CN109246557A - A kind of loudspeaker - Google Patents
A kind of loudspeaker Download PDFInfo
- Publication number
- CN109246557A CN109246557A CN201811409035.5A CN201811409035A CN109246557A CN 109246557 A CN109246557 A CN 109246557A CN 201811409035 A CN201811409035 A CN 201811409035A CN 109246557 A CN109246557 A CN 109246557A
- Authority
- CN
- China
- Prior art keywords
- fixed station
- circuit board
- flexible circuit
- fixed
- fixing piece
- 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
- 230000004308 accommodation Effects 0.000 claims abstract description 13
- 238000005452 bending Methods 0.000 claims description 26
- 239000000178 monomer Substances 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a kind of loudspeaker, which includes the shell for being formed with accommodating chamber, and the vibrational system and magnetic circuit system that are housed in the accommodating chamber.The vibrational system includes vibrating diaphragm and fixed voice coil in conjunction with the vibrating diaphragm, the voice coil is connected with flexible circuit board, the flexible circuit board includes the extension extended to outside shell, it include for the fixing piece that the outer surface of the flexible circuit board extension and housing sidewall is fixed on the outer surface of the housing sidewall, the fixing piece includes the receiving portion of the both side surface above and below the fixing piece, the flexible circuit board extension passes through described accommodation section, and the end of extension in the fixing piece by being pierced by.Loudspeaker provided by the invention combines flexible circuit board more closely with speaker housings, avoids the tilting of flexible circuit board, and flexible circuit board is effectively fixed, it is made to remain target morphology, while also making attaching/detaching work more convenient.
Description
Technical field
The present invention relates to electro-acoustic product technical fields, more particularly it relates to a kind of loudspeaker.
Background technique
With being widely used for the electronic products such as the fast development of science and technology and mobile phone, PAD, computer, people are also gradually right
Audio frequency apparatus provisioned in electronic equipment has increasingly higher demands.Electric appliance group of the loudspeaker as electronic equipment for consumption
Part is a kind of very important acoustic element for completing the conversion of electric signal and sound.Its Structural Design Requirement constantly mentions
It is high.Those skilled in the art are when designing loudspeaker, in order to reduce loudspeaker the space occupied and improve the sound of loudspeaker
Performance is learned, being electrically connected for inside loudspeakers circuit and external circuit is now usually realized by flexible circuit board.For with soft
Property circuit board loudspeaker, flexible circuit board covibration due to caused by sound vibrations is to influence speaker performance and audition
A key factor.
In the prior art, flexible circuit board is mainly fixed by way of with the bonding of speaker housings colloid, this
Although fixed form can inhibit the vibration of flexible circuit board to a certain extent, there is also apparent defect, with
The passage of time, the colloid between flexible circuit board and speaker housings are easy to happen cracking, so that flexible circuit board and loudspeaking
Device shell adhesion failure can not carry out flexible circuit board effectively fixed.
Therefore, in order to overcome the shortcomings of the prior art, needing to provide a kind of novel loudspeaker.
Summary of the invention
The purpose of the present invention is to provide a kind of loudspeakers, combine flexible circuit board more closely with speaker housings,
The tilting for avoiding flexible circuit board, flexible circuit board is effectively fixed, so that it is remained target morphology, and reduce installment work
Amount, keeps installment work more convenient.
In order to achieve the above objectives, the present invention provides a kind of loudspeaker, which includes the shell for being formed with accommodating chamber, and
The vibrational system and magnetic circuit system being housed in the accommodating chamber；The vibrational system include vibrating diaphragm and with the vibrating diaphragm knot
Close fixed voice coil；The voice coil is connected with flexible circuit board, which includes the extension extended to outside shell；
It include for fixing the outer surface of the flexible circuit board extension and housing sidewall on the outer surface of the housing sidewall
Fixing piece, the fixing piece includes the receiving portion of the both side surface above and below the fixing piece, and the flexible circuit board prolongs
Extending portion passes through described accommodation section, and the end of extension in the fixing piece by being pierced by.
Further, it is preferable to which scheme is, the fixing piece, which includes at least, to be had positioned at flexible circuit board extension two sides in phase
To the first fixed station and the second fixed station of setting；
The first fixing groove and the second fixing groove are offered respectively on first fixed station and the second fixed station；
The loudspeaker further includes having plate, and the plate is located at the outside of the flexible circuit board extension, and described
The both ends of plate are inserted into first fixing groove respectively and are fixed in the second fixing groove；First fixed station, second are consolidated
Determine to form described accommodation section between platform, housing sidewall and plate.
Further, it is preferable to which scheme is, the fixing piece, which includes at least, to be had positioned at flexible circuit board extension two sides in phase
To the first fixed station and the second fixed station of setting；First fixed station includes to be extended by the outer surface of housing sidewall
First fixed part and the first bending part being bent to form from the end of the first fixed part to the second fixed station direction；
Second fixed station includes the second fixed part extended by the outer surface of housing sidewall and is consolidated by second
Determine the second bending part that the end in portion is bent to form to the first fixed station direction；
Institute is formed between first fixed station, the second fixed station, the first bending part, the second bending part and housing sidewall
State receiving portion.
Further, it is preferable to which scheme is, the distance between first bending part end and second bending part end are small
In the width of the flexible circuit board extension.
Further, it is preferable to which scheme is, first bending part and the second bending part link into an integrated entity to form connection wall；
Described accommodation section is formed between the housing sidewall, the first fixed station, the second fixed station and connection wall.
Further, it is preferable to which scheme is, first fixing groove runs through the top surface of first fixed station, and described second is fixed
Slot runs through the top surface of second fixed station.
Further, it is preferable to which scheme is, the shell includes at least to be fixed together surrounds the accommodating chamber jointly
Upper casing and lower casing；
The fixing piece is formed on the outer surface of the upper case side wall, or is formed in the outer surface of the lower case side wall
On.
Further, it is preferable to which scheme is, the shell includes at least to be fixed together surrounds the accommodating chamber jointly
Upper casing and lower casing；First fixed station and the second fixed station are formed on the outer surface of the upper case side wall, and described
The top surface of one fixed station and the top surface of the second fixed station are flushed with the top surface of the upper casing.
Further, it is preferable to which scheme is, the fixing piece is shaped on the shell by way of injection molding.
Further, it is preferable to which scheme is, the shell is loudspeaker monomer shell or is loudspeaker module shell.
Beneficial effects of the present invention are as follows:
1, loudspeaker provided by the present invention is provided in the housing sidewall for by the flexible circuit board extension
Fixed fixing piece, can be such that flexible circuit board is more closely combined with the outer surface of housing sidewall with the outer surface of housing sidewall,
The tilting for avoiding flexible circuit board, flexible circuit board is effectively fixed, so that it is remained target morphology, and reduce installment work
Amount, keeps installment work more convenient.
2, loudspeaker provided by the present invention includes fixing piece, is convenient for needing when flexible circuit board using the fixing piece
When replacement or deviation target morphology, flexible circuit board easy to disassemble or the form for adjusting flexible circuit board.
3, the fixing piece of loudspeaker provided by the present invention includes the connection wall on the outside of plate.Connection wall can prevent
Plate falls off or loosens under the action of extraneous frictional force, influences the fixation to flexible circuit board.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 shows the present invention and provides the structure top view of loudspeaker.
Fig. 2 shows the enlarged drawings in the portion A of Fig. 1.
Fig. 3 shows the present invention and provides the structural front view of loudspeaker.
Fig. 4 shows the present invention and provides flexible circuit board extension and the first fixed station and the second fixed station in loudspeaker
Fit structure schematic diagram.
Description of symbols: 1, shell；11, upper casing；12, lower casing；2, flexible circuit board extension；3, fixing piece；31,
One fixed station；32, the second fixed station；311, the first fixing groove；321, the second fixing groove；4, receiving portion；5, plate.
Specific embodiment
In following description given, for purposes of illustration, in order to provide comprehensive reason to one or more embodiment
Solution, numerous specific details are set forth.It may be evident, however, that these realities can also be realized without these specific details
Apply mode.
In order to illustrate more clearly of the present invention, the present invention is done further below with reference to preferred embodiments and drawings
It is bright.Similar component is indicated in attached drawing with identical appended drawing reference.It will be appreciated by those skilled in the art that institute is specific below
The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
It is mainly fixed by way of with the bonding of speaker housings colloid in view of flexible circuit board in currently available technology,
Although this fixed form can inhibit the vibration of flexible circuit board to a certain extent, there is also apparent defects:
Over time, the colloid between flexible circuit board and speaker housings is easy to happen cracking so that flexible circuit board with
Speaker housings adhesion failure can not carry out flexible circuit board effectively fixed.The present invention provides a kind of loudspeaker, makes flexible electrical
Road plate is more closely combined with speaker housings, avoids the tilting of flexible circuit board, and flexible circuit board is effectively fixed, makes its beginning
Target morphology is kept eventually, and reduces installation workload, keeps installment work more convenient.
Specifically, it is described in detail in conjunction with attached drawing, Fig. 1 shows the present invention and provides the structure top view of loudspeaker；Fig. 2 shows
The enlarged drawing in the portion A of Fig. 1 out；Fig. 3 shows the present invention and provides the structural front view of loudspeaker；Fig. 4 shows the present invention and provides loudspeaking
The stereoscopic schematic diagram of device.
In a kind of preferred embodiment in the present invention, the loudspeaker includes the shell for being formed with accommodating chamber, and
The vibrational system and magnetic circuit system being housed in the accommodating chamber；The vibrational system include vibrating diaphragm and with the vibrating diaphragm knot
Close fixed voice coil；The voice coil is connected with flexible circuit board, which includes the extension extended to outside shell；
It include for fixing the outer surface of the flexible circuit board extension and housing sidewall on the outer surface of the housing sidewall
Fixing piece, the fixing piece includes the receiving portion of the both side surface above and below the fixing piece, and the flexible circuit board prolongs
Extending portion passes through described accommodation section, and the end of extension in the fixing piece by being pierced by.Further, this loudspeaker can be loudspeaking
Device monomer, or integrated loudspeaker mould group, the present invention is without limitation, is below this by taking loudspeaker mould group as an example
The loudspeaker of invention is explained in detail.
In conjunction with Fig. 1 to Fig. 4 jointly shown in, a kind of loudspeaker mould group, which includes the shell for being formed with accommodating chamber
Body 1, and the vibrational system and magnetic circuit system that are housed in the accommodating chamber, in this embodiment, shell 1 may include knot
Conjunction is fixed together surrounds the upper casing 11 and lower casing 12 of the accommodating chamber jointly.The vibrational system include vibrating diaphragm and with
The vibrating diaphragm combines fixed voice coil, and the voice coil is connected with flexible circuit board, passes through flexible circuit board realization and external circuit
Connection.The flexible circuit board includes the extension 2 extended to outside shell.Include on the outer surface of 1 side wall of shell
For the fixing piece 3 that the flexible circuit board extension 2 is fixed with the outer surface of 1 side wall of shell, the fixing piece 3 includes
The receiving portion 4 of both side surface above and below the fixing piece, the flexible circuit board extension 2 pass through described accommodation section 4, extend
The end in portion 2 in the fixing piece 3 by being pierced by.The frame mode that this preferred embodiment provides makes flexible circuit board and loudspeaking
Device shell 1 more closely combines, and avoids the tilting of flexible circuit board, and flexible circuit board is effectively fixed, it is made to remain mesh
Mark form, meanwhile, flexible circuit board extension described in present embodiment 2 passes through described accommodation section 4, the end of extension 2 by
Be pierced by the fixing piece 3, compared with the prior art for, reduce it is a large amount of apply glue sticking work, reduce installation workload,
Keep installment work more convenient；Further, to accelerate production efficiency, Assembly part is reduced, the fixing piece 3 is to pass through injection molding
Mode be shaped on the shell 1 of the loudspeaker.
On the basis of the above embodiment, scheme preferably is that the fixing piece 3, which includes at least, to be had positioned at flexible electrical
2 two sides of road plate extension in the first fixed station 31 and the second fixed station 32 being oppositely arranged, first fixed station 31 and
The first fixing groove 311 and the second fixing groove 321 are offered on two fixed stations 32 respectively；；The loudspeaker further includes having plate 5,
The plate 5 is located at the outside of the flexible circuit board extension 2, and the both ends of the plate 5 are inserted into described first respectively
It is fixed in fixing groove 311 and in the second fixing groove 321；First fixed station 31, the second fixed station 32,1 side wall of shell and
Described accommodation section 4 is formed between plate 5.It is provided with plate 5 in the loudspeaker that this preferred embodiment provides, it can be into one
While walking fixed flexible circuit board, it is also convenient for when flexible circuit board needs replacing or deviates target morphology, it is easy to disassemble soft
Property circuit board or adjust flexible circuit board form.
In addition, in some preferred embodiments, first fixing groove 311 runs through the top of first fixed station 31
Face, second fixing groove 321 run through the top surface of second fixed station 32, it is generally the case that first fixing groove 311,
Second fixing groove 321 is not through the first fixed station 311,321 bottom surface of the second fixed station, because when plate 5 is inserted into described first
When being fixed in fixing groove 311, the second fixing groove 321, easily causes plate 5 and fall off.But it should be understood by those skilled in the art that
, when between plate 5 and first fixing groove 311, the second fixing groove 321 there are when elastic conjunction, in order to can be more
Convenient installation and removal plate 5, the first fixing groove 311, the second fixing groove 321, which also can be set, to be become through the first fixed station
31, the form of 32 bottom surface of the second fixed station.The present invention only provides a kind of optimal skill suitable for existing loudspeaker modular structure
Art scheme, but be not intended to limit.
In order to realize that the flexible circuit board is effectively fixed, it is set to remain target morphology, the present invention also provides in addition
A kind of preferred embodiment, i.e., the described fixing piece are in be oppositely arranged including at least having positioned at flexible circuit board extension two sides
The first fixed station and the second fixed station；First fixed station includes first to be consolidated by the outer surface of housing sidewall is extended
The first bending part determining portion and being bent to form from the end of the first fixed part to the second fixed station direction；Second fixed station
It include the second fixed part extended from the outer surface of housing sidewall and from the end of the second fixed part to the first fixed station
The second bending part that direction is bent to form；First fixed station, the second fixed station, the first bending part, the second bending part and
Described accommodation section is formed between housing sidewall.Further preferably, first bending part is little at a distance from housing sidewall
In the thickness of the flexible circuit board, second bending part is not more than the thickness of the flexible circuit board at a distance from housing sidewall
Degree, further, to ensure that flexible circuit board and side wall of outer shell are preferably fixed, first bending part end and described second
The distance between bending part end is not more than the width of the flexible circuit board extension.
To achieve the object of the present invention, the present invention also provides another preferred embodiment, i.e., described first bendings
Portion and the second bending part link into an integrated entity to form connection wall；The housing sidewall, the first fixed station, the second fixed station and connection wall
Between form described accommodation section.This structure can be effectively prevented plate and cause to loosen under the action of extraneous frictional force or take off
It falls, influences the fixation to flexible circuit board.
It should be noted that the fixing piece is formed on the outer surface of the upper case side wall, or be formed in it is described under
On the outer surface of shell side wall, the invention is not limited in this regard.First fixed station 31 and the second fixed station as shown in Figure 3,32 shape
On the outer surface of 11 side wall of upper casing described in Cheng Yu, and the top surface of first fixed station 31 and the top surface of the second fixed station 32 with
The top surface of the upper casing 11 flushes.Purpose be to ensure that flexible circuit board extension 2 be directly entered first fixed station 31 with
In the receiving portion 4 formed between second fixed station 32, further from the fixed flexible circuit board extension 2 of left and right directions, reduce soft
Property the hanging length of circuit board extension 2, avoid flexible circuit board extension 2 from occurring route in use unstable, hold
The problem of easily getting lines crossed, to can not effectively be fixed to flexible circuit board, while this frame mode keeps speaker bottom
Smooth beauty, be easily assembled.
Above embodiment is elaborating of carrying out by taking loudspeaker mould group as an example, described to raise when for loudspeaker monomer
Sound device monomer includes vibrational system and magnetic circuit system, and part loudspeaker monomer can be in conjunction with shell to protect vibrational system.The vibration
Dynamic system includes that vibrating diaphragm and fixed voice coil in conjunction with the vibrating diaphragm, the voice coil are connected with flexible circuit board, the flexibility
Circuit board includes the extension extended to outside shell.It include for by the flexible electrical on the outer surface of the housing sidewall
The fixed fixing piece in the outer surface of road plate extension and housing sidewall.Fixation of its fixing piece to flexible circuit board and housing sidewall
Effect with it is essentially identical in above embodiment, therefore details are not described herein.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art
To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is all to belong to this hair
The obvious changes or variations that bright technical solution is extended out are still in the scope of protection of the present invention.
Claims (10)
1. a kind of loudspeaker, comprising:
It is formed with the shell of accommodating chamber, and the vibrational system and magnetic circuit system that are housed in the accommodating chamber；The vibrational system
It include vibrating diaphragm and fixed voice coil in conjunction with the vibrating diaphragm；
The voice coil is connected with flexible circuit board, which includes the extension extended to outside shell；Its feature exists
In,
It include for by the outer surface of the flexible circuit board extension and housing sidewall on the outer surface of the housing sidewall
Fixed fixing piece, the fixing piece include the receiving portion of the both side surface above and below the fixing piece, the flexible circuit
Plate extension passes through described accommodation section, and the end of extension in the fixing piece by being pierced by.
2. loudspeaker according to claim 1, which is characterized in that the fixing piece, which includes at least, to be had positioned at flexible circuit board
Extension two sides in the first fixed station and the second fixed station being oppositely arranged；
The first fixing groove and the second fixing groove are offered respectively on first fixed station and the second fixed station；
The loudspeaker further includes having plate, and the plate is located at the outside of the flexible circuit board extension, and the plate
Both ends be inserted into first fixing groove respectively and the second fixing groove in it is fixed；First fixed station, the second fixed station,
Described accommodation section is formed between housing sidewall and plate.
3. loudspeaker according to claim 1, which is characterized in that the fixing piece, which includes at least, to be had positioned at flexible circuit board
Extension two sides in the first fixed station and the second fixed station being oppositely arranged；First fixed station includes by housing sidewall
Outer surface the first fixed part extended and be bent to form from the end of the first fixed part to the second fixed station direction
One bending part；
Second fixed station includes the second fixed part extended by the outer surface of housing sidewall and by the second fixed part
The second bending part for being bent to form to the first fixed station direction of end；
The appearance is formed between first fixed station, the second fixed station, the first bending part, the second bending part and housing sidewall
Receive portion.
4. loudspeaker according to claim 3, which is characterized in that first bending part end and second bending part
The distance between end is less than the width of the flexible circuit board extension.
5. loudspeaker according to claim 3, which is characterized in that first bending part and the second bending part connect into one
Body forms connection wall；
Described accommodation section is formed between the housing sidewall, the first fixed station, the second fixed station and connection wall.
6. loudspeaker according to claim 2, which is characterized in that first fixing groove is through first fixed station
Top surface, second fixing groove run through the top surface of second fixed station.
7. loudspeaker according to claim 1, which is characterized in that the shell, which includes at least, to be fixed together jointly
Surround the upper casing and lower casing of the accommodating chamber；
The fixing piece is formed on the outer surface of the upper case side wall, or is formed on the outer surface of the lower case side wall.
8. loudspeaker according to claim 1, which is characterized in that the shell, which includes at least, to be fixed together jointly
Surround the upper casing and lower casing of the accommodating chamber；First fixed station and the second fixed station are formed in the outer of the upper case side wall
On surface, and the top surface of first fixed station and the top surface of the second fixed station are flushed with the top surface of the upper casing.
9. loudspeaker according to claim 1, which is characterized in that the fixing piece is shaped in by way of injection molding
On the shell.
10. the loudspeaker according to claim 1, which is characterized in that the shell is loudspeaker monomer shell or is loudspeaking
Device module shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811409035.5A CN109246557B (en) | 2018-11-23 | 2018-11-23 | Loudspeaker |
| PCT/CN2019/108996 WO2020103577A1 (en) | 2018-11-23 | 2019-09-29 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811409035.5A CN109246557B (en) | 2018-11-23 | 2018-11-23 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109246557A true CN109246557A (en) | 2019-01-18 |
| CN109246557B CN109246557B (en) | 2020-06-02 |
Family
ID=65076472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811409035.5A Active CN109246557B (en) | 2018-11-23 | 2018-11-23 | Loudspeaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109246557B (en) |
| WO (1) | WO2020103577A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020103577A1 (en) * | 2018-11-23 | 2020-05-28 | 歌尔股份有限公司 | Loudspeaker |
| WO2021000077A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Speaker box |
| WO2021232485A1 (en) * | 2020-05-21 | 2021-11-25 | 瑞声声学科技(深圳)有限公司 | Loudspeaker module |
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- 2019-09-29 WO PCT/CN2019/108996 patent/WO2020103577A1/en active Application Filing
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| CN205378165U (en) * | 2016-01-04 | 2016-07-06 | 瑞声精密电子沭阳有限公司 | Loudspeaker box |
| CN205491130U (en) * | 2016-01-28 | 2016-08-17 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
| CN205864733U (en) * | 2016-06-15 | 2017-01-04 | 瑞声声学科技(常州)有限公司 | Mini-sound device |
| CN205961438U (en) * | 2016-07-20 | 2017-02-15 | 瑞声科技(新加坡)有限公司 | Micro sound production device |
| CN206314051U (en) * | 2016-10-21 | 2017-07-07 | 上海与德信息技术有限公司 | Mobile terminal |
| CN106658309A (en) * | 2016-11-23 | 2017-05-10 | 歌尔股份有限公司 | Vibration sounding apparatus |
| CN206433153U (en) * | 2017-01-12 | 2017-08-22 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| US20180302724A1 (en) * | 2017-04-13 | 2018-10-18 | AAC Technologies Pte. Ltd. | Miniature speaker |
| CN207124754U (en) * | 2017-07-31 | 2018-03-20 | 歌尔科技有限公司 | Sound-producing device module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020103577A1 (en) * | 2018-11-23 | 2020-05-28 | 歌尔股份有限公司 | Loudspeaker |
| WO2021000077A1 (en) * | 2019-06-29 | 2021-01-07 | 瑞声声学科技(深圳)有限公司 | Speaker box |
| WO2021232485A1 (en) * | 2020-05-21 | 2021-11-25 | 瑞声声学科技(深圳)有限公司 | Loudspeaker module |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109246557B (en) | 2020-06-02 |
| WO2020103577A1 (en) | 2020-05-28 |
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