CN110430512A - A kind of loudspeaker reducing distortion - Google Patents
A kind of loudspeaker reducing distortion Download PDFInfo
- Publication number
- CN110430512A CN110430512A CN201910775189.4A CN201910775189A CN110430512A CN 110430512 A CN110430512 A CN 110430512A CN 201910775189 A CN201910775189 A CN 201910775189A CN 110430512 A CN110430512 A CN 110430512A
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- China
- Prior art keywords
- voice coil
- skeleton
- ring
- inner ring
- magnet
- 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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- 230000000712 assembly Effects 0.000 claims abstract description 24
- 238000000429 assembly Methods 0.000 claims abstract description 24
- 230000010355 oscillation Effects 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 29
- 229910052802 copper Inorganic materials 0.000 claims description 28
- 239000010949 copper Substances 0.000 claims description 28
- 239000000758 substrate Substances 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 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)
Abstract
The invention discloses a kind of loudspeakers for reducing distortion, including shell, and vibrational system inside the shell and magnetic circuit system are set, vibrational system includes the vibrating diaphragm being fixedly connected with shell and the Voice coil assemblies for driving diaphragm oscillations, and Voice coil assemblies include the skeleton for being suspended on vibrating diaphragm bottom and the voice coil portion being arranged on skeleton；A FPC plate is fixedly provided with below skeleton；FPC plate includes outer ring, the inner ring being arranged in outer ring and one is connected to the outer peripheral extension in outer ring, is connected between outer ring and inner ring by cantilever, and inner ring is fixedly connected with the lower end of skeleton, and extension is pierced by shell；The conductive layer and conductive layer that connection external circuit is equipped in FPC plate are electrically connected with the voice coil leads in voice coil portion.The present invention, which is fixedly connected with FPC plate by the lower end in skeleton, can greatly reduce the amplitude of oscillation crosswise of the Voice coil assemblies in vibration, improve the stability of Voice coil assemblies longitudinal movement, achieve the effect that reduce distortion.
Description
Technical field
The present invention relates to speaker technology fields, are specifically related to a kind of loudspeaker for reducing distortion.
Background technique
Existing Microspeaker generally comprises vibrating diaphragm, Voice coil assemblies, washer, magnet, magnetic yoke and shell etc., the magnetic of loudspeaker
Road part includes washer, magnet and magnetic yoke.In current loudspeaker, generally setting connects being electrically connected for external circuit on the shell
Connecting terminal needs the voice coil leads of Voice coil assemblies being pierced by shell exterior ability by interior of shell carrying out loudspeaker assembly type
Enough to be welded with electric connection terminal, operating process is complicated and operation difficulty is big, it has not been convenient to weld, not only poor welding quality, easily
It is bad to there is rosin joint etc., while being also easy to cause the broken string of voice coil leads, influences the yields of loudspeaker.Moreover, because raising
The sounding of sound device relies primarily on Voice coil assemblies cutting magnetic induction linearly coupled, to drive diaphragm oscillations, but Voice coil assemblies only have longitudinal direction
Effective cutting is only when vibration, oscillation crosswise can generate noise, so to avoid the oscillation crosswise of Voice coil assemblies as far as possible.
Summary of the invention
For the problems of above prior art, the object of the present invention is to provide a kind of loudspeaker for reducing distortion,
Its structure is simple, easy to assembly, while can also greatly reduce the amplitude of Voice coil assemblies oscillation crosswise, reach reduction distortion,
Improve the effect of loudspeaker acoustic mass.
To achieve the goals above, the technical scheme is that
A kind of loudspeaker reducing distortion, including shell, and the vibrational system being arranged in the shell and magnetic circuit system
System, the vibrational system include the Voice coil assemblies of the vibrating diaphragm being fixedly connected with the shell and the driving diaphragm oscillations, institute
Stating Voice coil assemblies includes the skeleton for being suspended on the vibrating diaphragm bottom and the voice coil portion being arranged on the skeleton；In the skeleton
Lower section is fixedly provided with a FPC plate；The FPC plate includes outer ring, the inner ring being arranged in the outer ring and one is connected to
The outer peripheral extension in outer ring is connected between the outer ring and the inner ring by cantilever, the inner ring and the skeleton
Lower end be fixedly connected, the extension is pierced by the shell；In the FPC plate be equipped with connection external circuit conductive layer and
The conductive layer is electrically connected with the voice coil leads in the voice coil portion.
As a kind of specific embodiment, the outer ring and the inner ring are annular.
Further, the lower end of the skeleton is connected to the inside edge of the inner ring.
As a kind of specific embodiment, the top surface or bottom surface of the FPC plate is arranged in the conductive layer.
As a kind of specific embodiment, the cantilever include be located at the first cantilever at left and right sides of the inner ring and
Second cantilever.
Further, the voice coil leads include the first voice coil leads and the second voice coil leads；The conductive layer includes the
One copper chaff and the second copper chaff；First copper chaff extends to institute by the extension, outer ring and the first cantilever respectively
The rear side of inner ring is stated, the end of first copper chaff is connect with first voice coil leads；Second copper chaff passes through respectively
Cross the front side that the extension, outer ring and the second cantilever extend to the inner ring, the end of second copper chaff and described the
The connection of two voice coil leads.
Further, first voice coil leads and second voice coil leads are separately positioned on the front and back in the voice coil portion
Two sides.
Further, a protrusion extended to the outer ring is respectively equipped in the front side of the inner ring and rear side, described the
The end of one copper chaff and the end of second copper chaff are separately positioned in two protrusions.
As a kind of specific embodiment, the outer ring is fixed in the magnetic circuit system.
Further, the magnetic circuit system includes magnetic yoke, the magnet being arranged in the magnetic yoke and is arranged in the magnet
On washer；The magnetic yoke includes substrate, ring wall and boss；The edge of the basement top and position is arranged in the ring wall
In the outside of the skeleton；The boss is arranged in the centre of the basement top and is located at the inside of the skeleton；The magnetic
Iron includes the first magnet being arranged on the ring wall and the second magnet being arranged on the boss；The washer includes setting
In the first washer on first magnet and the second washer being arranged on second magnet；The ring wall includes upper ring wall
With lower ring wall；It is respectively formed between first magnet and second magnet, between first washer and second washer
Magnetic gap, the voice coil portion protrudes into the magnetic gap, and the outer ring is fixed between the upper ring wall and the lower ring wall, institute
It states inner ring and is located at the top of the substrate and between the ring wall and the boss.
The invention has the benefit that
(1) simple and reasonable, easy to assembly.
(2) transverse-vibration of the Voice coil assemblies in vibration can be greatly reduced by being fixedly connected with FPC plate by the lower end in skeleton
Dynamic amplitude, improves the stability of Voice coil assemblies longitudinal movement, so that reaching reduces distortion, improves loudspeaker acoustic mass
Effect.
(3) realize that voice coil portion is connected with the telecommunications of external circuit by the way that conductive layer is arranged in FPC plate, and due to FPC plate
Inner ring be fixedly connected with skeleton so that skeleton vibration when inner ring also synchronous vibration, so that voice coil leads be made not allow easy fracture
Also it is not easy to fall from FPC plate.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is explosive view of the invention；
Fig. 3 is longitdinal cross-section diagram of the invention；
Fig. 4 is the top view of FPC plate of the invention；
Fig. 5 is the bottom view of FPC plate of the invention.
Appended drawing reference:
1, shell；21, vibrating diaphragm；22, Voice coil assemblies；221, skeleton；222, voice coil portion；31, magnetic yoke；311, substrate；312,
Ring wall；3121, upper ring wall；3122, lower ring wall；313, boss；32, magnet；321, the first magnet；322, the second magnet；33, magnificent
Department；331, the first washer；332, the second washer；4, FPC plate；41, outer ring；42, inner ring；421, raised；43, extension；44, it hangs
Arm；441, the first cantilever；442, the second cantilever；45, conductive layer；451, the first copper chaff；452, the second copper chaff.
Specific embodiment
In the description of the present invention, it is to be understood that, term " upper ", " under ", " preceding ", " rear " equal instructions orientation or position
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The equipment or element of indication or suggestion meaning must have a particular orientation, is constructed and operated in a specific orientation, therefore cannot
It is interpreted as limitation of the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.
Invention is further elaborated in the following with reference to the drawings and specific embodiments, the following instruction is only illustrative, unlimited
Surely the protection scope invented.
As Figure 1-Figure 5, a kind of loudspeaker reducing distortion, including shell 1, and the vibration being arranged in shell 1
System and magnetic circuit system；Vibrational system includes the voice coil group that the vibrating diaphragm 21 being fixedly connected with shell 1 and driving vibrating diaphragm 21 vibrate
Part 22, Voice coil assemblies 22 include the skeleton 221 for being suspended on 21 bottom of vibrating diaphragm and the voice coil portion 222 being arranged on skeleton 221；In bone
The lower section of frame 221 is fixedly provided with a FPC plate 4, and FPC plate 4 includes outer ring 41, the inner ring being arranged in outer ring 41 42 and connects
It connects in the outer peripheral extension 43 in outer ring 41, is connected between outer ring 41 and inner ring 42 by cantilever 44, inner ring 42 and skeleton 221
Lower end is fixedly connected, and extension 43 is pierced by shell 1；Preferably, outer ring 41 and inner ring 42 are annular.Preferably, skeleton 221
Lower end is connected to the inside edge of inner ring 41；Preferably, the mode that welding can be used in skeleton 221 connects and the fixed company of inner ring 41
It connects；The conductive layer 45 of a connection external circuit is additionally provided in FPC plate and the voice coil leads in the conductive layer 45 and voice coil portion 222 electricity
Connection；Preferably, conductive layer 45 is alternatively positioned in the top surface or bottom surface of FPC plate 4, and in the present embodiment, conductive layer 45 is arranged
On the bottom surface of FPC plate 4.Magnetic circuit system is used to provide magnetic field for Voice coil assemblies 22, by connecting one in the lower end of skeleton 221
FPC plate 4, when so that Voice coil assemblies 22 being vibrated after powered up, FPC plate 4 can play the role of centring disk, greatly drop
The amplitude of 22 oscillation crosswise of bass coil assembly, to improve the stability of 22 extensional vibration of Voice coil assemblies, reach reduction distortion,
Improve the effect of loudspeaker acoustic mass.
Wherein, cantilever 44 includes the first cantilever 441 and the second cantilever 442 for being located at 42 left and right sides of inner ring.
As shown in Figure 3-Figure 5, voice coil leads include the first voice coil leads (not shown) and the second voice coil leads (in figure not
Show)；Conductive layer 45 includes the first copper chaff 451 and the second copper chaff 452；First copper chaff 451 is respectively by extension 43, outer
Circle 41 and the first cantilever 441 extend to the rear side of inner ring 41, and the end of the first copper chaff 451 is connect with the first voice coil leads；The
Two copper chaffs 452 extend to the front side of inner ring 41, the second copper chaff by extension 43, outer ring 41 and the second cantilever 442 respectively
452 end is connect with the second voice coil leads；In order to balance the vibration of vibrating diaphragm 21, first voice coil leads in voice coil portion 222 and
Two voice coil leads are symmetrically disposed in the front and rear sides in voice coil portion 222.Preferably, the first voice coil leads and the second voice coil leads can
It is connected by the way of being welded with copper chaff.Extend specifically, being respectively equipped with one in the front side of inner ring 41 and rear side to outer ring 41
Protrusion 421, the end of the end of the first copper chaff 451 and the second copper chaff 452 is separately positioned in two protrusions 421.It is logical
Cross arrangement above enable voice coil portion 222 successfully realize with external circuit be powered and this structure assembling when it is simpler
It is convenient, and two protrusions 421 can increase the first voice coil leads and the second voice coil leads and the first copper chaff 451 and the second copper foil
The bonding area of item 452 connects more stable.Moreover, by by the first voice coil leads and the second voice coil leads and conductive layer 45 it
Between two tie points be separately positioned on the front and rear sides of inner ring 42 and the first cantilever 441 and the second cantilever 442 be respectively set
In the left and right sides of inner ring 42, so that in vibration, more evenly, the vibration of vibrating diaphragm 21 more balances stress skeleton 221, reaches
Improve the effect of loudspeaker acoustic mass.
As shown in Figures 2 and 3, magnetic circuit system includes magnetic yoke 31, the magnet being arranged in magnetic yoke 31 32 and is arranged in magnet
Washer 33 on 32；Magnetic yoke 31 includes substrate 311, ring wall 312 and boss 313；The four of 311 top surface of substrate are arranged in ring wall 312
Circumferential edges and the inside for being located at skeleton 221；Boss 313 be arranged in the centre of 311 top surface of substrate and be located at skeleton 221 inside
It should be noted that ring wall 312 does not contact with boss 313 with skeleton 221；Magnet 32 includes the be arranged on ring wall 312
One magnet 321 and the second magnet 322 for being arranged on boss 313；Washer 33 includes the first China being arranged on the first magnet 321
Department 331 and the second washer 332 being arranged on the second magnet 322；Ring wall 312 includes upper ring wall 3121 and lower ring wall 3122；
Magnetic gap, voice coil portion are respectively formed between first magnet 321 and the second magnet 322, between the first washer 331 and the second washer 332
22 protrude into magnetic gap, and outer ring 41 is fixed between ring wall 3121 and lower ring wall 3122, and inner ring 42 is located at the upper of substrate 311
Just and between ring wall 312 and boss 313.Specifically, the center of boss 313, the second magnet 322 and the second washer 332 is equal
On the same line.Specifically, magnetic yoke 31 is connect with the mode that bonding can be used in magnet 32, magnet 32 can be used viscous with washer 33
The mode of knot connects.Preferably, substrate 311, boss 313, the second magnet 322 and the second washer 332 be hollow structure and it
Hollow structure communicate, to guarantee the circulation of air.
First magnet 321 and the first washer 331 are annular, are not only convenient for the first magnet of installation 321 and the first China in this way
Department 331, it can also be ensured that the magnetic flux and uniformity in magnetic field.
First washer 331 is identical as the material of the second washer 332, is conducive to improve magnetic field's regularity and upper and lower in this way
Symmetry on direction.
The outside of the first magnet of the distance between medial surface of the lateral surface of first washer 331 and the second washer 332 < 321
Between the lateral surface of the distance between the medial surface of face and the second magnet 322 < boss 313 and the medial surface of ring wall 312 away from
From.Be conducive to improve magnetic field's regularity and symmetry in the up-down direction through the above arrangement.
Concrete principle of the invention are as follows:
Voice coil portion 222 is after conductive layer 45 is connected with the telecommunications of external circuit, using the conducting of two voice coil leads,
Voice coil assemblies 22 drive vibrating diaphragm 21 to vibrate in magnetic field internal vibration, the Voice coil assemblies 22 of vibration, and vibrating diaphragm 21 instigates air sounding, due to
The setting of FPC plate 4 enables FPC plate 4 to greatly reduce the amplitude of 22 oscillation crosswise of Voice coil assemblies, to improve Voice coil assemblies
The stability of 22 extensional vibrations achievees the effect that reduce distortion, improves loudspeaker acoustic mass.
The invention is not limited to above embodiment, if not departing from the present invention to various changes or deformation of the invention
Spirit and scope, if these changes and deformation belong within the scope of claim and equivalent technologies of the invention, then this hair
It is bright to be also intended to encompass these changes and deformation.
Claims (10)
1. a kind of loudspeaker for reducing distortion, including shell, and the vibrational system and magnetic circuit system that are arranged in the shell,
The vibrational system includes the Voice coil assemblies of the vibrating diaphragm being fixedly connected with the shell and the driving diaphragm oscillations, the sound
Coil assembly includes the skeleton for being suspended on the vibrating diaphragm bottom and the voice coil portion being arranged on the skeleton, it is characterised in that:
A FPC plate is fixedly provided with below the skeleton；The FPC plate includes outer ring, is arranged in the outer ring
Inner ring and one it is connected to the outer peripheral extension in the outer ring, passes through cantilever between the outer ring and the inner ring and connect, institute
It states inner ring to be fixedly connected with the lower end of the skeleton, the extension is pierced by the shell；It is outer that connection is equipped in the FPC plate
The conductive layer of the portion's circuit and conductive layer is electrically connected with the voice coil leads in the voice coil portion.
2. the loudspeaker according to claim 1 for reducing distortion, it is characterised in that:
The outer ring and the inner ring are annular.
3. the loudspeaker according to claim 2 for reducing distortion, it is characterised in that:
The lower end of the skeleton is connected to the inside edge of the inner ring.
4. the loudspeaker according to claim 1 for reducing distortion, it is characterised in that:
The top surface or bottom surface of the FPC plate is arranged in the conductive layer.
5. the loudspeaker according to claim 1 for reducing distortion, it is characterised in that:
The cantilever includes the first cantilever and the second cantilever being located at left and right sides of the inner ring.
6. the loudspeaker according to claim 5 for reducing distortion, it is characterised in that:
The voice coil leads include the first voice coil leads and the second voice coil leads；The conductive layer includes the first copper chaff and second
Copper chaff；First copper chaff extends to the rear side of the inner ring, institute by the extension, outer ring and the first cantilever respectively
The end for stating the first copper chaff is connect with first voice coil leads；Second copper chaff passes through the extension, outer respectively
Circle and the second cantilever extend to the front side of the inner ring, and the end of second copper chaff is connect with second voice coil leads.
7. the loudspeaker according to claim 6 for reducing distortion, it is characterised in that:
First voice coil leads and second voice coil leads are separately positioned on the front and rear sides in the voice coil portion.
8. the loudspeaker according to claim 6 for reducing distortion, it is characterised in that:
A protrusion extended to the outer ring, the end of first copper chaff are respectively equipped in the front side of the inner ring and rear side
It is separately positioned in two protrusions with the end of second copper chaff.
9. the loudspeaker according to claim 1 for reducing distortion, it is characterised in that:
The outer ring is fixed in the magnetic circuit system.
10. the loudspeaker according to claim 9 for reducing distortion, it is characterised in that:
The magnetic circuit system includes magnetic yoke, the magnet being arranged in the magnetic yoke and the washer being arranged on the magnet；It is described
Magnetic yoke includes substrate, ring wall and boss；The ring wall is arranged in the edge of the basement top and is located at the skeleton
Outside；The boss is arranged in the centre of the basement top and is located at the inside of the skeleton；The magnet includes that setting exists
The first magnet on the ring wall and the second magnet being arranged on the boss；The washer includes being arranged in first magnetic
The first washer on iron and the second washer being arranged on second magnet；The ring wall includes upper ring wall and lower ring wall；Institute
It states between the first magnet and second magnet, be respectively formed magnetic gap between first washer and second washer, it is described
Voice coil portion protrudes into the magnetic gap, and the outer ring is fixed between the upper ring wall and the lower ring wall, and the inner ring is located at
The top of the substrate and between the ring wall and the boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775189.4A CN110430512A (en) | 2019-08-21 | 2019-08-21 | A kind of loudspeaker reducing distortion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910775189.4A CN110430512A (en) | 2019-08-21 | 2019-08-21 | A kind of loudspeaker reducing distortion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110430512A true CN110430512A (en) | 2019-11-08 |
Family
ID=68417202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910775189.4A Pending CN110430512A (en) | 2019-08-21 | 2019-08-21 | A kind of loudspeaker reducing distortion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110430512A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113923566A (en) * | 2021-11-25 | 2022-01-11 | 深圳市昕通用电子材料有限公司 | Voice coil preparation method, voice coil and loudspeaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016141727A1 (en) * | 2015-03-11 | 2016-09-15 | 歌尔声学股份有限公司 | Loudspeaker device |
| TW201808018A (en) * | 2016-08-26 | 2018-03-01 | 富祐鴻科技股份有限公司 | Loudspeaker structure capable of always keeping vibrations in a vertical direction to reduce the horizontal shift of the voice coil |
| CN208029083U (en) * | 2018-02-11 | 2018-10-30 | 瑞声科技(新加坡)有限公司 | Loud speaker |
| CN208285531U (en) * | 2018-02-26 | 2018-12-25 | 歌尔科技有限公司 | Acoustical generator |
-
2019
- 2019-08-21 CN CN201910775189.4A patent/CN110430512A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016141727A1 (en) * | 2015-03-11 | 2016-09-15 | 歌尔声学股份有限公司 | Loudspeaker device |
| TW201808018A (en) * | 2016-08-26 | 2018-03-01 | 富祐鴻科技股份有限公司 | Loudspeaker structure capable of always keeping vibrations in a vertical direction to reduce the horizontal shift of the voice coil |
| CN208029083U (en) * | 2018-02-11 | 2018-10-30 | 瑞声科技(新加坡)有限公司 | Loud speaker |
| CN208285531U (en) * | 2018-02-26 | 2018-12-25 | 歌尔科技有限公司 | Acoustical generator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113923566A (en) * | 2021-11-25 | 2022-01-11 | 深圳市昕通用电子材料有限公司 | Voice coil preparation method, voice coil and loudspeaker |
| CN113923566B (en) * | 2021-11-25 | 2024-05-17 | 深圳市昕通用电子材料有限公司 | Voice coil preparation method, voice coil and loudspeaker |
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