CN206118013U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
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- CN206118013U CN206118013U CN201621082982.4U CN201621082982U CN206118013U CN 206118013 U CN206118013 U CN 206118013U CN 201621082982 U CN201621082982 U CN 201621082982U CN 206118013 U CN206118013 U CN 206118013U
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- loudspeaker
- chamber
- vibrating diaphragm
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Abstract
The utility model relates to a loudspeaker, including the casing and set up the vibration system in the casing, a vibration system includes first vibrating diaphragm, and a first cavity is separated with the casing by first vibrating diaphragm, and loudspeaker still including setting up the basin frame in first cavity, separates first cavity to go out to be close to the first sub - cavity of first vibrating diaphragm and to keep away from by the basin frame the sub - cavity of second of first vibrating diaphragm, loudspeaker still include with a vibration system complex magnetic circuit, the 2nd vibration system and with the 2nd vibration system complex the 2nd magnetic circuit, a magnetic circuit sets up in first sub - cavity, the 2nd vibration system and the 2nd magnetic circuit set up in the sub - cavity of second. The utility model discloses loudspeaker can compromise low or middle high frequency is effectual, makes here loudspeaker possess the performance of high -fidelity to improve loudspeaker's tone quality, and reduce loudspeaker's appearance and height dimensions widely, make compact structure, save space.
Description
Technical field
The utility model is related to loudspeaker field, more particularly, it relates to a kind of loudspeaker.
Background technology
Loudspeaker is a kind of electronic product commonly used in life.Loudspeaker in correlation technique is generally all to arrange one to shake
Dynamic system and the magnetic circuit system coordinated with it, under such circumstances, it may appear that the unsharp situation of tonequality, so that loudspeaker
Performance it is not good enough.And as electronic equipment tends to slimming, miniaturization, in order to be able to install loudspeaker in electronic equipment, raise
The structure of sound device also tends to miniaturization, the construction profile for further reducing loudspeaker is needed, to meet the demand of people.
Accordingly, it is desirable to provide a kind of improved loudspeaker.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of prior art, there is provided a kind of improved
Loudspeaker.
The utility model solves the technical scheme that its technical problem adopted：Construct a kind of loudspeaker, including housing with
And the first vibrational system being arranged in housing, first vibrational system include the first vibrating diaphragm, first vibrating diaphragm will be described
Housing is separated out a first chamber, it is characterised in that the loudspeaker also includes the frame being arranged in the first chamber,
The frame is separated out the first chamber near the first sub-chamber of first vibrating diaphragm and away from first vibrating diaphragm
Second sub-chamber；The loudspeaker also includes the first magnetic circuit system, the second vibrational system coordinated with first vibrational system
And the second magnetic circuit system coordinated with second vibrational system, first magnetic circuit system is arranged on first sub-chamber
Interior, second vibrational system and second magnetic circuit system are arranged in second sub-chamber.
Preferably, the frame includes the depressed part and edge part towards first vibrating diaphragm depression, the edge part
It is connected with the housing.
Preferably, it is provided with sound guide tube on the depressed part, the sound guide tube is by first sub-chamber and described second
Sub-chamber connects.
Preferably, second magnetic circuit system includes the second magnet, and second magnet is arranged on the bottom of the depressed part
Portion's inner surface.
Preferably, second magnet has axially extending bore, and the through hole is connected with the sound guide tube.
Preferably, first vibrational system also includes the first voice coil loudspeaker voice coil, and first magnetic circuit system includes the first magnet, institute
The periphery that the first magnet is incorporated into the frame is stated, first magnet is in a ring and around first voice coil loudspeaker voice coil.
Preferably, first voice coil loudspeaker voice coil is looped around the periphery of the depressed part.
Preferably, second vibrational system includes the second vibrating diaphragm, second vibrating diaphragm be arranged on the frame with institute
State the opposite side in the first magnet place side.
Preferably, perforation is provided with the middle part of second vibrating diaphragm, the perforation is connected with the through hole.
Preferably, second vibrational system also includes the second voice coil loudspeaker voice coil being connected with second vibrating diaphragm, second sound
Ring is wound on the periphery of second magnet, and by the side wall ring of the depressed part around.
Preferably, the loudspeaker includes bass system, high system for electrical teaching；Also include circuit board and be arranged on the electricity
Filter unit on the plate of road, the filter unit is by the HFS of the bass system and the low frequency part of the high system for electrical teaching
Filter out.
Preferably, the filter unit includes filter capacitor, and the bass system includes first vibrational system and institute
The first magnetic circuit system is stated, the high system for electrical teaching includes second vibrational system and second magnetic circuit system.
Preferably, the housing is also separated out a second chamber by first vibrating diaphragm, and the housing is provided with least
One air-vent, the air-vent connects the second chamber with the external world.
Preferably, the housing is provided with least one sender, and the sender is by second sub-chamber and the external world
Connection.
Preferably, the back cover that the housing includes fore shell and coordinates with fore shell, the frame is located at the fore shell and institute
State between the first vibrating diaphragm, first vibrating diaphragm is located between the frame and the back cover.
Implement loudspeaker of the present utility model, have the advantages that：Have in speaker cover body double vibrational systems and
Double magnetic circuit system, the double diaphragm system positioned at different chamber can be learnt from other's strong points to offset one's weaknesses by two voice coil loudspeaker voice coils, and low high frequency is effective in
Take into account, make this loudspeaker possess the performance of high-fidelity, so as to improve the tonequality of loudspeaker.And the utility model is raised one's voice
Device is the vibrational system and magnetic circuit system that high pitch and bass are assembled by the positive and negative of same frame, can be greatly reduced
The profile and height dimension of loudspeaker, makes compact conformation, save space.
Description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：
Fig. 1 is the structural representation of the utility model loudspeaker；
The circuit board of Fig. 2 the utility model loudspeakers and the structural representation of filter unit；
Fig. 3 is Helmholtz resonator schematic diagram；
Fig. 4 is loudspeaker test comparison chart；
Label declaration：
10th, housing；11st, first chamber；111st, the first sub-chamber；112nd, the second sub-chamber；12nd, second chamber；13rd, sound is gone out
Hole；14th, air-vent；21st, the first vibrating diaphragm；22nd, the first voice coil loudspeaker voice coil；30th, the first magnet；41st, the second vibrating diaphragm；411st, bore a hole；42nd, second
Voice coil loudspeaker voice coil；50th, the second magnet；51st, through hole；60th, frame；61st, depressed part；62nd, edge part；70th, sound guide tube；80th, circuit board；90、
Filter unit.
Specific embodiment
In order to be more clearly understood to technical characteristic of the present utility model, purpose and effect, accompanying drawing is now compareed detailed
Illustrate specific embodiment of the present utility model.
The utility model discloses a kind of loudspeaker, can be applicable to portable electric appts, such as earphone, mobile phone.This reality
With having double vibrational systems and double magnetic circuit system in the housing 10 of New-type loudspeaker, the double diaphragm system positioned at different chamber can be with
Learnt from other's strong points to offset one's weaknesses by two voice coil loudspeaker voice coils, low high frequency is effectively taken into account in, make this loudspeaker possess the performance of high-fidelity, from
And improve the tonequality of loudspeaker.And the utility model loudspeaker be assembled by the positive and negative of same frame 60 high pitch and
The vibrational system and magnetic circuit system of bass, can greatly reduce the profile and height dimension of loudspeaker, make compact conformation, save
Space.
Refering to Fig. 1, the loudspeaker includes housing 10 and the first vibrational system being arranged in housing 10, the first vibration system
System includes the first vibrating diaphragm 21, and housing 10 is separated out a first chamber 11 by the first vibrating diaphragm 21, and loudspeaker is also including being arranged on the
Frame 60 in one chamber 11, frame 60 is separated out first chamber 11 near the first sub-chamber 111 of the first vibrating diaphragm 21 and remote
From the second sub-chamber 112 of the first vibrating diaphragm 21；Loudspeaker also include with the first vibrational system coordinate the first magnetic circuit system, second
Vibrational system and the second magnetic circuit system coordinated with the second vibrational system, the first magnetic circuit system is arranged in the first sub-chamber 111,
Second vibrational system and the second magnetic circuit system are arranged in the second sub-chamber 112.
Frame 60 can be used to support vibrational system and magnetic circuit system as supporter.Frame 60 includes dorsad the first vibrating diaphragm
21 front and the reverse side towards the first vibrating diaphragm 21.The first magnetic circuit that first vibrational system and the first vibrational system are coordinated
System is arranged on the front of frame 60, and the second magnetic circuit system coordinated by the second vibrational system and with the second vibrational system is arranged on
The reverse side of frame 60, the vibrational system and magnetic circuit system of high pitch and bass are assembled by the positive and negative of same frame 60, are adopted
Assembled with same frame 60, can greatly reduce the profile and height dimension of loudspeaker.
Frame 60 includes the depressed part 61 and edge part 62 towards the depression of the first vibrating diaphragm 21, and edge part 62 connects with housing 10
Connect.Sound guide tube 70 is provided with frame 60, sound guide tube 70 connects the first sub-chamber 111 with the second sub-chamber 112.Sound guide tube 70
It is arranged on the depressed part 61 of frame 60, is preferably provided in the middle position of depressed part 61.
First vibrational system also includes driving the first vibrating diaphragm 21 to vibrate and be provided with the first voice coil loudspeaker voice coil 22 of voice coil leads, the first magnetic
Road system includes the first magnet 30, and the first magnet 30 is incorporated into the periphery of frame 60, i.e. edge part 62, and the first magnet 30 is in a ring
And around the first voice coil loudspeaker voice coil 22.Specifically, the first magnet 30 is incorporated into the reverse side of frame 60.First voice coil loudspeaker voice coil 22 is looped around depressed part 61
Periphery.The first voice coil loudspeaker voice coil 22 is set to be placed in the magnetic field of the first magnet 30 of the first magnetic circuit system itself generation.When in magnetic field
The first voice coil loudspeaker voice coil 22 when having tone currents to pass through, the first voice coil loudspeaker voice coil 22 just produces the magnetic field changed with tone currents, this magnetic field and
There is interaction force in the magnetic field of the first magnet 30, this active force just make the first voice coil loudspeaker voice coil 22 in the magnetic field of the first magnet with
Tone currents vibration is got up, and the first vibrating diaphragm 21 of loudspeaker and the first voice coil loudspeaker voice coil 22 connect together, so the first voice coil loudspeaker voice coil 22
The first vibrating diaphragm 21 is driven also to vibrate, vibration is just generated and former audio signal waveform identical sound.Second magnetic circuit system
System includes the second magnet 50, and the second magnet 50 is arranged on the bottom interior surface of depressed part 61.Second magnet 50 has axially extending bore
51, through hole 51 is connected with sound guide tube 70.
Second vibrational system includes the second vibrating diaphragm 41 and is connected with the second vibrating diaphragm 41, drives the second vibrating diaphragm 41 to vibrate and set
There is the second voice coil loudspeaker voice coil 42 of voice coil leads, the second vibrating diaphragm 41 is arranged on the side opposite with the place side of the first magnet 30 of frame 60
Face, the i.e. front of frame 60.The middle part of the second vibrating diaphragm 41 is provided with perforation 411, and perforation 411 connects with the through hole 51 of the second magnet 50
It is logical.Second voice coil loudspeaker voice coil 42 is looped around the periphery of the second magnet 50, and by the side wall ring of depressed part 61 around.It is looped around the second voice coil loudspeaker voice coil 42
The periphery of the second magnet 50, the magnetic field of the second magnet 50 itself generation of the second magnetic circuit system, when the second voice coil loudspeaker voice coil 42 has audio-frequency electric
Circulation is out-of-date, and the second voice coil loudspeaker voice coil 42 just produces the magnetic field of the magnetic field changed with tone currents, this magnetic field and the second magnet 50 to be occurred
Interaction force, this active force just makes the voice coil loudspeaker voice coil of the second vibrating diaphragm 41 in the magnetic field of the second magnet as tone currents vibrates
Come, and the second vibrating diaphragm 41 of loudspeaker and the voice coil loudspeaker voice coil of the second vibrating diaphragm 41 connect together, so the vibration of the second voice coil loudspeaker voice coil 42 drives
Second vibrating diaphragm 41 also vibrates, and vibration is just generated and former audio signal waveform identical sound.
Loudspeaker of the present utility model includes bass system and high system for electrical teaching, also including circuit board 80 and filter unit 90.
Refering to Fig. 2, filter unit 90 is arranged on circuit board 80, for dividing, by the HFS of bass system and high system for electrical teaching
Low frequency part is filtered out, and combines the low frequency part of bass system and the HFS of high system for electrical teaching, allows the complete of loudspeaker
Frequency range performance is more perfect.Wherein, filter unit 90 includes filter capacitor.Specifically, filter unit 90 can be filter capacitor,
Filter capacitor can be welded on circuit board 80 by way of welding；Or filter unit 90 can also be with filtering work(
The circuit of energy, such as wave filter.Bass system includes the first vibrational system and the first magnetic circuit system, and high system for electrical teaching includes the second vibration
System and the second magnetic circuit system.The voice coil leads of the first voice coil loudspeaker voice coil and the second voice coil loudspeaker voice coil are connected on circuit board 80.In this enforcement
In example, filter capacitor is variable capacitance, it is possible to understand that, in certain embodiments, can also simultaneously use a High frequency filter
Electric capacity and a low frequency filtering electric capacity are respectively used to filter low replacing variable capacitance, high-frequency filter capacitor and low frequency filtering electric capacity
The low frequency part of the HFS of system for electrical teaching and high system for electrical teaching.
Housing 10 is also separated out a second chamber 12 by the first vibrating diaphragm 21, and housing 10 is provided with least one air-vent
14, air-vent 14 connects second chamber 12 with the external world, and at least one air-vent 14 is oppositely arranged with sound guide tube.On housing 10
At least one sender 13 is additionally provided with, sender 13 connects ante-chamber with the external world, and at least one sender 13 and sound guide tube phase
To arranging, it is easy to spreading out of for sound.
Due to being separated out first chamber 11 and second chamber 12 by the first vibrating diaphragm 21 in housing 10, while first chamber 11 is again
The first sub-chamber 111 and the second sub-chamber 112 away from vibrating diaphragm near the first vibrating diaphragm 21 is separated into by frame 60, in frame 60
The sound guide tube 70 for connecting the first sub-chamber 111 with the second sub-chamber 112 is additionally provided with, with ventional loudspeakers structure only one of which
One chamber 11 and second chamber 12, so the high frequency curve of loudspeaker begins to decay in 3-4kHz or so.And the utility model
Many first sub-chamber 111 of loudspeaker and the sound guide tube 70 for connecting the first sub-chamber 111 with the second sub-chamber 112,
Refering to Fig. 3-Fig. 4, according to the principle of Helmholtz resonator, this sub-chamber 111 of sound guide tube 70 and first can form second
High-frequency resonance peak, through the calculating of the size of 70 and first sub-chamber of sound guide tube 111, it is left that high frequency frequency range extends to 7.5kHz
It is right.For example, the diameter d=1.2mm of sound guide tube 70, height l=0.3mm, area S=π * (d/2)2；Second ante-chamber diameter d1=
5.2mm, height h=2.2mm, volume V=π * (d1/2)2* h, in substitution computing formula high-frequency resonance frequency f can be obtained0=
7.5kHz, the high-frequency resonance frequency computing formula that Helmholtz resonator is produced is as follows：
Compared with correlation technique, the utility model loudspeaker can extend high frequency frequency range, make the sound sense of hearing of loudspeaker more
Plus it is penetrating bright., in medium-high frequency section, tonequality is merrily and lightheartedly careful, is rich in characteristic for speaker operation, is readily obtained as clear as crystal middle height
Sound.
In the present embodiment, the back cover that housing 10 includes fore shell and coordinates with fore shell, frame 60 is located at fore shell and first
Between vibrating diaphragm 21, the first vibrating diaphragm 21 is located between frame 60 and back cover.Fore shell is provided through fore shell simultaneously relative to sound guide tube 70
The sender 13 connected with the second sub-chamber 112, the second sub-chamber 112 connects the external world via the sender 13, back cover relative to
Sound guide tube 70 is provided through back cover, the air-vent 14 that the chamber of second chamber 12 is in communication with the outside, i.e., before sender 13 is arranged on
On shell, air-vent 14 is arranged on back cover.
It should be understood that above example only expresses preferred embodiment of the present utility model, its description is more concrete
With it is detailed, therefore but the restriction to the utility model the scope of the claims can not be interpreted as；It should be pointed out that for this area
Those of ordinary skill for, without departing from the concept of the premise utility, freedom can be carried out to above-mentioned technical characterstic
Combination, can also make some deformations and improvement, and these belong to protection domain of the present utility model；Therefore, it is all with this practicality
The equivalents that new right is done and modification, all should belong to the covering scope of the utility model claim.
Claims (15)
1. a kind of loudspeaker, including housing (10) and the first vibrational system being arranged in housing (10), first vibration
System includes the first vibrating diaphragm (21), and the housing is separated out a first chamber (11), its feature by first vibrating diaphragm (21)
It is that the loudspeaker also includes being arranged on frame (60) in the first chamber (11), the frame (60) is by described the
One chamber (11) is separated out near first sub-chamber (111) of first vibrating diaphragm and away from the second of first vibrating diaphragm (21)
Sub-chamber (112)；The loudspeaker also includes the first magnetic circuit system, the second vibrational system coordinated with first vibrational system
And the second magnetic circuit system coordinated with second vibrational system, first magnetic circuit system is arranged on first sub-chamber
(111) in, second vibrational system and second magnetic circuit system are arranged in second sub-chamber (112).
2. loudspeaker according to claim 1, it is characterised in that the frame (60) is included towards first vibrating diaphragm
(21) depressed part (61) and edge part (62) of depression, the edge part (62) is connected with the housing (10).
3. loudspeaker according to claim 2, it is characterised in that be provided with sound guide tube (70) on the depressed part (61),
The sound guide tube (70) connects first sub-chamber (111) with second sub-chamber (112).
4. loudspeaker according to claim 3, it is characterised in that second magnetic circuit system includes the second magnet (50),
Second magnet (50) is arranged on the bottom interior surface of the depressed part (61).
5. loudspeaker according to claim 4, it is characterised in that second magnet (50) with axially extending bore (51),
The through hole (51) connects with the sound guide tube (70).
6. loudspeaker according to claim 5, it is characterised in that first vibrational system also includes the first voice coil loudspeaker voice coil
(22), first magnetic circuit system includes the first magnet (30), and first magnet (30) is incorporated into the periphery of the frame, institute
The first magnet (30) is stated in a ring and around first voice coil loudspeaker voice coil (22).
7. loudspeaker according to claim 6, it is characterised in that first voice coil loudspeaker voice coil (22) is looped around the depressed part
(61) periphery.
8. loudspeaker according to claim 6, it is characterised in that second vibrational system includes the second vibrating diaphragm (41),
Second vibrating diaphragm (41) is arranged on the side opposite with the first magnet (30) place side of the frame (60).
9. loudspeaker according to claim 8, it is characterised in that be provided with perforation in the middle part of second vibrating diaphragm (41)
(411), the perforation (411) connects with the through hole (51).
10. loudspeaker according to claim 8, it is characterised in that second vibrational system also includes and described second
Second voice coil loudspeaker voice coil (42) of vibrating diaphragm (41) connection, second voice coil loudspeaker voice coil (42) is looped around the periphery of second magnet (50), and quilt
The side wall ring of the depressed part (61) around.
11. loudspeakers according to any one of claim 1 to 10, it is characterised in that the loudspeaker include bass system,
High system for electrical teaching；Also include circuit board (80) and the filter unit (90) being arranged on the circuit board (80), the filtering is single
First (90) filter out the low frequency part of the HFS of the bass system and the high system for electrical teaching.
12. loudspeakers according to claim 11, it is characterised in that the filter unit includes filter capacitor, described low
System for electrical teaching includes first vibrational system and first magnetic circuit system, and the high system for electrical teaching includes second vibrational system
With second magnetic circuit system.
13. loudspeakers according to any one of claim 1 to 10, it is characterised in that first vibrating diaphragm (21) is also by institute
State housing (10) and be separated out a second chamber (12), the housing (10) is provided with least one air-vent (14), described
Pore (14) connects the second chamber (12) with the external world.
14. loudspeakers according to any one of claim 3 to 10, it is characterised in that the housing (10) is provided with least
One sender (13), the sender (13) connects second sub-chamber (112) with the external world.
15. loudspeakers according to any one of claim 1 to 10, it is characterised in that the housing (10) including fore shell with
And the back cover coordinated with fore shell, the frame (60) is located between the fore shell and first vibrating diaphragm (21), and described first shakes
Film (21) is located between the frame (60) and the back cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621082982.4U CN206118013U (en) | 2016-09-26 | 2016-09-26 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621082982.4U CN206118013U (en) | 2016-09-26 | 2016-09-26 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206118013U true CN206118013U (en) | 2017-04-19 |
Family
ID=58521925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621082982.4U Active CN206118013U (en) | 2016-09-26 | 2016-09-26 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206118013U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071669A (en) * | 2017-05-26 | 2017-08-18 | 维沃移动通信有限公司 | A kind of loudspeaker earpiece and mobile terminal |
| CN108574918A (en) * | 2018-07-19 | 2018-09-25 | 陈新得 | One kind two divides twin magnetic circuit speaker |
| CN109089197A (en) * | 2018-07-27 | 2018-12-25 | Oppo广东移动通信有限公司 | Loudspeaker monomer, loudspeaker assembly and electronic equipment |
| CN109714688A (en) * | 2019-02-19 | 2019-05-03 | 苏州上声电子股份有限公司 | A kind of speaker system |
| CN109714656A (en) * | 2018-12-27 | 2019-05-03 | 歌尔股份有限公司 | Frame component and sounding device |
| CN109788406A (en) * | 2018-12-27 | 2019-05-21 | 歌尔股份有限公司 | Magnetic circuit system and sounding device |
| CN109936803A (en) * | 2019-02-26 | 2019-06-25 | 华为终端有限公司 | Loudspeaker, loudspeaker assembly and portable electronic device |
| WO2019200691A1 (en) * | 2018-04-20 | 2019-10-24 | 深圳市蓝禾技术有限公司 | Movable coil structure and earphone |
| WO2020000984A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Microphone device and portable terminal |
| WO2020000985A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sound production apparatus and portable terminal |
| CN111083617A (en) * | 2019-12-20 | 2020-04-28 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN113411728A (en) * | 2021-06-11 | 2021-09-17 | 美特科技(苏州)有限公司 | Vibrating diaphragm subassembly, speaker module and electronic equipment |
| WO2022062039A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Sound-producing unit and electronic terminal |
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2016
- 2016-09-26 CN CN201621082982.4U patent/CN206118013U/en active Active
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107071669A (en) * | 2017-05-26 | 2017-08-18 | 维沃移动通信有限公司 | A kind of loudspeaker earpiece and mobile terminal |
| WO2019200691A1 (en) * | 2018-04-20 | 2019-10-24 | 深圳市蓝禾技术有限公司 | Movable coil structure and earphone |
| US11483660B2 (en) * | 2018-06-25 | 2022-10-25 | Goertek, Inc. | Sound production apparatus and portable terminal |
| WO2020000985A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sound production apparatus and portable terminal |
| WO2020000984A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Microphone device and portable terminal |
| CN108574918A (en) * | 2018-07-19 | 2018-09-25 | 陈新得 | One kind two divides twin magnetic circuit speaker |
| CN109089197A (en) * | 2018-07-27 | 2018-12-25 | Oppo广东移动通信有限公司 | Loudspeaker monomer, loudspeaker assembly and electronic equipment |
| CN109714656A (en) * | 2018-12-27 | 2019-05-03 | 歌尔股份有限公司 | Frame component and sounding device |
| CN109788406A (en) * | 2018-12-27 | 2019-05-21 | 歌尔股份有限公司 | Magnetic circuit system and sounding device |
| CN109714656B (en) * | 2018-12-27 | 2020-05-29 | 歌尔股份有限公司 | Basin stand assembly and sound production device |
| WO2020134285A1 (en) * | 2018-12-27 | 2020-07-02 | 歌尔股份有限公司 | Magnetic circuit system and sound producing device |
| CN109788406B (en) * | 2018-12-27 | 2020-09-18 | 歌尔股份有限公司 | Magnetic circuit system and sound production device |
| CN109714688A (en) * | 2019-02-19 | 2019-05-03 | 苏州上声电子股份有限公司 | A kind of speaker system |
| CN109936803A (en) * | 2019-02-26 | 2019-06-25 | 华为终端有限公司 | Loudspeaker, loudspeaker assembly and portable electronic device |
| CN109936803B (en) * | 2019-02-26 | 2021-01-12 | 华为终端有限公司 | Speaker, speaker assembly and portable electronic device |
| US11997464B2 (en) | 2019-02-26 | 2024-05-28 | Huawei Technologies Co., Ltd. | Loudspeaker, loudspeaker assembly, and portable electronic device |
| CN111083617A (en) * | 2019-12-20 | 2020-04-28 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| WO2022062039A1 (en) * | 2020-09-25 | 2022-03-31 | 瑞声声学科技(深圳)有限公司 | Sound-producing unit and electronic terminal |
| US11849298B2 (en) | 2021-06-11 | 2023-12-19 | Merry Electronics (Suzhou) Co., Ltd. | Diaphragm assembly and loudspeaker module |
| CN113411728A (en) * | 2021-06-11 | 2021-09-17 | 美特科技(苏州)有限公司 | Vibrating diaphragm subassembly, speaker module and electronic equipment |
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