CN213126464U - Sound production monomer and speaker box - Google Patents
Sound production monomer and speaker box Download PDFInfo
- Publication number
- CN213126464U CN213126464U CN202022143586.0U CN202022143586U CN213126464U CN 213126464 U CN213126464 U CN 213126464U CN 202022143586 U CN202022143586 U CN 202022143586U CN 213126464 U CN213126464 U CN 213126464U
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- frame
- sound
- magnetic steel
- pressure relief
- magnetic circuit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
Abstract
The utility model provides a sounding monomer and a loudspeaker box, which comprises a basin frame, a vibration system fixed on the basin frame and a magnetic circuit system used for driving the vibration system to vibrate and sound, wherein the basin frame comprises a frame and a support plate arranged in the frame; the magnetic circuit system comprises a first magnetic circuit system accommodated in the frame and positioned at one side of the supporting plate and a second magnetic circuit system accommodated in the frame and positioned at the other side of the supporting plate; the vibration system comprises a first vibration system corresponding to the first magnetic circuit system and fixed at one end of the frame and a second vibration system corresponding to the second magnetic circuit system and fixed at the other end of the frame. This sound production monomer assembles two sets of sound producing element as an organic whole through this technical scheme, and simple structure is stable.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of electroacoustic conversion especially relates to a sound production monomer and speaker box.
[ background of the invention ]
With the rapid development of electronic information technology, more and more loudspeaker boxes are applied to various electronic products, especially mobile communication equipment widely applied by people, and people not only care about miniaturization and multifunction of the loudspeaker boxes, but also require high voice effect and high quality of the loudspeaker boxes.
The loudspeaker box in the prior art generally improves the loudness by arranging two groups of sound generating elements, and avoids the situation that the loudspeaker box cannot meet the requirement of people on the loudness of sound because the loudspeaker box is in a noisy place. However, the two sets of sound generating elements are built in, which results in a complicated structure and low reliability of the speaker box.
Therefore, it is necessary to provide a new sound generating unit and a speaker box to solve the above problems.
[ Utility model ] content
An object of the utility model is to provide a sound production monomer and speaker box, this sound production monomer assembles in an organic whole two sets of sound generating component, and simple structure is stable.
To this end, according to a first aspect, an embodiment provides a sound emitting cell comprising: the sounding unit comprises a basin frame, a vibration system fixed on the basin frame and a magnetic circuit system used for driving the vibration system to vibrate and sound, and the basin frame comprises a frame and a supporting plate arranged in the frame; the magnetic circuit system comprises a first magnetic circuit system accommodated in the frame and positioned at one side of the supporting plate and a second magnetic circuit system accommodated in the frame and positioned at the other side of the supporting plate; the vibration system comprises a first vibration system corresponding to the first magnetic circuit system and fixed at one end of the frame and a second vibration system corresponding to the second magnetic circuit system and fixed at the other end of the frame.
As an improvement, the first magnetic circuit system comprises a first main magnetic steel and a first auxiliary magnetic steel arranged around the first main magnetic steel; the second magnetic circuit system comprises second main magnetic steel and second auxiliary magnetic steel arranged around the second main magnetic steel;
the supporting plate comprises a first supporting portion and a second supporting portion, wherein the first supporting portion is clamped between the first main magnetic steel and the second main magnetic steel, the second supporting portion is formed by extending from the first supporting portion towards the frame, and the second supporting portion is clamped between the first auxiliary magnetic steel and the second auxiliary magnetic steel.
As an improvement, the first magnetic circuit system further comprises a first main pole core attached to the first main magnetic steel and a first auxiliary pole core arranged around the first main pole core and attached to the first auxiliary magnetic steel;
the second magnetic circuit system further comprises a second main pole core attached to the second main magnetic steel and a second auxiliary pole core surrounding the second main pole core and attached to the second auxiliary magnetic steel.
As an improvement, the first auxiliary pole core and the second auxiliary pole core are both fixed to the frame by welding.
As an improvement, the first auxiliary pole core comprises a plurality of first main body parts correspondingly attached to the first auxiliary magnetic steel and a first connecting part connected between two adjacent first main body parts;
the second auxiliary pole core comprises a plurality of corresponding adhesive parts and is arranged on a second main body part of the second auxiliary magnetic steel and a second connecting part connected between the two adjacent main body parts.
As an improvement, a first through hole is formed between two adjacent first main body parts and the first connecting part, a second through hole is formed between two adjacent first auxiliary magnetic steels, and a first pressure relief channel is formed between the first through hole and the second through hole;
a third through hole is formed by two adjacent second main body parts and the second connecting part, a fourth through hole is formed by two adjacent second auxiliary magnetic steels, and a second pressure relief channel is formed by the third through hole and the fourth through hole;
the frame is provided with a pressure relief hole communicated with the first pressure relief channel and the second pressure relief channel in a penetrating manner.
As an improvement, two adjacent second supporting parts form a fifth through hole for communicating the first pressure relief channel and the second pressure relief channel, and the first pressure relief channel, the fifth through hole and the second pressure relief channel form a pressure relief channel.
According to the second aspect, an embodiment provides a speaker box, including the basin have the cavity the casing with accept in sound production monomer in the cavity, sound production monomer does the utility model discloses the first aspect sound production monomer, set up being used for that the homonymy set up on the casing the sound hole of sound production monomer sound production.
As an improvement, the casing is including having the lower apron of cavity closes with the lid the upper cover plate of apron down, the diapire orientation of apron down the upper cover plate extends and forms the partition wall, the through-hole has been seted up to the partition wall, just the cavity warp the partition wall is separated into and is used for acceping the free chamber of acceping of sound production and warp the through-hole with the back sound chamber of the free pressure release hole intercommunication of sound production.
As an improvement, the first vibration system, the partition wall and the upper cover plate form a first front sound cavity, the second vibration system, the partition wall and the lower cover plate form a second front sound cavity, and the lower cover plate is provided with the sound outlet respectively communicated with the first front sound cavity and the second front sound cavity.
The beneficial effects of the utility model reside in that: in the utility model, the first magnetic circuit system is fixed in the frame through one side of the supporting plate, and the first vibration system corresponding to the first magnetic circuit system is fixed at one end of the frame; the second magnetic circuit system is fixed on the frame 111 through the other side of the supporting plate, the second vibration system corresponding to the second magnetic circuit system is fixed at the other end of the frame, and the first magnetic circuit system, the first vibration system, the second magnetic circuit system and the second vibration system are assembled into an integral symmetrical sounding unit through the frame and the supporting plate, so that the structure is simple and stable; meanwhile, the first magnetic circuit system drives the first vibration system to vibrate and sound, the second magnetic circuit system drives the second vibration system to vibrate and sound, and the symmetrical sound production single body has the acoustic performance of the two groups of sound production elements. Through this technical scheme promptly, this sound production monomer assembles in an organic whole two sets of sound generating component, and simple structure is stable.
[ description of the drawings ]
Fig. 1 is a schematic overall structure diagram of a speaker box according to an embodiment of the present invention;
FIG. 2 is an exploded view of the speaker cabinet of FIG. 1;
fig. 3 is a schematic view of a sound generating unit of the speaker box of fig. 1;
FIG. 4 is an exploded view of the sounding unit of FIG. 3;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 6 is a sectional view taken along the line a-a in fig. 1.
[ detailed description ] embodiments
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model provides a loudspeaker box 100 participates in fig. 1 and fig. 2, and it is including the casing 20 that has cavity 211, accept the sound production monomer 10 in cavity 211, runs through on the casing 20 and has seted up out phonate hole 213, and sound production monomer 10 vibrates the sound production and goes out the sound through phonate hole 213.
The speaker box 100 of the embodiment of the present invention is configured with a symmetrical sounding unit 10, please refer to fig. 3-5, the sounding unit 10 includes a basin frame 11, a vibration system 12 fixed on the basin frame 11, and a magnetic circuit 13 for driving the vibration system 12 to vibrate and generate sound.
Wherein, the frame 11 comprises a frame 111 and a support plate 112 arranged in the frame 111; the magnetic circuit system 13 comprises a first magnetic circuit system 131 accommodated in the frame 111 and located at one side of the support plate 112 and a second magnetic circuit system 132 accommodated in the frame 111 and located at the other side of the support plate 112; the vibration system 12 includes a first vibration system 121 corresponding to the first magnetic circuit system 131 and fixed to one end of the frame 111, and a second vibration system 122 corresponding to the second magnetic circuit system 132 and fixed to the other end of the frame 111.
In the present invention, the first magnetic circuit system 131 is fixed in the frame 111 through one side of the supporting plate 112, and the first vibration system 121 corresponding to the first magnetic circuit system 131 is fixed at one end of the frame 111; the second magnetic circuit 132 is fixed in the frame 111 through the other side of the supporting plate 112, the second vibration system 122 corresponding to the second magnetic circuit 132 is fixed at the other end of the frame 111, and the first magnetic circuit 131, the first vibration system 121, the second magnetic circuit 132 and the second vibration system 122 are assembled into the integrally symmetrical sound generating unit 10 through the frame 111 and the supporting plate 112, so that the structure is simple and stable; meanwhile, the first magnetic circuit system 131 drives the first vibration system 121 to vibrate and generate sound, and the second magnetic circuit system 132 drives the second vibration system 122 to vibrate and generate sound, and the symmetrical sound generating unit 10 has the acoustic performance of two sets of sound generating elements. Namely, according to the technical scheme, the two groups of sound generating elements are assembled into a whole by the sound generating unit 10, and the structure is simple and stable.
Specifically, the first vibration system 121 includes a first diaphragm 1211 and a first voice coil 1212, the first diaphragm 1211 includes a first ring 1211a having an outer side fixed to one end of the frame 111 and a first dome 1211b fixed to an inner side of the first ring 1211a, and the first voice coil 1212 is fixed below the first dome 1211 b; the first magnetic circuit 131 includes a first main magnetic steel 1311 and a first sub magnetic steel 1312 surrounding the first main magnetic steel 1311, the first main magnetic steel 1311 and the first sub magnetic steel 1312 form a first magnetic gap 131a, and the first voice coil 1212 is at least partially inserted into the first magnetic gap 131 a. The second vibration system 122 includes a second diaphragm 1221 and a second voice coil 1222, the second diaphragm 1221 includes a second folded ring 1221a whose outer side is fixed to the other end of the frame 111, and a second dome 1221b fixed to the inner side of the second folded ring 1221a, the second magnetic circuit 132 includes a second main magnetic steel 1321 and a second sub magnetic steel 1322 disposed around the second main magnetic steel 1321, the first main magnetic steel 1311 and the second sub magnetic steel 1322 form a second magnetic gap 132a, and the second voice coil 1222 is at least partially inserted into the second magnetic gap 132 a.
Referring to fig. 4, in a specific embodiment, the supporting plate 112 includes a first supporting portion 1121 interposed between the first main magnetic steel 1311 and the second main magnetic steel 1321, and a second supporting portion 1122 formed by extending from the first supporting portion 1121 toward the frame 111 and interposed between the first sub magnetic steel 1312 and the second sub magnetic steel 1322. Namely, the first main magnetic steel 1311 is attached to one side of the first supporting portion 1121, and the second main magnetic steel 1321 is attached to the other side of the first supporting portion 1121; the first sub magnetic steel 1312 is attached to one side of the second support portion 1122, and the second sub magnetic steel 1322 is attached to the other side of the second support portion 1122.
In addition, the first magnetic circuit system 131 further includes a first main pole core 1313 attached to the first main magnetic steel 1311, and a first auxiliary pole core 1314 disposed around the first main pole core 1313 and attached to the first auxiliary magnetic steel 1312; the second magnetic circuit 132 further includes a second main pole core 1323 attached to the second main magnetic steel 1321, and a second auxiliary pole core 1324 disposed around the second main pole core 1323 and attached to the second auxiliary magnetic steel 1322.
In one embodiment, the first secondary pole core 1314 and the second secondary pole core 1324 are welded and fixed to the frame 111 to enhance the reliability of the whole structure of the sound generating unit 10.
With continued reference to fig. 4, the first auxiliary pole piece 1314 includes a plurality of first main body portions 1314a correspondingly attached to the first auxiliary magnetic steel 1312; taking the first main magnetic steel 1311 as a rectangular structure, and four first sub magnetic steels 1312 as an example, four first sub magnetic steels 1312 are disposed around the first main magnetic steel 1311, and four first main body portions 1314a may be disposed on the four first sub magnetic steels 1312 in a one-to-one correspondence manner.
The second secondary pole core 1324 includes a plurality of second main body portions 1324a correspondingly attached to the second secondary magnetic steel 1322. Taking the second main magnetic steel 1321 as a rectangular structure, and four second sub magnetic steels 1322, the four second sub magnetic steels 1322 are disposed around the second main magnetic steel 1321, and the four second main body portions 1324a may be disposed on the four second sub magnetic steels 1322 in a one-to-one correspondence manner.
In one embodiment, the first auxiliary pole core 1314 includes a first connecting portion 1314b connected between two adjacent first main body portions 1314a, and the first connecting portion 1314b connects the plurality of first main body portions 1314a into a whole, so as to facilitate the plurality of first main body portions 1314a to be synchronously and stably attached to the first auxiliary magnetic steel 1312.
In an embodiment, the second auxiliary pole core 1324 includes a second connecting portion 1324b connected between two adjacent second main body portions 1324a, and the second connecting portion 1324b connects the plurality of second main body portions 1324a into a whole, so as to facilitate the synchronous and stable attachment of the plurality of second main body portions 1324a to the second auxiliary magnetic steel 1322.
Referring to fig. 4 and 5, a first through hole 1411 is formed between two adjacent first main body portions 1314a and the first connecting portion 1314b, a second through hole 1412 is formed between two adjacent first secondary magnetic steels 1312, and a first pressure relief channel 141 is formed between the first through hole 1411 and the second through hole 1412; the two adjacent second main body portions 1324a and the second connecting portion 1324b form a third port 1421, the two adjacent second secondary magnetic steels 1322 form a fourth port 1422, and the third port 1421 and the fourth port 1422 form a second pressure relief channel 142; the frame 111 has a pressure relief hole 111a formed therethrough and communicating with the first pressure relief passage 141 and the second pressure relief passage 142.
The first port 1411 and the second port 1412 form a first pressure relief channel 141, the pressure relief hole 111a is communicated with the first pressure relief channel 141, and when the first diaphragm 1211 vibrates, the gas below the first diaphragm 1211 is relieved through the first pressure relief channel 141 and the pressure relief hole 111a in sequence; the third port 1421 and the fourth port 1422 form a second pressure relief channel 142, the pressure relief hole 111a is communicated with the second pressure relief channel 142, and when the second diaphragm 1221 vibrates, the air below the second diaphragm 1221 is relieved through the second pressure relief channel 142 and the pressure relief hole 111a in sequence; thereby improving the low frequency acoustic performance of the sound emitting cell 10.
In one embodiment, two adjacent second supports 1122 form a fifth port 143 for communicating the first pressure relief channel 141 and the second pressure relief channel 142, and the first pressure relief channel 141, the fifth port 143 and the second pressure relief channel 142 form the pressure relief channel 14.
The pressure relief holes 111a are communicated with the pressure relief channel 14, the number of the pressure relief holes 111a is four and are spaced from each other, taking the rectangular structure of the frame 111 as an example, the four pressure relief holes 111a are respectively disposed at four corners of the frame 111, and of course, the number and the positions of the pressure relief holes 111a are not limited thereto.
Referring to fig. 2 and 6, in an embodiment of the speaker box 100, the housing 20 includes a lower cover 21 having a cavity 211 and an upper cover 22 covering the lower cover 21, a bottom wall of the lower cover 21 extends toward the upper cover 22 to form a partition wall 212, the partition wall 212 is provided with a through hole, and the cavity 211 is divided into an accommodating cavity 2111 for accommodating the sound generating unit 10 and a rear sound cavity 2112 communicated with the pressure relief hole 111a of the sound generating unit 10 through the through hole by the partition wall 212. After the sound generating unit 10 is accommodated in the accommodating cavity 2111, the pressure relief channel 14 of the sound generating unit 10 is communicated with the rear sound cavity 2112 through the pressure relief hole 111a and the through hole, so that the air below the first vibrating diaphragm 1211 is sequentially relieved into the rear sound cavity 2112 through the pressure relief channel 14, the pressure relief hole 111a and the through hole, and the air below the second vibrating diaphragm 1221 is sequentially relieved into the rear sound cavity 2112 through the pressure relief channel 14, the pressure relief hole 111a and the through hole, thereby improving the low-frequency acoustic performance of the speaker box 100.
In a specific embodiment of the speaker box 100, the first vibration system 121, the partition wall 212 and the upper cover 22 form a first front sound cavity 2111a, the second vibration system 122, the partition wall 212 and the lower cover 21 form a second front sound cavity 2111b, the lower cover 21 is opened with a sound outlet 213 respectively communicating with the first front sound cavity 2111a and the second front sound cavity 2111b, and the first front sound cavity 2111a and the second front sound cavity 2111b are used for generating sound, that is, the speaker box 100 can simultaneously drive the first vibration system 121 to generate sound through the first front sound cavity 2111a and the sound outlet 213 through the first magnetic circuit 131, and drive the second vibration system 122 to generate sound through the second front sound cavity 2111b and the sound outlet 213 through the second magnetic circuit 132, so as to increase the loudness of the speaker box 100.
The number of the sound outlet holes 213 may be two or more, and the two or more sound outlet holes 213 are disposed on the same side, so as to achieve the effect of increasing the sound loudness (i.e., volume) of the speaker box 100.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples are merely illustrative of several embodiments of the present invention, which are described in more detail and detail, but are not to be construed as limiting the scope of the claims. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A sounding monomer comprises a basin frame, a vibration system fixed on the basin frame and a magnetic circuit system used for driving the vibration system to vibrate and sound, and is characterized in that the basin frame comprises a frame and a supporting plate arranged in the frame; the magnetic circuit system comprises a first magnetic circuit system accommodated in the frame and positioned at one side of the supporting plate and a second magnetic circuit system accommodated in the frame and positioned at the other side of the supporting plate; the vibration system comprises a first vibration system corresponding to the first magnetic circuit system and fixed at one end of the frame and a second vibration system corresponding to the second magnetic circuit system and fixed at the other end of the frame.
2. The sound generating unit as claimed in claim 1,
the first magnetic circuit system comprises first main magnetic steel and first auxiliary magnetic steel arranged around the first main magnetic steel; the second magnetic circuit system comprises second main magnetic steel and second auxiliary magnetic steel arranged around the second main magnetic steel;
the supporting plate comprises a first supporting portion and a second supporting portion, wherein the first supporting portion is clamped between the first main magnetic steel and the second main magnetic steel, the second supporting portion is formed by extending from the first supporting portion towards the frame, and the second supporting portion is clamped between the first auxiliary magnetic steel and the second auxiliary magnetic steel.
3. The sounding monomer according to claim 2, wherein the first magnetic circuit system further comprises a first main pole core attached to the first main magnetic steel and a first auxiliary pole core disposed around the first main pole core and attached to the first auxiliary magnetic steel;
the second magnetic circuit system further comprises a second main pole core attached to the second main magnetic steel and a second auxiliary pole core surrounding the second main pole core and attached to the second auxiliary magnetic steel.
4. The sound generating unit according to claim 3, wherein the first secondary pole core and the second secondary pole core are both fixed to the frame by welding.
5. The sounding unit according to claim 4, wherein the first secondary pole core includes a plurality of first main body portions correspondingly attached to the first secondary magnetic steel and a first connecting portion connected between two adjacent first main body portions;
the second auxiliary pole core comprises a plurality of corresponding adhesive parts and is arranged on a second main body part of the second auxiliary magnetic steel and a second connecting part connected between the two adjacent main body parts.
6. The sounding unit according to claim 5, wherein two adjacent first main body portions and the first connecting portion form a first through opening, two adjacent first secondary magnetic steels form a second through opening, and the first through opening and the second through opening form a first pressure relief channel;
a third through hole is formed by two adjacent second main body parts and the second connecting part, a fourth through hole is formed by two adjacent second auxiliary magnetic steels, and a second pressure relief channel is formed by the third through hole and the fourth through hole;
the frame is provided with a pressure relief hole communicated with the first pressure relief channel and the second pressure relief channel in a penetrating manner.
7. The sounding unit according to claim 6, wherein two adjacent second supporting portions form a fifth through opening for communicating the first pressure relief channel and the second pressure relief channel, and the first pressure relief channel, the fifth through opening and the second pressure relief channel form a pressure relief channel.
8. The utility model provides a loudspeaker box, loudspeaker box is including the casing that has the cavity with accept in the sound production monomer in the cavity, its characterized in that, sound production monomer be any one of claims 1-7 sound production monomer, set up the sound hole that is used for the sound production of sound production monomer that the homonymy set up on the casing.
9. The speaker box according to claim 8, wherein the housing includes a lower cover plate having the cavity and an upper cover plate covering the lower cover plate, a bottom wall of the lower cover plate extends toward the upper cover plate to form a partition wall, the partition wall is provided with a through hole, and the cavity is divided into an accommodating cavity for accommodating the sound generating unit and a rear sound cavity communicated with the pressure relief hole of the sound generating unit through the through hole.
10. The speaker cabinet as claimed in claim 9, wherein the first vibration system, the partition wall and the upper cover plate form a first front sound chamber, the second vibration system, the partition wall and the lower cover plate form a second front sound chamber, and the lower cover plate is provided with the sound outlet holes respectively communicating with the first front sound chamber and the second front sound chamber.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143586.0U CN213126464U (en) | 2020-09-25 | 2020-09-25 | Sound production monomer and speaker box |
| PCT/CN2020/122062 WO2022062003A1 (en) | 2020-09-25 | 2020-10-20 | Sound production unit and loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022143586.0U CN213126464U (en) | 2020-09-25 | 2020-09-25 | Sound production monomer and speaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213126464U true CN213126464U (en) | 2021-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022143586.0U Active CN213126464U (en) | 2020-09-25 | 2020-09-25 | Sound production monomer and speaker box |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213126464U (en) |
| WO (1) | WO2022062003A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115396793B (en) * | 2022-08-31 | 2023-05-19 | 浙江豪声电子科技股份有限公司 | High-amplitude loudspeaker with self-pressure relief function |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8098877B2 (en) * | 2007-11-26 | 2012-01-17 | Sony Ericsson Mobile Communications Ab | Vibration speaker and a portable electronic device comprising the vibration speaker |
| CN205491121U (en) * | 2016-01-26 | 2016-08-17 | 瑞声光电科技(常州)有限公司 | Sound production monomer |
| WO2020258142A1 (en) * | 2019-06-27 | 2020-12-30 | 瑞声声学科技(深圳)有限公司 | Sound producing device |
| CN110881160B (en) * | 2019-11-12 | 2021-08-31 | 歌尔股份有限公司 | Sound production device |
-
2020
- 2020-09-25 CN CN202022143586.0U patent/CN213126464U/en active Active
- 2020-10-20 WO PCT/CN2020/122062 patent/WO2022062003A1/en active Application Filing
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| WO2022062003A1 (en) | 2022-03-31 |
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