CN214101748U - Sound producing device - Google Patents
Sound producing device Download PDFInfo
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- CN214101748U CN214101748U CN202023060430.2U CN202023060430U CN214101748U CN 214101748 U CN214101748 U CN 214101748U CN 202023060430 U CN202023060430 U CN 202023060430U CN 214101748 U CN214101748 U CN 214101748U
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- vibrating diaphragm
- skeleton
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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
- H04R7/16—Mounting or tensioning of diaphragms or cones
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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
- H04R9/04—Construction, mounting, or centering of coil
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a sound generating device, including outer becket, the rigid coupling is in the vibration system of outer becket and the magnetic circuit that has the magnetic gap, vibration system is including the vibrating diaphragm that is fixed in outer becket, be fixed in the vibrating diaphragm towards the skeleton of magnetic circuit one side and insert the voice coil loudspeaker voice coil that locates the magnetic gap through the skeleton, the vibrating diaphragm encircles the second vibrating diaphragm of first vibrating diaphragm including the first vibrating diaphragm that is located the intermediate position and interval, first vibrating diaphragm of skeleton connection and second vibrating diaphragm, the outward flange of second vibrating diaphragm is fixed in outer becket, the vibrating diaphragm still includes and presss from both sides the ball top of locating between first vibrating diaphragm and skeleton along the vibration direction, ball top and first vibrating diaphragm and skeleton hot pressing integrated into one piece. The utility model discloses a sound production device simplifies the assembly process of an automatic line, shortens the production period and improves the production efficiency; meanwhile, the vibration quality is reduced, the sound quality of the sound generating device is improved, and the medium-frequency sensitivity is also improved.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an acoustoelectric field especially relates to a sound generating mechanism.
[ background of the invention ]
The prior art sound generating device mainly comprises: a magnetic circuit system, a vibration system and an outer metal ring for accommodating and fixing the magnetic circuit system and the vibration system. The assembly process of the sound generating device comprises a step of ball top rear glue, wherein after the step of integrally forming the first vibrating diaphragm and the second vibrating diaphragm respectively, the step of ball top rear glue is carried out, namely the ball top is bonded on the framework, and two side edges of the ball top are respectively abutted against the first vibrating diaphragm and the second vibrating diaphragm; more specifically, the inner side edge of the dome abuts against the first vibrating diaphragm, and the outer side edge of the dome abuts against the second vibrating diaphragm. The sound production principle of the sound production device is that the voice coil loudspeaker voice coil drives the vibrating diaphragm and the ball top through the skeleton to vibrate the sound together, and in the past, the power and the amplitude of the sound production device during operation can influence the bonding strength of the ball top, so that the vibration quality of the sound production device is poor.
Therefore, there is a need to provide a new sound generating device to solve the above technical problems.
[ Utility model ] content
The utility model aims to provide a sound production device, which simplifies the automatic line assembly process, shortens the production period and improves the production efficiency; meanwhile, the product quality is reduced, and the sound quality of the sound production device is improved.
The technical scheme of the utility model as follows: the utility model provides a sound generating mechanism, including outer becket, rigid coupling in the vibration system of outer becket and the magnetic circuit that has the magnetic gap, vibration system is including being fixed in the vibrating diaphragm of outer becket, being fixed in the vibrating diaphragm orientation the skeleton of magnetic circuit one side and pass through the skeleton is inserted and is located the voice coil loudspeaker voice coil in magnetic gap, the vibrating diaphragm encircles including the first vibrating diaphragm and the interval that are located the intermediate position the second vibrating diaphragm of first vibrating diaphragm, the skeleton coupling first vibrating diaphragm with the second vibrating diaphragm, the outward flange of second vibrating diaphragm is fixed in outer becket, its characterized in that, the vibrating diaphragm still includes to press from both sides along the vibration direction and locates first vibrating diaphragm with the ball top between the skeleton, the ball top with first vibrating diaphragm with skeleton hot pressing integrated into one piece.
The utility model discloses an optional embodiment, the skeleton include with vibrating diaphragm fixed connection's skeleton main part, the skeleton main part include with the fixed main part of second vibrating diaphragm, certainly main part inward flange orientation the lateral wall that magnetic circuit buckled and extends and certainly the lateral wall is kept away from the one end of main part is to keeping away from the diapire that the direction level of lateral wall extends, lateral wall and diapire enclose to establish and form the fixed slot, the ball top accept in the fixed slot.
In an optional embodiment of the present invention, the side wall extends from the inner edge of the main body toward the magnetic circuit and bends along the vibration direction, and the top of the ball abuts against the side wall.
In an alternative embodiment of the present invention, the thickness of the dome in the vibration direction is equal to the height of the sidewall in the vibration direction.
In an optional embodiment of the present invention, the projection of the dome along the vibration direction completely overlaps the projection of the bottom wall along the vibration direction.
The utility model discloses an optional embodiment, the skeleton still include certainly the diapire is kept away from the one end of lateral wall is to keeping away from the wall of buckling that first vibrating diaphragm direction was buckled and is extended, the voice coil loudspeaker voice coil passes through the wall of buckling is inserted and is located the magnetic gap.
In an optional embodiment of the present invention, the magnetic circuit system comprises a magnetic yoke surrounding the outer side of the voice coil and connected to the outer metal ring, a first magnetic steel surrounding the outer side of the voice coil and connected to the magnetic yoke, and a lower plate disposed along the vibration direction and fixed to the first magnetic steel, the magnetic yoke and the first magnetic steel are both provided with central through holes, the magnetic circuit system also comprises a second magnetic steel which is contained in the central through holes of the magnetic yoke and the first magnetic steel and is arranged at intervals with the magnetic yoke and the first magnetic steel, a pole core which is connected to the second magnetic steel along the vibration direction, a third magnetic steel which is connected to the pole core along the vibration direction, and an inner metal buckle which is fixed on the third magnetic steel along the vibration direction, the inner metal buckle is located in the middle of the first vibrating diaphragm, and the inner metal buckle and the first vibrating diaphragm are fixed into a whole.
The utility model discloses an optional embodiment, first vibrating diaphragm include with the fixed first vibrating diaphragm main part of interior metal fastener and with the top of a ball complex and follow the edge of first vibrating diaphragm main part is to perpendicular vibration direction and to keeping away from the extension angle that the direction of first vibrating diaphragm main part extends, the extension angle of first vibrating diaphragm with top of a ball and skeleton hot pressing integrated into one piece.
In an optional embodiment of the present invention, an extension angle of the first diaphragm is smaller than a width of the dome in a direction perpendicular to the vibration direction.
The utility model discloses an optional embodiment, the second vibrating diaphragm is including being fixed in the second vibrating diaphragm outward flange of outer becket, be in outer becket with second vibrating diaphragm main part between the skeleton and follow the edge of second vibrating diaphragm main part is to vertical vibration direction and to keeping away from the buckling parts that the direction of second vibrating diaphragm main part extends, the buckling parts of second vibrating diaphragm encircle the periphery of skeleton main part and hot pressing integrated into one piece with it, the buckling parts of second vibrating diaphragm with the ball top interval sets up.
The beneficial effects of the utility model reside in that: compared with the prior art, the device provided by the utility model can cancel the glue-applying process after the ball top in the automatic assembly process, simplify the automatic line assembly process, shorten the production period of the product and improve the production efficiency; and when the gluing strength between the dome and the framework and the overall strength of the sound generating device are ensured, the product quality is reduced, and the sound quality of the sound generating device is improved.
[ description of the drawings ]
Fig. 1 is a perspective view of a sound generating device disclosed by the present invention;
fig. 2 is an exploded view of the sound generating device disclosed in the present invention;
FIG. 3 is a perspective cross-sectional view of the sound generator shown in FIG. 1 taken along the direction T-T;
FIG. 4 is an enlarged view of a portion of FIG. 3A;
FIG. 5 is a perspective view of the frame of the sound generating device of the present invention;
FIG. 6 is a front view of the frame of the sound generating device of the present invention;
FIG. 7 is a cross-sectional view of the armature of FIG. 6 taken along the direction P-P;
fig. 8 is a partial enlarged view of B shown in fig. 7.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1 and 2, fig. 1 is a perspective view of a sound generating device disclosed in the present invention, and fig. 2 is an exploded view of the sound generating device disclosed in the present invention. The utility model provides a sound generating mechanism, sound generating mechanism can include outer becket 5, rigid coupling in the vibration system 2 of outer becket 5 and the magnetic circuit 1 that has magnetic gap 10, and magnetic circuit 1 can drive vibration system 2 vibration sound production. The outer metal ring 5 may serve as a carrier for the vibration system 2 and the magnetic circuit system 1 to support the vibration system 2 and the magnetic circuit system 1.
It should be noted that the outer metal ring 5 may also be fixedly connected to the magnetic circuit system 1, so that the magnetic circuit system 1 and the vibration system 2 may be fixedly connected through the outer metal ring 5. I.e. the vibration system 2 and the magnetic circuit system 1 are fixed to the outer metal ring 5.
The vibration system 2 may include a diaphragm 3 fixed to the outer metal ring 5, a bobbin 4 fixed to a side of the diaphragm 3 facing the magnetic circuit system 1, and a voice coil 21 driving the diaphragm 3 to vibrate through the bobbin 4 inserted in the magnetic gap 10.
Magnetic circuit 1 can include enclosing yoke 14 that locates the voice coil 21 outside and be connected with outer becket 5, enclosing first magnet steel 11 that locates the voice coil 21 outside and be connected with yoke 14 and set up and with the lower plate 17 that first magnet steel 11 is fixed along the vibration direction, yoke 14 and first magnet steel 11 all have central through-hole, and central through-hole and lower plate 17 form and hold the chamber.
The magnetic circuit system 1 further includes a second magnetic steel 12 accommodated in the central through hole of the magnetic yoke 14 and the first magnetic steel 11 and spaced from the magnetic yoke 14 and the first magnetic steel 11, a pole core 15 connected to the second magnetic steel 12 along the vibration direction, a third magnetic steel 13 connected to the pole core 15 along the vibration direction, and an inner metal buckle 16 fixed to the third magnetic steel 13 along the vibration direction, specifically, the third magnetic steel 13 is in a boss shape, the third magnetic steel 13 includes a third magnetic steel body 131 and a third magnetic steel boss 132 formed on the third magnetic steel body 131 along the vibration direction, and the third magnetic steel boss 132 is matched with the inner metal buckle 16. More specifically, the inner metal buckle 16 is located at the middle position of the first diaphragm 31, in other words, the first diaphragm 31 surrounds the inner metal buckle 16, and the inner metal buckle 16 and the first diaphragm 31 are fixed into a whole by hot press molding.
More specifically, the second magnetic steel 12, the pole piece 15 and the third magnetic steel 13 are sequentially stacked and connected along the vibration direction and are located inside the voice coil 21, the yoke 14 and the first magnetic steel 11 are all arranged around the outside of the voice coil 21, the gap existing between the second magnetic steel 12, the pole piece 15 and the third magnetic steel 13 and between the yoke 14 and the first magnetic steel 11 is the magnetic gap 10, and the voice coil 21 is located in the magnetic gap 10.
Referring to fig. 2, according to some embodiments of the present invention, the vibration system 2 may further include an auxiliary sound film 23, and the auxiliary sound film 23 may include a first auxiliary sound film 231 and a second auxiliary sound film 232. The first auxiliary sound diaphragm 231 and the first flexible circuit board 221 are disposed on the outer metal ring 5, and the second auxiliary sound diaphragm 232 and the second flexible circuit board 222 are disposed together on the outer metal ring 5. The first flexible circuit board 221 and the second flexible circuit board 222 may be disposed on the same surface of the outer metal ring 5 and at opposite ends of the outer metal ring 5.
The first auxiliary sound film 231 and the second auxiliary sound film 232 may be disposed on the same surface of the outer metal ring 5 and at opposite ends of the outer metal ring 5.
Referring to fig. 2, in some embodiments of the present invention, the vibration system 2 further includes a circuit board 22 electrically connected to the voice coil 21, and the circuit board 22 may include a first flexible circuit board 221 electrically connected to the voice coil 21 and a second flexible circuit board 222 for connecting to an external circuit. The electrical connection between the voice coil 21 and the first flexible circuit board 221 may be understood as the electrical connection between the voice coil 21 and the first flexible circuit board 221, which may implement data transmission. It should be understood that the electrical connection of the two components can be understood as an electrical connection, such as a fixed connection by way of a signal line, which can enable the transmission of data.
Referring to fig. 3 and 4, fig. 3 is a perspective sectional view of the sound generating device shown in fig. 1 along a direction T-T, and fig. 4 is a partially enlarged view of a shown in fig. 3. Wherein, the vibrating diaphragm 3 includes a first vibrating diaphragm 31 located at the middle position and a second vibrating diaphragm 32 surrounding the first vibrating diaphragm 31 at intervals, the framework 4 connects the first vibrating diaphragm 31 and the second vibrating diaphragm 32, the outer edge of the second vibrating diaphragm 32 is fixed on the outer metal ring 5, the vibrating diaphragm 3 further includes a ball top 33 clamped between the first vibrating diaphragm 31 and the framework 4 along the vibration direction, and the ball top 33 is integrally formed with the first vibrating diaphragm 31 and the framework 4 by hot pressing. It can be understood that the dome 33 and the second diaphragm 32 are directly abutted to the framework 4 respectively, and the dome 33 and the framework 4 are directly hot-pressed and integrally formed, and the second diaphragm 32 and the framework 4 are also directly hot-pressed and integrally formed; the first diaphragm 31 and the frame 4 are connected to each other and integrally formed by hot pressing, that is, the dome 33 is located between the first diaphragm 31 and the frame 4, and the dome 33, the first diaphragm 31 and the frame 4 are integrally formed by hot pressing.
Referring to fig. 5-8, fig. 5 is a perspective view of a frame of the sound generating device of the present invention, fig. 6 is a front view of the frame of the sound generating device of the present invention, fig. 7 is a cross-sectional view of the frame shown in fig. 6 along the P-P direction, and fig. 8 is a partial enlarged view of B shown in fig. 7. The frame 4 includes a frame body 41 fixedly connected to the diaphragm, the frame body 41 includes a main body 411 fixed to the second diaphragm 32, a sidewall 412 extending from an inner edge of the main body 411 to bend toward the magnetic circuit system 1, and a bottom wall 413 horizontally extending from an end of the sidewall 412 far away from the main body 411 to a direction far away from the sidewall 412, the sidewall 412 and the bottom wall 413 surround to form a fixing groove 42, as can be seen from fig. 6, the fixing groove 42 is annular, and the dome 33 is accommodated in the fixing groove 42. The side wall 412 extends from the inner edge of the main body 411 toward the magnetic circuit system 1 and is bent in the vibration direction, and the dome 33 abuts against the side wall 412.
The bobbin 4 further includes a bending wall 43 extending from one end of the bottom wall 413 away from the side wall 412 to the direction away from the first diaphragm 31, and the voice coil 21 is inserted into the magnetic gap 10 through the bending wall 43.
The thickness of the dome 33 in the vibration direction may be greater than the height of the side wall 412 in the vibration direction, and the thickness of the dome 33 in the vibration direction may also be less than the height of the side wall 412 in the vibration direction; in a preferred embodiment of the present invention, the thickness of the dome 33 in the vibration direction is equal to the height of the side wall 412 in the vibration direction.
The projection of the dome 33 along the vibration direction and the projection of the bottom wall 413 along the vibration direction are required to be such that the dome 33 cannot protrude from the bottom wall 413 of the frame 4, and preferably, the dome 33 and the bottom wall 413 can be tightly connected together, therefore, in a preferred embodiment of the present invention, the projection of the dome 33 along the vibration direction and the projection of the bottom wall 413 along the vibration direction are completely overlapped.
The first diaphragm 31 includes a first diaphragm main body 311 fixed with the inner metal buckle 16 and an extension angle 312 which is matched with the dome 33 and extends from the edge of the first diaphragm main body 311 to the vertical vibration direction and to the direction far away from the first diaphragm main body 311, the extension angle 312 of the first diaphragm 31 is integrally formed with the dome 33 and the framework 4 by hot pressing, in a preferred embodiment of the present invention, the width of the extension angle 312 of the first diaphragm 31 along the direction perpendicular to the vibration direction is smaller than the width of the dome 33 along the direction perpendicular to the vibration direction.
The second diaphragm 32 includes a second diaphragm outer edge 321 fixed to the outer metal ring 5, a second diaphragm main body 322 located between the outer metal ring 5 and the skeleton 4, and a buckling part 323 extending from an edge of the second diaphragm main body 322 in a direction perpendicular to the vibration direction and away from the second diaphragm main body 322, and the buckling part 323 of the second diaphragm 32 surrounds the periphery of the skeleton main body 41 and is integrally formed with the skeleton main body by hot pressing.
After the ball top 33 is fixed, the relation between the ball top 33 and the second diaphragm 32 is that the ball top 33 may directly abut against the second diaphragm 32, and the ball top 33 may also be spaced apart from the second diaphragm 32. In a preferred embodiment of the present invention, the second diaphragm 32 is spaced apart from the dome 33, and more specifically, the fastening portion 323 of the second diaphragm 32 is spaced apart from the dome 33.
In this process of original first vibrating diaphragm 31 and second vibrating diaphragm 32 hot pressing integrated into one piece, arrange ball top 33 between first vibrating diaphragm 31 and skeleton 4, namely arrange ball top 33 in the fixed slot 42 of skeleton 4, participate in integrated into one piece's process, can make ball top 33 firmly fix between skeleton 4 and first vibrating diaphragm 31 like this, the bonding strength between ball top 33 and skeleton 4 and sound generating mechanism's bulk strength have been guaranteed promptly, this sound generating mechanism's transfer machine assembly process can also be simplified, the production cycle of product has been shortened, make production efficiency higher.
Moreover, the utility model discloses a sound generating mechanism compares with prior art, has cancelled the process of gluing behind the ball top, also need not additionally glue between ball top 33 and the skeleton 4 and come the bonding, but directly with the mode of hot pressing first vibrating diaphragm 31, ball top 33 and the direct hot pressing integrated into one piece of skeleton 4 three, can alleviate the quality of product like this for the vibration is more sensitive. More specifically, the sensitivity of the vibration is more remarkably improved by the sensitivity of the intermediate frequency, and the vibration quality of the intermediate frequency is higher under the condition that the low frequency and the high frequency are unchanged, so that the sensitivity of the intermediate frequency is improved.
In the sound production device disclosed by the utility model, the framework 4 is provided with the fixing groove 42 for accommodating the ball top 33, and the ball top 33 is positioned between the first vibrating diaphragm 31 and the framework 4 and is integrally formed by hot pressing, so that the glue-applying process after the ball top 33 can be cancelled, the structure not only simplifies the automatic line assembly process, shortens the production cycle of products, and ensures higher production efficiency; and moreover, the gluing strength between the ball top 33 and the framework 4 and the overall strength of the sound generating device are ensured, the product quality is reduced, and the sound quality of the sound generating device is improved.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (10)
1. The utility model provides a sound generating mechanism, including outer becket, rigid coupling in the vibration system of outer becket and the magnetic circuit that has the magnetic gap, vibration system is including being fixed in the vibrating diaphragm of outer becket, being fixed in the vibrating diaphragm orientation the skeleton of magnetic circuit one side and pass through the skeleton is inserted and is located the voice coil loudspeaker voice coil in magnetic gap, the vibrating diaphragm encircles including the first vibrating diaphragm and the interval that are located the intermediate position the second vibrating diaphragm of first vibrating diaphragm, the skeleton coupling first vibrating diaphragm with the second vibrating diaphragm, the outward flange of second vibrating diaphragm is fixed in outer becket, its characterized in that, the vibrating diaphragm still includes to press from both sides along the vibration direction and locates first vibrating diaphragm with the ball top between the skeleton, the ball top with first vibrating diaphragm with skeleton hot pressing integrated into one piece.
2. The sound generating apparatus of claim 1, wherein: the skeleton include with vibrating diaphragm fixed connection's skeleton main part, the skeleton main part include with the fixed main part of second vibrating diaphragm, certainly main part inward flange orientation magnetic circuit buckles the lateral wall that extends and certainly the lateral wall is kept away from the one end of main part is to keeping away from the diapire of the direction level extension of lateral wall, lateral wall and diapire enclose and establish and form the fixed slot, the ball top accept in the fixed slot.
3. The sound generating apparatus of claim 2, wherein: the side wall extends from the inner edge of the main body part towards the magnetic circuit system and bends along the vibration direction, and the ball top is abutted to the side wall.
4. The sound generating apparatus of claim 3, wherein: the thickness of the ball top along the vibration direction is equal to the height of the side wall along the vibration direction.
5. The sound generating apparatus of claim 4, wherein: the projection of the top of the ball along the vibration direction is completely overlapped with the projection of the bottom wall along the vibration direction.
6. The sound generating apparatus according to any one of claims 2 to 4, wherein: the framework further comprises a bending wall which is bent and extends in the direction away from the first vibrating diaphragm from one end, far away from the side wall, of the bottom wall, and the voice coil is inserted into the magnetic gap through the bending wall.
7. The sound generating apparatus of claim 1, wherein: the magnetic circuit system comprises a magnetic yoke, a lower clamping plate, a central through hole, a third magnetic steel and an inner metal buckle, wherein the magnetic yoke is arranged outside the voice coil and connected with the outer metal ring, the magnetic yoke is arranged outside the voice coil and connected with the magnetic yoke, the lower clamping plate is arranged along the vibration direction and fixed with the first magnetic steel, the magnetic yoke and the first magnetic steel are provided with the central through hole, the second magnetic steel is contained in the central through hole of the magnetic yoke and the first magnetic steel and is spaced from the magnetic yoke and the first magnetic steel, the pole core is connected to the second magnetic steel along the vibration direction, the third magnetic steel is connected to the pole core along the vibration direction, and the inner metal buckle is fixed to the third magnetic steel along the vibration direction, is located in the middle of the first vibrating diaphragm, and is fixed with the first vibrating diaphragm into a whole.
8. The sound generating apparatus of claim 7, wherein: first vibrating diaphragm include with interior metal buckle fixed first vibrating diaphragm main part and with the ball top complex and follow the edge of first vibrating diaphragm main part is to perpendicular vibration direction and to keeping away from the extension angle that the direction of first vibrating diaphragm main part extends, the extension angle of first vibrating diaphragm with ball top and skeleton hot pressing integrated into one piece.
9. The sound generating apparatus of claim 8, wherein: the width of the extension angle of the first diaphragm along the direction perpendicular to the vibration direction is smaller than the width of the ball top along the direction perpendicular to the vibration direction.
10. The sound generating apparatus of claim 1, wherein: the second vibrating diaphragm is including being fixed in the second vibrating diaphragm outward flange of outer becket, be in outer becket with second vibrating diaphragm main part between the skeleton and follow the edge of second vibrating diaphragm main part is to perpendicular vibration direction and to keeping away from the buckling parts that the direction of second vibrating diaphragm main part extends, the buckling parts of second vibrating diaphragm encircles the periphery of skeleton and hot pressing integrated into one piece with it, the buckling parts of second vibrating diaphragm with the ball top interval sets up.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023060430.2U CN214101748U (en) | 2020-12-17 | 2020-12-17 | Sound producing device |
| PCT/CN2020/141818 WO2022126778A1 (en) | 2020-12-17 | 2020-12-30 | Sound production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023060430.2U CN214101748U (en) | 2020-12-17 | 2020-12-17 | Sound producing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214101748U true CN214101748U (en) | 2021-08-31 |
Family
ID=77429122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023060430.2U Active CN214101748U (en) | 2020-12-17 | 2020-12-17 | Sound producing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN214101748U (en) |
| WO (1) | WO2022126778A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114866922A (en) * | 2022-05-07 | 2022-08-05 | 歌尔股份有限公司 | Sound production device and electronic terminal |
| WO2024044924A1 (en) * | 2022-08-30 | 2024-03-07 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204031434U (en) * | 2014-05-23 | 2014-12-17 | 瑞声光电科技(常州)有限公司 | Loud speaker |
| WO2017173600A1 (en) * | 2016-04-06 | 2017-10-12 | 易力声科技(深圳)有限公司 | Moving-coil speaker |
| CN107277718A (en) * | 2017-07-28 | 2017-10-20 | 常州市润蒙声学科技有限公司 | Loudspeaker |
| CN211531290U (en) * | 2019-12-25 | 2020-09-18 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN211531294U (en) * | 2019-12-27 | 2020-09-18 | 瑞声科技(新加坡)有限公司 | Sound production device |
-
2020
- 2020-12-17 CN CN202023060430.2U patent/CN214101748U/en active Active
- 2020-12-30 WO PCT/CN2020/141818 patent/WO2022126778A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114866922A (en) * | 2022-05-07 | 2022-08-05 | 歌尔股份有限公司 | Sound production device and electronic terminal |
| WO2024044924A1 (en) * | 2022-08-30 | 2024-03-07 | 瑞声光电科技(常州)有限公司 | Coaxial loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022126778A1 (en) | 2022-06-23 |
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