CN110351639A - A kind of loudspeaker - Google Patents
A kind of loudspeaker Download PDFInfo
- Publication number
- CN110351639A CN110351639A CN201910560541.2A CN201910560541A CN110351639A CN 110351639 A CN110351639 A CN 110351639A CN 201910560541 A CN201910560541 A CN 201910560541A CN 110351639 A CN110351639 A CN 110351639A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- fixed
- sound film
- far
- frame
- 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.)
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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
- H04R9/025—Magnetic circuit
-
- 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
Abstract
The present invention relates to electroacoustic transduction technical fields, provide a kind of loudspeaker, frame with accommodating space, and it is contained in vibrational system and magnetic circuit system in accommodating space, vibrational system includes the upper sound film for being fixed on frame, upper sound film is set close to the voice coil of magnetic circuit system side, and it is fixed on centring disk of the voice coil far from upper sound film side, centring disk is fixed on frame far from one end of voice coil, vibrational system further includes supporting element, supporting element includes the main part being bonded with voice coil, and the bending part that side of the main body far from upper sound film extends towards separate voice coil direction bending, centring disk includes that fixed fixed part is bonded far from the side of upper sound film with voice coil, bending part, which is at least partly bonded, is fixed on fixed part.Solve the problems, such as that speaker vibration system waves in the prior art with the technical program, to improve the acoustical behavior of loudspeaker.
Description
[technical field]
The present invention relates to electroacoustic transduction technical field more particularly to a kind of loudspeakers.
[background technique]
Loudspeaker is a kind of energy transducer for electric signal being changed into acoustical signal, be widely used in mobile phone, laptop,
The convenience electronic equipment such as MP3/MP4, with the fast development of these convenience electronic equipments, Functional Requirement of the people to it
It is higher and higher, the loudspeaker on mobile phone is especially applied, applying the loudspeaker on these electronic equipments also needs to send out accordingly
Exhibition.
Loudspeaker in presently relevant technology includes frame, the vibrational system and magnetic circuit system for being contained in frame, vibration system
System generally comprises vibrating diaphragm and drives the voice coil of diaphragm oscillations, but loudspeaker biggish for Oscillation Amplitude, usually has vibration
The problem of system is waved is waved as voice coil is easy to happen during forced vibration, to influence the stabilization of vibrational system movement
Property, and then influence sound quality.
Therefore, it is necessary to provide a kind of novel loudspeaker.
[summary of the invention]
The purpose of the present invention is to provide a kind of loudspeakers, it is intended to solve the problems, such as that vibrational system is waved in the prior art,
To improve the acoustical behavior of loudspeaker.
Technical scheme is as follows:
A kind of loudspeaker, comprising: the vibrational system that there is the frame of accommodating space and be contained in the accommodating space
And magnetic circuit system, the vibrational system include the upper sound film for being fixed on the frame, are arranged in the upper sound film close to the magnetic
The voice coil of road system side and it is fixed on centring disk of the voice coil far from the upper sound film side, the centring disk
The frame is fixed in one end far from the voice coil, and the vibrational system further includes supporting element, and the supporting element includes and institute
It states the main part of voice coil fitting and the side from the main part far from the upper sound film is bent towards far from the voice coil direction
The bending part of extension, the centring disk include that fixed fixed part is bonded far from the side of the upper sound film with the voice coil,
The bending part, which is at least partly bonded, is fixed on the fixed part.
Further, the main part is sticked in the voice coil close to the side of the frame, and the bending part setting exists
Between the voice coil and the frame.
Further, the supporting element further includes the support portion being folded between the voice coil and the upper sound film, described
Support portion one end is connect with the main part, the other end is fixed with the upper sound film.
Further, in a ring, outer diameter of the support portion close to described upper sound film one end is less than described the support portion
Outer diameter of the support portion close to described main part one end.
Further, the centring disk includes lower sound film and the electricity that is folded between the lower sound film and the frame
Road plate；The circuit board include the first fixed arm for being fixed on the frame, second fixed arm fixed with the bending part, with
And the elasticity arm of connection first fixed arm and second fixed arm；The lower sound film includes and first fixed arm pair
The first mounting portion for answering, the second mounting portion connecting with the voice coil and it is connected to first mounting portion and second peace
Ring portion between dress portion, the ring portion are towards the curved arc in direction far from the circuit board, second fixed arm
And second mounting portion forms the fixed part.
Further, the bending part is fixed close to the side of the main part with second mounting portion, the bending
Side of the portion far from the main part is fixed with second fixed arm.
Further, the voice coil has voice coil leads, and second fixed arm is formed with pad, and the bending part is corresponding
The pad offers through-hole, and the pad is placed on the bending part through the through-hole, and the voice coil leads are through the through-hole
It is electrically connected with the pad.
Further, the main part corresponds to the voice coil leads and offers relief hole, allows described in the voice coil leads warp
Position hole is stretched out.
Further, for the voice coil tool there are two the voice coil leads, the voice coil is arranged in two voice coil leads
Ipsilateral, the voice coil leads correspond respectively with the relief hole and the pad, and two relief holes are spaced apart from each other setting.
Further, the voice coil is in racetrack, and the centring disk is formed in the short axle two sides of the voice coil, the magnetic
Road system include the magnetic yoke being fixed on the frame far from the upper sound film side and the main magnet steel for being fixed on the magnetic yoke with
Secondary magnet steel, the pair magnet steel are located at the two sides of long axis direction of the main magnet steel along the voice coil and set with the main magnet steel interval
It sets to form magnetic gap, the voice coil is inserted in the magnetic gap.
The beneficial effects of the present invention are: loudspeakers by the frame with accommodating space, the vibration that is contained in accommodating space
Dynamic system and magnetic circuit system are constituted, and vibrational system includes the upper sound film for being fixed on frame, is arranged in upper sound film close to magnetic circuit system
The voice coil of side and it is fixed on centring disk of the voice coil far from upper sound film side, centring disk is fixed far from one end of voice coil
In frame；Vibrational system further includes supporting element, and supporting element includes integrally formed main part and bending part, and main part is bonded voice coil
It is arranged to limit the lateral oscillation of voice coil, side of the bending part main body far from upper sound film extends towards far from the bending of voice coil direction
It is formed, and centring disk includes that fixed fixed part is bonded far from the side of upper sound film with voice coil, and bending part and fixed part are pasted
It closes, or at least partly bending part is bonded with fixed part, to limit the longitudinal oscillation of voice coil to varying degrees；The technical program
By main part and bending part voice coil and centring disk are stablized into one, effective solution in the prior art wave by vibrational system
The problem of, to improve the acoustical behavior of loudspeaker.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of loudspeaker in the embodiment of the present invention one；
Fig. 2 is a kind of decomposition texture schematic diagram of loudspeaker in the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of supporting element in the embodiment of the present invention one；
Fig. 4 is the structural schematic diagram of centring disk in the embodiment of the present invention one；
Fig. 5 is the top view of Fig. 1；
Fig. 6 is the cross-sectional view in the direction A-A in Fig. 5；
Fig. 7 is the enlarged drawing in Fig. 6 at B.
[specific embodiment]
The invention will be further described with embodiment with reference to the accompanying drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention；Term " first ", " second ", " third "
It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance；In addition, unless otherwise specific regulation and limit
Fixed, term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Embodiment:
Referring to figures 1-3, a kind of loudspeaker, comprising: there is the frame 10 of accommodating space and be contained in accommodating space
Vibrational system 20 and magnetic circuit system 30, vibrational system 20 include be fixed on frame 10 upper sound film 21, be arranged in upper sound film 21
Close to 30 side of magnetic circuit system voice coil 22 and be fixed on centring disk 23 of the voice coil 22 far from upper 21 side of sound film, feel relieved
Branch piece 23 is fixed on frame 10 far from one end of voice coil 22, and vibrational system 20 further includes supporting element 24, and supporting element 24 includes and sound
The side of main part 241 and main body 241 far from upper sound film 21 of 22 fitting of circle extends towards far from the bending of 22 direction of voice coil
Bending part 242, centring disk 23 includes that fixed fixed part 23a, bending are bonded far from the side of upper sound film 21 with voice coil 22
Portion 242, which is at least partly bonded, is fixed on fixed part 23a.
Loudspeaker provided by the invention, vibrational system 20 further include supporting element 24, and supporting element 24 includes integrally formed master
Body portion 241 and bending part 242, main part 241 are bonded the setting of voice coil 22 to limit the lateral oscillation of voice coil 22, and bending part 242 is certainly
Side of the main part 241 far from upper sound film 21 is extended to form towards far from the bending of 22 direction of voice coil, and centring disk 23 includes and sound
The fixed fixed part 23a of side fitting of the circle 22 far from upper sound film 21, bending part 242 is at least partly bonded with fixed part 23a,
To limit the longitudinal oscillation of voice coil 22 to varying degrees；The technical program passes through main part 241 and bending part 242 for voice coil
22 stablize one with centring disk 23, effective solution the problem of vibrational system 20 is waved in the prior art, to improve loudspeaking
The acoustical behavior of device.
Preferably, referring to Fig. 6, main part 241 is sticked in voice coil 22 close to the side of frame 10, and the setting of bending part 242 exists
Between voice coil 22 and frame 10, cost can be reduced, while solving 20 vibration problems of vibrational system, reduces loudspeaker itself
Weight.
Further, as shown in Fig. 3, Fig. 5-Fig. 7, supporting element 24 further includes being folded between voice coil 22 and upper sound film 21
Support portion 243,243 one end of support portion is connect with main part 241, the other end and upper sound film 21 are fixed.By upper sound film 21 with
Support portion 243 is set between voice coil 22 and increases the space of loudspeaker ante-chamber and back cavity simultaneously, ante-chamber is sound reflection area, there is expansion
The effect of loud noise, rear cavity space increase have the effect to enhancing intensity of sound.Preferably, support portion 243 in a ring, closed-loop
The support portion 243 of form is conducive to keep the relative stability between voice coil 22 and upper sound film 21；Support portion 243 is close to upper sound film
The outer diameter of 21 one end is less than support portion 243 close to the outer diameter of 241 one end of main part, and 243 field of load of support portion is made to narrow down to sound
On circle 22, voice coil 22 can be held, further solves the problems, such as that vibrational system 20 waves and influences loudspeaker acoustical behavior.
Referring to fig. 2, Fig. 4 and Fig. 6, centring disk 23 include lower sound film 231 and be folded in lower sound film 231 and frame 10 it
Between circuit board 232；Circuit board 232 includes the first fixed arm 2321 for being fixed on frame 10, fixed with bending part 242 second
Fixed arm 2322 and the elasticity arm 2323 for connecting the first fixed arm 2321 and the second fixed arm 2322；Lower sound film 231 include with
Corresponding first mounting portion 2311 of first fixed arm 2321, the second mounting portion 2312 connecting with voice coil 22 and it is connected to first
Ring portion 2313 between mounting portion 2311 and the second mounting portion 2312, ring portion 2313 are towards the direction far from circuit board 232
Curved arc, the second fixed arm 2322 and the second mounting portion 2312 form fixed part 23a.
Further, as shown in fig. 7, bending part 242 is fixed close to the side of main part 241 and the second mounting portion 2312,
Side of the bending part 242 far from main part 241 and the second fixed arm 2322 are fixed.Bending part 242 passes through the second mounting portion 2312
It is fixed with lower sound film 231, and the other end of lower sound film 231 is fixed by the first mounting portion 2311 and frame 10；Bending part 242 is logical
It is fixed with circuit board 232 to cross the second fixed arm 2322, and circuit board 232 is fixed by the first fixed arm 2321 and frame 10；I.e.
Voice coil 22 is indirectly fixed with lower sound film 231 and circuit board 232 simultaneously by bending part 242, thus can be with the technical program
Reinforce the structural stability of entire vibrational system 20.
As shown in Fig. 2, Fig. 6, voice coil 22 has voice coil leads 221, and the second fixed arm 2322 is formed with pad 2322a, curved
The corresponding pad 2322a in folding part 242 offers through-hole 2421, and pad 2322a via through holes 2421 are placed on bending part 242, and voice coil draws
221 via through holes 2421 of line are electrically connected with pad 2322a.Preferably, the corresponding voice coil leads 221 of main part 241 offer relief hole
2411, voice coil leads 221 are stretched out through relief hole 2411, and are avoided logical by circuit board 232 to external circuit transmission electric signal
Crossing voice coil leads 221 is that voice coil 22 introduces the problem of external electric signal is easy broken string.
For the tool of voice coil 22 there are two voice coil leads 221, the ipsilateral of voice coil 22, voice coil leads 221 are arranged in two voice coil leads 221
It is corresponded respectively with relief hole 2411 and pad 2322a, two relief holes 2411 are spaced apart from each other setting, by two voice coil leads 221
It separates, prevents voice coil leads 221 short-circuit, to guarantee that loudspeaker works normally.
Further, voice coil 22 is in racetrack, and centring disk 23 is formed in the short axle two sides of voice coil 22, is greatly reduced
Cost and the weight for reducing loudspeaker.
Referring to fig. 2, frame 10 includes steel loop 11 and the rest portion 12 for being fixed on 11 both ends of steel loop；Magnetic circuit system 30 then includes
It is fixed on magnetic yoke 31 of the frame 10 far from upper 21 side of sound film and is fixed on the main magnet steel 32 and secondary magnet steel 33 of magnetic yoke 31, it is secondary
Magnet steel 33 is located at the two sides of long axis direction of the main magnet steel 32 along voice coil 22 and forms magnetic gap, voice coil with the setting of main magnet steel 32 interval
22 are inserted in magnetic gap.Magnetic yoke 31 is including centrally located first part 311 and is oppositely arranged on first part 311
The second part 312 of two sides, first part 311 and second part 312 are fixed with rest portion 12；Magnetic circuit system 30 further includes folding
Set on secondary magnet steel 33 upper clamp plate 36, be stacked on secondary magnet steel 33 and be located at 36 two sides of upper clamp plate auxiliary magnet steel 35 and be sticked
Main pole core 34 on main magnet steel 32, main pole core 34 are made of permeability magnetic material, are attached to the surface of main magnet steel 32, lead for playing
Magnetic action converges magnetic field, improves the magnetic induction performance of product.
The above are merely embodiments of the present invention, it should be noted here that for those of ordinary skill in the art,
Without departing from the concept of the premise of the invention, improvement can also be made, but these are all belonged to the scope of protection of the present invention.
Claims (10)
1. a kind of loudspeaker, comprising: frame and the vibrational system that is contained in the accommodating space with accommodating space and
Magnetic circuit system, the vibrational system include the upper sound film for being fixed on the frame, are arranged in the upper sound film close to the magnetic circuit
The voice coil of system side and it is fixed on centring disk of the voice coil far from the upper sound film side, the centring disk is remote
The frame is fixed in one end from the voice coil, which is characterized in that the vibrational system further includes supporting element, the supporting element
Side including the main part being bonded with the voice coil and from the main part far from the upper sound film is towards far from the voice coil
The bending part that direction bending extends, the centring disk include being bonded fixation far from the side of the upper sound film with the voice coil
Fixed part, the bending part, which is at least partly bonded, is fixed on the fixed part.
2. loudspeaker according to claim 1, which is characterized in that the main part is sticked in the voice coil close to the basin
The side of frame, the bending part are arranged between the voice coil and the frame.
3. loudspeaker according to claim 2, which is characterized in that the supporting element further includes being folded in the voice coil and institute
The support portion between sound film is stated, described support portion one end is connect with the main part, the other end is fixed with the upper sound film.
4. loudspeaker according to claim 3, which is characterized in that in a ring, the support portion is close to institute for the support portion
The outer diameter for stating sound film one end is less than the support portion close to the outer diameter of described main part one end.
5. loudspeaker according to claim 2, which is characterized in that the centring disk includes lower sound film and is folded in institute
State the circuit board between lower sound film and the frame；The circuit board includes the first fixed arm and the institute for being fixed on the frame
State the elasticity arm of the second fixed fixed arm of bending part and connection first fixed arm and second fixed arm；It is described
Lower sound film includes the first mounting portion corresponding with first fixed arm, the second mounting portion connecting with the voice coil and connection
Ring portion between first mounting portion and second mounting portion, the ring portion are towards the side far from the circuit board
To curved arc, second fixed arm and second mounting portion form the fixed part.
6. loudspeaker according to claim 5, which is characterized in that side and institute of the bending part close to the main part
It states the second mounting portion to fix, side of the bending part far from the main part is fixed with second fixed arm.
7. loudspeaker according to claim 5, which is characterized in that the voice coil has voice coil leads, and described second is fixed
Arm is formed with pad, and the bending part corresponds to the pad and offers through-hole, and the pad is placed on described curved through the through-hole
Folding part, the voice coil leads are electrically connected through the through-hole with the pad.
8. loudspeaker according to claim 7, which is characterized in that the main part, which corresponds to the voice coil leads and offers, to be allowed
Position hole, the voice coil leads are stretched out through the relief hole.
9. loudspeaker according to claim 8, which is characterized in that there are two the voice coil leads, two institutes for the voice coil tool
It states voice coil leads and the ipsilateral of the voice coil, the voice coil leads and the relief hole and one a pair of pad difference is set
It answers, two relief holes are spaced apart from each other setting.
10. loudspeaker according to claim 1, which is characterized in that the voice coil is in racetrack, and the centring disk is formed
In the short axle two sides of the voice coil, the magnetic circuit system include the magnetic yoke being fixed on the frame far from the upper sound film side,
And it is fixed on the main magnet steel and secondary magnet steel of the magnetic yoke, the pair magnet steel is located at the main magnet steel along the long axis side of the voice coil
To two sides and be arranged to form magnetic gap with the main magnet steel interval, the voice coil is inserted in the magnetic gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910560541.2A CN110351639B (en) | 2019-06-26 | 2019-06-26 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910560541.2A CN110351639B (en) | 2019-06-26 | 2019-06-26 | Loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110351639A true CN110351639A (en) | 2019-10-18 |
| CN110351639B CN110351639B (en) | 2021-12-24 |
Family
ID=68183117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910560541.2A Active CN110351639B (en) | 2019-06-26 | 2019-06-26 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110351639B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111818432A (en) * | 2020-08-31 | 2020-10-23 | 歌尔股份有限公司 | Loudspeaker |
| CN112969132A (en) * | 2021-01-29 | 2021-06-15 | 歌尔股份有限公司 | Elastic support piece, electronic device and terminal |
| WO2021134262A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2021134421A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Voice coil and loudspeaker |
| CN113473329A (en) * | 2020-03-31 | 2021-10-01 | 歌尔股份有限公司 | Speaker and electronic apparatus |
| CN113542994A (en) * | 2020-04-14 | 2021-10-22 | 华为技术有限公司 | Electroacoustic transducer and electronic equipment |
| CN114501260A (en) * | 2021-07-23 | 2022-05-13 | 荣耀终端有限公司 | Kernel, loudspeaker module and electronic equipment |
| WO2022143027A1 (en) * | 2020-12-29 | 2022-07-07 | 歌尔股份有限公司 | Loudspeaker and electronic terminal |
| CN117440301A (en) * | 2023-12-18 | 2024-01-23 | 瑞声光电科技(常州)有限公司 | Speaker monomer and electronic equipment |
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| CN109889964A (en) * | 2018-12-30 | 2019-06-14 | 瑞声科技(新加坡)有限公司 | Microphone device |
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| JP2011223290A (en) * | 2010-04-09 | 2011-11-04 | Clarion Co Ltd | Voice coil speaker |
| CN205160783U (en) * | 2015-10-16 | 2016-04-13 | 东莞正阳电子有限公司 | Overlength low frequency extends tubular audio amplifier |
| CN205847562U (en) * | 2016-06-15 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Mini-sound device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021134262A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2021134421A1 (en) * | 2019-12-31 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Voice coil and loudspeaker |
| CN113473329A (en) * | 2020-03-31 | 2021-10-01 | 歌尔股份有限公司 | Speaker and electronic apparatus |
| CN113542994A (en) * | 2020-04-14 | 2021-10-22 | 华为技术有限公司 | Electroacoustic transducer and electronic equipment |
| CN113542994B (en) * | 2020-04-14 | 2023-03-10 | 华为技术有限公司 | Electroacoustic transducer and electronic equipment |
| CN111818432B (en) * | 2020-08-31 | 2020-12-08 | 歌尔股份有限公司 | Loudspeaker |
| CN111818432A (en) * | 2020-08-31 | 2020-10-23 | 歌尔股份有限公司 | Loudspeaker |
| WO2022143027A1 (en) * | 2020-12-29 | 2022-07-07 | 歌尔股份有限公司 | Loudspeaker and electronic terminal |
| CN112969132A (en) * | 2021-01-29 | 2021-06-15 | 歌尔股份有限公司 | Elastic support piece, electronic device and terminal |
| CN112969132B (en) * | 2021-01-29 | 2023-01-24 | 歌尔股份有限公司 | Elastic support piece, electronic device and terminal |
| CN114501260A (en) * | 2021-07-23 | 2022-05-13 | 荣耀终端有限公司 | Kernel, loudspeaker module and electronic equipment |
| CN117440301A (en) * | 2023-12-18 | 2024-01-23 | 瑞声光电科技(常州)有限公司 | Speaker monomer and electronic equipment |
| CN117440301B (en) * | 2023-12-18 | 2024-03-26 | 瑞声光电科技(常州)有限公司 | Speaker monomer and electronic equipment |
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| CN110351639B (en) | 2021-12-24 |
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