CN213694127U - Speaker and electronic apparatus - Google Patents
Speaker and electronic apparatus Download PDFInfo
- Publication number
- CN213694127U CN213694127U CN202022826025.0U CN202022826025U CN213694127U CN 213694127 U CN213694127 U CN 213694127U CN 202022826025 U CN202022826025 U CN 202022826025U CN 213694127 U CN213694127 U CN 213694127U
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- magnetic circuit
- arc
- loudspeaker
- shaped
- magnetic
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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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- 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
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
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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
-
- 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
-
- 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
Abstract
The utility model discloses a loudspeaker and electronic equipment, wherein, the loudspeaker includes magnetic circuit system and vibration system, wherein, the magnetic circuit system includes the magnetic yoke that has flat-plate shaped bottom wall and locates the central magnetic circuit part on the magnetic yoke and the limit magnetic circuit part that sets up around central magnetic circuit part, form the magnetic gap between central magnetic circuit part and the limit magnetic circuit part; vibration system includes the vibrating diaphragm unit and connects in the voice coil loudspeaker voice coil of vibrating diaphragm unit and drive vibrating diaphragm unit, the vibrating diaphragm unit includes the arc vibrating board and encircles the arc vibrating board that the arc vibrating board set up, arc vibrating board and arc vibrating board are towards the direction protrusion of keeping away from magnetic circuit, the arc vibrating board is equipped with support connection portion towards magnetic circuit's one side, support connection portion is equipped with the plane installation face towards magnetic circuit's one side, the voice coil loudspeaker voice coil is fixed in the plane installation face and inserts in magnetic circuit's the magnetic gap. The space of the electronic equipment is fully utilized, and the acoustic performance of the loudspeaker is improved.
Description
Technical Field
The utility model relates to an acoustic energy conversion technology field, in particular to speaker and electronic equipment.
Background
With the social and economic development and consumer upgrade, consumers have higher and higher requirements on the portability and the aesthetic property of electronic equipment, and the space for the loudspeaker is very limited, but for the moving coil loudspeaker, the size is directly related to the acoustic performance of the moving coil loudspeaker, and the larger the size, the better the acoustic effect is, so that the space in the electronic equipment needs to be utilized to the maximum extent. And the outward appearance of conventional speaker is mostly level and smooth structure, and unable make full use of is close to the space of electronic equipment arc shell part.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a speaker module and electronic equipment.
According to the embodiment of the utility model, the loudspeaker comprises a magnetic circuit system and a vibration system,
the magnetic circuit system comprises a magnetic conductive yoke with a flat bottom wall, a central magnetic circuit part arranged on the magnetic conductive yoke and side magnetic circuit parts arranged around the central magnetic circuit part, wherein a magnetic gap is formed between the central magnetic circuit part and the side magnetic circuit parts;
the vibration system comprises a diaphragm unit and a voice coil connected with the diaphragm unit and driving the diaphragm unit,
the vibrating diaphragm unit comprises an arc-shaped vibrating diaphragm and an arc-shaped vibrating diaphragm arranged around the arc-shaped vibrating diaphragm, and the arc-shaped vibrating diaphragm are protruded towards the direction far away from the magnetic circuit system;
the voice coil is fixed on the plane mounting surface and inserted into a magnetic gap of the magnetic circuit system.
According to some embodiments of the utility model, the speaker still includes the shell, the shell includes epitheca and inferior valve, arc vibrating diaphragm, arc vibrating plate and epitheca be the integrated into one piece structure.
In some embodiments of the present invention, the arc-shaped vibrating diaphragm is formed by hot pressing or injection molding with the arc-shaped vibrating plate and the upper shell through one-piece processing.
In some embodiments of the present invention, the material of the arc-shaped diaphragm is silica gel or AEM rubber.
In some embodiments of the present invention, the material of the arc vibrating plate is PEI, LCP or PET.
In some embodiments of the present invention, the upper case is provided with a positioning protrusion, and the lower case is provided with a positioning groove corresponding to the positioning protrusion.
According to some embodiments of the present invention, the support connection portion includes an annular side wall adapted to a shape of the voice coil, a top surface of the annular side wall is an arc-shaped top surface, and the arc-shaped top surface is in the same direction as a protrusion of the arc-shaped vibration plate and is installed at a bottom of the arc-shaped vibration plate;
the bottom surface of the annular side wall forms the planar mounting surface.
In some embodiments of the present invention, the annular sidewall is provided with a plurality of grooves.
In some embodiments of the present invention, the groove is disposed on a side surface of the annular sidewall, and the groove is a blind hole or a through hole.
According to some embodiments of the present invention, two of the side magnetic circuit portions are respectively disposed at two long sides of the magnetic yoke and located at two sides of the central magnetic circuit portion, the central magnetic circuit portion includes a central magnet and a central magnetic conductive plate disposed on an upper surface of the central magnet, and the side magnetic circuit portion includes a side magnet and a side magnetic conductive plate disposed on an upper surface of the side magnet;
the edge magnetic conduction plate is of an integrally formed structure and comprises two main body parts covered on the edge magnet and two connecting rings connected with the main body parts.
In some embodiments of the present invention, an end of the connecting ring away from the main body extends to a direction away from the main body after the magnetic yoke is extended to an edge of the magnetic yoke.
According to the utility model discloses electronic equipment, this electronic equipment includes as above speaker.
Through the arrangement of the arc-shaped diaphragm unit, the space of the arc-shaped shell part of the electronic equipment is fully utilized, and under the conditions that the volume and the shape of the electronic equipment are not increased and the occupied space of the loudspeaker is not changed, the vibration space of the voice coil is larger, the vibration amplitude of the diaphragm is larger, so that the acoustic performance of the loudspeaker is improved; in addition, through setting up plane installation face for arc vibration board, make the voice coil loudspeaker voice coil of arc vibrating diaphragm unit can conventional style use with the magnetic circuit cooperation of conventional style, compare arc voice coil loudspeaker voice coil and arc magnetic circuit, the voice coil loudspeaker voice coil of conventional style and the magnetic circuit processing technology of conventional style are comparatively simple, manufacturing process is more mature, the cost is cheaper to can realize better acoustic performance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a speaker according to an embodiment of the present invention;
fig. 2 is an exploded view of the structure of the magnetic circuit system in the speaker of the present invention;
fig. 3 is an exploded view of the vibration system of the loudspeaker of the present invention;
fig. 4 is a schematic structural diagram of a diaphragm unit and a part of components thereof in the loudspeaker of the present invention;
fig. 5 is a schematic structural diagram of a housing positioning structure in the speaker of the present invention;
fig. 6 is a schematic cross-sectional view of a diaphragm unit and some components thereof in the loudspeaker of the present invention;
fig. 7 is a schematic structural diagram of an arc diaphragm according to an embodiment of the present invention;
fig. 8 is a schematic structural view of an arc diaphragm of a further embodiment of the speaker of the present invention;
fig. 9 is a schematic structural view of an arc diaphragm according to still another embodiment of the speaker of the present invention.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description relating to "first", "second", etc. in the embodiments 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, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a speaker 100, this speaker 100 can be used to wearable electronic equipment, for example the wrist-watch, and in addition, this speaker 100 can also be used to in equipment such as earphone, cell-phone, notebook computer, VR equipment, AR equipment, TV set.
According to the embodiment of the present invention, please refer to fig. 1 to 9 in combination, which includes a magnetic circuit system 1 and a vibration system 2, wherein the magnetic circuit system 1 is a conventional structure, and includes a magnetic yoke having a flat bottom wall, a central magnetic circuit portion 11 disposed on the magnetic yoke, and a side magnetic circuit portion 12 disposed around the central magnetic circuit portion 11, a magnetic gap 1a is formed between the central magnetic circuit portion 11 and the side magnetic circuit portion 12, and both the central magnetic circuit portion 11 and the side magnetic circuit portion 12 are of a conventional flat structure;
the vibration system 2 includes a diaphragm unit 21 and a voice coil 22 connected to the diaphragm unit 21 and driving the diaphragm unit 21, the diaphragm unit 21 includes an arc-shaped diaphragm 212 and an arc-shaped diaphragm 211 surrounding the arc-shaped diaphragm 212, the arc-shaped diaphragm 211 and the arc-shaped diaphragm 212 protrude in a direction away from the magnetic circuit system 1, a support connection portion 2121 is disposed on one surface of the arc-shaped diaphragm 212 facing the magnetic circuit system 1, a planar mounting surface 2121a is disposed on one surface of the support connection portion 2121 facing the magnetic circuit system 1, and the voice coil 22 is of a conventional type and is fixed on the planar mounting surface 2121a and inserted into the magnetic gap 1a of the magnetic circuit system 1.
By arranging the arc-shaped diaphragm unit 21, the space of the arc-shaped shell part of the electronic equipment is fully utilized, and under the conditions that the volume and the shape of the electronic equipment are not increased and the space occupied by the loudspeaker 100 is not changed, the vibration space of the voice coil 22 is larger and the vibration amplitude of the diaphragm is larger, so that the acoustic performance of the loudspeaker 100 is improved; in addition, by providing the planar mounting surface 2121a for the arc-shaped vibration plate 212, the arc-shaped vibration diaphragm unit 21 can be used in cooperation with the voice coil 22 of the conventional type and the magnetic circuit system 1 of the conventional type, and compared with the arc-shaped voice coil 22 and the arc-shaped magnetic circuit system 1, the voice coil 22 of the conventional type and the magnetic circuit system 1 of the conventional type have the advantages of simpler processing technology, more mature manufacturing technology, lower cost, and better acoustic performance.
According to some embodiments of the present invention, the speaker 100 further includes a housing 3, the housing 3 includes an upper shell 31 and a lower shell 32, which together form an accommodating space, and the magnetic circuit system 1 and the vibration system 2 are disposed in the accommodating space, so as to protect the magnetic circuit system 1 and the vibration system 2 and prolong the service life of the speaker 100. In the utility model discloses in other embodiments, speaker 100 also can not set up shell 3 or set up metal casing 3, promotes speaker 100's heat dissipation, and then promotes speaker 100's acoustic performance.
Wherein, arc vibrating diaphragm 211, arc vibrating plate 212 and epitheca 31 are the integrated into one piece structure, adopt integrated into one piece's mode to make, have realized seamless combination, very big promotion waterproof ability, satisfied high-grade waterproof demand, have simplified the assembly process of material simultaneously, have saved manpower and materials.
The utility model discloses an in some embodiments, arc vibrating diaphragm 211 is through hot pressing or the mode of moulding plastics and arc vibrating plate 212 and epitheca 31 integrated into one piece, and cohesion is big between each part, and difficult separation is inefficacy. In other embodiments of the present invention, the arc-shaped vibrating diaphragm 211, the arc-shaped vibrating plate 212 and the upper shell 31 may also be manufactured by other processing methods according to materials, which is not limited to this.
The utility model discloses an in some embodiments, the material of arc vibrating diaphragm 211 is silica gel, can choose for use all kinds of flexible glue according to the application, has advantages such as tensile rate is great, elasticity and recovery are good, also can choose for use the ebonite, like PPA, PEI, LCP etc. have the rigidity great, support and advantage such as vibration performance is good, also can choose for use AEM rubber, does not do the restriction to this.
The material of the arc vibration plate 212 is PEI, LCP or PET, and the material of the upper case 31 is PPA. In other embodiments of the present invention, the arc-shaped vibrating diaphragm 211, the arc-shaped vibrating plate 212 and the upper shell 31 may also be made of other suitable materials as needed, which is not limited herein.
In addition, the arc-shaped diaphragm 211, the arc-shaped vibrating plate 212 and the upper shell 31 are further provided with a waterproof rubber ring 212d integrally formed with the arc-shaped vibrating plate, so that the waterproof effect is further improved. The waterproof rubber ring 212d is made of silica gel, and soft rubber or hard rubber can be selected according to the waterproof requirement and the product structure, which is not limited to this.
In some embodiments of the present invention, the upper shell 31 is provided with positioning protrusions 31a, and the lower shell 32 is provided with positioning grooves 32a corresponding to the positioning protrusions 31a, so as to facilitate assembly and improve positioning accuracy.
According to some embodiments of the utility model, support connection portion 2121 includes the annular lateral wall 2121b with the shape looks adaptation of 22 voice coil loudspeaker voice coil, the top surface of annular lateral wall 2121b is the arc top surface, the arc top surface is the same with the protruding direction of arc vibration board 212 and installs in the bottom of arc vibration board 212, the bottom surface of annular lateral wall 2121b forms smooth plane installation face 2121a, be used for fixing traditional annular voice coil loudspeaker voice coil 22, need not reuse arc voice coil loudspeaker voice coil 22 to come to cooperate with arc vibration board 212 or arc vibrating diaphragm 211, the processing degree of difficulty and the assembly degree of difficulty have been reduced, traditional annular voice coil loudspeaker voice coil 22 compares arc voice coil loudspeaker voice coil 22 simultaneously and can realize better acoustic performance.
In some embodiments of the present invention, the annular side wall 2121b is provided with a plurality of grooves 2121c, which reduces the mass of the supporting connection portion 2121 and further reduces the overall mass of the arc-shaped vibrating plate 212 on the premise that the arc-shaped vibrating plate 212 is supported well.
Specifically, the groove 2121c is disposed on a side surface of the annular sidewall 2121b, please refer to fig. 7 and 8 in combination, and the groove 2121c may be a blind hole, as shown in fig. 7, or a through hole, as shown in fig. 8. In the embodiment of the present invention, the groove 2121c extends from the side surface to the planar mounting surface 2121a, and in other embodiments of the present invention, the groove 2121c may also be disposed in the middle of the annular side 2121b, and the groove 2121c may not be disposed, which is not limited herein.
According to some embodiments of the present invention, two side magnetic circuit portions 12 are respectively disposed at two long sides of the magnetic yoke 13 and located at two sides of the central magnetic circuit portion 11, wherein the central magnetic circuit portion 11 includes the central magnet 111 and the central magnetic conductive plate 112 disposed on the upper surface of the central magnet 111, and the side magnetic circuit portion 12 includes the side magnet 121 and the side magnetic conductive plate 122 disposed on the upper surface of the side magnet 121. In other embodiments of the present invention, the number of the side magnetic path portions 12 may also be four, or the side magnetic path portions 12 are not provided, and the magnetic yoke 13 is directly bent toward the vibration system 2 to be used as the side magnetic path portions 12, which is not limited to this.
Specifically, limit magnetic conduction plate 122 is the integrated into one piece structure, includes that two lids locate the main part 1221 of limit magnet 121 and two go-between 1222 of connecting main part 1221, has simplified manufacturing procedure and assembly process through integrated into one piece's mode, has saved manpower and materials.
In some embodiments of the present invention, the end of the connecting ring 1222 far away from the main body 1221 extends to the edge of the magnetic yoke 13 after extending to the magnetic yoke 13 from the direction far away from the vibration system 2 and then extending to the direction far away from the main body 1221, so that the two ends of the magnetic circuit 1 are lower than the middle section part, and avoid the curved part of the curved diaphragm unit 21, thereby providing a sufficient vibration space and ensuring the acoustic performance of the loudspeaker 100.
According to the embodiment of the present invention, the electronic device is further provided, the electronic device includes the speaker 100 as described above, the specific structure of the speaker 100 refers to the above-mentioned embodiments, and since the electronic device adopts all the technical solutions of all the above-mentioned embodiments, all the beneficial effects brought by the technical solution of the above-mentioned embodiments are at least possessed, and are not repeated here.
Compared with the prior art, the loudspeaker 100 and the electronic device in the technical solution of the present invention, through the arrangement of the arc-shaped diaphragm unit 21, make full use of the space of the arc-shaped housing portion of the electronic device, under the condition that the volume and shape of the electronic device are not increased and the occupied space of the loudspeaker 100 is not changed, the vibration space of the voice coil 22 is larger and the vibration amplitude of the diaphragm is larger, thereby improving the acoustic performance of the loudspeaker 100; in addition, by providing the planar mounting surface 2121a for the arc-shaped vibration plate 212, the arc-shaped vibration plate unit 21 can be used in cooperation with the voice coil 22 of the conventional type and the magnetic circuit system 1 of the conventional type, and compared with the arc-shaped voice coil 22 and the arc-shaped magnetic circuit system 1, the voice coil 22 of the conventional type and the magnetic circuit system 1 of the conventional type have the advantages of simpler processing technology, more mature manufacturing technology, lower cost, and better acoustic performance.
The above is only the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all of which are in the utility model discloses a conceive, utilize the equivalent structure transform that the content of the specification and the attached drawings did, or directly/indirectly use all to include in other relevant technical fields the patent protection scope of the present invention.
Claims (12)
1. A loudspeaker comprises a magnetic circuit system and a vibration system,
the magnetic circuit system comprises a magnetic conducting yoke with a flat bottom wall, a central magnetic circuit part arranged on the magnetic conducting yoke and side magnetic circuit parts arranged around the central magnetic circuit part, and a magnetic gap is formed between the central magnetic circuit part and the side magnetic circuit parts;
the vibration system comprises a diaphragm unit and a voice coil connected with the diaphragm unit and driving the diaphragm unit,
it is characterized in that the preparation method is characterized in that,
the vibrating diaphragm unit comprises an arc-shaped vibrating diaphragm and an arc-shaped vibrating diaphragm arranged around the arc-shaped vibrating diaphragm, and the arc-shaped vibrating diaphragm are protruded towards the direction far away from the magnetic circuit system;
the voice coil is fixed on the plane mounting surface and inserted into a magnetic gap of the magnetic circuit system.
2. The loudspeaker of claim 1, further comprising a housing including an upper shell and a lower shell, wherein the arc-shaped diaphragm, the arc-shaped vibration plate, and the upper shell are of an integrally molded structure.
3. The loudspeaker of claim 2, wherein the arc-shaped diaphragm is integrally formed with the arc-shaped vibration plate and the upper case by hot pressing or injection molding.
4. The loudspeaker of claim 3, wherein the material of the curved diaphragm is silica gel or AEM rubber.
5. The speaker according to claim 3, wherein the material of the arc-shaped vibration plate is PEI, LCP or PET.
6. The speaker of claim 2, wherein the upper case is provided with a positioning projection, and the lower case is provided with a positioning groove corresponding to the positioning projection.
7. The speaker of claim 1, wherein the support connection portion comprises an annular sidewall adapted to the shape of the voice coil, a top surface of the annular sidewall is an arc-shaped top surface, and the arc-shaped top surface is in the same direction as the protrusion of the arc-shaped vibration plate and is mounted on the bottom of the arc-shaped vibration plate;
the bottom surface of the annular side wall forms the planar mounting surface.
8. The loudspeaker of claim 7 wherein said annular sidewall has a plurality of grooves therein.
9. The loudspeaker of claim 8, wherein the groove is disposed on a side surface of the annular sidewall, and the groove is a blind hole or a through hole.
10. The speaker of claim 1, wherein two of the side magnetic circuit portions are respectively disposed at two long sides of the magnetic yoke and located at two sides of the central magnetic circuit portion, the central magnetic circuit portion includes a central magnet and a central magnetic conductive plate disposed on an upper surface of the central magnet, and the side magnetic circuit portion includes a side magnet and a side magnetic conductive plate disposed on an upper surface of the side magnet;
the edge magnetic conduction plate is of an integrally formed structure and comprises two main body parts covered on the edge magnet and two connecting rings connected with the main body parts.
11. The loudspeaker of claim 10, wherein an end of the connection ring remote from the body portion extends in a direction away from the vibration system to the yoke and then extends to an edge of the yoke in a direction away from the body portion.
12. An electronic device, characterized in that it comprises a loudspeaker according to any one of claims 1-11.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022826025.0U CN213694127U (en) | 2020-11-30 | 2020-11-30 | Speaker and electronic apparatus |
| PCT/CN2021/133864 WO2022111674A1 (en) | 2020-11-30 | 2021-11-29 | Loudspeaker and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022826025.0U CN213694127U (en) | 2020-11-30 | 2020-11-30 | Speaker and electronic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213694127U true CN213694127U (en) | 2021-07-13 |
Family
ID=76737307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022826025.0U Active CN213694127U (en) | 2020-11-30 | 2020-11-30 | Speaker and electronic apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213694127U (en) |
| WO (1) | WO2022111674A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022111674A1 (en) * | 2020-11-30 | 2022-06-02 | 歌尔股份有限公司 | Loudspeaker and electronic device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001128289A (en) * | 1999-10-22 | 2001-05-11 | Meichu Osada | Loudspeaker |
| CN105765995B (en) * | 2014-09-01 | 2019-06-07 | 松下知识产权经营株式会社 | Loudspeaker |
| JP6326649B1 (en) * | 2017-03-26 | 2018-05-23 | 株式会社サウンドファン | Speaker |
| CN213694127U (en) * | 2020-11-30 | 2021-07-13 | 歌尔股份有限公司 | Speaker and electronic apparatus |
-
2020
- 2020-11-30 CN CN202022826025.0U patent/CN213694127U/en active Active
-
2021
- 2021-11-29 WO PCT/CN2021/133864 patent/WO2022111674A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022111674A1 (en) * | 2020-11-30 | 2022-06-02 | 歌尔股份有限公司 | Loudspeaker and electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022111674A1 (en) | 2022-06-02 |
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