CN112104930A - Loudspeaker box - Google Patents
Loudspeaker box Download PDFInfo
- Publication number
- CN112104930A CN112104930A CN202010879372.1A CN202010879372A CN112104930A CN 112104930 A CN112104930 A CN 112104930A CN 202010879372 A CN202010879372 A CN 202010879372A CN 112104930 A CN112104930 A CN 112104930A
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- China
- Prior art keywords
- upper cover
- sounding
- lower cover
- positioning boss
- sound
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000178 monomer Substances 0.000 claims abstract description 46
- 239000007769 metal material Substances 0.000 claims abstract description 8
- 125000006850 spacer group Chemical group 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 15
- 238000003466 welding Methods 0.000 claims description 10
- 239000003292 glue Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 abstract description 4
- 238000002955 isolation Methods 0.000 description 8
- 238000004021 metal welding Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a loudspeaker box, which comprises a shell with an accommodating space and a sounding monomer, wherein the sounding monomer is partially accommodated and fixed in the accommodating space; the upper cover comprises an upper cover extension wall fixedly connected with the lower cover and a main body part bent and extended from the upper cover extension wall to the sounding monomer, the main body part is provided with a sounding port which is exposed out of the vibrating diaphragm in a penetrating manner, and the sounding monomer is provided with a positioning boss; the shell and the positioning boss are made of metal materials, and the sounding single body is welded and fixed on the main body part through the positioning boss; the lower cover is positioned on one side of the sounding monomer far away from the vibrating diaphragm and forms a seal with the extension wall of the upper cover, and the upper cover, the lower cover and the sounding monomer jointly enclose a rear sound cavity. Compared with the related art, the loudspeaker box has the advantages of large volume of the rear sound cavity and excellent low-frequency acoustic performance.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of electroacoustic conversion, in particular to a loudspeaker box applied to a portable mobile electronic product.
[ background of the invention ]
The loudspeaker box is widely applied to portable mobile electronic products, such as mobile phones, so that audio signals are converted into sound to be played, and the loudspeaker box is large in loudness and large in vibration amplitude.
The loudspeaker box in the related art comprises a shell with an accommodating space and a sounding monomer fixedly accommodated in the accommodating space, wherein the shell is generally made of a plastic material and is mainly manufactured by adopting an injection molding process, and in addition, when the sounding monomer is assembled, the sounding monomer needs to be packaged on the shell in an ultrasonic welding mode.
However, in the related art, in order to realize the ultrasonic welding between the sound generating unit and the casing, the casing has a certain larger thickness to ensure that the ultrasonic welding between the sound generating unit and the casing is firm, and under the condition that the overall size is not changed, the casing occupies a larger volume of the rear sound cavity due to the larger thickness of the casing, so that the volume design of the rear sound cavity is limited.
Therefore, there is a need to provide a new speaker box to solve the above technical problems.
[ summary of the invention ]
The invention aims to provide a loudspeaker box, which solves the problems that a shell occupies more volume of a rear sound cavity and limits the volume design of the rear sound cavity.
In order to achieve the above object, the present invention provides a speaker box, which includes a housing having an accommodating space and a sounding unit partially accommodated and fixed in the accommodating space, wherein the housing includes an upper cover and a lower cover covering the upper cover and enclosing the accommodating space, and the sounding unit includes a vibrating diaphragm for vibrating and sounding; the upper cover comprises an upper cover extension wall fixedly connected with the lower cover and a main body part bent and extended from the upper cover extension wall to the sounding monomer, and the main body part is provided with a sounding opening which leaks out of the vibrating diaphragm in a penetrating manner; the sounding single body is provided with a positioning boss; the shell and the positioning boss are made of metal materials, and the sounding single body is welded and fixed on the main body part through the positioning boss; the lower cover is located the sound production monomer is kept away from one side of vibrating diaphragm and with the upper cover extension wall forms sealedly, the upper cover, the lower cover reaches the sound production monomer encloses into the back sound chamber jointly.
Preferably, the main body part comprises an upper cover plate provided with the sounding port and a supporting part bent and extended from the inner side of the upper cover plate to the sounding unit, and the positioning boss is welded and fixed on the supporting part.
Preferably, the sounding unit is exposed out of the accommodating space through the sounding opening.
Preferably, the supporting part comprises a supporting wall bent and extended from the inner side of the upper cover plate to the lower cover and a flange bent and extended from the sound generating unit and abutted to the sound generating unit, the supporting wall is far away from one side of the upper cover plate, and the positioning boss is welded and fixed on one side of the flange close to the lower cover.
Preferably, the periphery of the sounding unit is spaced from the supporting wall, the sounding unit, the flange and the supporting wall together enclose a glue containing groove, and sealing is formed between the periphery of the sounding unit and the supporting wall in a glue beating mode in the glue containing groove.
Preferably, the sound production monomer includes the basin frame, supports respectively to be fixed in the vibration system and the drive of basin frame the magnetic circuit of vibration system vibration sound production, magnetic circuit is fixed in including inlaying the punch holder of basin frame, the location boss by the punch holder is to keeping away from the direction protrusion of basin frame extends the formation.
Preferably, the positioning bosses comprise at least two and are arranged at intervals.
Preferably, the positioning boss is annular.
Preferably, the lower cover comprises a lower cover plate located on one side of the sound generating unit far away from the diaphragm and spaced from the sound generating unit, and a lower cover extension wall bent and extended from the periphery of the lower cover plate to the upper cover, and the lower cover extension wall abuts against the upper cover extension wall and forms a welding seal with the upper cover extension wall.
Preferably, the speaker box further includes a breathable isolation piece located in the rear acoustic cavity and covering one side of the sound generating device far from the diaphragm, and the breathable isolation piece includes an isolation piece body arranged opposite to the lower cover at an interval, an isolation piece extension part bent and extended from the periphery of the isolation piece body to the upper cover, and an isolation piece fixing part bent and extended from one end of the isolation piece extension part far from the isolation piece body; the isolating piece fixing part is fixed in the positioning boss, the isolating piece fixing part and the sounding monomer are glued to the periphery to form sealing, and the breathable isolating piece and the shell jointly enclose a powder filling space.
Compared with the prior art, the loudspeaker box comprises an upper cover extension wall fixedly connected with a lower cover, and a main body part bent and extended from the upper cover extension wall to a sounding monomer, wherein the main body part is provided with a sounding port which is exposed out of a vibrating diaphragm in a penetrating manner, and the sounding monomer is provided with a positioning boss; the shell and the positioning boss are made of metal materials, and the sounding single body is welded and fixed on the main body part through the positioning boss; the lower cover is positioned on one side of the sounding monomer far away from the vibrating diaphragm and forms a seal with the extension wall of the upper cover, and the upper cover, the lower cover and the sounding monomer jointly enclose a rear sound cavity; in the structure, the shell and the positioning boss are made of metal materials, the shell and the positioning boss are welded and fixed in a metal welding mode, the sounding monomer is not required to be packaged on the shell in an ultrasonic welding mode, and therefore the cavity volume in the shell is greatly improved, the volume of a rear sound cavity formed by the sounding monomer and the shell in a surrounding mode is effectively increased, and further the acoustic performance, especially the low-frequency acoustic performance of the loudspeaker box is improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic perspective view of a speaker box according to the present invention;
FIG. 2 is an exploded perspective view of a portion of the speaker box of the present invention;
FIG. 3 is an exploded perspective view of another angle of the speaker box of the present invention;
fig. 4 is a sectional view taken along line a-a in fig. 1.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a speaker box 100, which includes a housing 1 and a sound generating unit 2.
The casing 1 is provided with a containing space 10, and the sounding unit 2 is fixedly supported on the casing 1.
In the present embodiment, the sound generating unit 2 is fixedly accommodated in the accommodating space 10 and is configured to generate sound by vibration; specifically, the sounding unit 2 includes a frame 21, a vibration system 22 respectively supported and fixed on the frame 21, and a magnetic circuit system 23 for driving the vibration system 22 to vibrate and sound.
The vibration system 22 includes a diaphragm 221 fixed to the frame 21 for vibrating and sounding, and a voice coil (not shown) connected to the diaphragm.
The magnetic circuit system 23 includes a magnetic yoke 231 fixed on one side of the frame 21 far away from the diaphragm 221, a magnetic steel unit 232 fixedly supported on the magnetic yoke 231 and forming a magnetic gap, and an upper clamp plate 233 embedded and fixed on the frame 21 and covering the magnetic steel unit 232 to be far away from one end of the magnetic yoke 231, wherein the voice coil is inserted into the magnetic gap and used for driving the diaphragm 221 to vibrate and sound.
In order to facilitate the assembly of the sound generating unit 2, in the present embodiment, the sound generating unit 2 is provided with a positioning boss 20, and specifically, the positioning boss 20 is formed by the upper clamping plate 233 protruding and extending in a direction away from the frame 21 along a vibration direction perpendicular to the vibrating diaphragm 221. Of course, in other embodiments, it is also possible that the positioning boss is formed by directly protruding from one side of the frame close to the magnetic circuit system.
It should be noted that the specific number and the structure of the positioning bosses 20 are not limited, for example, the positioning bosses 20 include at least two positioning bosses 20 which are spaced apart from each other, and more specifically, in the present embodiment, two positioning bosses 20 which are protruded and extended along the direction perpendicular to the vibration direction are provided on opposite sides of the upper clamp plate 233. Of course, in other embodiments, the number of the positioning bosses may be set according to actual requirements, or the positioning bosses may be set to be in an annular structure.
The housing 1 is a split structure, and specifically, the housing 1 includes an upper cover 11 and a lower cover 12 covering the upper cover 11 and enclosing the accommodating space 10 together.
The upper cover 11 includes a main body portion 111 and an upper cover extension wall 112, the upper cover extension wall 111 and the lower cover 12 are fixedly connected, the main body portion 112 extends from the upper cover extension wall 111 to the sounding single body 2, and the main body portion 112 penetrates through the sounding opening 110 which is arranged to leak the diaphragm 221.
It is worth mentioning that the casing 1 reaches the location boss 20 is metal material, for casing 1 with the metal welding between the sound production monomer 2 provides the condition, makes sound production monomer 2 passes through location boss 20 welded fastening in main part 111.
Specifically, the main body part 111 includes the upper cover plate 1111 that is equipped with the sound emitting port 110 and by the inboard of upper cover plate 1111 is to the supporting part 1112 that the sound emitting monomer 2 extends of buckling, when the assembly, will earlier the location boss 20 support in the supporting part 1112 is in order to realize the location of sound emitting monomer 2, then will through metal welding process the location boss 20 with the supporting part 1112 welded fastening.
Further, the supporting portion 1112 includes a supporting wall 1112a and a flange 1112b, the supporting wall 1112a is formed by the inner side of the upper cover plate 1111 is along the vibration direction to the lower cover 12 is bent and extended to form, the flange 1112b is formed by the supporting wall 1112a is kept away from the upper cover plate 1111 side is along perpendicular the vibration direction to the sounding monomer 2 is bent and extended to form, the flange 1112b with the upper cover plate 1111 is arranged at an interval and abutted against the sounding monomer 2, the positioning boss 20 is welded and fixed on the flange 1112b near one side of the lower cover 12, and through the arrangement of the flange 1112b, the contact area between the positioning boss 20 and the supporting portion 1112 can be effectively increased, so that the welding area between the two is larger, and the reliability of fixation is improved.
The lower cover 12 is located the sounding monomer 2 is far away from one side of the vibrating diaphragm 221 and sealed with the upper cover extension wall 112, and certainly, in order to facilitate assembly, the lower cover 12 may be fixed to the upper cover extension wall 112 first, and then sealed and fixed between the lower cover 12 and the upper cover extension wall 112 through gluing and sealing.
More specifically, the lower cover 12 includes a lower cover plate 121 located on a side of the sound generating unit 2 away from the diaphragm 221 and spaced from the sound generating unit 2, and a lower cover extension wall 122 extending from a periphery of the lower cover plate 121 to the upper cover 11, the lower cover extension wall 122 abuts the upper cover extension wall 112 and forms a weld seal with the upper cover extension wall 112, the upper cover 11, the lower cover 12 and the sound generating unit 2 together enclose a rear sound cavity 102, the simple structure improves the acoustic performance of the loudspeaker enclosure 100, especially the low frequency acoustic performance, on the one hand, and on the other hand due to the presence of the structure of the rear acoustic chamber 102, the upper cover 11 and the lower cover 12 form a vibration absorption function, so that the loudspeaker box 100 cannot cause shell vibration of electronic products such as mobile terminals after being applied to the electronic products such as the mobile terminals, and the user experience effect of customers is effectively improved.
In the structure, the shell 1 and the sound generating unit 2 are fixed by welding, so that the connection strength of the shell 1 and the sound generating unit 2 is effectively increased, the fixing reliability of the shell 1 and the sound generating unit 2 is ensured, the sound generating unit 2 is not required to be packaged on the shell 1 in an ultrasonic welding manner, and the thickness design of the shell 1 is released, so that in actual use, the shell 1 can be made of a thinner metal sheet, the volume of the rear sound cavity 102 occupied by the shell 1 is effectively reduced, the volume design of the rear sound cavity 102 is released, the volume of the rear sound cavity is larger, and the low-frequency acoustic performance is improved; in addition, when assembling, sound production monomer 2 passes through what fix a position boss 20 take on turn-ups 1112b is last, right sound production monomer 2 is in the ascending position in vibration direction has carried on spacingly, is more favorable to sound production monomer 2's location, simplifies sound production monomer 2's assembly process improves assembly efficiency.
In order to release the height design of the speaker box 100, in this embodiment, the sound generating unit 2 is partially exposed to the accommodating space 10 through the sound generating opening 110, specifically, the basin frame 21 is at least partially exposed to the accommodating space 10, and the vibrating diaphragm 221 is located outside the accommodating space 10, so that the height design of the speaker box 100 along the vibration direction is effectively released, which is beneficial to the miniaturization design of the speaker box 100.
More preferably, the outer peripheral edge of the sounding monomer 2 with the support wall 1112a interval, the sounding monomer 2 the turn-ups 1112b reaches the support wall 1112a encloses jointly and becomes to hold gluey groove 210, in this embodiment, hold gluey groove 210 by the lateral surface of basin frame 21 with the support wall 1112a interval forms, the periphery side of basin frame 21 with through between the support wall 1112a glue the mode formation of beating in holding gluey groove 210 and seal, further improved sounding monomer 2 with fixed reliability and leakproofness between the upper cover 11.
In this embodiment, the speaker box further includes a conductive component 3, the conductive component 3 connects the sound generating unit 2 with an external electrical signal, specifically, one end of the conductive component 3 extends into the accommodating space 10 and is electrically connected with the sound generating unit 2, and the other end of the conductive component is connected with the external electrical signal outside the accommodating space 10.
Preferably, the speaker box 100 further includes a ventilation spacer 4 located in the rear sound cavity 102 and covering the sound generating device 2 on a side away from the diaphragm 221.
The ventilation spacer 4 includes a spacer body 41 opposite to the lower cover 12 at an interval, a spacer extension portion 42 extending from the periphery of the spacer body 41 to the upper cover 11, and a spacer fixing portion 43 extending from one end of the spacer extension portion 42 away from the spacer body 41.
The spacer fixing part 43 is fixed on the positioning boss 20, the spacer fixing part 43 and the sound generating unit 2 are glued to form sealing, and the breathable spacer 4 and the shell 1 jointly enclose a powder filling space 5.
Irritate whitewashed space 5 and be used for the filling sound absorbing material, work as sound absorbing material is filled in back sound chamber 102, if inhale the sound granule time, ventilative isolator 4 has effectually prevented to inhale the sound granule and has got into inside the sound production monomer 2, avoided the risk of sound production inefficacy, improved the reliability.
Compared with the prior art, the loudspeaker box comprises an upper cover extension wall fixedly connected with a lower cover, and a main body part bent and extended from the upper cover extension wall to a sounding monomer, wherein the main body part is provided with a sounding port which is exposed out of a vibrating diaphragm in a penetrating manner, and the sounding monomer is provided with a positioning boss; the shell and the positioning boss are made of metal materials, and the sounding single body is welded and fixed on the main body part through the positioning boss; the lower cover is positioned on one side of the sounding monomer far away from the vibrating diaphragm and forms a seal with the extension wall of the upper cover, and the upper cover, the lower cover and the sounding monomer jointly enclose a rear sound cavity; in the structure, the shell and the positioning boss are made of metal materials, the shell and the positioning boss are welded and fixed in a metal welding mode, the sounding monomer is not required to be packaged on the shell in an ultrasonic welding mode, and therefore the cavity volume in the shell is greatly improved, the volume of a rear sound cavity formed by the sounding monomer and the shell in a surrounding mode is effectively increased, and further the acoustic performance, especially the low-frequency acoustic performance of the loudspeaker box is improved.
While the foregoing is directed to embodiments of the present invention, it will be understood by those skilled in the art that various changes may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A loudspeaker box comprises a shell with an accommodating space and a sounding monomer partially accommodated and fixed in the accommodating space, wherein the shell comprises an upper cover and a lower cover which is covered on the upper cover and jointly surrounds the accommodating space, and the sounding monomer comprises a vibrating diaphragm for vibrating and sounding; the sounding single body is provided with a positioning boss; the shell and the positioning boss are made of metal materials, and the sounding single body is welded and fixed on the main body part through the positioning boss; the lower cover is located the sound production monomer is kept away from one side of vibrating diaphragm and with the upper cover extension wall forms sealedly, the upper cover, the lower cover reaches the sound production monomer encloses into the back sound chamber jointly.
2. The speaker box according to claim 1, wherein the main body portion includes an upper cover plate provided with the sound emission port, and a support portion extending from an inner side of the upper cover plate to the sound emission unit in a bent manner, and the positioning boss is welded and fixed to the support portion.
3. The speaker box as claimed in claim 2, wherein the sound generating unit is exposed to the accommodating space through the sound generating opening.
4. The speaker box according to claim 3, wherein the supporting portion includes a supporting wall extending from the inner side of the upper cover plate to the lower cover, and a flange extending from a side of the supporting wall away from the upper cover plate to the sounding unit and abutting against the sounding unit, and the positioning boss is welded and fixed to a side of the flange close to the lower cover.
5. The loudspeaker box of claim 4, wherein the outer periphery of the sounding unit is spaced from the support wall, the sounding unit, the flange and the support wall together define a glue containing groove, and the outer periphery of the sounding unit and the support wall are sealed by gluing in the glue containing groove.
6. The loudspeaker box of claim 4, wherein the sound generating unit comprises a frame, a vibration system respectively supported and fixed on the frame, and a magnetic circuit system for driving the vibration system to vibrate and generate sound, the magnetic circuit system comprises an upper clamping plate embedded and fixed on the frame, and the positioning boss is formed by the upper clamping plate protruding and extending in a direction away from the frame.
7. A loudspeaker enclosure according to claim 6, wherein the locating projections comprise at least two and are spaced apart from one another.
8. A loudspeaker enclosure according to claim 6, wherein the locating boss is annular.
9. The loudspeaker box of claim 1, wherein the lower cover comprises a lower cover plate located on one side of the sound generating unit away from the diaphragm and spaced from the sound generating unit, and a lower cover extension wall extending from the periphery of the lower cover plate to the upper cover in a bending manner, and the lower cover extension wall abuts against the upper cover extension wall and forms a welding seal with the upper cover extension wall.
10. The loudspeaker box of claim 1, further comprising a breathable spacer disposed in the rear acoustic cavity and covering a side of the sound generating device away from the diaphragm, wherein the breathable spacer includes a spacer body spaced opposite to the lower cover, a spacer extension portion extending from a periphery of the spacer body to the upper cover, and a spacer fixing portion extending from an end of the spacer extension portion away from the spacer body; the isolating piece fixing part is fixed in the positioning boss, the isolating piece fixing part and the sounding monomer are glued to the periphery to form sealing, and the breathable isolating piece and the shell jointly enclose a powder filling space.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN202010879372.1A CN112104930B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
PCT/CN2020/123573 WO2022041438A1 (en) | 2020-08-27 | 2020-10-26 | Loudspeaker box |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010879372.1A CN112104930B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
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CN112104930A true CN112104930A (en) | 2020-12-18 |
CN112104930B CN112104930B (en) | 2022-05-03 |
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CN202010879372.1A Active CN112104930B (en) | 2020-08-27 | 2020-08-27 | Loudspeaker box |
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CN (1) | CN112104930B (en) |
WO (1) | WO2022041438A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113993043A (en) * | 2021-10-22 | 2022-01-28 | 歌尔股份有限公司 | Sound production device and electronic equipment |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN218998263U (en) * | 2022-06-30 | 2023-05-09 | 瑞声科技(南宁)有限公司 | Loudspeaker box |
CN217721421U (en) * | 2022-07-04 | 2022-11-01 | 瑞声光电科技(常州)有限公司 | Loudspeaker box |
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CN204291365U (en) * | 2014-11-29 | 2015-04-22 | 歌尔声学股份有限公司 | Microspeaker |
CN205847588U (en) * | 2016-07-21 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
CN206524965U (en) * | 2017-01-22 | 2017-09-26 | 瑞声科技(新加坡)有限公司 | Microphone device |
CN107547957A (en) * | 2017-08-22 | 2018-01-05 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
CN108235194A (en) * | 2018-01-04 | 2018-06-29 | 瑞声科技(新加坡)有限公司 | Microphone device and its installation method |
CN208638633U (en) * | 2018-08-03 | 2019-03-22 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
US20200213749A1 (en) * | 2018-12-30 | 2020-07-02 | AAC Technologies Pte. Ltd. | Speaker |
CN109982222A (en) * | 2019-05-16 | 2019-07-05 | 国光电器股份有限公司 | A kind of micro-telephone receiver |
CN110267169A (en) * | 2019-06-11 | 2019-09-20 | 瑞声科技(新加坡)有限公司 | A kind of loudspeaker |
CN210641065U (en) * | 2019-06-30 | 2020-05-29 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
CN211321501U (en) * | 2020-01-09 | 2020-08-21 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN113993043A (en) * | 2021-10-22 | 2022-01-28 | 歌尔股份有限公司 | Sound production device and electronic equipment |
CN113993043B (en) * | 2021-10-22 | 2024-03-12 | 歌尔股份有限公司 | Sound producing device and electronic equipment |
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