hearing devices
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention discloses a noise-reducing earphone comprising a housing, a silicone sleeve, and a horn disposed in the housing. The silicone sleeve comprises a sleeve, a bending member, and an elastic member disposed on the periphery of the sleeve. The two ends of the bending member are bent backwards. The rear end of the sleeve is disposed on a sound guiding cylinder of the housing, and the front end of the sleeve is extended toward the direction away from the housing, and is inserted in the inner side of the external auditory canal of the human body. The front end of the sleeve is connected with one end of the bending member, and the other end of the bending member is connected with the front end of the elastic member. The outer wall of the elastic member abuts against the inner wall of the external auditory canal of the human body, and the elastic member can be deformed to seal the external auditory canal of the human body according to the shape of the inner wall of the external auditory canal of the human body. The noise-reducing earphone is advantageous in that by adopting the silicone sleeve comprising the sleeve, the bending member, and the elastic member, the elastic member can be optimally combined with the external auditory canal of the human body, and the silicone sleeve cannot slip off, and the noise cannot enter the human ear, and then the tone quality of the horn can be guaranteed, and therefore the good tone quality effect can be provided, the slipping-off of the earphone is not easy to occur during the wearing, and the wearing of the earphone is comfortable.
Description
Technical field
The present invention relates to a kind of noise cancelling headphone, can be automatically, fast and accurately LED is seated on carrier band.
Background technology
Demand the fast development along with scientific and technical and people to life, earphone is widely used, and as telephone communication, transmission music etc., existing pleasant earphone product, from being mainly divided in appearance two kinds of In-Ear and ear types. The sounding position of In-Ear Headphones, combined by loudspeaker, ear casing and soft silicon gum cover, existing soft silicon gum cover is worn comfortable, but there is a maximum shortcoming, fill in exactly after ear, cannot with ear hole best combination, soft silicon gum cover is all only arranged on the porch of human body external auditory meatus, is easy to landing. And soft silicon gum cover can not be well by the sealing of human body external auditory meatus, noise is easy to enter into people's ear, affects the tonequality that loudspeaker are sounded. In the time that wearer wears the In-Ear Headphones of this structure for a long time, because air is constantly compressed in human body external auditory meatus, the air of compression can not be discharged, and is easy to damage ear-drum, and makes wearer's ear produce uncomfortable sensations such as sour swollen.
Summary of the invention
In order to overcome the problems referred to above, the present invention provides to society the noise cancelling headphone that a kind of acoustical quality is good, be difficult for landing and comfortable wearing while wearing.
Technical scheme of the present invention is: a kind of noise cancelling headphone is provided, comprise shell, gum cover and be arranged on the loudspeaker in described shell, described gum cover comprises sleeve, the recurvate bool in two ends and the elastic component that is arranged on described sleeve periphery, the rear end of described sleeve is set on the leading note barrel of described shell, the front end of described sleeve is to the inside of extending and extend into human body external auditory meatus away from the direction of described shell, the front end of described sleeve is connected with one end of described bool, the other end of described bool is connected with the front end of described elastic component, the outer wall of described elastic component is for being resisted against the inwall of human body external auditory meatus, and described elastic component deforms human body external auditory meatus is sealed according to the shape of human body external auditory meatus inwall.
As improvement of the present invention, the outer wall dimension of described elastic component increases to the back-end gradually from the front end of described elastic component.
As improvement of the present invention, also comprise noise reduction hole, described noise reduction hole is arranged on the position of described leading note barrel away from described sleeve.
As improvement of the present invention, described shell comprises the bonnet of protecgulum together with covering with described protecgulum, and described leading note barrel is arranged on described protecgulum.
As improvement of the present invention, also comprise bleeder port, described bleeder port is arranged on described bonnet, and described bleeder port communicates with the inner chamber of described shell.
As improvement of the present invention, described bleeder port is positioned on the diapire of described bonnet, and the plane at described diapire place is substantially vertical with the axis of described leading note barrel.
As improvement of the present invention, also comprise cable, on the sidewall of described bonnet, be provided with cable hole, one end of described cable is electrically connected through described cable hole and described loudspeaker, and described cable is substantially vertical with the axis of described leading note barrel.
As improvement of the present invention, also comprise tuning net, described tuning net is arranged on the sound mouth of described leading note barrel.
As improvement of the present invention, on the position at the end face of described front cover back-end near inwall, be provided with projection, the drive end bearing bracket of described bonnet is combined on the rear end of described protecgulum, and described projection is positioned at the inside of described bonnet.
As improvement of the present invention, between described elastic component and described sleeve, form a cavity.
As improvement of the present invention, on the outer wall of described leading note barrel, be provided with holddown groove, the rear end of described sleeve is set in described holddown groove.
The present invention is owing to having adopted gum cover, gum cover comprises sleeve, bool and elastic component, the front end of sleeve is to the inside of extending and extend into human body external auditory meatus away from the direction of shell, the outer wall of elastic component is resisted against on the inwall of human body external auditory meatus, and elastic component deforms human body external auditory meatus is sealed according to the shape of human body external auditory meatus inwall, the benefit of design is like this, make elastic component and human body external auditory meatus carry out best combination, can not make silica gel sheath landing, can not make noise enter into people's ear, ensure the tonequality that loudspeaker are sounded, there is acoustical quality good, while wearing, be difficult for the advantage such as landing and comfortable wearing.
Brief description of the drawings
Fig. 1 is cross-sectional schematic of the present invention.
Wherein: 1. bonnet; 11. bleeder ports; 2. protecgulum; 21. leading note barrels; 22. tuning nets; 23. holddown grooves; 24. noise reduction holes; 3. loudspeaker; 4. gum cover; 41. sleeves; 42. bools; 43. elastic components; 5. cable.
Detailed description of the invention
In description of the invention, it will be appreciated that, in term, orientation or the position relationship of the instruction such as " " center ", " on ", D score, 'fornt', 'back', " left side ", " right side " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of the device of instruction or hint indication or element must have specific orientation, with specific orientation structure with operate, therefore can not be interpreted as limitation of the present invention. In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " connection ", " being connected " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also that dismounting connects, or connect integratedly; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, can be to be also indirectly connected by intermediary, can be the connection of two element internals. For the ordinary skill in the art, can concrete condition understand above-mentioned term at concrete meaning of the present invention. In addition,, in description of the invention, except as otherwise noted, " multiple ", " somes' " implication is two or more.
Refer to Fig. 1, what Fig. 1 disclosed is a kind of noise cancelling headphone, comprise shell, gum cover 4 and be arranged on the loudspeaker 3 in described shell, described gum cover 4 comprises sleeve 41, the recurvate bool 42 in two ends and is arranged on the elastic component 43 of described sleeve 41 peripheries, and described sleeve 41 is arranged on the inside of described elastic component 43. The rear end of described sleeve 41 is set on the leading note barrel 21 of described shell, the front end of described sleeve 41 is to the inside of extending and extend into human body external auditory meatus away from the direction of described shell, the front end of described sleeve 41 is connected with one end of described bool 42, the other end of described bool 42 is connected with the front end of described elastic component 43, the outer wall of described elastic component 43 is for being resisted against the inwall of human body external auditory meatus, and described elastic component 43 deforms human body external auditory meatus is sealed according to the shape of human body external auditory meatus inwall.
In the present embodiment, the outer wall dimension of described elastic component 43 increases to the back-end gradually from the front end of described elastic component 43, that is to say that the outer diameter of described elastic component 43 front ends is less than the outer diameter of described elastic component 43 rear ends, 43 one-tenth of described elastic components are round table-like, the length of described elastic component 43 is greater than the length of described sleeve 41, and described elastic component 43 is made up of silica gel.
In the present embodiment, the flexure plane of described bool 42 is circular arc fillet surfaces, can prevent from like this damaging human body external auditory meatus, and the radian of described bool 42 bendings can change, and described bool 42 is that flexible material is made. Described sleeve 41 is made up of non-deformable material, the inwall funnel of described sleeve 41, and the diameter of the inwall front end of described sleeve 41 is greater than the diameter of the rear inner wall of described sleeve 41, is convenient to like this amplify. Described loudspeaker 3 are electromagnetic type loudspeaker, condenser type loudspeaker, electret capacitor type loudspeaker, piezoelectric ceramic type loudspeaker or silica formula loudspeaker.
In the present embodiment, the other end of described sleeve 41 extend on 1/3rd position of human body external auditory meatus, that is to say that the length that described sleeve 41 is arranged in human body external auditory meatus accounts for 1/3rd of human body external auditory meatus total length, described sleeve 41 has the length of 0.8 centimetre to 1.2 centimetres to be arranged in human body external auditory meatus. The outer wall shape of described elastic component 43 and the inner wall shape of human body external auditory meatus are basic identical, and the benefit of design is that the front end of described gum cover 4 is fixed in human body external auditory meatus better like this.
In the present embodiment, on the outer wall of described elastic component 43, be provided with one deck shape variable structure (not drawing), in the time that described elastic component 43 is located in human body external auditory meatus, the outer wall of described elastic component 43 exerts pressure to described shape variable structure, described shape variable structure is deformed according to the shape of human body external auditory meatus inwall, the shape of the described shape variable structure after distortion is identical with the shape of human body external auditory meatus inwall, thereby human body external auditory meatus is better sealed, so just can not make noise enter into people's ear, the sound that can not send loudspeaker 3 disturbs, described shape variable structure is soft material layer.
In the present embodiment, also comprise Flexible Connector (not drawing), one end of described Flexible Connector is connected with the inwall of described elastic component 43 rear ends, and the other end of described Flexible Connector is connected with the outer wall of described sleeve 41 rear ends, and described Flexible Connector is that spring is or/and elastic silica gel. When External Force Acting is on described elastic component 43 and while inwardly pushing described elastic component 43, described Flexible Connector shrinks, after removing external force, described Flexible Connector extends, and the elastic force that described Flexible Connector produces makes described elastic component 43 to the direction motion away from described sleeve 41. The benefit of described Flexible Connector is, described elastic component 43 is resisted against in human body external auditory meatus better, in the time that wearer carries out strenuous exercise, can not make earphone depart from from human body external auditory meatus.
In the present embodiment, also comprise noise reduction hole 24, described noise reduction hole 24 is arranged on the position of described leading note barrel 21 away from described sleeve 41. In the time that the sound that described loudspeaker 3 send pushes the air in people's ear, a part of air pressure can be got rid of in described noise reduction hole 24, thereby alleviates the pressure of air pressure to ear-drum, makes people in the time listening to the music, feel very happy. In the time that wearer wears for a long time, because air is constantly compressed in human body external auditory meatus, the air of compression can be discharged by described noise reduction hole 24, thereby can not make the air of compression that ear-drum is damaged, and can not make wearer's ear produce uncomfortable sensations such as sour swollen.
Between described elastic component 43 and described sleeve 41, form a cavity, when the sound sending when loudspeaker 3 leaks from noise reduction hole 24, the sound leaking can form echo in described cavity, echo and interfere and cancel out each other with the noise of its same frequency, single spin-echo, and then eliminate noise.
Described noise reduction hole 24 is positioned at the inside of described elastic component 43, and the distance of described noise reduction hole 24 inwalls to described elastic component 43 equals the odd-multiple of the half-wavelength of the sound that loudspeaker 3 send. When the sound sending when loudspeaker 3 leaks from noise reduction hole 24; the inwall that the sound leaking runs into described elastic component 43 reflects; after reflection, the sound of sound and leakage interferes and cancels out each other, thereby makes other people can not hear the sound that wearer hears, has protected like this wearer's privacy.
Also comprise control valve, described control valve coordinates with described noise reduction hole 24, in the time of 24 conducting of the described noise reduction of needs hole, controls described control valve and makes it in open mode. In the time that the described noise reduction of needs hole 24 is closed, control described control valve and make it in closed condition. In the process using, user can control described control valve, and timing is opened described noise reduction hole 24 or close.
In the present embodiment, described shell comprises the bonnet 1 of protecgulum 2 together with covering with described protecgulum 2, and described leading note barrel 21 is arranged on described protecgulum 2. Also comprise tuning net 22, described tuning net 22 is arranged on the sound mouth of described leading note barrel 21. On position at the end face of described protecgulum 2 rear ends near inwall, be provided with projection, the drive end bearing bracket of described bonnet 1 is combined on the rear end of described protecgulum 2, and described projection is positioned at the inside of described bonnet 1.
In the present embodiment, be provided with holddown groove 23 on the outer wall of described leading note barrel 21, the rear end of described sleeve 41 is set in described holddown groove 23. The rear end of described sleeve 41 is removably set on the outer wall of described leading note barrel 21, also comprise tube plug (not drawing), when user takes off described gum cover 4 from described leading note barrel 21, by described tube plug plug on described sleeve 41, described tube plug seals described sleeve 41, described like this gum cover 4 has just become an earplug, can effectively prevent that sound from entering into people's ear, ensures that user's ear can not heard any sound.
In the present embodiment, described leading note barrel 21 is hollow structure, and described loudspeaker 3 are arranged in described shell, and described loudspeaker 3 seal up the sound mouth that enters of described leading note barrel 21, and the inner chamber that makes described shell is annular seal space. Also comprise bleeder port 11, described bleeder port 11 is arranged on described bonnet 1, and described bleeder port 11 communicates with the inner chamber of described shell, and described like this bleeder port 11 will make the air pressure of described shell inner cavity identical with atmospheric pressure, has extended the service life of described loudspeaker 3. Described bleeder port 11 is positioned on the diapire of described bonnet 1, and the plane at described diapire place is substantially vertical with the axis of described leading note barrel 21.
In the present embodiment, also comprise cable 5, on the sidewall of described bonnet 1, be provided with cable hole, one end of described cable 5 is electrically connected through described cable hole and described loudspeaker 3, described cable 5 is substantially vertical with the axis of described leading note barrel 21, the benefit of design is to damage described cable 5 like this, extends the service life of described cable 5.
The present invention is owing to having adopted described gum cover 4, described gum cover 4 comprises sleeve 41, bool 42 and elastic component 43, the front end of described sleeve 41 is to the inside of extending and extend into human body external auditory meatus away from the direction of described shell, the outer wall of described elastic component 43 is resisted against on the inwall of human body external auditory meatus, and described elastic component 43 deforms human body external auditory meatus is sealed according to the shape of human body external auditory meatus inwall, the benefit of design is like this, make described elastic component 43 carry out best combination with human body external auditory meatus, can not make described silica gel sheath 4 landings, can not make noise enter into people's ear, ensure the tonequality that described loudspeaker 3 are sounded, there is acoustical quality good, while wearing, be difficult for the advantage such as landing and comfortable wearing.
Claims (10)
1. a noise cancelling headphone, comprise shell, gum cover and be arranged on the loudspeaker in described shell, it is characterized in that: described gum cover comprises sleeve, the recurvate bool in two ends and the elastic component that is arranged on described sleeve periphery, the rear end of described sleeve is set on the leading note barrel of described shell, the front end of described sleeve is to the inside of extending and extend into human body external auditory meatus away from the direction of described shell, the front end of described sleeve is connected with one end of described bool, the other end of described bool is connected with the front end of described elastic component, the outer wall of described elastic component is for being resisted against the inwall of human body external auditory meatus, and described elastic component deforms human body external auditory meatus is sealed according to the shape of human body external auditory meatus inwall.
2. noise cancelling headphone according to claim 1, is characterized in that: the outer wall dimension of described elastic component increases to the back-end gradually from the front end of described elastic component.
3. noise cancelling headphone according to claim 1 and 2, is characterized in that: also comprise noise reduction hole, described noise reduction hole is arranged on the position of described leading note barrel away from described sleeve.
4. noise cancelling headphone according to claim 1 and 2, is characterized in that: described shell comprises the bonnet of protecgulum together with covering with described protecgulum, and described leading note barrel is arranged on described protecgulum.
5. noise cancelling headphone according to claim 4, is characterized in that: also comprise bleeder port, described bleeder port is arranged on described bonnet, and described bleeder port communicates with the inner chamber of described shell.
6. noise cancelling headphone according to claim 5, is characterized in that: described bleeder port is positioned on the diapire of described bonnet, and the plane at described diapire place is substantially vertical with the axis of described leading note barrel.
7. noise cancelling headphone according to claim 4, it is characterized in that: also comprise cable, on the sidewall of described bonnet, be provided with cable hole, one end of described cable is electrically connected through described cable hole and described loudspeaker, and described cable is substantially vertical with the axis of described leading note barrel.
8. noise cancelling headphone according to claim 1 and 2, is characterized in that: also comprise tuning net, described tuning net is arranged on the sound mouth of described leading note barrel.
9. noise cancelling headphone according to claim 1 and 2, is characterized in that: between described elastic component and described sleeve, form a cavity.
10. noise cancelling headphone according to claim 1 and 2, is characterized in that: on the outer wall of described leading note barrel, be provided with holddown groove, the rear end of described sleeve is set in described holddown groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105014.9A CN105592380A (en) | 2016-02-26 | 2016-02-26 | Noise-reducing earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610105014.9A CN105592380A (en) | 2016-02-26 | 2016-02-26 | Noise-reducing earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105592380A true CN105592380A (en) | 2016-05-18 |
Family
ID=55931537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610105014.9A Pending CN105592380A (en) | 2016-02-26 | 2016-02-26 | Noise-reducing earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105592380A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112788473A (en) * | 2021-03-11 | 2021-05-11 | 维沃移动通信有限公司 | Earphone set |
| WO2022188249A1 (en) * | 2021-03-12 | 2022-09-15 | 深圳快听科技有限公司 | Noise reduction apparatus and noise reduction earphone |
| WO2023077908A1 (en) * | 2021-11-05 | 2023-05-11 | 北京荣耀终端有限公司 | Earphone |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103384356A (en) * | 2012-05-03 | 2013-11-06 | 鸿富锦精密工业（深圳）有限公司 | Earphone |
| CN204425589U (en) * | 2015-02-12 | 2015-06-24 | 歌尔声学股份有限公司 | Earphone horn lid and be provided with the earphone of this horn hood |
| CN204906656U (en) * | 2015-09-06 | 2015-12-23 | 寻乌县爱馨泰电子商贸有限公司 | Earphone shell structure |
| CN205829943U (en) * | 2016-02-26 | 2016-12-21 | 深圳市优科威科技有限公司 | Noise cancelling headphone |
-
2016
- 2016-02-26 CN CN201610105014.9A patent/CN105592380A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103384356A (en) * | 2012-05-03 | 2013-11-06 | 鸿富锦精密工业（深圳）有限公司 | Earphone |
| CN204425589U (en) * | 2015-02-12 | 2015-06-24 | 歌尔声学股份有限公司 | Earphone horn lid and be provided with the earphone of this horn hood |
| CN204906656U (en) * | 2015-09-06 | 2015-12-23 | 寻乌县爱馨泰电子商贸有限公司 | Earphone shell structure |
| CN205829943U (en) * | 2016-02-26 | 2016-12-21 | 深圳市优科威科技有限公司 | Noise cancelling headphone |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112788473A (en) * | 2021-03-11 | 2021-05-11 | 维沃移动通信有限公司 | Earphone set |
| CN112788473B (en) * | 2021-03-11 | 2023-12-26 | 维沃移动通信有限公司 | earphone |
| WO2022188249A1 (en) * | 2021-03-12 | 2022-09-15 | 深圳快听科技有限公司 | Noise reduction apparatus and noise reduction earphone |
| WO2023077908A1 (en) * | 2021-11-05 | 2023-05-11 | 北京荣耀终端有限公司 | Earphone |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20160518 |