CN110149580A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN110149580A CN110149580A CN201910487405.5A CN201910487405A CN110149580A CN 110149580 A CN110149580 A CN 110149580A CN 201910487405 A CN201910487405 A CN 201910487405A CN 110149580 A CN110149580 A CN 110149580A
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- Prior art keywords
- annular
- fixed part
- diaphragm
- connect
- outside
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
- H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
-
- 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
- H04R9/02—Details
- H04R9/025—Magnetic circuit
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- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The present invention provides loudspeakers, including frame, vibrational system, magnetic circuit system, frame includes the top cover for accommodating the bottom frame of magnetic circuit system He being fixed on magnetic circuit system, vibrational system includes first annular vibrating diaphragm, second annular diaphragm, third annular diaphragm, annular top dome, voice coil and skeleton, the outside of first annular vibrating diaphragm is connect with the first side plate, the inside of first annular vibrating diaphragm is connect with the outside of annular top dome, the outside of second annular diaphragm is connect with the second side plate, skeleton is connected between the inside of annular top dome and the inside of the second annular diaphragm from the lateral wall of the voice coil, the outside of third annular diaphragm is connect with the inside of annular top dome, the inside of third annular diaphragm is connect with top cover.Loudspeaker provided by the invention uses three diaphragm structures by setting vibrational system, and the vibration of vibrational system can be made more to balance, and effectively reduces because of the uneven noise generated of vibration, effectively promotion sound quality.
Description
[technical field]
The present invention relates to acoustics design technical field more particularly to a kind of loudspeakers.
[background technique]
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices
Among, mobile phone is undoubtedly the most common mobile terminal device.Currently, cell-phone function is varied, one of them is high-quality
Music function, and the loudspeaker in mobile phone be realize this high-quality function one of necessary condition.
Existing loudspeaker includes frame, the vibrational system being mounted in frame and magnetic circuit system, and vibrational system includes vibration
Film, annular top dome, skeleton and voice coil, annular top dome are connect with vibrating diaphragm, and voice coil passes through setting skeleton and ring on its direction of vibration
Shape top dome is connected to drive diaphragm oscillations sounding.The structure of existing loudspeaker can frequently result in vibration using the design method of single vibrating diaphragm
Dynamic system vibration is uneven, and there are more noises.
It is therefore desirable to study the novel loudspeaker of one kind to solve the above problems.
[summary of the invention]
The purpose of the present invention is to provide a kind of loudspeakers, the vibration of vibrational system can be made more to balance, effectively
It reduces because of the uneven noise generated of vibration, effectively promotion sound quality.
The purpose of the present invention adopts the following technical scheme that realization:
A kind of loudspeaker, including vibrational system, magnetic circuit system and use for driving the vibrational system vibration sounding
In the frame installed for the vibrational system and the magnetic circuit system, the frame includes the bottom for accommodating the magnetic circuit system
Frame and the top cover being fixed on the magnetic circuit system, the bottom frame includes bottom plate, the first side plate for being convexly equipped in the bottom edge
And it is convexly equipped on the bottom plate and is located at the second side plate of first side plate interior sides, the vibrational system includes first annular
Vibrating diaphragm, the second annular diaphragm, third annular diaphragm, annular top dome, voice coil and skeleton, the outside of the first annular vibrating diaphragm with
The first side plate connection, the inside of the first annular vibrating diaphragm are connect with the outside of the annular top dome, second annular
The outside of vibrating diaphragm is connect with second side plate, and the skeleton is connected to the annular top dome from the lateral wall of the voice coil
Inside and second annular diaphragm inside between, the inside in the outside of the third annular diaphragm and the annular top dome
It connects, is connected with the top cover on the inside of the third annular diaphragm.
As an improvement mode, the magnetic circuit system is located at the inside of second annular diaphragm.
As an improvement mode, the magnetic circuit system includes being installed on magnetic conductive board among the bottom frame, being set to institute
State the main magnet steel among magnetic conductive board, four be set on the magnetic conductive board and the secondary magnet steel around the main magnet steel setting, attaching
It is attached at the separate of four secondary magnet steel respectively in the main pole core of the separate magnetic conductive board side of the main magnet steel and four
The consequent pole core of the magnetic conductive board side, the main magnet steel and the secondary magnet steel interval setting, the voice coil is movable to be sheathed on institute
It states outside main magnet steel.
As an improvement mode, the through-hole positioned at second side plate interior sides, the magnetic conductive board are opened up on the bottom plate
It is embedded in the through-hole.
As an improvement mode, the top cover includes top plate, the convex block being convexly equipped among the top plate and is convexly equipped in institute
The third side plate of ceiling edge is stated, the side far from the top plate of the convex block is connect with the magnetic circuit system, and described second
The inside of annular diaphragm is connect with the third side plate, and the voice coil is movable to be sheathed on outside the convex block.
As an improvement mode, the skeleton includes that interval is surrounded on the annular interconnecting piece of the voice coil periphery and several
A rib being connected between the annular interconnecting piece and the voice coil, the bottom of the annular interconnecting piece and second annular
The inside of vibrating diaphragm connects, and the top of the annular interconnecting piece is connect with the inside of the annular top dome.
As an improvement mode, the side towards the third side plate of each rib is recessed with for avoiding
State the evacuation notch of third side plate.
As an improvement mode, there are four the rib is set, four ribs are divided to two groups to be respectively arranged at the sound
The two opposite sides of circle.
As an improvement mode, the first annular vibrating diaphragm includes the first ring, on the inside of first ring
Outside first fixed part and the second fixed part on the outside of first ring, first fixed part and the annular top dome
Side connection, second fixed part are connect with the bottom frame；
Second annular diaphragm include the second ring, the third fixed part on the inside of second ring and be located at institute
The 4th fixed part on the outside of the second ring is stated, the third fixed part is connect with the side close to the bottom frame of the skeleton,
4th fixed part is connect with second side plate；
The third annular diaphragm include third ring, the 5th fixed part on the inside of the third ring and be located at institute
The 6th fixed part on the outside of third ring is stated, the 5th fixed part is connected with the top cover, the 6th fixed part and annular
The inside of top dome connects.
As an improvement mode, first ring is that both ends are fixed from first fixed part and described second respectively
Arcuate structure of the portion towards the direction bending protrusion setting far from the bottom frame；
Second ring is both ends respectively from the third fixed part and the 4th fixed part towards the bottom frame
The arcuate structure of direction bending protrusion setting；
The third ring is both ends respectively from the 5th fixed part and the 6th fixed part towards far from the bottom frame
Direction bending protrusion setting arcuate structure.
Embodiment of the present invention includes first annular vibrating diaphragm, the by the way that vibrational system is arranged in terms of existing technologies
Three diaphragm structures of second ring vibrating diaphragm and third annular diaphragm, can make the vibration of vibrational system more balance, effectively reduce
Because of the uneven noise generated of vibration, effectively promotion sound quality；In addition, by above-mentioned connection type, first annular vibrating diaphragm, third
Annular diaphragm, annular top dome, bottom frame and top cover can integrally be enclosed the space of a sealing, guarantee leakproofness.
[Detailed description of the invention]
Fig. 1 is the schematic top plan view of loudspeaker provided in an embodiment of the present invention；
Fig. 2 is Section A-A partial schematic sectional view in Fig. 1；
Fig. 3 is the perspective view of the explosion of loudspeaker provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of top cover provided in an embodiment of the present invention；
Fig. 5 is the perspective view of the explosion of vibrational system provided in an embodiment of the present invention；
Fig. 6 is the perspective view of the explosion of magnetic circuit system provided in an embodiment of the present invention；
Fig. 7 is the connection schematic diagram of voice coil provided in an embodiment of the present invention and skeleton.
[specific embodiment]
The invention will be further described with embodiment with reference to the accompanying drawing.
It should be noted that in the embodiment of the present invention institute it is directional instruction (such as up, down, left, right, before and after, it is interior,
Outside, top, bottom ...) it is only used for explaining and be closed in the relative position under a certain particular pose (as shown in the picture) between each component
System etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
It should also be noted that, when an element is referred to as being " fixed " or " disposed " on another element, which can
Directly on the other element or may be simultaneously present centering elements.When an element referred to as " connects " another yuan
Part, it, which can be, is directly connected to another element or may be simultaneously present centering elements.
Please refer to Fig. 1-7, a kind of loudspeaker 100 provided in an embodiment of the present invention, including frame 10, be mounted in frame 10
Vibrational system 20 and be mounted in frame 10 for driving the magnetic circuit system 30 of 20 vibration sounding of vibrational system.
Frame 10 includes for accommodating the bottom frame 11 of magnetic circuit system 30 and the top cover 12 being fixed on magnetic circuit system 30, bottom frame
11 include bottom plate 111, be convexly equipped in first side plate 112 at 111 edge of bottom plate and be convexly equipped on bottom plate 111 and be located at the first side plate
Second side plate 113 of 112 insides.Second side plate 113 far from bottom plate 111 side to bottom plate 111 distance less than the first side
Distance of the side far from bottom plate 111 of plate 112 to bottom plate 111.Top cover 12 includes top plate 121, is convexly equipped in 121 edge of top plate
Third side plate 122 and the convex block 123 being convexly equipped among top plate 121, the side of the separate top plate 121 of convex block 123 and magnetic circuit system
30 connections.Preferably, bottom plate 111 and top plate 121 are arranged in parallel, and the first side plate 112 and the second side plate 113 are from 111 direction of bottom plate
121 place side of top plate extends, and third side plate 122 extends from the edge of top plate 121 towards 111 place side of bottom plate.
Vibrational system 20 includes first annular vibrating diaphragm 21, the second annular diaphragm 22, third annular diaphragm 23, annular top dome
24, voice coil 25 and skeleton 26, the outside of first annular vibrating diaphragm 21 are connect with the first side plate 112, first annular vibrating diaphragm 21 it is interior
Side is connect with the outside of annular top dome 24, and the outside of the second annular diaphragm 22 is connect with the second side plate 113, and skeleton 26 is from voice coil 25
Lateral wall be connected between the inside of annular top dome 24 and the inside of the second annular diaphragm 22, third annular diaphragm 23
Outside is connect with the inside of annular top dome 24, and the inside of third annular diaphragm 23 is connect with top cover 12, specifically with third side plate 122
Connection.Preferably, first annular vibrating diaphragm 21 and third annular diaphragm 23 are located at the side far from bottom plate 111 of annular top dome 24,
Second annular diaphragm 22 and skeleton 26 are located at the side towards bottom plate 111 of annular top dome 24.It is wrapped by setting vibrational system 20
Three diaphragm structures for including first annular vibrating diaphragm 21, the second annular diaphragm 22 and third annular diaphragm 23, can make vibrational system
20 vibration more balances, and effectively reduces because of the uneven noise generated of vibration, effectively promotion sound quality；In addition, by above-mentioned
Connection type, first annular vibrating diaphragm 21, third annular diaphragm 23, annular top dome 24, bottom frame 11 and 12 entirety of top cover can enclose
The space for forming a sealing is closed, guarantees leakproofness.
First annular vibrating diaphragm 21 includes the first ring 211, the first fixed part 212 positioned at 211 inside of the first ring and position
The second fixed part 213 in 211 outside of the first ring, the first fixed part 212 are connect with the outside of annular top dome 24, and second is fixed
Portion 213 is connect with bottom frame 11, is specifically connect with the first side plate 112；Second annular diaphragm 22 includes the second ring 221, is located at the
The third fixed part 222 and the 4th fixed part 223 on the outside of the second ring 221 of two rings, 221 inside, third fixed part
222 connect with the side close to bottom frame 11 of skeleton 26, and the 4th fixed part 223 is connect with the second side plate 113；Third annular diaphragm
23 include third ring 231, the 5th fixed part 232 positioned at the inside of third ring 231 and the positioned at 231 outside of third ring
Six fixed parts 233, the 5th fixed part 232 are connect with top cover 12, are specifically connect with third side plate 122, the 6th fixed part 233 and ring
The inside of shape top dome 24 connects.
First ring 211 is both ends respectively from the first fixed part 212 and the second fixed part 213 towards the direction far from bottom frame 11
The arcuate structure of bending protrusion setting；Second ring 221 is both ends respectively from 223 court of third fixed part 222 and the 4th fixed part
The arcuate structure of protrusion setting is bent to the direction of bottom frame 11；Third ring 231 is both ends respectively from the 5th fixed part 232 and the
Arcuate structure of six fixed parts 233 towards the direction bending protrusion setting far from bottom frame 11.
Voice coil 25 is movable to be sheathed on outside convex block 123.
Skeleton 26 is connected to annular interconnecting piece with several including the annular interconnecting piece 261 that interval is surrounded on 25 periphery of voice coil
Rib 262 between 261 and voice coil 25, the bottom of annular interconnecting piece 261 are connect with the inside of the second annular diaphragm 22, and annular is even
The top of socket part 261 is connect with the inside of annular top dome 24.With the set-up mode, skeleton 26 and annular top dome 24 and second are annular
Vibrating diaphragm 22 all has biggish connection area, and the connection of skeleton 26 and annular top dome 24 and the second annular diaphragm 22 is more firm,
In this way, when voice coil 25 drives annular top dome 24 and 22 high-frequency vibration of the second annular diaphragm or violent oscillatory motion by skeleton 26
When, skeleton 26 and the junction of annular top dome 24 and the second annular diaphragm 22 are less likely to occur to be broken.
Annular interconnecting piece 261 includes inner ring surface 263 and outer ring surface 264, and annular interconnecting piece 261 is offered through inner ring surface
263 and outer ring surface 264 through-hole 265, which is used for wearing for the outside line that connect with voice coil 25.
The side towards third side plate 122 of each rib 262 is recessed with the evacuation notch for avoiding third side plate 122
266.The stroke of the vibration of voice coil 25 can effectively be increased by the way that the evacuation notch 266 is arranged, to promote the function of loudspeaker 100
Rate.
There are four rib 262 is set, four ribs 262 are divided to two groups of two opposite sides for being respectively arranged at voice coil 25.Pass through setting
Four ribs 262 are divided into two groups of two opposite sides for being respectively arranged at voice coil 25, and voice coil 25 can pass through four ribs 262 and annular
Interconnecting piece 261 will vibrate Transmit evenly to annular top dome 24, so that vibrational system 20 vibrates equilibrium, promote sound quality.It can manage
Xie Di, rib 262 are not limited to be equipped with four, and rib 262 is equipped with two, six and any other number is also possible,
As long as voice coil 25 can drive first annular vibrating diaphragm 21, the second annular diaphragm 22 and third annular diaphragm 23 to shake by skeleton 26
Dynamic sounding.
Magnetic circuit system 30 is located at the inside of the second annular diaphragm 122.By the way that magnetic circuit system 30 is arranged to be located at the second ring
The inside of shape vibrating diaphragm 122, vibrational system 20 will not be caused to hinder, can substantially be mentioned on the direction of vibration of voice coil 25 to voice coil 25
Effective oscillation space of high voice coil 25 promotes the power of loudspeaker 100, and is convenient for the optimization design of magnetic circuit system 30.
Magnetic circuit system 30 includes the main magnet steel for being installed on the magnetic conductive board 31 among bottom frame 111, being set among magnetic conductive board 31
32, four separate magnetic conductions for being set on magnetic conductive board 31 and surrounding the secondary magnet steel 33 of main magnet steel 32 setting, be attached at main magnet steel 32
The main pole core 34 of 31 side of plate and four are attached at the consequent pole core 35 far from 31 side of magnetic conductive board of four secondary magnet steel 33 respectively, main
Magnet steel 32 and the setting of the secondary interval of magnet steel 33, voice coil 25 is movable to be sheathed on outside main magnet steel 32.It is to be appreciated that secondary magnet steel 33 not office
There are four being limited to set, such as there are two secondary magnet steel 33 sets, two secondary magnet steel 33 are respectively arranged at the two opposite sides of main magnet steel 32
It is possible.
The centre of bottom plate 111 offers through-hole 114, and magnetic conductive board 31 is embedded in through-hole 114.Due to 100 size of loudspeaker
Limitation, the distance that bottom plate 111 arrives annular top dome 24 is limited, by opening up through-hole 114 on bottom plate 111, magnetic conductive board 31 is embedding
In through-hole 114, it can reduce magnetic conductive board 31 and occupy the distance that bottom plate 111 arrives annular top dome 24, so as to increase voice coil
25 effective oscillation space, improves the power of loudspeaker 100.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (10)
1. a kind of loudspeaker, magnetic circuit system including vibrational system, for driving the vibrational system vibration sounding and it is used for
The frame installed for the vibrational system and the magnetic circuit system, which is characterized in that the frame includes for accommodating the magnetic
The bottom frame of road system and the top cover being fixed on the magnetic circuit system, the bottom frame include bottom plate, are convexly equipped in the bottom edge
The first side plate and be convexly equipped on the bottom plate and be located at the second side plate of first side plate interior sides, the vibrational system packet
Include first annular vibrating diaphragm, the second annular diaphragm, third annular diaphragm, annular top dome, voice coil and skeleton, the first annular vibration
The outside of film is connect with first side plate, and the inside of the first annular vibrating diaphragm is connect with the outside of the annular top dome, institute
The outside for stating the second annular diaphragm is connect with second side plate, and the skeleton is connected to institute from the lateral wall of the voice coil
It states between the inside of annular top dome and the inside of second annular diaphragm, the outside of the third annular diaphragm and the annular
The inside of top dome connects, and is connected with the top cover on the inside of the third annular diaphragm.
2. loudspeaker according to claim 1, which is characterized in that the magnetic circuit system is located at second annular diaphragm
Inside.
3. loudspeaker according to claim 2, which is characterized in that the magnetic circuit system includes being installed among the bottom frame
Magnetic conductive board, be set among the magnetic conductive board main magnet steel, four be set on the magnetic conductive board and around the main magnet steel
The secondary magnet steel of setting, be attached at the main magnet steel far from the magnetic conductive board side main pole core and four be attached at four respectively
The consequent pole core far from the magnetic conductive board side of the pair magnet steel, the main magnet steel and the secondary magnet steel interval setting, the sound
Enclose movable be sheathed on outside the main magnet steel.
4. loudspeaker according to claim 3, which is characterized in that opened up on the bottom plate positioned at second side plate interior sides
Through-hole, the magnetic conductive board is embedded in the through-hole.
5. loudspeaker according to claim 1, which is characterized in that the top cover includes top plate, is convexly equipped in the top plate
Between convex block and be convexly equipped in the third side plate of the ceiling edge, the side far from the top plate of the convex block and the magnetic circuit
System connection, the inside of second annular diaphragm connect with the third side plate, the voice coil is movable be sheathed on it is described convex
Outside block.
6. loudspeaker according to claim 5, which is characterized in that the skeleton includes that interval is surrounded on the voice coil periphery
Annular interconnecting piece and several be connected to the rib between the annular interconnecting piece and the voice coil, the annular interconnecting piece
Bottom is connect with the inside of second annular diaphragm, is connected on the inside of the top of the annular interconnecting piece and the annular top dome
It connects.
7. loudspeaker according to claim 6, which is characterized in that each rib towards the one of the third side plate
Side is recessed with the evacuation notch for avoiding the third side plate.
8. loudspeaker according to claim 6, which is characterized in that there are four the rib is set, four ribs are divided to two
Group is respectively arranged at the two opposite sides of the voice coil.
9. loudspeaker according to claim 1-8, which is characterized in that the first annular vibrating diaphragm includes the first folding
Ring, the first fixed part on the inside of first ring and the second fixed part on the outside of first ring, described
One fixed part is connect with the outside of the annular top dome, and second fixed part is connect with the bottom frame；
Second annular diaphragm includes the second ring, the third fixed part on the inside of second ring and is located at described the
The 4th fixed part on the outside of two rings, the third fixed part is connect with the side close to the bottom frame of the skeleton, described
4th fixed part is connect with second side plate；
The third annular diaphragm includes third ring, the 5th fixed part on the inside of the third ring and is located at described the
The 6th fixed part on the outside of three rings, the 5th fixed part are connected with the top cover, the 6th fixed part and annular top dome
Inside connection.
10. loudspeaker according to claim 9, which is characterized in that first ring is both ends respectively from described first
The arcuate structure that fixed part and second fixed part are arranged towards the direction bending protrusion far from the bottom frame；
Second ring is both ends respectively from the third fixed part and the 4th fixed part towards the direction of the bottom frame
The arcuate structure of bending protrusion setting；
The third ring is both ends respectively from the 5th fixed part and the 6th fixed part towards the side far from the bottom frame
To the arcuate structure of bending protrusion setting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910387728 | 2019-05-10 | ||
| CN2019103877287 | 2019-05-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110149580A true CN110149580A (en) | 2019-08-20 |
| CN110149580B CN110149580B (en) | 2021-02-12 |
Family
ID=67450376
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910462108.5A Expired - Fee Related CN110149579B (en) | 2019-05-10 | 2019-05-30 | Magnetic circuit system and loudspeaker using same |
| CN201910487407.4A Active CN110099341B (en) | 2019-05-10 | 2019-06-05 | Loudspeaker |
| CN201910487405.5A Active CN110149580B (en) | 2019-05-10 | 2019-06-05 | Loudspeaker |
| CN201910488209.XA Expired - Fee Related CN110166910B (en) | 2019-05-10 | 2019-06-05 | Loudspeaker |
| CN201911379696.2A Active CN111510827B (en) | 2019-05-10 | 2019-12-27 | Sound production device |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910462108.5A Expired - Fee Related CN110149579B (en) | 2019-05-10 | 2019-05-30 | Magnetic circuit system and loudspeaker using same |
| CN201910487407.4A Active CN110099341B (en) | 2019-05-10 | 2019-06-05 | Loudspeaker |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910488209.XA Expired - Fee Related CN110166910B (en) | 2019-05-10 | 2019-06-05 | Loudspeaker |
| CN201911379696.2A Active CN111510827B (en) | 2019-05-10 | 2019-12-27 | Sound production device |
Country Status (2)
| Country | Link |
|---|---|
| CN (5) | CN110149579B (en) |
| WO (5) | WO2020227956A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111901732A (en) * | 2020-06-24 | 2020-11-06 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2021128332A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021232475A1 (en) * | 2020-05-20 | 2021-11-25 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2022000519A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2022006965A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020227956A1 (en) * | 2019-05-10 | 2020-11-19 | 瑞声声学科技(深圳)有限公司 | Magnetic circuit system and a loudspeaker using same |
| CN111405422B (en) * | 2019-11-21 | 2021-11-12 | 瑞声科技(新加坡)有限公司 | Sound production device |
| WO2021128048A1 (en) * | 2019-12-25 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021128330A1 (en) * | 2019-12-27 | 2021-07-01 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| WO2021134185A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| WO2021134184A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound emission device |
| CN212034339U (en) * | 2020-05-20 | 2020-11-27 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| CN212785823U (en) * | 2020-07-06 | 2021-03-23 | 瑞声科技(新加坡)有限公司 | Sounding device |
| CN112165675B (en) * | 2020-10-22 | 2021-09-24 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker |
| CN112511958B (en) * | 2020-12-18 | 2021-11-16 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound producing device |
| CN213846499U (en) * | 2020-12-30 | 2021-07-30 | 歌尔股份有限公司 | Exciter and electronic product |
| CN114866924A (en) * | 2022-05-07 | 2022-08-05 | 歌尔股份有限公司 | Sound production device and electronic terminal |
| CN116887145B (en) * | 2023-08-10 | 2024-01-26 | 汉得利（常州）电子股份有限公司 | Magnetic circuit structure and double-sided loudspeaker |
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| WO2022000519A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| WO2022006965A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020228081A1 (en) | 2020-11-19 |
| WO2020228080A1 (en) | 2020-11-19 |
| CN110166910A (en) | 2019-08-23 |
| CN110149580B (en) | 2021-02-12 |
| WO2020228079A1 (en) | 2020-11-19 |
| WO2020227956A1 (en) | 2020-11-19 |
| CN110149579B (en) | 2021-08-10 |
| CN111510827B (en) | 2021-12-24 |
| CN110099341B (en) | 2021-07-09 |
| CN110099341A (en) | 2019-08-06 |
| CN111510827A (en) | 2020-08-07 |
| CN110149579A (en) | 2019-08-20 |
| CN110166910B (en) | 2021-01-08 |
| WO2020228341A1 (en) | 2020-11-19 |
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