CN109874093A - A kind of microphone device - Google Patents
A kind of microphone device Download PDFInfo
- Publication number
- CN109874093A CN109874093A CN201910211501.7A CN201910211501A CN109874093A CN 109874093 A CN109874093 A CN 109874093A CN 201910211501 A CN201910211501 A CN 201910211501A CN 109874093 A CN109874093 A CN 109874093A
- Authority
- CN
- China
- Prior art keywords
- conductive board
- magnetic conductive
- vibrating diaphragm
- microphone device
- side magnetic
- 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.)
- Granted
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The present invention discloses a kind of microphone device, including vibrational system and magnetic circuit system；The vibrational system includes the vibrating diaphragm and voice coil to link together；The magnetic circuit system includes centring magnet and the side magnet being arranged on the outside of the centring magnet；Center magnetic conductive board, the magnetic conductive board when being correspondingly arranged on magnet are provided on the centring magnet；Wherein, the vibrating diaphragm include middle part, around middle part setting edge and the reinforcement part at the middle part is set；In the short transverse of the microphone device, the corresponding lower position for being located at the vibrating diaphragm of the side magnetic conductive board, the reinforcement part has the extension extended to the edge, and the extension crosses the inside edge of the side magnetic conductive board.Technical solution of the present invention has the advantages that performance resistant to pressure is strong, promotes the waterproof reliability for having raised sound device.
Description
Technical field
The present invention relates to sounding field, in particular to a kind of microphone device.
Background technique
Traditional microphone device by influence of hydraulic pressure, can make microphone device vibrating diaphragm that can continue inward displacement, work as water in water
When pressing through big, it is easy to cause vibrating diaphragm overstretching and can not effectively replys, so that vibrating diaphragm is damaged, influence the performance and waterproof of product
Effect.
Summary of the invention
The main object of the present invention is to propose a kind of microphone device, it is intended to promote the waterproof reliability of microphone device.
To achieve the above object, microphone device proposed by the present invention, comprising:
A kind of microphone device, which is characterized in that including vibrational system and magnetic circuit system；The vibrational system includes being connected to
Vibrating diaphragm and voice coil together；The magnetic circuit system includes centring magnet and the side magnet being arranged on the outside of the centring magnet；
Center magnetic conductive board, the magnetic conductive board when being correspondingly arranged on magnet are provided on the centring magnet；Wherein,
The vibrating diaphragm include middle part, around middle part setting edge and the reinforcement part at the middle part is set；
In the short transverse of the microphone device, the corresponding lower position for being located at the vibrating diaphragm of the side magnetic conductive board, institute
Stating reinforcement part has the extension extended to the edge of the vibrating diaphragm, and the extension crosses the inner side edge of the side magnetic conductive board
Edge.
Optionally, the length that the extension crosses side magnetic conductive board inside edge is greater than or equal to 0.2mm.
Optionally, the side magnetic conductive board is annular, and the vibrating diaphragm is in rectangle, and the extension includes:
The first extension extended along the vibrating diaphragm length direction；And/or
The second extension extended along the vibrating diaphragm width direction.
Optionally, the reinforcement part is located at side of the vibrating diaphragm towards the side magnetic conductive board.
Optionally, in the short transverse of the microphone device, the center magnetic conductive board is arranged under the reinforcement part
Side；Also, the upper surface of the center magnetic conductive board is concordant with the upper surface of the side magnetic conductive board, or has difference in height.
Optionally, the microphone device further include:
The lower surface of the centring magnet is arranged in conductive magnetic yoke, and the conductive magnetic yoke, which has, to be located at below the side magnetic conductive board
Part.
Optionally, the vibrating diaphragm is monolayer thermoplastic's polyester elastomer film；
Alternatively, the vibrating diaphragm is the composite membrane of at least two layers of thermoplastic polyester elastomer；
The voice coil is connected and fixed with the reinforcement part；The edge of the vibrating diaphragm is equipped with recessed to the direction close to the voice coil
Sunken ring portion.
Optionally, the microphone device further includes shell, and the interior of shell is formed with accommodating chamber；The vibrating diaphragm with it is described
The edge described in the accommodating chamber and the cage connection, the side magnetic conductive board and the cage connection is arranged in side magnetic conductive board.
Optionally, the side of the shell has the sealing ring around shell setting
Optionally, the side magnetic conductive board and the shell integrated injection molding.
Technical solution of the present invention extends by using the extension of reinforcement part to the vibrating diaphragm edge, and crosses side magnetic conductive board
Inside edge, when so that the vibrating diaphragm is moved at the side magnetic conductive board under external water pressure, the side magnetic conductive board can be propped up
The edge for supportting the reinforcement part of the vibrating diaphragm has the function of that the vibrating diaphragm is prevented to continue to avoid shaking to microphone device internal displacement
Film occurs excessive deformation and can not reply, at the same the edge that can be avoided the reinforcement part occur excessive deformation and with it is described in
Part is from so that the microphone device has good performance resistant to pressure, technical solution of the present invention can effectively enhance acoustical generator
The waterproof reliability of part.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of microphone device of the present invention；
Fig. 2 is the explosive view of microphone device in Fig. 1；
Drawing reference numeral explanation:
| Label | Title | Label | Title |
| 100 | Shell | 200 | Vibrating diaphragm |
| 210 | Middle part | 220 | Reinforcement part |
| 221 | Extension | 230 | Edge |
| 300 | Side magnetic conductive board | 310 | The inside edge of side magnetic conductive board |
| 400 | Center magnetic conductive board | 500 | Centring magnet |
| 510 | Side magnet | 600 | Conductive magnetic yoke |
| 700 | Voice coil | 900 | Sealing ring |
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that if relating to directionality instruction (such as up, down, left, right, before and after ...) in the embodiment of the present invention,
Then directionality instruction be only used for explain under a certain particular pose (as shown in the picture) between each component relative positional relationship,
Motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, being somebody's turn to do " first ", " second " etc. if relating to the description of " first ", " second " etc. in the embodiment of the present invention
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.It in addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, will be understood that the knot of this technical solution when conflicting or cannot achieve when occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection scope within.
The present invention proposes a kind of microphone device.
In embodiments of the present invention, as shown in Figure 1 and Figure 2, which includes vibrational system and magnetic circuit system；It is described
Vibrational system includes the vibrating diaphragm 200 and voice coil 700 to link together；The magnetic circuit system includes centring magnet 500 and setting
Side magnet 510 in 500 outside of centring magnet；Center magnetic conductive board 400, the side are provided on the centring magnet 500
Side magnetic conductive board 300 is correspondingly arranged on magnet 510；Wherein, vibrating diaphragm 200, the vibrating diaphragm 200 include middle part 210, surround in described
The edge 230 that portion 210 is arranged and the reinforcement part 220 that the middle part 210 is set；In the short transverse of the microphone device,
The side magnetic conductive board 300, the corresponding lower position for being located at the vibrating diaphragm 200, the reinforcement part 220, which has to the edge, to be extended
Extension 221, the extension 221 crosses the inside edge 310 of the side magnetic conductive board.Microphone device described in the present embodiment exists
When receiving external water pressure, the vibrating diaphragm 200 is displaced under the action of pressure to the side magnetic conductive board 300.The extension 221 is got over
The inside edge 310 for crossing the side magnetic conductive board makes, the extension 221 the side magnetic conductive board 300 throwing in the plane
Shadow has Chong Die part with side magnetic conductive board 300, so that when the vibrating diaphragm 200 is moved at the side magnetic conductive board 300,
The extension 221 has interaction with the side magnetic conductive board 300.
Technical solution of the present invention extends by using the extension 221 of reinforcement part 220 to 200 edge of vibrating diaphragm, and more
The inside edge 310 of side magnetic conductive board is crossed, when so that the vibrating diaphragm 200 is moved at the side magnetic conductive board 300 under external water pressure,
The side magnetic conductive board 300 can support the edge of the reinforcement part 220 of the vibrating diaphragm 200, have prevent the vibrating diaphragm 200 continue to
The effect of microphone device internal displacement avoids vibrating diaphragm 200 that excessive deformation occurs and can not reply, while can be avoided the reinforcement
The edge in portion 220 occurs excessive deformation and separates with the middle part 210, therefore technical solution of the present invention can effectively enhance hair
The waterproof reliability of acoustic device.
Further, in the present embodiment, as shown in Figure 1, the extension 221 crosses 300 inside of side magnetic conductive board
The length at edge is a, and a is greater than or equal to 0.2mm.When the vibrating diaphragm 200 is subjected to displacement under the action of external water pressure, usually in
The shape quantitative change in portion 210 is greater than the deformation quantity of edge 230, so that the extension 221 of reinforcement part 220 follows the fortune of the vibrating diaphragm 200
Dynamic rail mark has certain radian, is easy so that the length that extension 221 aligns the side magnetic conductive board 300 reduces, when the extension
Portion 221 cross 300 inside edge of side magnetic conductive board length it is too small when, will lead to side magnetic conductive board 300 can not give described prolong
The enough supports in long portion 221, reinforcement part 220 are easy to happen deformation.When the extension 221 is crossed in the side magnetic conductive board 300
When the length a of side edge is greater than or equal to 0.2mm, the side magnetic conductive board 300 can give the extension 221 enough branch
Support, to ensure the performance of the anti-external water pressure of microphone device.The reinforcement part 220 extend can increase reinforcement part 200 with it is described
The connection area at middle part 210, be conducive to the reinforcement part 220 connected on the middle part 210 it is more firm.
Further, in the present embodiment, as shown in Figure 1 and Figure 2, the side magnetic conductive board 300 is annular, the vibrating diaphragm 200
In rectangle, the extension 221 includes the first extension 221 extended along 200 length direction of vibrating diaphragm.When the vibrating diaphragm
200 be in rectangle when, microphone device external water pressure effect under, the deformation quantity that the vibrating diaphragm 200 occurs in the longitudinal direction is big, because
This, the first extension 221 being arranged on the length direction of the vibrating diaphragm 200 enables to the side magnetic conductive board 300 to described
Reinforcement part 220 is effectively supported, and prevents reinforcement part 220 from excessive deformation occurs on the length direction of the vibrating diaphragm 200.
Extension 221 described in the present embodiment is not limited only to above-mentioned technical proposal, in other embodiments, is also possible to prolong
Long portion includes the second extension extended along the vibrating diaphragm width direction；Either, the extension includes long along the vibrating diaphragm
The first extension that direction extends, and the second extension extended along the vibrating diaphragm width direction are spent, is conducive to described in increase
The contraposition area of side magnetic conductive board and the reinforcement part has to enhance the side magnetic conductive board to the support effect of the reinforcement part
Conducive to the waterproof reliability of enhancing microphone device.
Vibrating diaphragm 200 described in the present embodiment is not limited only to above-mentioned technical proposal, in other embodiments, is also possible to described
Vibrating diaphragm is square, and the vibrating diaphragm includes the first the second side intersected while described first, and the extension includes: at this time
Along the vibrating diaphragm first in the third extension extended and/or along the vibrating diaphragm the second while extended 4th extension；It can be with
It is that the vibrating diaphragm is rounded, the extension circular is radially extended along described at this time.
Further, in the present embodiment, as shown in Figure 1, the reinforcement part 220 is located at the vibrating diaphragm 200 towards described
The side of side magnetic conductive board 300.Under the action of external water pressure, the vibrating diaphragm 200 is located to the side magnetic conduction microphone device
When at plate 300, the reinforcement part 220 is abutted with the side magnetic conductive board 300, the reinforcement part 220 spy usually big with rigidity
Point, therefore the reinforcement part 220 of vibrating diaphragm 200 abuts with the side magnetic conductive board 300 and is less likely to be damaged, and is conducive to promote the acoustical generator
The service life of part.Reinforcement part 220 described in the present embodiment is not limited only to above-mentioned technical proposal, in other embodiments, the benefit
Strong portion is located at the vibrating diaphragm backwards to the side of the side magnetic conductive board, has the advantages that install convenient for the reinforcement part.
Further, in the present embodiment, as shown in Figure 1, in the short transverse of the microphone device, the center is led
Magnetic sheet 400 is correspondingly arranged at the lower position of the reinforcement part 220.Specifically, the center magnetic conductive board 400 is located at the annular
The centre of magnetic conductive board, the center magnetic conductive board 400 can be used in supporting the reinforcement part 220, to realize the side magnetic conductive board
300 and the center magnetic conductive board 400 support the reinforcement part 220 jointly, be capable of increasing the supporting surface to the reinforcement part 220
Product, so that supporting role of the enhancing to the reinforcement part 220, is conducive to the waterproof reliability for enhancing microphone device.
Further, in the present embodiment, as shown in Figure 1, the upper surface of the center magnetic conductive board 400 and the side magnetic conduction
The upper surface of plate 300 is concordant.When the center magnetic conductive board 400 supports the vibrating diaphragm 200, the upper table of the center magnetic conductive board 400
Face is contacted with the vibrating diaphragm 200, when the side magnetic conductive board 300 supports the vibrating diaphragm 200, the upper surface of the side magnetic conductive board 300
It being contacted with the vibrating diaphragm 200, the upper surface of the center magnetic conductive board 400 is concordant with the upper surface of the side magnetic conductive board 300, so that
It is kept by the part vibrating diaphragm 200 that the center magnetic conductive board 400 supports with the part vibrating diaphragm 200 supported by the side magnetic conductive board 300
Concordantly, to reduce the opposite phase transformation between this two parts vibrating diaphragm 200, be conducive to protect the vibrating diaphragm 200.The present embodiment is not only
It is limited to above-mentioned technical proposal, in other embodiments, is also possible in the short transverse of the microphone device, the center
The upper surface of magnetic conductive board and the upper surface of the side magnetic conductive board have difference in height, advantageously reduce the difficult processing of the generating device
Degree.
Further, in the present embodiment, as shown in Figure 1, the microphone device also conductive magnetic yoke 600, connects the center
The lower surface of magnet 500, the conductive magnetic yoke 600 have the part for being located at 300 lower section of side magnetic conductive board, the conductive magnetic yoke 600
Have the function of supporting the center magnetic conductive board 400 and the side magnetic conductive board 300, is conducive to enhance the center magnetic conductive board 400
With the stability of 300 structure of side magnetic conductive board, thus promoted the center magnetic conductive board 400 and the side magnetic conductive board 300 support
The reliability of the vibrating diaphragm 200.
Further, in the present embodiment, the vibrating diaphragm 200 is monolayer thermoplastic's polyester elastomer film, so that the vibration
Film 200 has excellent flexural fatigue resistance energy, excellent impact resistance, it is good tear resistance and wearability, excellent
Electrical property and excellent charge ability to bear；The voice coil 700 is connected and fixed with the reinforcement part 220；The side of the vibrating diaphragm 200
Portion 230 is equipped with the ring portion being recessed to the direction close to the voice coil 700.Vibrating diaphragm 200 described in the present embodiment is not limited only to above-mentioned
Technical solution is also possible to the composite membrane that the vibrating diaphragm is at least two layers of thermoplastic polyester elastomer in other embodiments,
Have the advantages that enhance vibrating diaphragm anti-pressure ability.
Further, in the present embodiment, as shown in Figure 1, the microphone device further includes shell 100, the shell 100
Inside is formed with accommodating chamber；The vibrating diaphragm 200 is arranged with the side magnetic conductive board 300 in the accommodating chamber, the edge 230 and institute
The connection of shell 100 is stated, the side magnetic conductive board 300 is connect with the shell 100.The side magnetic conductive board 300 is fixed on the shell
On 100, so that the side magnetic conductive board 300 stable structure in the accommodating chamber, is conducive to ensure 300 pairs of institutes of the side magnetic conductive board
State the stability of strutting system of vibrating diaphragm 200.Specifically, microphone device described in the present embodiment further includes voice coil 700, and the voice coil 700 connects
The lower surface in the reinforcement part 220 is connect, and between the side magnetic conductive board 300 and the center magnetic conductive board 400.
Side magnetic conductive board 300 described in the present embodiment is not limited only to above-mentioned technical proposal, in other implementations, is also possible to institute
State that conductive magnetic yoke is U-shaped, the side magnetic conductive board is connected to the end face of the conductive magnetic yoke, and conductive magnetic yoke is fixed in the accommodating chamber, makes
It obtains the conductive magnetic yoke and is capable of fixing the support side magnetic conductive board, so that the side magnetic conductive board, which has, can support the vibrating diaphragm
Effect.
Further, in the present embodiment, as shown in Figure 1, the side magnetic conductive board 300 and 100 integrated injection molding of shell
Molding, has the advantages that stable connection, the high advantage of production effect, while can reduce the component count that microphone device needs to assemble
Amount, is conducive to the assembly efficiency for promoting the microphone device.
Side magnetic conductive board 300 described in the present embodiment and the shell 100 are not limited only to above-mentioned technical proposal, in other implementations
In, it is also possible to the side magnetic conductive board by screw and the cage connection, has the advantages that easy to assembly.
Further, in the present embodiment, as shown in Figure 1 and Figure 2, the side of the shell 100, which has, surrounds the shell
The sealing ring 900 of setting；Specifically, the side of the shell 100 is equipped with mounting groove, and the sealing ring 900 is fixed on will be described
In mounting groove, and the sealing ring 900 is at least partly convexly equipped in outside the mounting groove.When the microphone device is mounted on equipment
Behind (such as mobile phone, electronic watch etc.) inside, the sealing ring is abutted with equipment, to enhance the waterproofness of the generating device
Energy.
The above description is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
It is included in other related technical areas in scope of patent protection of the invention.
Claims (10)
1. a kind of microphone device, which is characterized in that including vibrational system and magnetic circuit system；The vibrational system includes being connected to one
The vibrating diaphragm and voice coil risen；The magnetic circuit system includes centring magnet and the side magnet being arranged on the outside of the centring magnet；Institute
It states and is provided with center magnetic conductive board on centring magnet, the magnetic conductive board when being correspondingly arranged on magnet；Wherein,
The vibrating diaphragm include middle part, around middle part setting edge and the reinforcement part at the middle part is set；
In the short transverse of the microphone device, the corresponding lower position for being located at the vibrating diaphragm of the side magnetic conductive board, the benefit
Strong portion has the extension extended to the edge, and the extension crosses the inside edge of the side magnetic conductive board.
2. microphone device as described in claim 1, which is characterized in that the extension crosses side magnetic conductive board inside edge
Length be greater than or equal to 0.2mm.
3. microphone device as described in claim 1, which is characterized in that the side magnetic conductive board is annular, and the vibrating diaphragm is in rectangle,
The extension includes:
The first extension extended along the vibrating diaphragm length direction, and/or,
The second extension extended along the vibrating diaphragm width direction.
4. microphone device as described in claim 1, which is characterized in that the reinforcement part is located at the vibrating diaphragm and leads towards the side
The side of magnetic sheet.
5. microphone device as described in claim 1, which is characterized in that in the short transverse of the microphone device, it is described in
Heart magnetic conductive board is correspondingly arranged at the lower position of the reinforcement part；Also, the upper surface of the center magnetic conductive board is led with the side
The upper surface of magnetic sheet is concordant, or has difference in height.
6. microphone device as described in claim 1, which is characterized in that the microphone device further include:
Conductive magnetic yoke, is arranged in the lower surface of the centring magnet, and the conductive magnetic yoke has the portion being located at below the side magnetic conductive board
Point.
7. microphone device as described in claim 1, which is characterized in that the vibrating diaphragm is monolayer thermoplastic's polyester elastomer film；
Alternatively, the vibrating diaphragm is the composite membrane of at least two layers of thermoplastic polyester elastomer；
The voice coil is connected and fixed with the reinforcement part；The edge of the vibrating diaphragm is equipped with to close to the direction of voice coil recess
Ring portion.
8. microphone device as described in any one of claim 1 to 7, which is characterized in that the microphone device further includes shell, institute
It states interior of shell and is formed with accommodating chamber；The vibrating diaphragm and the side magnetic conductive board are arranged in the accommodating chamber, the edge with it is described
Cage connection, the side magnetic conductive board and the cage connection.
9. microphone device as claimed in claim 8, which is characterized in that the side of the shell has to be arranged around the shell
Sealing ring.
10. microphone device as claimed in claim 8, which is characterized in that the side magnetic conductive board and the shell integrated injection molding at
Type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211501.7A CN109874093B (en) | 2019-03-19 | 2019-03-19 | Sounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910211501.7A CN109874093B (en) | 2019-03-19 | 2019-03-19 | Sounding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109874093A true CN109874093A (en) | 2019-06-11 |
| CN109874093B CN109874093B (en) | 2022-02-01 |
Family
ID=66920814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910211501.7A Active CN109874093B (en) | 2019-03-19 | 2019-03-19 | Sounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109874093B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933570A (en) * | 2019-12-13 | 2020-03-27 | 歌尔股份有限公司 | Sound production device and electronic equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1838836A (en) * | 2005-01-28 | 2006-09-27 | 桑尼奥霍森斯公司 | Miniature multi-loudspeaker module |
| US20090060251A1 (en) * | 2007-08-29 | 2009-03-05 | Tatsuya Maeda | Loudspeaker diaphragm and loudspeaker using the same |
| US20150016639A1 (en) * | 2013-07-15 | 2015-01-15 | AAC Technologies Pte. Ltd. | Miniature Speaker |
| WO2016180299A1 (en) * | 2015-05-08 | 2016-11-17 | Sound Solutions International Co., Ltd. | Capacitive membrane positioning tracking |
| CN206136277U (en) * | 2016-09-09 | 2017-04-26 | 歌尔股份有限公司 | Speaker monomer, speaker module and sound generating mechanism |
| CN107277718A (en) * | 2017-07-28 | 2017-10-20 | 常州市润蒙声学科技有限公司 | Loudspeaker |
| CN207083221U (en) * | 2017-07-17 | 2018-03-09 | 瑞声精密电子沭阳有限公司 | Acoustical generator |
| CN108574917A (en) * | 2018-05-28 | 2018-09-25 | 歌尔股份有限公司 | Electronic equipment |
| CN208386925U (en) * | 2018-06-25 | 2019-01-15 | 歌尔股份有限公司 | Portable terminal |
-
2019
- 2019-03-19 CN CN201910211501.7A patent/CN109874093B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1838836A (en) * | 2005-01-28 | 2006-09-27 | 桑尼奥霍森斯公司 | Miniature multi-loudspeaker module |
| US20090060251A1 (en) * | 2007-08-29 | 2009-03-05 | Tatsuya Maeda | Loudspeaker diaphragm and loudspeaker using the same |
| US20150016639A1 (en) * | 2013-07-15 | 2015-01-15 | AAC Technologies Pte. Ltd. | Miniature Speaker |
| WO2016180299A1 (en) * | 2015-05-08 | 2016-11-17 | Sound Solutions International Co., Ltd. | Capacitive membrane positioning tracking |
| CN206136277U (en) * | 2016-09-09 | 2017-04-26 | 歌尔股份有限公司 | Speaker monomer, speaker module and sound generating mechanism |
| CN207083221U (en) * | 2017-07-17 | 2018-03-09 | 瑞声精密电子沭阳有限公司 | Acoustical generator |
| CN107277718A (en) * | 2017-07-28 | 2017-10-20 | 常州市润蒙声学科技有限公司 | Loudspeaker |
| CN108574917A (en) * | 2018-05-28 | 2018-09-25 | 歌尔股份有限公司 | Electronic equipment |
| CN208386925U (en) * | 2018-06-25 | 2019-01-15 | 歌尔股份有限公司 | Portable terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933570A (en) * | 2019-12-13 | 2020-03-27 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN110933570B (en) * | 2019-12-13 | 2021-11-16 | 歌尔股份有限公司 | Sound production device and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109874093B (en) | 2022-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR200353267Y1 (en) | The structure of condenser microphone | |
| CN111093138B (en) | Sound production device | |
| US10397718B2 (en) | Vibration diaphragm and manufacturing method thereof | |
| CN110267169A (en) | A kind of loudspeaker | |
| CN111935618B (en) | Loudspeaker | |
| US20230328427A1 (en) | Multifunctional Sounding Device | |
| CN111988711B (en) | Speaker monomer and electronic terminal | |
| CN109511079A (en) | Sounding device, for sounding device vibrating diaphragm component processing method | |
| CN109874093A (en) | A kind of microphone device | |
| CN111988713B (en) | Speaker monomer and electronic terminal | |
| CN105657618A (en) | Loudspeaker module shell and manufacturing method for same | |
| CN102820760A (en) | Vibration motor, upper cover of vibration motor and production method of upper cover | |
| CN109743662B (en) | Centering support piece and sound production device | |
| US20230328443A1 (en) | Multifunctional Sounding Device | |
| CN109040925B (en) | Speaker and earphone | |
| CN205510396U (en) | Vibrating diaphragm and voice coil loudspeaker voice coil subassembly | |
| CN215300907U (en) | Sound production device | |
| CN107147976B (en) | Acoustic generator and electronic device comprising same | |
| KR102132134B1 (en) | Speaker module housing, speaker module and vocalizer | |
| CN112637753B (en) | Preparation method of loudspeaker module | |
| CN112492464B (en) | Speaker and electronic apparatus | |
| CN213938307U (en) | Sound production device | |
| CN211531313U (en) | Loudspeaker | |
| CN101227765B (en) | Ultra-thin moving-coil type electro-acoustic conversing device | |
| CN215647322U (en) | Large-amplitude loudspeaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |