CN211406246U - Bluetooth earphone - Google Patents

Bluetooth earphone Download PDF

Info

Publication number
CN211406246U
CN211406246U CN202020337463.8U CN202020337463U CN211406246U CN 211406246 U CN211406246 U CN 211406246U CN 202020337463 U CN202020337463 U CN 202020337463U CN 211406246 U CN211406246 U CN 211406246U
Authority
CN
China
Prior art keywords
microphone
earphone
mounting plate
headset
sound
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.)
Expired - Fee Related
Application number
CN202020337463.8U
Other languages
Chinese (zh)
Inventor
邓光伟
何柏胜
何芊
何辉
赖少兵
王勇
包磊
陈嘉宝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou U&i Technology Co ltd
Original Assignee
Guangzhou U&i Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou U&i Technology Co ltd filed Critical Guangzhou U&i Technology Co ltd
Priority to CN202020337463.8U priority Critical patent/CN211406246U/en
Application granted granted Critical
Publication of CN211406246U publication Critical patent/CN211406246U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Headphones And Earphones (AREA)

Abstract

The utility model discloses a bluetooth headset, include: the microphone comprises a shell, a mounting plate, a first microphone and a sealing part. The shell forms an earphone head and an earphone handle; the mounting plate is arranged in the earphone handle; the first microphone is arranged at one end of the mounting plate, which is far away from the earphone head; the sealing part is filled at one end of the earphone handle far away from the earphone head and is used for sealing the earphone handle; the inside sound channel that leads that is provided with of sealing, the one end of leading the sound channel and the pickup hole intercommunication of first microphone, the other end and the exterior space intercommunication of leading the sound channel. The sound of user's speaking gets into the pick-up hole of first microphone through leading the sound passageway, and the noise (for example the noise that the speaker produced) that comes from the earphone head is isolated by the sealing, can't get into the pick-up hole of first microphone, avoids the inside noise of earphone head to influence the tone quality of the conversation sound that the other side heard, has improved voice conversation quality.

Description

Bluetooth earphone
Technical Field
The utility model relates to the technical field of earphones, especially, relate to a bluetooth headset.
Background
With the continuous advancement of technology, electronic products such as MP3 walkman, Personal Digital Assistant (PDA), notebook computer, etc. have no tendency to be miniaturized, and are not necessary for daily life.
The conventional earphone is a near-ear type sound reproducing device which receives an electric signal from a media player or a receiver and converts the electric signal into audible sound waves by using a speaker near the ear. In order to meet the requirement of electronic equipment for conversation, the earphone integrates the microphone function, namely the traditional earphone. In order to be more convenient to use, the earphone is changed from the original wired earphone into the wireless earphone, and the Bluetooth earphone is a common wireless earphone.
In the existing bluetooth headset, a microphone is easily affected by noise (e.g., noise generated by a speaker) inside a cavity of the headset during a call, so that the tone quality of the call sound heard by the other party is affected.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a bluetooth headset can completely cut off the inside noise of earphone head, avoids the inside noise influence of earphone head the tone quality of the conversation sound that the other party heard, has improved voice conversation quality.
An embodiment of the utility model provides a bluetooth headset, include:
a housing forming an earphone head and an earphone handle;
a mounting plate disposed within the earphone handle;
the first microphone is arranged at one end, far away from the earphone head, of the mounting plate;
the sealing part is filled at one end, far away from the earphone head, of the earphone handle and is used for sealing the earphone handle;
the inside sound channel that leads that is provided with of sealing, the one end of leading the sound channel with the pickup hole intercommunication of first microphone, the other end and the exterior space intercommunication of leading the sound channel.
Optionally, the bluetooth headset further comprises noise reduction cotton, and the noise reduction cotton is filled in the sound guide channel.
Optionally, the sealing portion is sleeved on the mounting plate, the sound guide channel and the first microphone are respectively located on two opposite sides of the mounting plate, and a first through hole is formed in the mounting plate corresponding to the sound pickup hole of the first microphone.
Optionally, the sound guide channel is "L" type setting, including being on a parallel with earphone handle extending direction's first section and perpendicular to earphone handle extending direction's second section, first section with the exterior space intercommunication, the second section with the pickup hole intercommunication of first microphone.
Optionally, the bluetooth headset further comprises a second microphone, the second microphone is arranged at one end, close to the headset head, of the mounting plate, and a second through hole corresponding to the second microphone is formed in the position, close to the headset head, of the headset handle.
Optionally, the bluetooth headset further comprises a positioning component, the positioning component is connected with the mounting plate, and the positioning component is used for limiting the relative position of the sealing part and the mounting plate.
Optionally, the positioning component is provided with a buckle, and the mounting plate is provided with a bayonet matched with the buckle.
Optionally, a limiting groove is formed in the inner surface of the earphone handle along the extension direction of the earphone handle, and is used for positioning the mounting plate.
Optionally, set up battery and speaker in the earphone head, the mounting panel is kept away from the one end of earphone head is provided with the electrode post, the battery respectively with electrode post, speaker, first microphone and second microphone wind-powered electricity generation are connected.
Optionally, the bluetooth headset further comprises an end cover, the end cover is connected with one end, far away from the headset head, of the headset handle, and a third through hole and a fourth through hole are formed in the end cover, corresponding to the sound guide channel and the electrode column respectively.
The embodiment of the utility model provides a bluetooth headset, including the first microphone of casing, mounting panel, sealing. The casing forms earphone head and earphone handle, and the mounting panel sets up in the earphone handle, and first microphone sets up in the one end that the earphone head was kept away from to the mounting panel, and the sealing is filled in the one end that the earphone head was kept away from to the earphone handle, and the sealing is used for sealed earphone handle, and the inside sound channel that leads that is provided with of sealing leads, leads the one end of sound channel and the pickup hole intercommunication of first microphone, leads the other end and the exterior space intercommunication of sound channel. The sound of user's speaking gets into the pick-up hole of first microphone through leading the sound passageway, and the noise (for example the noise that the speaker produced) that comes from the earphone head is isolated by the sealing, can't get into the pick-up hole of first microphone, avoids the inside noise of earphone head to influence the tone quality of the conversation sound that the other side heard, has improved voice conversation quality.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is a schematic perspective view of a bluetooth headset according to an embodiment of the present invention;
fig. 2 is a front view of the bluetooth headset of fig. 1;
FIG. 3 is a right side view of the Bluetooth headset of FIG. 2;
FIG. 4 is a cross-sectional view of the Bluetooth headset of FIG. 2 taken along section line A-A;
FIG. 5 is a partial enlarged view of area A in FIG. 4;
fig. 6 is a schematic end view of an earphone handle of a bluetooth earphone according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of the Bluetooth headset of FIG. 5 taken along section line B-B;
fig. 8 is a schematic structural diagram of a mounting plate according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
The embodiment of the utility model provides a bluetooth headset, fig. 1 is the utility model provides a bluetooth headset's that provides a stereogram, fig. 2 is the front view of bluetooth headset in fig. 1, fig. 3 is the right-hand side view of bluetooth headset in fig. 2, fig. 4 is the section view of bluetooth headset in fig. 2 along cut-away line A-A, fig. 5 is the regional enlarged view of A in fig. 4, as shown in fig. 1-5, this bluetooth headset includes casing 100, mounting panel 200, first microphone 310, sealing 400.
The housing 100 forms an earphone head 110 and an earphone handle 120, the housing 100 may be made of hard plastic, and a cavity is formed inside the housing.
Mounting plate 200 may be an elongated plate structure disposed inside earphone handle 120 along the extending direction of earphone handle 120, mounting plate 200 may be a circuit board, and a surface of mounting plate 200 may be provided with a metal wire.
The first microphone 310 is disposed on the mounting plate 200 at an end away from the earphone head 110. specifically, the first microphone 310 may be fixed on the mounting plate 200 by means of a patch or soldering, and electrically connected to a metal wire on the surface of the mounting plate 200.
The sealing part 400 is filled in an end of the earphone handle 120 far from the earphone head 110, and the sealing part 400 is closely attached to an inner surface of the earphone handle 120 for sealing the earphone handle 120. The sealing part 400 is provided therein with a sound guide channel 410, one end of the sound guide channel 410 is communicated with the sound collecting hole 311 of the first microphone 310, and the other end of the sound guide channel 410 is communicated with the external space.
By filling the sealing part 400 at the end of the earphone handle 120 far away from the earphone head 110, the sealing part 400 is internally provided with the sound guide channel 410, the sound of the user speaking enters the sound pickup hole 311 of the first microphone 310 through the sound guide channel 410, and the noise (such as the noise generated by the loudspeaker) from the inside of the earphone head 110 is isolated by the sealing part 400 and cannot enter the sound pickup hole 311 of the first microphone 310, thereby preventing the noise in the earphone head 110 from influencing the tone quality of the conversation sound heard by the other party and improving the voice conversation quality.
The embodiment of the utility model provides a bluetooth headset, including the first microphone of casing, mounting panel, sealing. The casing forms earphone head and earphone handle, and the mounting panel sets up in the earphone handle, and first microphone sets up in the one end that the earphone head was kept away from to the mounting panel, and the sealing is filled in the one end that the earphone head was kept away from to the earphone handle, and the sealing is used for sealed earphone handle, and the inside sound channel that leads that is provided with of sealing leads, leads the one end of sound channel and the pickup hole intercommunication of first microphone, leads the other end and the exterior space intercommunication of sound channel. The sound of user's speaking gets into the pick-up hole of first microphone through leading the sound passageway, and the noise (for example the noise that the speaker produced) that comes from the earphone head is isolated by the sealing, can't get into the pick-up hole of first microphone, avoids the inside noise of earphone head to influence the tone quality of the conversation sound that the other side heard, has improved voice conversation quality.
For example, on the basis of the above embodiments, the material of the sealing portion 400 may be soft silicone or soft rubber, and the sealing portion 400 forms an interference fit with the inner wall of the earphone handle 120, so that the sealing portion 400 can closely adhere to the inner wall of the earphone handle 120, and meanwhile, the soft silicone or the soft rubber has a good sound insulation effect, and insulates the noise inside the earphone head 110.
Illustratively, as shown in fig. 5, in the above embodiment, the sealing portion 400 may be a silicone sleeve, and an end of the mounting plate 200 away from the earphone head 110 penetrates through the sealing portion 400. The first microphone 310 is disposed on one side of the mounting plate 200, the sound guide channels 410 are disposed on two opposite sides of the mounting plate 200, and a first through hole is disposed on the mounting plate corresponding to a sound pickup hole of the first microphone.
Illustratively, as shown in fig. 5, on the basis of the above embodiment, the bluetooth headset further includes a noise reduction cotton 500, the noise reduction cotton 500 is filled in the sound guide channel 410, and the noise reduction cotton 500 may have a microporous structure for absorbing noise. In the process of communication, the environmental noise entering the sound guide channel 410 can be filtered out, and the voice communication quality is improved.
Fig. 6 is an end view of a handle of a bluetooth headset according to an embodiment of the present invention, it should be noted that the end view is an end view of the headset without an end cover, and exemplarily, as shown in fig. 6, the sealing portion 400 is in a sleeve shape, and one end of the mounting plate 200, which is far away from the headset head 110, passes through the sealing portion 400, in other words, the sealing portion 400 is sleeved on the mounting plate 200. As shown in fig. 5, the mounting plate 200 divides the sealing portion 400 into an upper portion and a lower portion, the sound guiding channel 410 and the first microphone 310 are respectively located at two opposite sides of the mounting plate 200, specifically, in the embodiment of the present invention, the sound guiding channel 410 is located in the lower portion of the sealing portion 400, and the first microphone 310 is disposed at one side of the mounting plate 200 opposite to the sound guiding channel 410. A first through hole 210 is formed through the mounting plate 200 at a position on the mounting plate 200 corresponding to the sound pickup hole 311 of the first microphone 310, so as to communicate the sound pickup hole 311 with the sound guide passage 410.
It should be noted that, the above-mentioned embodiment uses the sound guiding channel and the first microphone to be respectively located at the two opposite sides of the mounting plate as an example, and it should be clear to those skilled in the art that the sound guiding channel and the first microphone may also be located at the same side of the mounting plate, for example, the sound guiding channel and the first microphone are all located at the lower side of the mounting plate, and the technical solution of the present invention can be implemented equally, and has the same technical effect, and the embodiment of the present invention is not limited herein.
Illustratively, as shown in fig. 5, the sound guide channel 410 is formed in an "L" shape, and includes a first section parallel to the extending direction of the earphone holder 120 and a second section perpendicular to the extending direction of the earphone holder 120, the first section is communicated with the external space, and the second section is communicated with the sound pickup hole 311 of the first microphone 310. Through leading sound passageway 410 to set to "L" type, can improve bluetooth headset's waterproof, dustproof performance.
Fig. 7 is a cross-sectional view of the bluetooth headset shown in fig. 5 along a sectional line B-B, and fig. 8 is a schematic structural diagram of a mounting plate according to an embodiment of the present invention, as shown in fig. 5, 7 and 8, the bluetooth headset further includes a positioning component 600, the positioning component 600 is connected to the mounting plate 200, and the positioning component 600 is used for defining a relative position between the sealing portion 400 and the mounting plate 200.
Specifically, the positioning component 600 includes positioning plates perpendicular to the mounting plate 200, and 3 positioning plates are located at the lower side of the mounting plate 200 and enclose a semi-closed shape, and a notch is left at one side close to the end face of the earphone handle 120. The positioning member 600 is provided with a snap 610, and the mounting plate 200 is provided with a bayonet 230 matching the snap 610. The snap 610 is engaged with the bayonet to fix the positioning member 600 to the mounting plate 200. During the assembly process, the sealing portion 400 is sleeved on the end of the mounting plate 200 and pushed toward the earphone head 110 along the extending direction of the mounting plate 200 until the sealing portion 400 abuts against the positioning member 600.
Illustratively, as shown in fig. 7, a limiting groove 122 is provided on an inner surface of the earphone holder 120 along an extending direction of the earphone holder 120, for positioning the mounting plate 200. In addition, the retaining groove 122 may also serve as a guide, specifically, the mounting plate 200 is pushed into the earphone handle 120 along the retaining groove 122 during assembly.
Illustratively, in some embodiments of the present invention, the bluetooth headset may further include a second microphone 320, the second microphone 320 is disposed at one end of the mounting plate 200 close to the headset head 110, and a second through hole 121 corresponding to the second microphone 320 is disposed on the headset stem 120 close to the headset head 110. Specifically, as shown in fig. 5, in the embodiment of the present invention, the second microphone 320 is disposed at the lower side of the mounting plate 200, the second through hole 121 is disposed at a side of the earphone handle 120 away from the second microphone 320, and the through hole 220 penetrating through the mounting plate 200 is disposed at a position of the mounting plate 200 corresponding to the sound pickup hole of the second microphone 320.
The second microphone 320 is used for actively reducing noise, specifically, in the process of communication, the second microphone 320 collects environmental noise and converts the environmental noise into an electric signal to be input to the internal circuit, and the internal circuit generates a reverse sound signal according to the input electric signal to offset the environmental noise, so that the active noise reduction is realized, and the voice communication quality is improved.
For example, the embodiment of the present invention provides a storage battery (not shown in the figure) and a speaker (not shown in the figure) in the earphone head, an electrode column 700 is disposed at one end of the mounting plate 200 away from the earphone head, and the storage battery is electrically connected to the electrode column 700, the speaker, the first microphone 310 and the second microphone 320 respectively. The storage battery is used for supplying power to the speaker, the first microphone 310 and the second microphone 320, and the electrode posts 700 are used for connecting an external charger or an earphone cabin to charge the storage battery. Specifically, when the bluetooth headset is placed in the headset cabin, the electrode posts 700 contact with metal contacts in the headset cabin, thereby charging the storage battery.
Exemplarily, as shown in fig. 1-5, the bluetooth headset of the present invention further includes an end cover 800, the end cover 800 and the end of the headset stem 120 far from the headset head 110 are fastened together, and a third through hole 810 and a fourth through hole 820 are respectively disposed on the end cover 800 corresponding to the sound guiding channel 410 and the electrode post 700.
Illustratively, the earphone head 110 is provided with a sound outlet 111, and the speaker is disposed in the cavity of the earphone head 110, with a sound outlet surface of the speaker facing the sound outlet 111.
Illustratively, as shown in fig. 2, a tuning hole 112 communicating with the internal cavity is provided on the earphone head 110 near the sound outlet 111. The cavity structure of the earphone is a completely closed design except for the sound outlet 111, so that the pressure inside the earphone is increased when the loudspeaker vibrates, and the vibration of the loudspeaker is prevented. Through setting up tone tuning hole 112 can let the air flow in and flow out from the earphone, not only prevented pressure from piling up, let the speaker of earphone can more free motion, can also create better tone quality and heavy bass effect simultaneously.
For example, in the above embodiment, in order to prevent external dust from entering the earphone through the sound outlet 111 and the third through hole 810 tuning hole 112, a dust-proof filter (not shown) is disposed on the inner wall of the casing 100 at the positions of the sound outlet 111 and the third through hole 810 tuning hole 112, and the sound outlet 111 and the third through hole 810 tuning hole 112 are disposed.
In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are used in a descriptive sense and with reference to the illustrated orientation or positional relationship for purposes of descriptive convenience and simplicity of operation, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be appropriately combined to form other embodiments as will be appreciated by those skilled in the art.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.

Claims (10)

1. A bluetooth headset, comprising:
a housing forming an earphone head and an earphone handle;
a mounting plate disposed within the earphone handle;
the first microphone is arranged at one end, far away from the earphone head, of the mounting plate;
the sealing part is filled at one end, far away from the earphone head, of the earphone handle and is used for sealing the earphone handle;
the inside sound channel that leads that is provided with of sealing, the one end of leading the sound channel with the pickup hole intercommunication of first microphone, the other end and the exterior space intercommunication of leading the sound channel.
2. The bluetooth headset of claim 1, further comprising noise reduction cotton filled in the sound guide channel.
3. The bluetooth headset as claimed in claim 1, wherein the sealing portion is disposed on a mounting plate, the sound guide channel and the first microphone are disposed on opposite sides of the mounting plate, and a first through hole is disposed on the mounting plate at a position corresponding to a sound pickup hole of the first microphone.
4. The bluetooth headset of claim 1, wherein the sound guide channel is disposed in an "L" shape, and includes a first section parallel to the extension direction of the headset handle and a second section perpendicular to the extension direction of the headset handle, the first section is communicated with the external space, and the second section is communicated with the sound pickup hole of the first microphone.
5. The Bluetooth headset of any one of claims 1-4, further comprising a second microphone, wherein the second microphone is disposed at one end of the mounting plate close to the headset head, and a second through hole corresponding to the second microphone is formed at a position of the headset handle close to the headset head.
6. The bluetooth headset of claim 5, further comprising a positioning member coupled to the mounting plate for defining a relative position of the sealing portion to the mounting plate.
7. The bluetooth headset according to claim 6, wherein the positioning member is provided with a snap, and the mounting plate is provided with a bayonet matched with the snap.
8. The bluetooth headset of claim 1, wherein a limiting groove is formed on the inner surface of the earphone handle along the extension direction of the earphone handle for positioning the mounting plate.
9. The Bluetooth headset of claim 5, wherein a battery and a speaker are arranged in the headset head, an electrode post is arranged at one end of the mounting plate, which is far away from the headset head, and the battery is electrically connected with the electrode post, the speaker, the first microphone and the second microphone respectively.
10. The bluetooth headset of claim 9, further comprising an end cap, wherein the end cap is connected to an end of the headset handle away from the headset head, and a third through hole and a fourth through hole are respectively formed in the end cap corresponding to the sound guide channel and the electrode post.
CN202020337463.8U 2020-03-17 2020-03-17 Bluetooth earphone Expired - Fee Related CN211406246U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020337463.8U CN211406246U (en) 2020-03-17 2020-03-17 Bluetooth earphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020337463.8U CN211406246U (en) 2020-03-17 2020-03-17 Bluetooth earphone

Publications (1)

Publication Number Publication Date
CN211406246U true CN211406246U (en) 2020-09-01

Family

ID=72209501

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020337463.8U Expired - Fee Related CN211406246U (en) 2020-03-17 2020-03-17 Bluetooth earphone

Country Status (1)

Country Link
CN (1) CN211406246U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111935587A (en) * 2020-09-17 2020-11-13 深圳市科奈信科技有限公司 Bluetooth headset noise reduction integrated structure
CN112788463A (en) * 2021-01-19 2021-05-11 惠州Tcl移动通信有限公司 Earphone set
CN112804604A (en) * 2020-12-18 2021-05-14 歌尔光学科技有限公司 Waterproof tone tuning structure and acoustic equipment
CN113271516A (en) * 2021-05-24 2021-08-17 深圳洪堡科技有限公司 Noise reduction earphone and squeaking prevention structure thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111935587A (en) * 2020-09-17 2020-11-13 深圳市科奈信科技有限公司 Bluetooth headset noise reduction integrated structure
CN111935587B (en) * 2020-09-17 2021-02-19 深圳市科奈信科技有限公司 Bluetooth headset noise reduction integrated structure
CN112804604A (en) * 2020-12-18 2021-05-14 歌尔光学科技有限公司 Waterproof tone tuning structure and acoustic equipment
CN112804604B (en) * 2020-12-18 2022-04-12 歌尔光学科技有限公司 Waterproof tone tuning structure and acoustic equipment
CN112788463A (en) * 2021-01-19 2021-05-11 惠州Tcl移动通信有限公司 Earphone set
CN112788463B (en) * 2021-01-19 2022-10-25 惠州Tcl移动通信有限公司 Earphone set
CN113271516A (en) * 2021-05-24 2021-08-17 深圳洪堡科技有限公司 Noise reduction earphone and squeaking prevention structure thereof

Similar Documents

Publication Publication Date Title
CN211406246U (en) Bluetooth earphone
CN210093435U (en) Loudspeaker box
CN216960146U (en) Noise reduction earphone
CN216752048U (en) Loudspeaker and in-ear earphone
CN211406247U (en) Half-in-ear earphone
CN215773497U (en) Active noise reduction Bluetooth headset
CN215187292U (en) Earphone set
CN214481199U (en) Headset module and headset
CN214799830U (en) Ear-hanging type bone conduction earphone
CN211930858U (en) True wireless stereo earphone
CN212519077U (en) Electronic device
CN213403429U (en) Earphone set
CN211152172U (en) Bluetooth earphone
CN211089911U (en) Earphone set
CN214708021U (en) Wireless earphone
CN216721537U (en) Earphone and earphone assembly
CN221081532U (en) Self-adaptive Bluetooth headset
CN221306059U (en) Open earphone capable of preventing sweat from entering
CN216217512U (en) Bluetooth earphone
CN213990964U (en) TWS earphone of making an uproar falls
CN217825285U (en) Wind noise resistant earphone and earphone assembly thereof
CN211860488U (en) Wireless earphone
CN216752042U (en) Earphone and earphone assembly
CN214014475U (en) Waterproof bluetooth headset
CN212785800U (en) Effectual bluetooth headset of tone quality

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200901