CN110996223A - Acoustic generator and electronic product - Google Patents
Acoustic generator and electronic product Download PDFInfo
- Publication number
- CN110996223A CN110996223A CN201911197999.2A CN201911197999A CN110996223A CN 110996223 A CN110996223 A CN 110996223A CN 201911197999 A CN201911197999 A CN 201911197999A CN 110996223 A CN110996223 A CN 110996223A
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- elastic sealing
- shell
- sounder
- vibrating diaphragm
- electronic product
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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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
The invention discloses a sounder and an electronic device, which comprise a shell and a vibration system arranged in the shell, wherein the vibration system comprises a vibrating diaphragm, an elastic sealing element is arranged on the outer surface of the shell, and the vibrating diaphragm and the elastic sealing element are integrally formed by adopting a solid rubber material through a hot pressing process and are combined on the surface of the shell in a hot pressing manner. The invention can improve the sealing performance between the sounder and the electronic product, and achieves the aim of water resistance.
Description
Technical Field
The invention relates to the technical field of sound production devices, in particular to a sounder and an electronic product.
Background
Along with the development of science and technology, people also are more and more high to the requirement of electronic product performance, and sound generating mechanism in the electronic product tends to integrate, but when sound generating mechanism and electronic product assembled, for preventing that water from passing through the gap between sound generating mechanism and the electronic product, get into inside the electronic product, arouse electronic product's functional failure, need seal the processing to sound generating mechanism and electronic device's gap.
In the prior art, a common method is to sleeve a sealing ring on the side surface of a sound generating device to be assembled with an electronic product, but the side structures of the sealing ring and the sound generating device cannot be completely matched, so that the sealing performance of the sealing ring and the electronic product is poor; and when the sealing ring is installed in an electronic product, a certain magnitude of interference is needed, so that the sealing ring is easy to fall off in the installation process. In addition, the mode that adopts usually among the prior art still uses the bijection sealing washer of moulding plastics in sound generating mechanism shell side, but the bijection sealing washer of moulding plastics only can mould plastics with specific raw and other materials and specific board, and the expensive and set up the variable cycle length debugging difficulty. Or the side face of the shell of the sound generating device and the electronic product are sealed by gluing, so that the assembly process of the sound generating device and the electronic product is complex, the electronic product after assembly is poor in sealing performance, and the waterproof performance is general.
The foregoing is merely provided to aid in understanding the teachings of the present application and is not intended to represent the prior art to which the foregoing pertains.
Disclosure of Invention
The embodiment of the invention provides a sounder and an electronic product, aiming at preventing water from entering the electronic product and improving the sealing performance of the sounder and the electronic product.
In order to achieve the above purpose, the present invention provides a sound generator, which includes a housing and a vibration system installed in the housing, wherein the vibration system includes a diaphragm, an elastic sealing member is disposed on an outer surface of the housing, and the diaphragm and the elastic sealing member are integrally formed by a hot pressing process using a solid rubber material and are bonded to a surface of the housing by hot pressing.
Further, the rubber material is one of silicon rubber, AEM rubber or ACM rubber.
Further, the diaphragm and the elastic sealing element are made of the same rubber material or different rubber materials.
Further, the elastic sealing member is formed on the outer side surface of the shell;
alternatively, the resilient seal is formed on the top surface of the housing.
Further, the shell comprises a shell base body and a connecting ring fixedly arranged on the shell base body, and the vibrating diaphragm and the elastic sealing element are bonded on the surface of the connecting ring in a hot-pressing mode.
Further, the connecting ring is made of metal, plastic or carbon fiber materials.
Further, an outer side surface of the housing is recessed with a groove, and the elastic sealing member is embedded in the groove.
Furthermore, a boss is convexly arranged on the inner side surface of the shell, and the edge of the vibrating diaphragm covers the inner side surface of the shell and wraps the boss.
Further, the diaphragm and the elastic sealing element are integrally formed by a hot-pressing process by adopting a solid rubber material and are hot-pressed and bonded on the surface of the shell in the following steps:
mixing a solid rubber raw material and a vulcanizing agent, and then mixing by a rubber mixing mill;
cutting the mixed solid rubber raw material into sizing materials with set size;
and putting the shell as an insert into a hot-pressing die, further putting the rubber material into the hot-pressing die, and hot-pressing the rubber material onto the shell to form the vibrating diaphragm and the elastic sealing element.
The invention also provides an electronic product, which comprises an electronic product shell and the sounder, wherein the sounder is embedded in the electronic product shell, and the sounder and the electronic product shell are sealed by adopting the elastic sealing element.
The invention has the beneficial effects that:
in the sounder provided by the invention, the vibrating diaphragm and the elastic sealing element are integrally formed by adopting a solid rubber material through a hot pressing process and are combined on the surface of the shell in a hot pressing manner. On one hand, the bearing capacity of the vibrating diaphragm is improved, and the vibrating diaphragm is prevented from falling off; on the other hand, when the sounder and the electronic product are assembled, the elastic sealing element can be extruded by the inner wall of the electronic product, so that the sounder is tightly embedded in the electronic product, the sealing performance of the sounder and the electronic product is improved, and the aim of water proofing is fulfilled.
The vibrating diaphragm and the elastic sealing element are integrally formed by hot pressing solid rubber, so that when an electronic product falls, the elastic sealing element can protect the sounder from relatively small impact force, and the acoustic performance of the sounder is further ensured.
Drawings
FIG. 1 is a schematic cross-sectional view of a sounder according to the present invention;
FIG. 2 is a schematic view of the sounder and electronics assembly of the present invention.
10. The sound generator comprises a sound generator body 100, a shell body 101, a shell body base body 102, a connecting ring 200, a vibrating diaphragm 201, a center part 202, a folded ring part 3, a protrusion 4, a groove 5, a boss 6, a front cover 7, an elastic sealing part 20 and an electronic product.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a sounder and an electronic product, wherein the sounder 10 and the electronic product 20 can be applied to electronic equipment capable of sounding such as earphones, mobile phones and the like.
According to an embodiment of the present invention, there is provided a sounder, including a housing 100 and a vibration system installed in the housing 100, wherein the vibration system includes a diaphragm 200, an outer surface of the housing 100 is provided with an elastic sealing member 7, and the diaphragm 200 and the elastic sealing member 7 are integrally formed by a hot pressing process and are hot pressed and bonded to a surface of the housing 100 by using a solid rubber material.
Specifically, the vibration system includes a diaphragm 200, the diaphragm 200 includes a folded ring portion 202 and a central portion 201, the folded ring portion 202 is recessed downward relative to the central portion 201, and the folded ring portion 202 of the diaphragm 200 generally protrudes upward relative to the central portion 201 in the prior art, and needs to occupy a certain space.
Specifically, the diaphragm 200 and the elastic sealing member 7 are integrally formed by a hot pressing process using a solid rubber material and are thermocompression bonded to the surface of the housing 100. Vibrating diaphragm 200 and elastic sealing element 7 integrated into one piece's hot pressing has improved vibrating diaphragm 200's bearing capacity on casing 100 surface, has increased vibrating diaphragm 200 and casing 100's cohesion, avoids appearing the condition that vibrating diaphragm 200 drops, and vibrating diaphragm 200 covers with elastic sealing element 7 integrated into one piece casing 100 has improved the waterproof performance of vocal ware 10, prevents that the phenomenon of intaking from appearing in vocal ware 10.
Specifically, the diaphragm 200 and the elastic sealing member 7 are integrally formed by a hot pressing process using a solid rubber material and are thermocompression bonded to the surface of the housing 100. The sounder 10 is embedded in the electronic device, and when the sounder 10 is assembled with the electronic product 20, additional sealant is often needed to be coated or a sealing ring is needed to be arranged for sealing, and the elastic sealing member 7 of the invention can ensure the sealing performance of the sounder 10 and the electronic device without other technical means after the sounder 10 and the electronic device are assembled, thus achieving good waterproof effect, improving the sealing performance of the sounder 10 and the electronic product 20, and simultaneously improving the assembling efficiency of the sounder 10 and the electronic product 20.
According to an example of the present invention, the diaphragm 200 and the elastic sealing member 7 are made of a solid rubber material, and the rubber material is one of silicon rubber, AEM rubber or ACM rubber. The vibrating diaphragm 200 and the elastic sealing element 7 are conveniently formed in an integrated mode through hot pressing, meanwhile, the vibrating diaphragm 200 and the elastic sealing element 7 are made of one of silicon rubber, AEM rubber or ACM rubber, on one hand, the binding force of the vibrating diaphragm 200 and the shell 100 is improved, and the sealing performance of the sounder 10 is guaranteed, on the other hand, the vibrating diaphragm 200 is made of the materials, compared with the vibrating diaphragm 200 made of conventional high polymer plastics, the vibrating diaphragm 200 has the advantages that the rubber material is low in Young modulus, the vibrating diaphragm 200 provided by the invention has a wider elastic area and good flexibility, the vibrating displacement of the vibrating diaphragm 200 is larger, the loudness is larger, and the reliability problems such as diaphragm breaking and the like are not prone to. When the vibrating diaphragm 200 is manufactured into a sound generating device, the vibrating diaphragm 200 can effectively inhibit polarization in the vibration process, the tone quality of the sound generating device is improved, and THD (total harmonic distortion) is reduced; meanwhile, the invention can increase the width of the folded ring of the vibrating diaphragm 200, increase the radiation area (the area for pushing the vibrating diaphragm to vibrate) of the sounder 10, provide a larger vibration stroke, reduce the stretching of the material during vibration, increase the fatigue resistance and ensure the reliability of the sounder 10.
Specifically, the elastic sealing member 7 and the diaphragm 200 are made of the same rubber material. Elastic sealing member 7 and vibrating diaphragm 200 are through the technology integrated into one piece of hot pressing, elastic sealing member 7 and vibrating diaphragm 200 adopt same rubber materials, then need not to consider the material problem again when elastic sealing member 7 and vibrating diaphragm 200 hot pressing to made things convenient for elastic sealing member 7 and vibrating diaphragm 200's hot briquetting technology, simultaneously elastic sealing member 7 and vibrating diaphragm 200 adopt same rubber materials, make elastic sealing member 7 and vibrating diaphragm 200 integrated into one piece after stability better. However, the elastic sealing member 7 and the diaphragm 200 are made of the same material, which is only to facilitate the hot-pressing operation and obtain better effect of the integrally formed elastic sealing member 7 and the diaphragm 200, and it is not limited whether the elastic sealing member 7 and the diaphragm 200 are made of the same material, and it can be understood that the elastic sealing member 7 and the diaphragm 200 can be made of different rubber materials to achieve the hot-pressing and integrally formed.
According to an embodiment of the present invention, the elastic sealing member 7 is formed on an outer side surface of the housing 100; alternatively, the elastic sealing member 7 is formed on the top surface of the housing 100. The sounder 10 needs to be assembled in the electronic device 20, in the assembling process, the sounder 10 can be in close contact with the inner wall of the electronic device 20 through the elastic sealing member 7, so that the purpose of sealing and waterproofing is achieved, in order to enable the sounder 10 to be in sealing fit with the electronic product 20, the elastic sealing member 7 can be directly formed on the outer surface of the casing 100, the elastic sealing member 7 formed on the outer surface of the casing 100 is tightly combined with the inner wall of the casing 100, meanwhile, the elastic sealing member 7 can also be formed on the top surface of the casing 100, the elastic sealing member 7 formed on the top surface of the casing 100 can be in close contact with the inner wall of the upper casing 100 of the electronic product 20, and the effect of sealing and waterproofing of the electronic product 20 can also be.
According to one embodiment of the present invention, the housing 100 includes a housing base 101 and a connection ring 102 fixed on the housing base 101, and the diaphragm 20 and the elastic sealing member 7 are thermally compressed and bonded to a surface of the connection ring 102. The diaphragm 200 and the elastic sealing member 7 are hot-pressed and formed on the connection ring 101, the connection ring 102 is arranged to facilitate the operation of the diaphragm 200 and the elastic sealing member 7 in the hot-pressing and forming process, and the connection ring 102 provides a support carrier for the diaphragm 200 to ensure that the diaphragm 200 is firmly combined on the inner side surface of the connection ring 102.
Specifically, the elastic sealing member 7 includes a protrusion 3 annularly disposed on the outer surface of the housing 100. For those skilled in the art, according to the diaphragm 200 and the elastic sealing member 7 are integrally formed by a hot pressing process and are thermocompressively bonded to the surface of the housing 100 by using a solid rubber material, it is easy to think that the elastic sealing of the outer surface of the housing 100 is configured as a protrusion 3, the protrusion 3 has a certain interference, and is pressed between the sound generator 10 and the electronic device 20 to achieve the effect of sealing the electronic device 20, and meanwhile, on the premise of ensuring the sealing property between the sound generator 10 and the electronic product 20, in order to make the sound generator 10 more easily embedded into the electronic product 20, the cross section of the protrusion 3 is gradually reduced toward the outer side surface away from the housing 100. Of course, the shape of the protrusion 3 is not limited to the above shape, and the protrusion 3 is set to the above shape features only to enable the sounder 10 to be embedded into the electronic product 20 more easily, so the protrusion 3 may also be set to other shapes to achieve the effect of sealing and waterproofing the electronic product 20, and will not be described in detail herein.
According to an embodiment of the present invention, the connection ring 102 is made of metal, plastic or carbon fiber material. It can be understood that the connection ring 102 is made of a metal material or a non-metal material or a combination of the metal material and the non-metal material, and the material of the connection ring 102 is not limited, for example, the metal material of the connection ring 102 can improve the strength of the connection ring 102, and ensure that the connection ring 102 is not broken by an excessively strong impact force when the sound generator 10 falls or is involved in a sound-producing collision, thereby affecting the normal operation of the sound generator 10; the connecting ring 102 is made of non-metal materials or fiber materials, so that the weight of the sounder 10 can be reduced to a certain extent, and the connecting ring 102 can be made of different materials according to specific situations, which is not described in detail herein.
According to one embodiment of the present invention, the outer side surface of the housing 100 is recessed with a groove 4, and the elastic sealing member 7 is embedded in the groove 4. The groove 4 is recessed in the outer side surface of the casing 100, and in the process of hot-pressing the elastic sealing member 7 with the diaphragm 200, the elastic sealing member 7 fills the groove 4 and covers the outer surface of the casing 100, so that the hot-pressing area between the elastic sealing member 7 and the casing 100 is increased, the bonding force between the elastic sealing member 7 and the casing 100 is improved, when the sounder 10 is assembled with the electronic product 20, the elastic sealing member 7 is pressed to one side, and the elastic sealing member 7 filled in the groove 4 and the elastic sealing member 7 bonded on the surface of the casing 100 are tightly bonded on the surface of the connecting ring 102 as a whole, so that the situation that the elastic sealing member 7 bonded on the surface of the connecting ring 102 slides integrally can be avoided, and the elastic sealing member 7 is ensured not to fall off from the casing.
According to an embodiment of the present invention, a boss 5 is protruded from an inner side surface of the housing 100, and an edge of the diaphragm 200 covers the inner side surface of the housing 100 and wraps the boss 5. The boss 5 forms a step shape on the inner side surface of the casing 100, and the diaphragm 200 covers the boss 5 completely, so that the bonding force between the diaphragm 200 and the connection ring 102 is improved, and the diaphragm 200 cannot fall off from the connection ring 102 easily.
According to an embodiment of the present invention, the steps of integrally molding the diaphragm 200 and the elastic sealing member 7 by a hot pressing process using a solid rubber material and hot press-bonding the diaphragm to the surface of the housing 100 are as follows:
step 1: mixing a solid rubber raw material and a vulcanizing agent, and then mixing by a rubber mixing mill;
step 2: cutting the mixed solid rubber raw material into sizing materials with set size;
and step 3: the housing 100 is placed into a hot-pressing mold as an insert, and further, a rubber material is placed into the hot-pressing mold, and the rubber material is hot-pressed onto the housing 100 to form the diaphragm 200 and the elastic sealing member 7.
In the step 1, the solid rubber raw material is mixed with a vulcanizing agent for mixing, and the vulcanizing agent is configured to be used for vulcanizing the solid rubber raw material, so that the vulcanized solid rubber raw material is more elastic and the size and structure of the vulcanized solid rubber raw material are more stable.
An electronic product comprises a shell of the electronic product 20 and the sounder 10 which is any one of the above, wherein the sounder 10 is embedded in the shell of the electronic product 20, and the sounder 10 and the shell of the electronic product 20 are sealed by an elastic sealing member 7. In the assembly process of the sounder 10 and the electronic product 20, the elastic sealing member 7 has a certain interference, the elastic sealing member 7 and the inner wall of the electronic product 20 rub and extrude, but the elastic sealing member 7 is firmly combined on the outer surface of the casing 100 of the sounder 10 and cannot easily fall off from the casing 100, and the elastic sealing member 7 extrudes between the sounder 10 and the electronic product 20 to prevent water in the outside from entering the electronic product 20, so that the waterproof performance of the electronic product 20 is ensured.
After the electronic product 20 is assembled, when the electronic product 20 falls, the elastic sealing element 7 and the vibrating diaphragm 200 are integrally formed through a hot pressing process and are combined on the surface of the shell 100 in a hot pressing mode, so that the elastic sealing element 7 cannot easily fall off from the shell 100 due to impact force of a sounding product, meanwhile, the elastic sealing element 7 can reduce the impact force applied to the sounder 10, a buffering effect is achieved between the sounder 10 and the electronic product 20, the sounder 10 is protected from relatively small impact force when the electronic product 20 falls, independent adhesion of buffering foam is not needed, and the production cost is reduced.
When the acoustic generator 10 is assembled with the electronic product 20, only the acoustic generator 10 needs to be embedded in the electronic product 20, and other processing processes or other sealing devices do not need to be performed, so that the assembly process of the acoustic generator 10 and the electronic product 20 is simplified, and the assembly efficiency of the acoustic generator 10 and the electronic product 20 is improved.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a sounder, includes the casing and installs vibration system in the casing, vibration system includes the vibrating diaphragm, its characterized in that: the outer surface of the shell is provided with an elastic sealing element, and the vibrating diaphragm and the elastic sealing element are integrally formed by adopting a solid rubber material through a hot pressing process and are combined on the surface of the shell in a hot pressing mode.
2. The sounder according to claim 1, wherein: the rubber material is one of silicon rubber, AEM rubber or ACM rubber.
3. A sounder according to claim 2, wherein: the vibrating diaphragm and the elastic sealing element are made of the same rubber material or different rubber materials.
4. The sounder according to claim 1, wherein: the elastic sealing element is formed on the outer side surface of the shell;
alternatively, the resilient seal is formed on the top surface of the housing.
5. The sounder according to claim 1, wherein: the shell comprises a shell base body and a connecting ring fixedly arranged on the shell base body, and the vibrating diaphragm and the elastic sealing element are bonded on the surface of the connecting ring in a hot-pressing mode.
6. The sounder according to claim 5, wherein: the connecting ring is made of metal, plastic or carbon fiber materials.
7. The sounder according to claim 1, wherein: the outer side surface of the housing is recessed with a groove into which the elastic sealing member is fitted.
8. The sounder according to claim 1, wherein: the inner side surface of the shell is convexly provided with a boss, and the edge of the vibrating diaphragm covers the inner side surface of the shell and wraps the boss.
9. The sounder according to claim 1, wherein: the diaphragm and the elastic sealing element are integrally formed by adopting a solid rubber material through a hot pressing process and are bonded on the surface of the shell in a hot pressing mode, and the steps of:
mixing a solid rubber raw material and a vulcanizing agent, and then mixing by a rubber mixing mill;
cutting the mixed solid rubber raw material into sizing materials with set size;
and putting the shell as an insert into a hot-pressing die, further putting the rubber material into the hot-pressing die, and hot-pressing the rubber material onto the shell to form the vibrating diaphragm and the elastic sealing element.
10. An electronic product, characterized in that: the sounder according to any one of claims 1 to 9, comprising an electronics housing and the sounder embedded in the electronics housing, wherein the sounder and the electronics housing are sealed with the elastomeric seal.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911197999.2A CN110996223A (en) | 2019-11-29 | 2019-11-29 | Acoustic generator and electronic product |
| CN202010375574.2A CN111372170A (en) | 2019-11-29 | 2020-04-30 | Vibrating diaphragm and sound generating device |
| CN202010375363.9A CN111372169A (en) | 2019-11-29 | 2020-04-30 | Sound production device and electronic equipment |
| CN202020728578.XU CN211720733U (en) | 2019-11-29 | 2020-04-30 | Vibrating diaphragm and sound generating device |
| CN202020727809.5U CN211630380U (en) | 2019-11-29 | 2020-04-30 | Sound production device and electronic equipment |
| CN202010510272.1A CN112468938A (en) | 2019-11-29 | 2020-06-08 | Acoustic generator and electronic product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911197999.2A CN110996223A (en) | 2019-11-29 | 2019-11-29 | Acoustic generator and electronic product |
Publications (1)
| Publication Number | Publication Date |
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| CN110996223A true CN110996223A (en) | 2020-04-10 |
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Family Applications (6)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911197999.2A Pending CN110996223A (en) | 2019-11-29 | 2019-11-29 | Acoustic generator and electronic product |
| CN202010375574.2A Pending CN111372170A (en) | 2019-11-29 | 2020-04-30 | Vibrating diaphragm and sound generating device |
| CN202010375363.9A Pending CN111372169A (en) | 2019-11-29 | 2020-04-30 | Sound production device and electronic equipment |
| CN202020728578.XU Active CN211720733U (en) | 2019-11-29 | 2020-04-30 | Vibrating diaphragm and sound generating device |
| CN202020727809.5U Active CN211630380U (en) | 2019-11-29 | 2020-04-30 | Sound production device and electronic equipment |
| CN202010510272.1A Pending CN112468938A (en) | 2019-11-29 | 2020-06-08 | Acoustic generator and electronic product |
Family Applications After (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010375574.2A Pending CN111372170A (en) | 2019-11-29 | 2020-04-30 | Vibrating diaphragm and sound generating device |
| CN202010375363.9A Pending CN111372169A (en) | 2019-11-29 | 2020-04-30 | Sound production device and electronic equipment |
| CN202020728578.XU Active CN211720733U (en) | 2019-11-29 | 2020-04-30 | Vibrating diaphragm and sound generating device |
| CN202020727809.5U Active CN211630380U (en) | 2019-11-29 | 2020-04-30 | Sound production device and electronic equipment |
| CN202010510272.1A Pending CN112468938A (en) | 2019-11-29 | 2020-06-08 | Acoustic generator and electronic product |
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| CN (6) | CN110996223A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000686A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110996223A (en) * | 2019-11-29 | 2020-04-10 | 歌尔股份有限公司 | Acoustic generator and electronic product |
| KR20220151291A (en) * | 2021-05-06 | 2022-11-15 | 삼성전자주식회사 | Electronic device including sound component |
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| CN110248295B (en) * | 2019-06-27 | 2021-02-19 | 歌尔股份有限公司 | Sound production device and electronic equipment |
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2019
- 2019-11-29 CN CN201911197999.2A patent/CN110996223A/en active Pending
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2020
- 2020-04-30 CN CN202010375574.2A patent/CN111372170A/en active Pending
- 2020-04-30 CN CN202010375363.9A patent/CN111372169A/en active Pending
- 2020-04-30 CN CN202020728578.XU patent/CN211720733U/en active Active
- 2020-04-30 CN CN202020727809.5U patent/CN211630380U/en active Active
- 2020-06-08 CN CN202010510272.1A patent/CN112468938A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022000686A1 (en) * | 2020-06-30 | 2022-01-06 | 瑞声声学科技(深圳)有限公司 | Sound generating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN211720733U (en) | 2020-10-20 |
| CN211630380U (en) | 2020-10-02 |
| CN111372170A (en) | 2020-07-03 |
| CN112468938A (en) | 2021-03-09 |
| CN111372169A (en) | 2020-07-03 |
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Application publication date: 20200410 |