CN212727396U - Speaker and electronic equipment - Google Patents
Speaker and electronic equipment Download PDFInfo
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- CN212727396U CN212727396U CN202021719537.0U CN202021719537U CN212727396U CN 212727396 U CN212727396 U CN 212727396U CN 202021719537 U CN202021719537 U CN 202021719537U CN 212727396 U CN212727396 U CN 212727396U
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Abstract
The utility model discloses a loudspeaker and electronic equipment, the loudspeaker includes the shell, accommodates in vibration system and magnetic circuit in the shell, the vibration system includes vibrating diaphragm and voice coil loudspeaker voice coil group that drives the vibrating diaphragm to vibrate, the voice coil loudspeaker voice coil group includes at least two voice coils, the voice coil loudspeaker voice coil is connected with vibrating diaphragm; the magnetic circuit system comprises a basin frame fixed with the shell, a central magnet arranged on the basin frame and edge magnets distributed on the outer side of the central magnet, at least two magnetic gaps are formed between the central magnet and the edge magnets, the voice coils correspond to the magnetic gaps one to one, and the voice coils are suspended in the corresponding magnetic gaps. The utility model discloses the speaker is through designing two at least voice coil loudspeaker voice coils, has increased the bus length of voice coil loudspeaker voice coil, improves the drive power to the vibrating diaphragm, can reach higher frequency response, guarantees product acoustics performance, moreover because the design of many voice coil loudspeaker voice coils for voice coil loudspeaker voice coil and vibrating diaphragm firm in connection both prevent that the voice coil loudspeaker voice coil from dropping, restrain the high frequency resonance of reinforcement portion again, prevent the condition that the acoustics became invalid.
Description
Technical Field
The utility model relates to an acoustics device technical field, in particular to speaker and electronic equipment.
Background
At present, in a micro-speaker, a single voice coil and a single magnetic circuit structure are generally designed, or a single voice coil and a multi-magnetic circuit structure are generally designed, so that the electromagnetic driving force cannot be effectively improved due to the limitation of design conditions and the property of materials, and higher frequency response is achieved. And, in the design of single voice coil, voice coil and vibrating diaphragm bonding area are less, and relative adhesion is also less, and at the high frequency response in-process, the resonance of vibrating diaphragm can make the product produce and cut apart the vibration if can't obtain effectual suppression, leads to the acoustics inefficacy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a speaker and electronic equipment, aim at solving among the prior art problem that the speaker can't reach higher frequency response and can't restrain the resonance and lead to the acoustics inefficacy.
In order to achieve the above object, the present invention provides a speaker, which includes a housing, a vibration system and a magnetic circuit system accommodated in the housing, wherein the vibration system includes a vibrating diaphragm and a voice coil group for driving the vibrating diaphragm to vibrate, the voice coil group includes at least two voice coils, and the voice coils are connected to the vibrating diaphragm; magnetic circuit include with the basin frame that the shell is fixed, install central magnet on the basin frame and distribute in the limit magnet in the central magnet outside, central magnet with form two at least magnetic gaps between the limit magnet, the voice coil loudspeaker voice coil with the magnetic gap one-to-one, just the voice coil loudspeaker voice coil hangs to be located and corresponds in the magnetic gap.
Preferably, the vibrating diaphragm comprises a horizontal part, a bending ring part and a fixing part which are sequentially connected from inside to outside, the voice coil is connected with the horizontal part, and the fixing part is fixed on the shell.
Preferably, the voice coil is adhered to one side of the horizontal part, and a reinforcing part is adhered to one side of the horizontal part, which is away from the voice coil.
Preferably, the voice coils are rectangular annular structures formed by winding voice coil wires, the length direction of each voice coil is consistent with the length direction of the vibrating diaphragm, and at least two voice coils are arranged at intervals along the width direction of the vibrating diaphragm.
Preferably, the vibration system includes at least two voice coil groups, and the at least two voice coil groups are arranged at intervals along the length direction of the diaphragm.
Preferably, the number of the voice coil groups is two, each voice coil group comprises two voice coils, and the four voice coils are distributed in an array manner along the length direction and the width direction of the diaphragm.
Preferably, the number of the center magnets is four, the number of the side magnets is multiple, and magnetic gaps corresponding to the four voice coils one to one are formed among the four center magnets and the multiple side magnets.
Preferably, the number of the side magnets is three, one of the side magnets is an i-shaped side magnet, the i-shaped side magnet comprises a first transverse section and two first vertical sections vertically connected to two ends of the first transverse section respectively, the other two side magnets are T-shaped side magnets, the T-shaped side magnet comprises a second transverse section and a second vertical section vertically connected to the middle of the second transverse section, the two T-shaped side magnets are respectively arranged on two sides of the i-shaped side magnet, the second transverse section is parallel to the first transverse section, and the second vertical section extends towards the first transverse section; and magnetic gaps which correspond to the four voice coils one by one are formed among the I-shaped edge magnets, the four central magnets and the two T-shaped edge magnets.
Preferably, the speaker includes two pads, I shape limit magnet is located two between the pad, is located two of first horizontal section one side the voice coil loudspeaker voice coil series connection forms one row of voice coil loudspeaker voice coil, is located two of first horizontal section opposite side the voice coil loudspeaker voice coil series connection forms another row of voice coil loudspeaker voice coil, each row the both ends of voice coil loudspeaker voice coil correspond respectively with two the pad electricity is connected, so that two rows be parallelly connected the setting between the voice coil loudspeaker voice coil.
Preferably, the magnetic circuit system further comprises a center washer disposed on the center magnet and a side washer disposed on the side magnet.
The utility model also provides an electronic equipment, electronic equipment includes as above speaker.
The utility model discloses the speaker is through designing two at least voice coil loudspeaker voice coils, the whole number of winding turns of voice coil loudspeaker voice coil has been increased, the total line length of voice coil loudspeaker voice coil has been increased, improve the drive power to the vibrating diaphragm, can reach higher frequency response, guarantee product acoustic performance, and because the design of many voice coil loudspeaker voice coils, increase the integral connection area between voice coil loudspeaker voice coil and the vibrating diaphragm, make voice coil loudspeaker voice coil and vibrating diaphragm firm in connection, both prevent that the voice coil loudspeaker voice coil from dropping, the restriction to the vibrating diaphragm degree of freedom has been increased again, increase the damping to the vibrating diaphragm, restrain the high-frequency resonance of vibrating diaphragm, avoid producing and cut apart the.
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 an exploded schematic view of a speaker according to an embodiment of the present invention;
fig. 2 is a schematic top cross-sectional view of a speaker according to an embodiment of the present invention;
fig. 3 is a schematic front cross-sectional view of a speaker according to an embodiment of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Loudspeaker | 50b | I- |
| 10 | |
50c | T- |
| 11 | Reinforcing |
51 | First |
| 12 | |
52 | First |
| 13 | Folded |
53 | Second |
| 14 | Fixing |
54 | Second |
| 20 | |
60 | |
| 21 | |
70 | |
| 30 | |
80 | |
| 40 | |
90 | |
| 50 | Edge magnet |
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 present invention is described in the directions of "up", "down", "front", "back", "left", "right", etc. with reference to the direction shown in fig. 2, and is only used to explain the relative positional relationship between the components in the posture shown in fig. 2, and if the specific posture is changed, the directional indication is also changed accordingly.
The utility model provides a loudspeaker.
As shown in fig. 1 to fig. 3, in this embodiment, the speaker 100 includes a housing (not shown), a vibration system and a magnetic circuit system, where the vibration system and the magnetic circuit system are accommodated in the housing, the vibration system includes a diaphragm 10 and a voice coil set for driving the diaphragm 10 to vibrate, the voice coil set includes at least two voice coils 20, and the voice coils 20 are connected to the diaphragm 10; the magnetic circuit system comprises a basin frame 30 fixed with the shell, a central magnet 40 installed on the basin frame 30 and edge magnets 50 distributed on the outer side of the central magnet 40, at least two magnetic gaps 60 are formed between the central magnet 40 and the edge magnets 50, the voice coils 20 correspond to the magnetic gaps 60 one by one, and the voice coils 20 are suspended in the corresponding magnetic gaps 60.
In the speaker 100 of the present embodiment, a magnetic gap 60 is formed between the central magnet 40 and the side magnets 50, the magnetic gap 60 generates a magnetic field, and the voice coil 20 performs a reciprocating motion in the magnetic gap 60 to cut magnetic lines of force and drive the diaphragm 10 to vibrate, so as to drive air to generate sound and complete energy conversion between electric sound and electricity. The driving force generated by the voice coil 20 during the reciprocating motion is mainly determined by the length of the voice coil 20, the longer the length of the voice coil 20, the greater the driving force is generated, the greater the driving force is, the higher the frequency response is, and the more excellent the acoustic performance of the product is. In addition, the connection firmness degree of the voice coil 20 and the diaphragm 10 mainly depends on the sectional area of the voice coil 20, and the larger the sectional area of the voice coil 20 is, the larger the connection area and the connection firmness degree between the voice coil 20 and the diaphragm 10 are. This embodiment speaker 100 is through designing two at least voice coil loudspeaker voice coils 20, the whole number of winding turns of voice coil loudspeaker voice coil 20 has been increased, the total line length of voice coil loudspeaker voice coil 20 has been increased, improve the drive power to vibrating diaphragm 10, can reach higher frequency response, guarantee product acoustic performance, and because many voice coil loudspeaker voice coil 20's design, increase the monolithic connection area between voice coil loudspeaker voice coil 20 and the vibrating diaphragm 10, make voice coil loudspeaker voice coil 20 and vibrating diaphragm 10 firm in connection, both prevent that voice coil loudspeaker voice coil 20 from dropping, the restriction to vibrating diaphragm 10 degree of freedom has been increased again, increase the damping to vibrating diaphragm 10, restrain the high-frequency resonance of vibrating diaphragm 10, avoid producing and cut apart the vibration, and then prevent.
In this embodiment, the diaphragm 10 includes a horizontal portion 12, a corrugated portion 13, and a fixing portion 14 connected in sequence from inside to outside, wherein the voice coil 20 is connected to the horizontal portion 12, and the fixing portion 14 is fixed to the housing. Further, the voice coil 20 is connected to one side of the horizontal portion 12, and a reinforcing portion 11(Dome) is disposed on one side of the horizontal portion 12 away from the voice coil 20. As shown in fig. 3, the voice coil 20 is connected to the lower side of the horizontal portion 12, the reinforcing portion 11 is provided on the upper side of the horizontal portion 12, and the outer periphery of the fixing portion 14 is fixed to the housing. The reinforcing part 11 is disposed on the upper side of the horizontal part 12, that is, the reinforcing part 11 is disposed at the middle position of the vibrating diaphragm 10, so that the strength of the vibrating diaphragm 10 is increased, the vibrating diaphragm 10 is prevented from generating segmentation vibration in a high frequency band, the vibration stability of the vibrating diaphragm 10 is ensured, and the acoustic performance of the product is improved. The flexure 13 is connected between the horizontal portion 12 and the fixed portion 14, and maintains axial vibration of the diaphragm 10 and ensures axial reciprocating movement of the voice coil 20 in the magnetic gap 60.
Further, the voice coil 20 is adhered to one side of the horizontal portion 12, and the reinforcing portion 11 is adhered to one side of the horizontal portion 12 away from the voice coil 20. Specifically, as shown in fig. 3, each voice coil 20 may be bonded to the lower side of the horizontal portion 12 by glue, which is simple and convenient, and the design of the multiple voice coils 20 may increase the bonding area between the voice coils 20 and the horizontal portion 12, increase the bonding force with the horizontal portion 12, and further increase the bonding strength with the horizontal portion 12. The reinforcing part 11 is tiled on the upper side of the horizontal part 12 and is bonded with the horizontal part 12, so that the manufacturing is easy, the bonding is firm, the reinforcing part 11 is prevented from being separated from the vibrating diaphragm 10, and the normal work of the loudspeaker 100 is ensured.
The voice coil 20 of the present embodiment is a rectangular ring structure formed by winding a voice coil wire 21, the length direction of each voice coil 20 is consistent with the length direction of the diaphragm 10, and at least two voice coils 20 are arranged at intervals along the width direction of the diaphragm 10. As shown in fig. 1 and 2, the length direction of the diaphragm 10 is the left-right direction, the width direction of the diaphragm 10 is the front-back direction, the voice coil 20 is a rectangular ring structure formed by sleeving the voice coil wire 21, and the length direction of each voice coil 20 is the left-right direction, so that the bonding area between each voice coil 20 and the diaphragm 10 is increased, the overall length of the voice coil 20 is greatly increased, the driving force is further increased, higher frequency response is achieved, and the acoustic performance of the product is improved. At least two voice coils 20 are evenly arranged along the front and back direction at intervals, and the loudspeaker has a compact structure and reasonable layout, increases the number of the voice coils 20 and the total bonding area of the vibrating diaphragm 10 to a greater extent in a limited space, and is suitable for the micro-speaker 100.
In an embodiment, as shown in fig. 1 to 3, the vibration system includes at least two voice coil sets, and the at least two voice coil sets are arranged at intervals along the length direction of the diaphragm 10. Through setting up two at least voice coil loudspeaker voice coil groups, and interval arrangement about a plurality of voice coil loudspeaker voice coil groups has further increased voice coil loudspeaker voice coil 20 overall length and with the bonding area of vibrating diaphragm 10, improvement product acoustic performance and reliability.
The quantity of voice coil group is two, and each voice coil group includes two voice coils 20, and four voice coils 20 are the array distribution along the length direction and the width direction of vibrating diaphragm 10. Due to the arrangement of the four voice coils 20, the total length of the voice coils 20 is longer, the bonding area between the voice coils 20 and the diaphragm 10 is larger, and the effects of achieving higher frequency response and suppressing resonance are better.
The number of the center magnets 40 is four, the number of the side magnets 50 is plural, and the four center magnets 40 and the plural side magnets 50 form magnetic gaps 60 corresponding to the four voice coils 20 one by one. It should be understood that, in an embodiment, each voice coil 40 is provided with one central magnet 40 and one or more side magnets 50, for example, one annular side magnet 50 may be provided outside one central magnet 40, two L-shaped side magnets 50 arranged symmetrically and in an annular arrangement may be provided correspondingly, and four bar-shaped side magnets 50 arranged in an annular arrangement may also be provided correspondingly, that is, the number and the shape of the side magnets 50 may be flexibly set according to actual situations, and it is only necessary to form the magnetic gaps 60 corresponding to the four voice coils 20 one by one between the four central magnets 40 and the side magnets 50.
In a preferred embodiment, the number of the edge magnets 50 is three, wherein one edge magnet 50 is an i-shaped edge magnet 50b, the i-shaped edge magnet 50b includes a first transverse section 51 and two first vertical sections 52 vertically connected to two ends of the first transverse section 51, respectively, the other two edge magnets 50 are T-shaped edge magnets 50c, the T-shaped edge magnet 50c includes a second transverse section 53 and a second vertical section 54 vertically connected to a middle portion of the second transverse section 53, the two T-shaped edge magnets 50c are respectively disposed on two sides of the i-shaped edge magnet 50b, the second transverse section 53 is parallel to the first transverse section 51, and the second vertical section 54 extends toward the first transverse section 51; magnetic gaps 60 corresponding to the four voice coils 20 one to one are formed among the i-shaped edge magnets 50b, the four center magnets 40, and the two T-shaped edge magnets 50 c.
Specifically, as shown in fig. 1 and 2, two voice coil groups are arranged at a left-right interval, and two voice coils 20 of each voice coil group are arranged at a front-rear interval, so that four voice coils 20 are arranged in an array. The number of the center magnets 40 is four, and one center magnet 40 is provided corresponding to the center region of each voice coil 20. The two T-shaped side magnets 50c are symmetrically arranged on the front side and the rear side of the i-shaped side magnet 50b, the second transverse section 53 and the first transverse section 51 are arranged in parallel and extend in the left-right direction, wherein the second vertical section 54 in one T-shaped side magnet 50c located on the front side of the i-shaped side magnet 50b extends backwards, the second vertical section 54 in one T-shaped side magnet 50c located on the rear side of the i-shaped side magnet 50b extends forwards, four magnetic gaps 60 are formed among the i-shaped side magnet 50b, the four central magnets 40 and the two T-shaped side magnets 50c, and the four voice coils 20 are correspondingly suspended in the four magnetic gaps 60 one by one, so that the multi-voice coil 20 and multi-magnetic circuit structure of the loudspeaker 100 is realized, the acoustic performance of the product is ensured, and the acoustic failure is prevented. Compared with the loudspeaker 100 with the double voice coils 20 and the double magnetic circuit structure, in the loudspeaker 100 with the multi voice coils 20 and the multi magnetic circuit structure, the total length of the voice coils 20 is longer, the bonding area between the voice coils 20 and the diaphragm 10 is larger, and the effects of achieving higher frequency response and inhibiting resonance are better.
In this embodiment, the speaker 100 includes two bonding pads 70, the i-shaped edge magnet 50b is located between the two bonding pads 70, the two voice coils 20 located on one side of the first transverse section 51 are connected in series to form one row of voice coils 20, the two voice coils 20 located on the other side of the first transverse section 51 are connected in series to form the other row of voice coils 20, and two ends of each row of voice coils 20 are electrically connected to the two bonding pads 70, respectively, so that the two rows of voice coils 20 are arranged in parallel. As shown in fig. 1 and fig. 2, two voice coils 20 located at the front side of the first transverse section 51 are connected in series to form a row of voice coils 20, two voice coils 20 located at the rear side of the first transverse section 51 are connected in series to form another row of voice coils 20, and the two rows of voice coils 20 are arranged in parallel, so that the total length of the voice coils 20 is increased, the resistance of the voice coil group is reduced, and the working efficiency of the loudspeaker 100 is ensured. It is understood that the voice coil wire 21 is a conductive wire, and one end of each voice coil 20 is connected in series with the voice coil 20 disposed in the same row thereof through the voice coil wire 21, and the other end is electrically connected to the pad 70 through the voice coil wire 21 thereof.
The magnetic circuit system of the present embodiment further includes a center washer 80 provided on the center magnet 40 and a side washer 90 provided on the side magnet 50. The arrangement of the center washer 80 and the edge washer 90 can respectively correct the magnetic force emitted by the center magnet 40 and the edge magnet 50, and improve the acoustic performance of the product.
The utility model also provides an electronic equipment, electronic equipment includes foretell speaker 100. It can be understood that the electronic device can be a mobile phone, a tablet, a smart watch, a bracelet and other electronic products. Since the electronic device adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.
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 (11)
1. A loudspeaker comprises a shell, a vibration system and a magnetic circuit system, wherein the vibration system and the magnetic circuit system are accommodated in the shell, and the loudspeaker is characterized in that the vibration system comprises a vibrating diaphragm and a voice coil group for driving the vibrating diaphragm to vibrate, the voice coil group comprises at least two voice coils, and the voice coils are connected with the vibrating diaphragm; magnetic circuit include with the basin frame that the shell is fixed, install central magnet on the basin frame and distribute in the limit magnet in the central magnet outside, central magnet with form two at least magnetic gaps between the limit magnet, the voice coil loudspeaker voice coil with the magnetic gap one-to-one, just the voice coil loudspeaker voice coil hangs to be located and corresponds in the magnetic gap.
2. The speaker of claim 1, wherein the diaphragm comprises a horizontal portion, a bent portion and a fixing portion connected in sequence from inside to outside, the voice coil is connected to the horizontal portion, and the fixing portion is fixed to the housing.
3. The loudspeaker of claim 2, wherein the voice coil is bonded to a side of the horizontal portion, and a reinforcing portion is bonded to a side of the horizontal portion facing away from the voice coil.
4. The loudspeaker of claim 1, wherein the voice coils are rectangular ring structures formed by winding voice coils, the length direction of each voice coil is consistent with the length direction of the diaphragm, and at least two voice coils are arranged at intervals along the width direction of the diaphragm.
5. The loudspeaker of claim 4, wherein the vibration system comprises at least two voice coil groups, and at least two voice coil groups are arranged at intervals along the length direction of the diaphragm.
6. The loudspeaker according to any one of claims 1 to 5, wherein the number of the voice coil groups is two, each of the voice coil groups comprises two voice coils, and four voice coils are distributed in an array along the length direction and the width direction of the diaphragm.
7. The speaker of claim 6, wherein the number of the center magnets is four, the number of the side magnets is plural, and magnetic gaps corresponding to four voice coils are formed between the four center magnets and the plural side magnets.
8. The loudspeaker of claim 7, wherein the number of the edge magnets is three, one of the edge magnets is an i-shaped edge magnet, the i-shaped edge magnet includes a first transverse section and two first vertical sections vertically connected to two ends of the first transverse section, the other two edge magnets are T-shaped edge magnets, the T-shaped edge magnet includes a second transverse section and a second vertical section vertically connected to a middle portion of the second transverse section, the two T-shaped edge magnets are respectively disposed on two sides of the i-shaped edge magnet, the second transverse section is parallel to the first transverse section, and the second vertical section extends toward the first transverse section; and magnetic gaps which correspond to the four voice coils one by one are formed among the I-shaped edge magnets, the four central magnets and the two T-shaped edge magnets.
9. The loudspeaker of claim 8, wherein the loudspeaker includes two bonding pads, the i-shaped edge magnet is located between the two bonding pads, the two voice coils located on one side of the first transverse section are connected in series to form a row of voice coils, the two voice coils located on the other side of the first transverse section are connected in series to form another row of voice coils, and two ends of each row of voice coils are respectively and correspondingly electrically connected with the two bonding pads, so that the two rows of voice coils are arranged in parallel.
10. The loudspeaker according to any of claims 1 to 5, wherein the magnetic circuit further comprises a center washer disposed on the center magnet and a rim washer disposed on the rim magnet.
11. An electronic device, characterized in that the electronic device comprises a loudspeaker according to any of claims 1-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021719537.0U CN212727396U (en) | 2020-08-17 | 2020-08-17 | Speaker and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021719537.0U CN212727396U (en) | 2020-08-17 | 2020-08-17 | Speaker and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN212727396U true CN212727396U (en) | 2021-03-16 |
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|---|---|---|---|
| CN202021719537.0U Active CN212727396U (en) | 2020-08-17 | 2020-08-17 | Speaker and electronic equipment |
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| CN (1) | CN212727396U (en) |
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| CN113132868A (en) * | 2021-04-23 | 2021-07-16 | 维沃移动通信有限公司 | Speaker, amplitude adjusting method, amplitude adjusting device, and electronic apparatus |
| CN114449421A (en) * | 2022-01-30 | 2022-05-06 | 歌尔科技有限公司 | Speaker and electronic apparatus |
| CN114501259A (en) * | 2021-06-29 | 2022-05-13 | 荣耀终端有限公司 | Kernel, loudspeaker module and electronic equipment |
| CN114554368A (en) * | 2021-04-01 | 2022-05-27 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114979910A (en) * | 2022-07-29 | 2022-08-30 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN115604634A (en) * | 2022-08-17 | 2023-01-13 | 广东声扬音响设备有限公司（Cn） | Anti-interference multi-voice-coil-link common magnetic device arranged in parallel |
| WO2023029722A1 (en) * | 2021-08-31 | 2023-03-09 | 歌尔股份有限公司 | Sound emitting device for electronic device, and electronic device |
| WO2023093528A1 (en) * | 2021-11-24 | 2023-06-01 | 华为技术有限公司 | Moving-iron exciter and audio device |
| WO2023221864A1 (en) * | 2022-05-16 | 2023-11-23 | 华为技术有限公司 | Loudspeaker and electronic device |
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| CN114554367B (en) * | 2021-04-01 | 2023-10-03 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
| CN114554367A (en) * | 2021-04-01 | 2022-05-27 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114554368B (en) * | 2021-04-01 | 2024-02-09 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
| CN114554368A (en) * | 2021-04-01 | 2022-05-27 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114554369B (en) * | 2021-04-01 | 2023-11-21 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
| CN114554369A (en) * | 2021-04-01 | 2022-05-27 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN113132868A (en) * | 2021-04-23 | 2021-07-16 | 维沃移动通信有限公司 | Speaker, amplitude adjusting method, amplitude adjusting device, and electronic apparatus |
| CN114501259A (en) * | 2021-06-29 | 2022-05-13 | 荣耀终端有限公司 | Kernel, loudspeaker module and electronic equipment |
| WO2023029722A1 (en) * | 2021-08-31 | 2023-03-09 | 歌尔股份有限公司 | Sound emitting device for electronic device, and electronic device |
| WO2023093528A1 (en) * | 2021-11-24 | 2023-06-01 | 华为技术有限公司 | Moving-iron exciter and audio device |
| CN114449421A (en) * | 2022-01-30 | 2022-05-06 | 歌尔科技有限公司 | Speaker and electronic apparatus |
| CN114449421B (en) * | 2022-01-30 | 2024-04-09 | 歌尔科技有限公司 | Speaker and electronic device |
| WO2023221864A1 (en) * | 2022-05-16 | 2023-11-23 | 华为技术有限公司 | Loudspeaker and electronic device |
| CN114979910A (en) * | 2022-07-29 | 2022-08-30 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN114979910B (en) * | 2022-07-29 | 2022-11-25 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| CN115604634B (en) * | 2022-08-17 | 2023-08-11 | 广东声扬音响设备有限公司 | Parallel-arrangement anti-interference multi-voice coil link co-magnetic device |
| CN115604634A (en) * | 2022-08-17 | 2023-01-13 | 广东声扬音响设备有限公司（Cn） | Anti-interference multi-voice-coil-link common magnetic device arranged in parallel |
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