CN110149580B - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
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- CN110149580B CN110149580B CN201910487405.5A CN201910487405A CN110149580B CN 110149580 B CN110149580 B CN 110149580B CN 201910487405 A CN201910487405 A CN 201910487405A CN 110149580 B CN110149580 B CN 110149580B
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- annular
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- fixing part
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- loudspeaker
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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
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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
- H04R9/02—Details
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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
- H04R9/02—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 invention provides a loudspeaker, which comprises a basin frame, a vibration system and a magnetic circuit system, wherein the basin frame comprises a bottom frame used for accommodating the magnetic circuit system and a top cover fixed on the magnetic circuit system, the vibration system comprises a first annular vibration film, a second annular vibration film, a third annular vibration film, an annular dome, a voice coil and a framework, the outer side of the first annular vibration film is connected with a first side plate, the inner side of the first annular vibration film is connected with the outer side of the annular dome, the outer side of the second annular vibration film is connected with a second side plate, the framework extends from the outer side wall of the voice coil to be connected between the inner side of the annular dome and the inner side of the second annular vibration film, the outer side of the third annular vibration film is connected with the inner side of the annular dome, and the. The loudspeaker provided by the invention has the advantages that the vibration system is arranged and adopts the three-diaphragm structure, so that the vibration of the vibration system is more balanced, the noise caused by vibration unbalance is effectively reduced, and the tone quality is effectively improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of acoustic design, in particular to a loudspeaker.
[ background of the invention ]
With the advent of the mobile internet age, the number of smart mobile devices is increasing. Among many mobile devices, a mobile phone is undoubtedly the most common mobile terminal device. At present, mobile phones have various functions, one of which is a high-quality music function, and a speaker in the mobile phone is one of the necessary conditions for realizing the high-quality function.
The existing loudspeaker comprises a basin frame, a vibration system and a magnetic circuit system, wherein the vibration system and the magnetic circuit system are installed on the basin frame, the vibration system comprises a vibrating diaphragm, an annular ball top, a framework and a voice coil, the annular ball top is connected with the vibrating diaphragm, and the voice coil is connected with the annular ball top through the framework in the vibration direction so as to drive the vibrating diaphragm to vibrate and produce sound. The structure of the existing loudspeaker adopts the design mode of a single diaphragm, so that the vibration of a vibration system is unbalanced, and more noise exists.
Therefore, it is necessary to develop a new speaker to solve the above problems.
[ summary of the invention ]
The invention aims to provide a loudspeaker, which can enable the vibration of a vibration system to be more balanced, effectively reduce noise caused by vibration imbalance and effectively improve the tone quality.
The purpose of the invention is realized by adopting the following technical scheme:
a loudspeaker comprises a vibration system, a magnetic circuit system for driving the vibration system to vibrate and generate sound and a frame for mounting the vibration system and the magnetic circuit system, wherein the frame comprises a bottom frame for accommodating the magnetic circuit system and a top cover fixed on the magnetic circuit system, the bottom frame comprises a bottom plate, a first side plate convexly arranged at the edge of the bottom plate and a second side plate convexly arranged on the bottom plate and positioned at the inner side of the first side plate, the vibration system comprises a first annular vibrating diaphragm, a second annular vibrating diaphragm, a third annular vibrating diaphragm, an annular dome, a voice coil and a framework, the outer side of the first annular vibrating diaphragm is connected with the first side plate, the inner side of the first annular vibrating diaphragm is connected with the outer side of the annular dome, the outer side of the second annular vibrating diaphragm is connected with the second side plate, and the framework extends from the outer side wall of the outer ring to be connected between the inner side of the annular dome and the inner side of the second annular vibrating diaphragm, the outer side of the third annular vibrating diaphragm is connected with the inner side of the annular dome, and the inner side of the third annular vibrating diaphragm is connected with the top cover.
As a modification, the magnetic circuit system is located inside the second annular diaphragm.
As an improvement, the magnetic circuit system includes a magnetic conduction plate installed in the middle of the bottom frame, a main magnetic steel arranged in the middle of the magnetic conduction plate, four auxiliary magnetic steels arranged on the magnetic conduction plate and surrounding the main magnetic steel, a main pole core attached to one side of the main magnetic steel far away from the magnetic conduction plate, and four auxiliary pole cores attached to one side of the four auxiliary magnetic steels far away from the magnetic conduction plate, respectively, the main magnetic steel and the auxiliary magnetic steels are arranged at intervals, and the voice coil is movably sleeved outside the main magnetic steel.
As an improved mode, the bottom plate is provided with a through hole positioned on the inner side of the second side plate, and the magnetic conduction plate is embedded in the through hole.
As an improvement, the top cover includes a top plate, a protrusion protruding from the middle of the top plate, and a third side plate protruding from the edge of the top plate, one side of the protrusion away from the top plate is connected to the magnetic circuit system, the inner side of the second annular diaphragm is connected to the third side plate, and the voice coil is movably sleeved outside the protrusion.
As an improvement mode, the skeleton include the interval encircle in the annular connecting portion and a plurality of voice coil loudspeaker voice coil periphery connect in annular connecting portion with rib between the voice coil loudspeaker voice coil, the bottom of annular connecting portion with the inboard of second annular vibrating diaphragm is connected, the top of annular connecting portion with the inboard of annular ball top is connected.
As an improved mode, an avoiding notch for avoiding the third side plate is concavely arranged on one side of each rib facing the third side plate.
As an improvement, the number of the ribs is four, and the four ribs are respectively arranged on two opposite sides of the voice coil in two groups.
As an improvement, the first annular diaphragm includes a first folding ring, a first fixing portion located inside the first folding ring, and a second fixing portion located outside the first folding ring, the first fixing portion is connected to the outside of the annular dome, and the second fixing portion is connected to the bottom frame;
the second annular diaphragm comprises a second folding ring, a third fixing part and a fourth fixing part, the third fixing part is located on the inner side of the second folding ring, the fourth fixing part is located on the outer side of the second folding ring, the third fixing part is connected with one side, close to the bottom frame, of the framework, and the fourth fixing part is connected with the second side plate;
the third annular vibrating diaphragm comprises a third folding ring, a fifth fixing part and a sixth fixing part, the fifth fixing part is located on the inner side of the third folding ring, the sixth fixing part is located on the outer side of the third folding ring, the fifth fixing part is connected with the top cover, and the sixth fixing part is connected with the inner side of the annular dome.
As an improvement, the first folding ring is an arc-shaped structure with two ends respectively bent and convexly arranged from the first fixing part and the second fixing part towards the direction far away from the bottom frame;
the second folding ring is of an arc-shaped structure with two ends respectively bent and convexly arranged from the third fixing part and the fourth fixing part towards the bottom frame;
the third folding ring is of an arc-shaped structure with two ends respectively bent and convexly arranged from the fifth fixing part and the sixth fixing part towards the direction far away from the bottom frame.
Compared with the prior art, the vibration system comprises the three-ring vibration diaphragm structure with the first ring-shaped vibration diaphragm, the second ring-shaped vibration diaphragm and the third ring-shaped vibration diaphragm, so that the vibration of the vibration system is more balanced, noise caused by vibration imbalance is effectively reduced, and the tone quality is effectively improved; in addition, through foretell connected mode, first annular vibrating diaphragm, third annular vibrating diaphragm, annular dome, underframe and top cap are whole can enclose to close and form a sealed space, guarantee the leakproofness.
[ description of the drawings ]
Fig. 1 is a schematic top view of a speaker according to an embodiment of the present invention;
FIG. 2 is a schematic partial cross-sectional view of section A-A of FIG. 1;
fig. 3 is an exploded view of a speaker according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a top cover according to an embodiment of the present invention;
FIG. 5 is an exploded view of a vibration system provided by an embodiment of the present invention;
fig. 6 is an exploded view of a magnetic circuit system according to an embodiment of the present invention;
fig. 7 is a schematic diagram of connection between a voice coil and a bobbin according to an embodiment of the present invention.
[ detailed description ] embodiments
The invention is further described with reference to the following figures and embodiments.
It should be noted that all directional indicators (such as upper, lower, left, right, front, back, inner, outer, top, bottom … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Referring to fig. 1 to 7, a speaker 100 according to an embodiment of the present invention includes a frame 10, a vibration system 20 mounted on the frame 10, and a magnetic circuit system 30 mounted on the frame 10 for driving the vibration system 20 to vibrate and generate sound.
The basin stand 10 comprises a bottom frame 11 for accommodating the magnetic circuit system 30 and a top cover 12 fixed on the magnetic circuit system 30, wherein the bottom frame 11 comprises a bottom plate 111, a first side plate 112 protruding from the edge of the bottom plate 111, and a second side plate 113 protruding from the bottom plate 111 and located inside the first side plate 112. The distance from the side of the second side plate 113 far away from the bottom plate 111 to the bottom plate 111 is smaller than the distance from the side of the first side plate 112 far away from the bottom plate 111 to the bottom plate 111. The top cover 12 includes a top plate 121, a third side plate 122 protruding from an edge of the top plate 121, and a protrusion 123 protruding from the middle of the top plate 121, wherein a side of the protrusion 123 away from the top plate 121 is connected to the magnetic circuit system 30. Preferably, the bottom plate 111 and the top plate 121 are disposed in parallel, the first side plate 112 and the second side plate 113 extend from the bottom plate 111 toward the side of the top plate 121, and the third side plate 122 extends from the edge of the top plate 121 toward the side of the bottom plate 111.
The vibration system 20 includes a first annular vibration diaphragm 21, a second annular vibration diaphragm 22, a third annular vibration diaphragm 23, an annular dome 24, a voice coil 25 and a framework 26, the outside of the first annular vibration diaphragm 21 is connected with the first side plate 112, the inside of the first annular vibration diaphragm 21 is connected with the outside of the annular dome 24, the outside of the second annular vibration diaphragm 22 is connected with the second side plate 113, the framework 26 extends from the outer side wall of the voice coil 25 to be connected between the inside of the annular dome 24 and the inside of the second annular vibration diaphragm 22, the outside of the third annular vibration diaphragm 23 is connected with the inside of the annular dome 24, the inside of the third annular vibration diaphragm 23 is connected with the top cover 12, and is particularly connected with the third side plate 122. Preferably, the first annular diaphragm 21 and the third annular diaphragm 23 are located on the side of the annular dome 24 away from the bottom plate 111, and the second annular diaphragm 22 and the skeleton 26 are located on the side of the annular dome 24 toward the bottom plate 111. By arranging the three-ring vibration diaphragm structure of the vibration system 20 comprising the first ring-shaped vibration diaphragm 21, the second ring-shaped vibration diaphragm 22 and the third ring-shaped vibration diaphragm 23, the vibration of the vibration system 20 can be more balanced, noise caused by vibration imbalance can be effectively reduced, and the tone quality can be effectively improved; in addition, through the above connection manner, the first ring-shaped diaphragm 21, the third ring-shaped diaphragm 23, the ring-shaped dome 24, the bottom frame 11 and the top cover 12 may be integrally enclosed to form a sealed space, so as to ensure the sealing performance.
The first annular diaphragm 21 includes a first folding ring 211, a first fixing portion 212 located inside the first folding ring 211, and a second fixing portion 213 located outside the first folding ring 211, the first fixing portion 212 is connected to the outside of the annular dome 24, and the second fixing portion 213 is connected to the bottom frame 11, specifically to the first side plate 112; the second annular diaphragm 22 includes a second folding ring 221, a third fixing portion 222 located inside the second folding ring 221, and a fourth fixing portion 223 located outside the second folding ring 221, the third fixing portion 222 is connected to one side of the frame 26 close to the bottom frame 11, and the fourth fixing portion 223 is connected to the second side plate 113; the third annular diaphragm 23 includes a third folding ring 231, a fifth fixing portion 232 located inside the third folding ring 231, and a sixth fixing portion 233 located outside the third folding ring 231, the fifth fixing portion 232 is connected to the top cover 12, specifically to the third side plate 122, and the sixth fixing portion 233 is connected to the inside of the annular dome 24.
The first folding ring 211 is an arc structure with two ends respectively bending and protruding from the first fixing part 212 and the second fixing part 213 towards the direction far away from the bottom frame 11; the second folding ring 221 is an arc-shaped structure with two ends respectively bending and protruding from the third fixing portion 222 and the fourth fixing portion 223 toward the bottom frame 11; the third folding ring 231 has an arc structure with two ends respectively bending and protruding from the fifth fixing portion 232 and the sixth fixing portion 233 toward a direction away from the bottom frame 11.
The voice coil 25 is movably sleeved outside the protrusion 123.
The bobbin 26 includes an annular connection portion 261 surrounding the outer circumference of the voice coil 25 at an interval and a plurality of ribs 262 connected between the annular connection portion 261 and the voice coil 25, the bottom of the annular connection portion 261 is connected to the inner side of the second annular diaphragm 22, and the top of the annular connection portion 261 is connected to the inner side of the annular dome 24. With this mode of setting up, skeleton 26 and annular dome 24 and second annular vibrating diaphragm 22 all have great connection area, and the connection of skeleton 26 and annular dome 24 and second annular vibrating diaphragm 22 is more firm, like this, when voice coil 25 drives annular dome 24 and second annular vibrating diaphragm 22 high-frequency vibration or when vibrating by a wide margin through skeleton 26, the fracture is difficult to take place for the junction of skeleton 26 and annular dome 24 and second annular vibrating diaphragm 22.
The annular connection portion 261 includes an inner annular surface 263 and an outer annular surface 264, and the annular connection portion 261 is provided with a through hole 265 penetrating the inner annular surface 263 and the outer annular surface 264, and the through hole 265 is used for passing an external circuit connected to the voice coil 25.
An escape notch 266 for escaping the third side plate 122 is concavely provided on one side of each rib 262 facing the third side plate 122. The avoidance gap 266 can effectively increase the vibration stroke of the voice coil 25, thereby increasing the power of the speaker 100.
The four ribs 262 are provided, and the four ribs 262 are respectively provided on two opposite sides of the voice coil 25 in two groups. Divide into two sets of setings respectively in the double-phase offside of voice coil 25 through setting up four ribs 262, voice coil 25 can transmit the vibration for annular dome 24 through four ribs 262 and annular connecting portion 261 evenly for vibration system 20 vibrates the equilibrium, promotes tone quality. It should be understood that the number of the ribs 262 is not limited to four, and two, six, or any other number of the ribs 262 may be provided, as long as the voice coil 25 can drive the first annular diaphragm 21, the second annular diaphragm 22, and the third annular diaphragm 23 to vibrate and generate sound through the framework 26.
The magnetic circuit system 30 is located inside the second annular diaphragm 122. By setting magnetic circuit 30 to be located inside second annular diaphragm 122, vibration system 20 does not cause an obstruction to voice coil 25 in the vibration direction of voice coil 25, can improve the effective vibration space of voice coil 25 by a wide margin, promotes the power of loudspeaker 100, and is convenient for magnetic circuit 30's optimal design.
The magnetic circuit system 30 includes a magnetic conduction plate 31 installed in the middle of the bottom frame 111, a main magnetic steel 32 installed in the middle of the magnetic conduction plate 31, four auxiliary magnetic steels 33 installed on the magnetic conduction plate 31 and surrounding the main magnetic steel 32, a main pole core 34 attached to one side of the main magnetic steel 32 away from the magnetic conduction plate 31, and four auxiliary pole cores 35 attached to one sides of the four auxiliary magnetic steels 33 away from the magnetic conduction plate 31, the main magnetic steel 32 and the auxiliary magnetic steels 33 are arranged at intervals, and the voice coil 25 is movably sleeved outside the main magnetic steel 32. It is understood that the number of the secondary magnetic steels 33 is not limited to four, for example, two secondary magnetic steels 33 are provided, and it is also possible that two secondary magnetic steels 33 are respectively provided on two opposite sides of the primary magnetic steel 32.
The middle of the bottom plate 111 is provided with a through hole 114, and the magnetic conduction plate 31 is embedded in the through hole 114. Due to the limitation of the size of the loudspeaker 100, the distance from the bottom plate 111 to the annular dome 24 is limited, and the through hole 114 is formed in the bottom plate 111, so that the magnetic conduction plate 31 is embedded in the through hole 114, the distance from the bottom plate 111 to the annular dome 24 occupied by the magnetic conduction plate 31 can be reduced, the effective vibration space of the voice coil 25 can be enlarged, and the power of the loudspeaker 100 is improved.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a loudspeaker, including vibration system, be used for the drive vibration system vibrates the magnetic circuit of sound production and is used for supplying vibration system with the basin frame of magnetic circuit installation, a serial communication port, the basin frame is including being used for acceping magnetic circuit's underframe and being fixed in top cap on the magnetic circuit, the underframe includes the bottom plate, protruding locating the first curb plate and protruding locating of bottom plate edge on the bottom plate and lie in the inboard second curb plate of first curb plate, vibration system includes first annular vibrating diaphragm, second annular vibrating diaphragm, third annular vibrating diaphragm, annular dome, voice coil loudspeaker voice coil and skeleton, the outside of first annular vibrating diaphragm with first curb plate is connected, the inboard of first annular vibrating diaphragm with the outside of annular dome is connected, the outside of second annular vibrating diaphragm with the second curb plate is connected, the skeleton follow the lateral wall extension of voice coil loudspeaker voice coil connect in the inboard of annular dome with the inboard of second annular dome with the lateral wall extension of second annular dome Between the inboard of vibrating diaphragm, the outside of third annular vibrating diaphragm with the inboard of annular dome is connected, the inboard of third annular vibrating diaphragm with the top cap is connected.
2. A loudspeaker according to claim 1, wherein the magnetic circuit is located on the inside of the second annular diaphragm.
3. The loudspeaker of claim 2, wherein the magnetic circuit system comprises a magnetic conductive plate mounted in the middle of the bottom frame, a main magnetic steel disposed in the middle of the magnetic conductive plate, four sub magnetic steels disposed on the magnetic conductive plate and surrounding the main magnetic steel, a main pole core attached to one side of the main magnetic steel away from the magnetic conductive plate, and four sub pole cores attached to one sides of the four sub magnetic steels away from the magnetic conductive plate, the main magnetic steel and the sub magnetic steel being spaced apart from each other, and the voice coil being movably sleeved outside the main magnetic steel.
4. The loudspeaker of claim 3, wherein the bottom plate is provided with a through hole positioned at the inner side of the second side plate, and the magnetic conductive plate is embedded in the through hole.
5. The loudspeaker of claim 1, wherein the top cover comprises a top plate, a protrusion protruding from the middle of the top plate, and a third side plate protruding from the edge of the top plate, one side of the protrusion away from the top plate is connected to the magnetic circuit system, the inner side of the second annular diaphragm is connected to the third side plate, and the voice coil is movably sleeved outside the protrusion.
6. The loudspeaker of claim 5, wherein the frame comprises an annular connecting portion surrounding the periphery of the voice coil at intervals and a plurality of ribs connected between the annular connecting portion and the voice coil, the bottom of the annular connecting portion is connected with the inner side of the second annular diaphragm, and the top of the annular connecting portion is connected with the inner side of the annular dome.
7. The loudspeaker of claim 6, wherein each rib is recessed with an escape notch on a side facing the third side plate for escaping from the third side plate.
8. The speaker of claim 6, wherein four of said ribs are provided, and said four ribs are provided in two groups on opposite sides of said voice coil.
9. The loudspeaker according to any one of claims 1 to 8, wherein the first ring-shaped diaphragm includes a first edge, a first fixing portion located inside the first edge, and a second fixing portion located outside the first edge, the first fixing portion being connected to an outside of the ring-shaped dome, the second fixing portion being connected to the bottom frame;
the second annular diaphragm comprises a second folding ring, a third fixing part and a fourth fixing part, the third fixing part is located on the inner side of the second folding ring, the fourth fixing part is located on the outer side of the second folding ring, the third fixing part is connected with one side, close to the bottom frame, of the framework, and the fourth fixing part is connected with the second side plate;
the third annular vibrating diaphragm comprises a third folding ring, a fifth fixing part and a sixth fixing part, the fifth fixing part is located on the inner side of the third folding ring, the sixth fixing part is located on the outer side of the third folding ring, the fifth fixing part is connected with the top cover, and the sixth fixing part is connected with the inner side of the annular dome.
10. The loudspeaker of claim 9, wherein the first edge is an arc-shaped structure with two ends respectively bending and protruding from the first fixing portion and the second fixing portion towards a direction away from the bottom frame;
the second folding ring is of an arc-shaped structure with two ends respectively bent and convexly arranged from the third fixing part and the fourth fixing part towards the bottom frame;
the third folding ring is of an arc-shaped structure with two ends respectively bent and convexly arranged from the fifth fixing part and the sixth fixing part towards the direction far away from the bottom frame.
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 CN110149580A (en) | 2019-08-20 |
| CN110149580B true CN110149580B (en) | 2021-02-12 |
Family
ID=67450376
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910462108.5A Active CN110149579B (en) | 2019-05-10 | 2019-05-30 | Magnetic circuit system and loudspeaker using same |
| CN201910487405.5A Active CN110149580B (en) | 2019-05-10 | 2019-06-05 | Loudspeaker |
| CN201910487407.4A Active CN110099341B (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 (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910462108.5A Active CN110149579B (en) | 2019-05-10 | 2019-05-30 | Magnetic circuit system and loudspeaker using same |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910487407.4A Active CN110099341B (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 |
Country Status (2)
| Country | Link |
|---|---|
| CN (5) | CN110149579B (en) |
| WO (5) | WO2020227956A1 (en) |
Families Citing this family (17)
| 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 |
| WO2021128332A1 (en) * | 2019-12-27 | 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 |
| WO2021134184A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound emission device |
| WO2021134185A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound production device |
| CN212034341U (en) * | 2020-05-20 | 2020-11-27 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| CN212034339U (en) * | 2020-05-20 | 2020-11-27 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| CN111901732B (en) * | 2020-06-24 | 2021-04-27 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN212486779U (en) * | 2020-06-30 | 2021-02-05 | 瑞声科技(新加坡)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 |
| CN213462308U (en) * | 2020-07-06 | 2021-06-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| 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 |
| 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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| WO2020228079A1 (en) | 2020-11-19 |
| CN110166910A (en) | 2019-08-23 |
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