CN108551637A - Loudspeaker housing and loud speaker module - Google Patents

Loudspeaker housing and loud speaker module Download PDF

Info

Publication number
CN108551637A
CN108551637A CN201810594712.9A CN201810594712A CN108551637A CN 108551637 A CN108551637 A CN 108551637A CN 201810594712 A CN201810594712 A CN 201810594712A CN 108551637 A CN108551637 A CN 108551637A
Authority
CN
China
Prior art keywords
shell
stop
loudspeaker housing
open
longitudinal
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
Application number
CN201810594712.9A
Other languages
Chinese (zh)
Inventor
张怀省
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.)
Goertek Inc
Original Assignee
Goertek Inc
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 Goertek Inc filed Critical Goertek Inc
Priority to CN201810594712.9A priority Critical patent/CN108551637A/en
Publication of CN108551637A publication Critical patent/CN108551637A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The invention discloses a kind of loudspeaker housing and loud speaker modules.The shell includes the first shell and second shell being disposed adjacent;First shell includes the first side wall portion, and first shell forms open end close to one end of second shell;Second shell is equipped with the second side wall portion extended to first shell direction, and second shell lid is closed in open end, and the end face for being located at least partially within open end of the second side wall portion is hereinafter, and positioned at the inside in the first side wall portion;First shell and second shell are fixed together by ultrasonic welding, and the multiple stop parts for limiting second shell position are equipped in the second side wall portion and/or the first side wall portion.

Description

Loudspeaker housing and loud speaker module
Technical field
The present invention relates to electroacoustic switch technology fields, more particularly, to a kind of loudspeaker housing and loud speaker module.
Background technology
Existing loudspeaker housing generally includes upper casing and lower casing.Upper casing and lower casing snap together.In the inside of the two Form accommodation space.For example, the inside for being partially located at lower casing of upper casing, is partly overlapped with being formed.Loudspeaker monomer is arranged on In accommodation space.Upper casing and lower casing are fixed together by ultrasonic welding.In general, it is limited to machining accuracy, upper There can be certain gap between shell and lower casing.Due to the presence in gap, when carrying out the connection of upper casing and lower casing, such as ultrasound When welding, lower casing can shake in upper casing, to cause the bad phenomenons such as lower casing assembly tilts, ultrasonic welding is insecure.
Invention content
It is an object of the present invention to provide a kind of new solutions of loudspeaker housing.
According to the first aspect of the invention, a kind of loudspeaker housing is provided.The shell includes the first shell being disposed adjacent Body and second shell;The first shell includes the first side wall portion, one end shape of the first shell close to the second shell At open end;The second shell is equipped with the second side wall portion extended to the first shell direction, and the second shell lid closes In the open end, the end face for being located at least partially within the open end of the second side wall portion is hereinafter, and positioned at described the The inside of side wall portion;The first shell and the second shell are fixed together by ultrasonic welding, in the second side Wall portion and/or the first side wall portion are equipped with the multiple stop parts for limiting the second shell position.
Optionally, step structure is formed in the inside of the open end of the first shell, the step structure includes step Face and with the step structure be in set angle longitudinal surface, the step surface is ultrasonic face, and the stop part is arranged on institute It states on longitudinal surface and/or the second sidewall is close to the side of the longitudinal surface.
Optionally, the position of step surface described in the second side wall portion face is provided with ultrasound lines.
Optionally, the first side wall portion includes four side walls to link together, the structure of the second shell and institute The structure for stating first shell is corresponding, and the stop part is arranged on the middle part of the orthographic projection of every side wall.
Optionally, the first side wall portion includes four side walls to link together, the structure of the second shell and institute The structure for stating first shell is corresponding, and the stop part is L-shaped, and is arranged at least two phases in the first side wall portion To corner.
Optionally, the stop part is arranged on the inside in the first side wall portion, and the stop part is close to described spacious The position at beginning forms the oblique cutting part along assembly direction, and the oblique cutting part is located at interior on the upside of oblique cutting part with the first side wall portion Surface is in obtuse angle.
Optionally, the stop part is elastic element, and the elastic element can be by the first shell and the second shell Body is squeezed to form the elastic force of setting.
Optionally, the stop part is to be integrally formed at least one of the first shell and the second shell 's.
Optionally, the stop part is mobilizable.
Optionally, the cross sectional shape of the stop part is round, oval, semicircle, rectangle or triangle.
According to another aspect of the present invention, a kind of loud speaker module is provided.The module includes sounding monomer and the present invention The loudspeaker housing provided, the sounding monomer are arranged in the speaker cover body.
In embodiments of the present invention, first shell and second shell are fixed together by ultrasonic welding, in second sidewall Portion and/or the first side wall portion are equipped with the multiple stop parts for limiting second shell position.Stop part is formd to second shell Screens avoids second shell from moving, and will not be adversely affected in this way with being fixedly connected for second shell to first shell, So that being fixedly connected more securely for two shells, avoids first shell and second shell in ultrasonic welding process opposite It shakes.
In addition, being point contact or part between stop part and first shell and between stop part and second shell Face contacts.In this way, first shell and second shell will not influence the screens of stop part locally generation deformation.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its Advantage will become apparent.
Description of the drawings
It is combined in the description and the attached drawing of a part for constitution instruction shows the embodiment of the present invention, and even With its explanation together principle for explaining the present invention.
Fig. 1 is the exploded view of loudspeaker housing according to an embodiment of the invention.
Fig. 2 is the structural schematic diagram of first shell according to an embodiment of the invention.
Fig. 3-5 is the installation diagram of loudspeaker housing according to an embodiment of the invention.
Fig. 6 is the partial enlarged view of loudspeaker housing according to an embodiment of the invention.
Fig. 7 is the exploded view of loud speaker module according to an embodiment of the invention.
Reference sign:
11:First shell;12:Second shell;13:Stop part;14:Oblique cutting part;15:Sounding monomer;16:Open end;17: Step surface;18:Longitudinal surface;19:The first side wall portion;20:The second side wall portion;21:Bottom;22:Gap;23:End face.
Specific implementation mode
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that:Unless in addition having Body illustrates that the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally The range of invention.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to the present invention And its application or any restrictions that use.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable In the case of, the technology, method and apparatus should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
According to one embodiment of present invention, a kind of loudspeaker housing is provided.As shown in figs. 1 and 4, the loudspeaker housing Including first shell 11 and second shell 12.First shell 11 includes the first side wall portion 19.In the first side wall portion 19 close to the Two shells, 12 one end forms open end 16.Such as first shell 12 further includes bottom 21.The first side wall portion 19 is around bottom 21 Edge is arranged, and protrudes from the side of bottom 21.Second shell 12 is provided with the second side extended to 11 direction of first shell Wall portion 20.For example, second shell 12 further includes top.
Optionally, the material of first shell 11 and second shell 12 is metal, plastics etc..Pass through the modes such as injection molding, punching press Form first shell 11.As shown in Figure 1, second shell 12 can be in disk construction, at this point, the side of disk construction is the Two side of sidewall portion 20.It is also possible that as shown in fig. 6, the second side wall portion 20 is arranged around top, and protrudes from the side at top.
As shown in fig. 6, the lid of second shell 12 is closed in open end 16.It is formed in the inside of first shell 11 and second shell 12 Accommodating space.The end face for being located at least partially within open end 16 of the second side wall portion 20 is hereinafter, and positioned at the first side wall portion 19 Inside.It should be noted that the size of open end 16 is more than the overall dimensions of second shell 12, so that the second side wall portion 20 is extremely Few part can be inserted into 19 inside of the first side wall portion along assembly direction, and form overlapping region with the first side wall portion 19.Assembly side To referring to the direction that second shell 12 is inserted into relative to first shell 11 in assembly.Overlapping region is used for 11 He of first shell The connection of second shell 12.
The second side wall portion 20 can be entirely insertable the inside in the first side wall portion 19, can also be to be partially inserted into the first side wall The inside in portion 19.
First shell 11 and second shell 12 make 11 He of first shell by the ultrasonic welding this mode that is fixed together The connection of second shell 12 is more secured.For example, ultrasound lines can be located at first shell 11 medial surface and second shell 12 it is outer Between side.
The multiple backstops for limiting 12 position of second shell are equipped in the second side wall portion 20 and/or the first side wall portion 19 Part 13.Gap 22 is formed between the inside in the first side wall portion 19 and the outside of the second side wall portion 20.Inside refers to close to accommodating The side in space, outside refer to the side far from accommodating space.Stop part 13 has the size of setting, can block in the gap 22. Stop part 13 is configurable for the position of fixed second shell 12.Stop part 13 can prevent second shell 12 relative to first Shell 11 moves.
Optionally, the cross sectional shape of stop part 13 be circle, ellipse, semicircle, rectangle, triangle or other not Regular shape, as long as can block in the gap 22, to fix the position of second shell 12.
In embodiments of the present invention, in the gap 22 between at least part of the second side wall portion 20 and the first side wall portion 19 It is provided with stop part 13.Stop part 13 forms the screens to second shell 12, avoids second shell 12 from moving, so not First shell 11 can be adversely affected with being fixedly connected for second shell 12, so that two shells are fixedly connected more Add securely, avoids first shell and the opposite shaking of second shell in ultrasonic welding process.
In addition, be between stop part 13 and first shell 11 and between stop part 13 and second shell 12 point contact or The face of person part contacts.In this way, first shell 11 and second shell 12 will not influence stop part 13 locally generating deformation Screens.
Preferably, setting is formed between stop part 13 and first shell 11 and between stop part 13 and second shell 12 The extruding force of size.The extruding force can make the position of second shell 12 more secured.
In other examples, first shell 11 and second shell 12 are connected to by bonding, riveting, bolted mode Together.Those skilled in the art can select according to actual needs.
Preferably, stop part 13 and at least one of first shell 11 and second shell 12 are integrally formed.For example, Stop part 13 is the protrusion for protruding from 19 inside of the first side wall portion, can also be the protrusion for protruding from 20 outside of the second side wall portion. Stop part 13 and at least one of second shell 12 and second shell 12 are molded by way of injection molding, this makes The processing for obtaining stop part 13 becomes easy.
Preferably, as shown in fig. 6, forming step structure in the inside of the open end 16 of first shell 11.Step structure packet Include step surface 17 and the longitudinal surface 18 with step structure in set angle.For example, longitudinal surface 18 is vertical with step surface 17.Step surface 17 be ultrasonic face.Ultrasonic face is the surface for ultrasonic welding.Step surface 17 forms the support to second shell 12.
When carrying out ultrasonic welding, link together after the lower face of the second side wall portion 20 and the melting of step surface 17.Backstop Part 13 is arranged on longitudinal surface 18 and/or the second side wall portion 20 is close to the side of longitudinal surface 18.For example, stop part 13 passes through The mode of injection molding or bonding is formed on longitudinal surface 18.
Preferably, as shown in fig. 6, being provided with ultrasound lines in the position of 12 face step surface 17 of the second side wall portion.In this way, super The position of sound ray is very suitable for the operation of ultrasonic welding.
In addition, ultrasonic welding requires the thickness of the corresponding position of the second side wall portion 12 big.This setup, due to vertical Ultrasonic welding need not be carried out to portion 18, therefore the thickness in longitudinal direction portion 18 can do small, the miniaturization for being conducive to loudspeaker housing is set Meter.
In one example, as shown in Figures 2 and 4, the first side wall portion 19 includes four side walls to link together.Second shell The structure of body 12 is corresponding with the structure of first shell 11.Stop part 13 is arranged on the middle part of the orthographic projection of every side wall.Just Projection refers to the projection of first shell 11, second shell 12 in the plane perpendicular to assembly direction.
For example, four side walls surround rectangular frame structure.The entirety of second shell 12 is rectangle structure.It is connecting When, in second shell 12 locally embedding, four side walls, and positioned at the inside of four side walls.First shell 11 and second shell 12 In assembly, the gap 22 of formation is rectangle ring-type.Stop part 13 is located at the middle part of every side wall, can be effectively prevented in this way Second shell 12 is glanced off in assembly.
In other examples, adjacent side wall is not limited to be mutually perpendicular in any angle.
In one example, as shown in figure 3, the first side wall portion 19 includes four side walls to link together.Second shell 12 structure is corresponding with the structure of first shell 11.Four side walls are sequentially connected end to end composition quadrilateral structure.Stop part 13 It is L-shaped, and it is arranged on at least two opposite corners in the first side wall portion 19.In this example embodiment, L-shaped stop part 13 Inside forms backstop to two walls of the second side wall portion 20, can effectively limit the movement of second shell 12 in both directions.Two A L-shaped stop part 13 being oppositely arranged can effectively limit the position of second shell 12.
In other examples, it is both provided with L-shaped stop part 13 in four corners.This mode makes determining for second shell 12 Position is more acurrate.
In one example, stop part 13 is arranged on the inside in the first side wall portion 19.19 institute of inside, that is, the first side wall portion The side of encirclement.Stop part 13 is forming the oblique cutting part 14 along assembly direction close to the position of open end 16.Oblique cutting part 14 and Side wall portion 19 is located at the inner surface on the upside of oblique cutting part in obtuse angle.If oblique cutting part 14 is not arranged, the upper surface meeting of stop part 13 Obstacle is assembled to form to second shell 12.In the case where the fit-up gap 22 of second shell 12 and first shell 11 is smaller, Second shell 12 is not easy to be assembled in first shell 11.
In this example embodiment, in assembly, second shell 12 can be slided along oblique cutting part 14, until reaching rigging position.In this way, The assembly of second shell 12 is very easy.
Optionally, oblique cutting part 14, which forms inclined-plane or arcwall face, both surfaces, can make the smoothly mistake of second shell 12 It crosses to rigging position.
In one example, stop part 13 is elastic element.Elastic element can be squeezed by first shell 11 and second shell 12 Pressure is to form the elastic force of setting.Elastic deformation can occur when being squeezed for elastic element.Optionally, elastic element is bullet Spring, shrapnel, elastic rubber etc..By the way that elastic element is arranged, the requirement of the machining accuracy to first shell 11 is reduced.Even if There are machining deviations, and when being assembled, elastic element can also adapt to the size of different gap 22 by the elastic deformation of itself, To form the positioning to second shell 12.
For example, elastic element is V-arrangement shrapnel.Preferably, V-arrangement shrapnel is mobilizable.When being assembled, by V-arrangement bullet Piece is placed into gap 22.After the completion of waiting for ultrasonic welding, then V-arrangement shrapnel taken out.In this way, stop part 13 can be reused.
Can also be that the end of a line of the open side of V-arrangement shrapnel is connect with the inside in the first side wall portion 19, another While being mobilizable.As shown in figure 5, elastic deformation can occur for two sides of V-arrangement shrapnel and corner.In assembly, second shell Body 12 squeezes the corner of V-arrangement shrapnel.The another a line and the inside in the first side wall portion 19 offset, to be formed to second shell 12 Extruding elastic force, so that the position of second shell 12 is fixed.
It is also possible that the end on two sides of the open side of V-arrangement shrapnel is connect with the inside in the first side wall portion 19.It is filling Timing, second shell 12 squeeze the corner of V-arrangement shrapnel, to make two sides that elastic deformation occur.In this way, V-arrangement shrapnel pair second Shell 12, which is formed, squeezes elastic force, and the position of second shell 12 is made to fix.
Certainly, the structure of elastic element is not limited to the above embodiments, those skilled in the art can according to actual needs into Row setting.
In other examples, the entirety of first shell and second shell is rounded.What first shell and second shell were formed Gap 22 is in circular ring shape.Stop part is multiple, and is evenly distributed in the gap 22 of circular ring shape.
According to another embodiment of the invention, a kind of loud speaker module is provided.The module includes 15 He of sounding monomer Loudspeaker housing provided by the invention.Sounding monomer 15 is arranged in speaker cover body.For example, sounding monomer is moving-coil type list Body or moving-iron type monomer.Stop part 13 can be set to first shell 11, can also be set to second shell 12.The module is imitated with sounding The characteristics of fruit is good, high yield rate.
Although some specific embodiments of the present invention are described in detail by example, the skill of this field Art personnel it should be understood that example above merely to illustrating, the range being not intended to be limiting of the invention.The skill of this field Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above example.This hair Bright range is defined by the following claims.

Claims (11)

1. a kind of loudspeaker housing, which is characterized in that including the first shell and second shell being disposed adjacent;
The first shell includes the first side wall portion, and the first shell forms open end close to one end of the second shell;
The second shell is equipped with the second side wall portion extended to the first shell direction, and the second shell lid is closed described Open end, the end face for being located at least partially within the open end of the second side wall portion is hereinafter, and be located at the first side wall The inside in portion;
The first shell and the second shell are fixed together by ultrasonic welding, in the second side wall portion and/or institute It states the first side wall portion and is equipped with the multiple stop parts for limiting the second shell position.
2. loudspeaker housing according to claim 1, which is characterized in that in the inside shape of the open end of the first shell At step structure, the step structure includes step surface and the longitudinal surface with the step structure in set angle, the step Face is ultrasonic face, and the stop part is arranged on the longitudinal surface and/or the second side wall portion is close to the longitudinal surface Side.
3. loudspeaker housing according to claim 2, which is characterized in that the step surface described in the second side wall portion face Position be provided with ultrasound lines.
4. loudspeaker housing according to claim 1, which is characterized in that the first side wall portion includes linking together Four side walls, the structure of the second shell is corresponding with the structure of the first shell, and the stop part is arranged on every The middle part of the orthographic projection of the side wall.
5. loudspeaker housing according to claim 1, which is characterized in that the first side wall portion includes linking together Four side walls, the structure of the second shell is corresponding with the structure of the first shell, and the stop part is L-shaped, and by It is arranged in at least two opposite corners in the first side wall portion.
6. loudspeaker housing according to claim 1, which is characterized in that the stop part is arranged on the first side wall The inside in portion, the stop part close to the open end position formed along assembly direction oblique cutting part, the oblique cutting part with The first side wall portion is located at the inner surface on the upside of oblique cutting part in obtuse angle.
7. loudspeaker housing according to claim 1, which is characterized in that the stop part is elastic element, the elasticity Element can be squeezed by the first shell and the second shell to form the elastic force of setting.
8. according to the loudspeaker housing described in any one in claim 1-7, which is characterized in that the stop part with it is described At least one of first shell and the second shell are integrally formed.
9. loudspeaker housing according to claim 1, which is characterized in that the stop part is mobilizable.
10. according to the loudspeaker housing described in any one in claim 1-9, which is characterized in that the stop part is cut Face shape is round, oval, semicircle, rectangle or triangle.
11. a kind of loud speaker module, which is characterized in that including sounding monomer and as described in any one in claim 1-10 Loudspeaker housing, the sounding monomer is arranged in the speaker cover body.
CN201810594712.9A 2018-06-11 2018-06-11 Loudspeaker housing and loud speaker module Pending CN108551637A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810594712.9A CN108551637A (en) 2018-06-11 2018-06-11 Loudspeaker housing and loud speaker module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810594712.9A CN108551637A (en) 2018-06-11 2018-06-11 Loudspeaker housing and loud speaker module

Publications (1)

Publication Number Publication Date
CN108551637A true CN108551637A (en) 2018-09-18

Family

ID=63493553

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810594712.9A Pending CN108551637A (en) 2018-06-11 2018-06-11 Loudspeaker housing and loud speaker module

Country Status (1)

Country Link
CN (1) CN108551637A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100737730B1 (en) * 2006-04-21 2007-07-10 주식회사 비에스이 Packaging structure of mems microphone
CN202799033U (en) * 2012-08-25 2013-03-13 歌尔声学股份有限公司 Speaker module
CN203574856U (en) * 2013-11-14 2014-04-30 歌尔声学股份有限公司 Loudspeaker
CN104105038A (en) * 2014-07-17 2014-10-15 歌尔声学股份有限公司 Loudspeaker module and assembling method of loudspeaker module
CN207166700U (en) * 2017-07-27 2018-03-30 中山市格美通用电子有限公司 A kind of ear-hang modular construction
CN107948884A (en) * 2017-11-22 2018-04-20 瑞声科技(新加坡)有限公司 Loudspeaker module

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100737730B1 (en) * 2006-04-21 2007-07-10 주식회사 비에스이 Packaging structure of mems microphone
CN202799033U (en) * 2012-08-25 2013-03-13 歌尔声学股份有限公司 Speaker module
CN203574856U (en) * 2013-11-14 2014-04-30 歌尔声学股份有限公司 Loudspeaker
CN104105038A (en) * 2014-07-17 2014-10-15 歌尔声学股份有限公司 Loudspeaker module and assembling method of loudspeaker module
CN207166700U (en) * 2017-07-27 2018-03-30 中山市格美通用电子有限公司 A kind of ear-hang modular construction
CN107948884A (en) * 2017-11-22 2018-04-20 瑞声科技(新加坡)有限公司 Loudspeaker module

Similar Documents

Publication Publication Date Title
EP2148524B1 (en) Electroacoustic transducer
US9648404B2 (en) Speaker module and assembling method of the speaker module
CN201708914U (en) Miniature moving-coil type electroacoustic transducer
CN105491489B (en) Multi-function device with vibrating function and vocal function
US20190373371A1 (en) Diaphragm for Producing sound and Speaker Using Same
US20200154210A1 (en) Electroacoustic Sound Generator
US20190373372A1 (en) Diaphragm for Producing sound and Speaker Using Same
US10659882B2 (en) Diaphragm for producing sound and speaker using same
US10939208B2 (en) Diaphragm for producing sound and speaker using same
CN104618822A (en) Electroacoustic device sealing structure of electronic device
CN208462041U (en) Sounding device and electronic equipment
CN106060723B (en) Loudspeaker diaphragm and forming method thereof
EP2811759A1 (en) Slim width microspeaker
CN108551637A (en) Loudspeaker housing and loud speaker module
US10779087B2 (en) Vibration diaphragm
CN207124741U (en) A kind of sound-producing device
US10244326B2 (en) Miniature sounder
US9807512B2 (en) Speaker
CN105721994A (en) Mini loudspeaker
CN209823996U (en) Double-diaphragm loudspeaker and terminal
JP6253101B2 (en) Electrodynamic electroacoustic transducer, diaphragm thereof, and method for producing electrodynamic electroacoustic transducer
CN208675534U (en) Sounding device and electronic equipment
US20180367915A1 (en) Vibration Membrane
CN206923019U (en) Vibrating diaphragm, microphone device and electronic equipment
CN206923020U (en) Vibrating diaphragm, microphone device and electronic equipment

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20180918