CN112104932A - Sound production device - Google Patents
Sound production device Download PDFInfo
- Publication number
- CN112104932A CN112104932A CN202010879438.7A CN202010879438A CN112104932A CN 112104932 A CN112104932 A CN 112104932A CN 202010879438 A CN202010879438 A CN 202010879438A CN 112104932 A CN112104932 A CN 112104932A
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- Prior art keywords
- sound
- sounding
- support
- base
- extension wall
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- 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.)
- Pending
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- 238000004519 manufacturing process Methods 0.000 title claims description 42
- 239000000178 monomer Substances 0.000 claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000007769 metal material Substances 0.000 claims abstract description 12
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 7
- 239000011358 absorbing material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 230000001755 vocal effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The invention provides a sounding device, which comprises a shell with an accommodating space and a sounding monomer accommodated in the accommodating space, wherein the sounding monomer comprises a vibrating diaphragm for vibrating and sounding, and the shell is made of a metal material and comprises a base and a rear shell; the base comprises a base plate, a base extension wall, an auxiliary extension wall and an annular flange edge which is bent and extended from one end, far away from the base plate, of the auxiliary extension wall to the direction close to the sound-producing monomer, and one side, provided with the vibrating diaphragm, of the sound-producing monomer is abutted and fixed to the flange edge and enables the vibrating diaphragm to be communicated with the outside; the sounding device also comprises a support, the support comprises an annular support body and a support extension wall, the support body and the sounding monomer form sealing fixation, and the support extension wall is welded and fixed on one side of the base plate close to the rear shell; the rear shell, the base, the support and the sounding monomer jointly enclose a rear sound cavity. Compared with the related art, the sounding device has good reliability.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of electroacoustic conversion, in particular to a sounding device applied to a portable mobile electronic product.
[ background of the invention ]
The sound generating device is also called a loudspeaker, and is widely applied to portable mobile electronic products, such as mobile phones, so that an audio signal is converted into sound to be played, and the sound generating device has high loudness and vibration amplitude.
The sound production device of the related art comprises a sound production unit for producing sound, a base and a rear shell, wherein the base and the rear shell are respectively covered on two opposite sides of the sound production unit, the base and the rear shell jointly enclose an accommodating space, and the base and the rear shell are subjected to injection molding and are fixed through ultrasonic welding.
However, if the base and the rear shell of the sound device in the related art need to be fixed by ultrasonic welding, more space is needed, and the size of the space in the internal cavity of the sound device is limited.
Therefore, there is a need to provide a new sound generation device to solve the above technical problems.
[ summary of the invention ]
The invention aims to provide a sound production device with high space utilization rate and better reliability.
In order to achieve the above object, the present invention provides a sound generating device, which includes a housing having an accommodating space and a sound generating unit accommodated in the accommodating space, wherein the sound generating unit includes a vibrating diaphragm for vibrating sound, the housing is made of a metal material, and includes a base and a rear housing respectively covering the two opposite sides of the sound generating unit along the vibration direction of the vibrating diaphragm;
the base comprises an annular base plate, a base extension wall, an auxiliary extension wall and an annular flange edge, the annular base plate is located on one side, far away from the rear shell, of the sound-producing monomer, the base extension wall is bent and extended towards the direction of the rear shell from the outer peripheral edge of the base plate, the auxiliary extension wall is bent and extended towards the direction far away from the rear shell from the inner peripheral edge of the base plate, the annular flange edge is bent and extended towards the direction close to the sound-producing monomer from one end, far away from the base plate, of the auxiliary extension wall, and one side, provided with the vibrating diaphragm, of the sound-producing monomer is abutted and fixed to the flange;
the sounding device further comprises a support which is contained in the containing space and made of metal materials, the support comprises an annular support body and an annular support extending wall which is bent and extends towards the direction of the base plate from the support body, the support body is arranged around the periphery of the sounding monomer and forms sealing fixation with the sounding monomer, and the support extending wall is welded and fixed on one side, close to the rear shell, of the base plate;
the rear shell, the base, the support and the sounding monomer enclose a rear sound cavity together.
Preferably, the backshell is including being located the sound production monomer is kept away from base one side and with sound production monomer spaced backshell board, by the periphery of backshell board to the backshell extension wall that the base direction is buckled and is extended, backshell extension wall butt in base extension wall and with base extension wall welded fastening.
Preferably, the support extension wall is formed by bending and extending the outer periphery of the support body along the vibration direction of the diaphragm.
Preferably, the sound production device is still including being located the ventilative separator of back sound intracavity, ventilative separator is fixed in the support body, ventilative separator will back sound chamber is separated into and is located ventilative separator is close to the interior sound chamber of sound production monomer one side and with the sound-absorbing chamber that sound production monomer interval set up.
Preferably, the breathable isolating piece comprises an isolating piece body arranged opposite to the rear shell plate at intervals, an isolating piece extending part bent and extending from the periphery of the isolating piece body to the bracket, and an isolating piece fixing part bent and extending from one end, far away from the isolating piece body, of the isolating piece extending part; the barrier extension with backshell extension wall interval sets up, the barrier fixed part is fixed in the support body forms sealedly, ventilative barrier with the backshell the base and the support encloses jointly and becomes to accept sound absorbing material the sound-absorbing cavity.
Preferably, the sound generating unit further comprises a metal basin frame for fixing the vibrating diaphragm, and the support body is welded and fixed on the peripheral side of the metal basin frame.
Preferably, the sounding device further comprises a conductive piece for connecting the sounding monomer with an external electric signal, wherein the conductive piece comprises a conductive piece body which is supported and fixed at one end of the bracket body close to the rear shell, a connecting arm which extends from two ends of the conductive piece body to the sounding monomer and is fixedly and electrically connected with the sounding monomer, and an extending arm which extends from the conductive piece body to a direction far away from the sounding monomer and penetrates through the shell; the isolating piece fixing part is simultaneously pressed and fixed on the conductive piece body and the bracket body.
Preferably, the sounding device further comprises a sealing ring attached to one side of the flange edge, which is far away from the sounding monomer.
Preferably, the sealing ring is made of double-sided adhesive tape.
Compared with the prior art, the sound production device comprises a shell with an accommodating space and a sound production single body accommodated in the accommodating space, wherein the shell is designed into a base and a rear shell which are respectively arranged on two opposite sides of the sound production single body in a covering manner, a support is additionally arranged for fixing the sound production single body, meanwhile, the support and the base are fixed, the rear shell, the base, the support and the sound production single body jointly enclose a rear sound cavity, the support is made of a metal material, and the shell is made of a metal material; under the condition of not increasing the overall dimension, the space of the rear sound cavity is increased, so that the acoustic effect of the sound production device is better; in addition, the flange limit with the sound production monomer carries out fixed connection and follows with the sound production monomer the vibrating diaphragm vibration direction is spacing, the support body is fixed in the sound production monomer, support extension wall welded fastening in the bed plate is close to one side of backshell, and the reliability is better.
[ 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 sound device according to the present invention;
FIG. 2 is an exploded perspective view of a sound device according to the present invention;
fig. 3 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. 1-3, the present invention provides a sound generating device 100, which includes a housing 1 having an accommodating space 10, a sound generating unit 2 accommodated in the accommodating space 10, a support 3, a ventilation spacer 4, a conductive member 5 and a sealing ring 6.
The sounding monomer 2 comprises a metal basin frame 22 and a vibrating diaphragm 21 which is fixed on the metal basin frame 22 and used for vibrating and sounding.
Specifically, casing 1 includes base 11 and backshell 12, and base 11 and backshell 12 are followed vibration direction of vibrating diaphragm 21 covers respectively and locates the relative both sides of sound production monomer 2, and this embodiment base 11 and backshell 12 are followed vibration direction of vibrating diaphragm 21 is the lid and locates the relative both sides of metal basin frame 22, base 11 and backshell 12 are made by metal material for whole casing 1 attenuation further increases accommodating space 10's size.
The base 11 includes an annular base plate 111 located on one side of the sound generating unit 2 away from the rear shell 12, a base extension wall 112 extending from an outer peripheral edge of the base plate 111 to the rear shell 12, an auxiliary extension wall 113 extending from an inner peripheral edge of the base plate 111 to the direction away from the rear shell 12, and an annular flange 114 extending from one end of the auxiliary extension wall 113 away from the base plate 111 to the direction close to the sound generating unit 2, wherein the side of the sound generating unit 2 provided with the diaphragm 21 is abutted to and fixed to the flange 114 and enables the diaphragm 21 to communicate with the outside; namely, the flange edge 114 limits the sound generating unit 2 along the vibration direction of the diaphragm 21.
The rear shell 12 includes a rear shell plate 121 located on one side of the sound generating unit 2 away from the base 11 and spaced from the sound generating unit 2, and a rear shell extension wall 122 extending from the periphery of the rear shell plate 121 to the base 11 in a bending manner. Specifically, the extending direction of the rear-housing extending wall 122 is parallel to the vibration direction of the diaphragm 21, the extending direction of the base extending wall 112 is parallel to the vibration direction of the diaphragm 21, and the rear-housing extending wall 122 abuts against the base extending wall 112 and is fixed to the base extending wall 112 by welding, so that the reliability is better.
The support 3 accept in accommodating space just around establishing and being fixed in metal basin frame 22's week side, the support 3 butt is fixed in the bed plate 111 is close to one side of backshell 12 and with backshell extension wall 112 interval sets up.
Specifically, the support 3 is made by metal material, the support 3 including be annular support body 31 and by the support body 31 to what the bed plate 111 direction was buckled and is extended is annular support extension wall 32, the support body 31 encircle set up in the week side of sound production monomer 2 week side and with sound production monomer 2 forms sealed fixed, support extension wall 32 welded fastening is in the bed plate 111 is close to one side of vice extension wall 113. Namely, through the arrangement of the bracket 3, the reliability of the bracket and the sounding unit 2 is increased, meanwhile, the raw material is less, the cost is reduced, and meanwhile, the internal space of the sounding device 100 is increased. Preferably, the bracket extension wall 32 is formed by bending and extending the outer periphery of the bracket body 31 along the vibration direction of the diaphragm 21, and the process is simple. Preferably, the bracket body 31 is welded and fixed to the peripheral side of the metal frame 22.
In this embodiment, the rear shell 12, the base 11, the support 3 and the sound generating unit 2 together enclose a rear sound cavity 20. Thus, the sound-generating device 100 of the present invention forms a relatively closed rear sound cavity structure, which is simple in structure and improves the acoustic performance, especially the low frequency acoustic performance, of the sound-generating device 100. In this embodiment, a leakage portion 23 is further disposed on one side of the sounding unit 2 away from the diaphragm 21, and the leakage portion 23 is communicated with the rear acoustic cavity 20.
In the above-mentioned structure, base 11, rear shell 12 and support 3's integrated configuration, because of base 11 and rear shell 12 are made for metal material, support 3 and base 11 that make through metal material are fixed, be used for supporting fixed sound production monomer 2, under the prerequisite of guaranteeing casing 1's structural strength, it not only can design for full plastic housing structure thinly, and same effectual assembly sound production monomer 2, thereby the improvement of very big degree the cavity volume in the casing 1, effectual increased sound production monomer 2 with the volume of the back sound chamber 10 that casing 1 encloses, and then improved the acoustic performance of sound production device, especially low frequency acoustic performance.
Ventilative barrier member 4 is located in back vocal chamber 20, it is fixed in support body 31, ventilative barrier member 4 will back vocal chamber 20 is separated into and is located ventilative barrier member 4 is close to the interior vocal chamber 30a of sound production monomer 2 one side and with the sound-absorbing chamber 30 that sound production monomer 2 interval set up.
Specifically, the ventilation spacer 4 includes a spacer body 41 disposed opposite to the rear casing panel 121 at a distance, a spacer extension portion 42 extending from the periphery of the spacer body 41 to the bracket 3 in a bending manner, and a spacer fixing portion 43 extending from one end of the spacer extension portion 42 away from the spacer body 41 in a bending manner; the partition extending part 42 and the rear casing extending wall 122 are arranged at intervals, the partition fixing part 43 is fixed on the support body 31 and sealed, the breathable partition 4 and the rear casing 12, the base 11 and the support 3 jointly enclose the sound absorbing cavity 30 for accommodating sound absorbing materials, and the powder filling 30 can be used for packaging sound absorbing particles to improve the acoustic effect of the sound generating device 100.
The sealing ring 6 is attached to one side of the base plate 111, which is far away from the sounding monomer 2, and the sounding device 100 is assembled and sealed with the whole machine through the sealing ring 6; certainly, as shown in fig. 3, the sealing ring 6 may also be attached to a side of the flange edge 114 away from the sounding unit 2, and the sounding device 100 is assembled and sealed with the whole machine through the sealing ring 6; preferably, the sealing ring 6 is made of double-sided adhesive tape.
The casing 1 includes a gap 13a penetrating through the casing, the sound generating device 100 further includes a conductive piece 5 for connecting the sound generating unit 2 with an external electrical signal, the conductive piece 5 includes a conductive piece body 51 supported and fixed at one end of the support body 31 close to the rear casing 12, a connecting arm 52 extending from two ends of the conductive piece body 51 to the direction of the sound generating unit 2 and fixedly electrically connected with the sound generating unit 2, and an extending arm 53 extending from the conductive piece body 51 to the direction far from the sound generating unit 2 and passing through the gap 13 a; the spacer fixing portion 43 is press-fixed to the conductive member body 52 and the holder body 31.
Compared with the prior art, the sound production device comprises a shell with an accommodating space and a sound production single body accommodated in the accommodating space, wherein the shell is designed into a base and a rear shell which are respectively arranged on two opposite sides of the sound production single body in a covering manner, a support is additionally arranged for fixing the sound production single body, meanwhile, the support and the base are fixed, the rear shell, the base, the support and the sound production single body jointly enclose a rear sound cavity, the support is made of a metal material, and the shell is made of a metal material; under the condition of not increasing the overall dimension, the space of the rear sound cavity is increased, so that the acoustic effect of the sound production device is better; in addition, the flange limit with the sound production monomer carries out fixed connection and follows with the sound production monomer the vibrating diaphragm vibration direction is spacing, the support body is fixed in the sound production monomer, support extension wall welded fastening in the bed plate is close to one side of backshell, and the reliability is better.
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 (9)
1. A sounding device comprises a shell with an accommodating space and a sounding monomer accommodated in the accommodating space, wherein the sounding monomer comprises a vibrating diaphragm for vibrating and sounding;
the base comprises an annular base plate, a base extension wall, an auxiliary extension wall and an annular flange edge, the annular base plate is located on one side, far away from the rear shell, of the sound-producing monomer, the base extension wall is bent and extended towards the direction of the rear shell from the outer peripheral edge of the base plate, the auxiliary extension wall is bent and extended towards the direction far away from the rear shell from the inner peripheral edge of the base plate, the annular flange edge is bent and extended towards the direction close to the sound-producing monomer from one end, far away from the base plate, of the auxiliary extension wall, and one side, provided with the vibrating diaphragm, of the sound-producing monomer is abutted and fixed to the flange;
the sounding device further comprises a support which is contained in the containing space and made of metal materials, the support comprises an annular support body and an annular support extending wall which is bent and extends towards the direction of the base plate from the support body, the support body is arranged around the periphery of the sounding monomer and forms sealing fixation with the sounding monomer, and the support extending wall is welded and fixed on one side, close to the rear shell, of the base plate;
the rear shell, the base, the support and the sounding monomer enclose a rear sound cavity together.
2. The sounding device according to claim 1, wherein the rear housing includes a rear housing plate spaced apart from the sounding unit and located on a side of the sounding unit away from the base, and a rear housing extension wall extending from a periphery of the rear housing plate in a bending manner in a direction of the base, the rear housing extension wall abutting against the base extension wall and being welded to the base extension wall.
3. The sounding device according to claim 1, wherein the support extension wall is formed by bending and extending an outer periphery of the support body along a vibration direction of the diaphragm.
4. The sound-producing device according to claim 2, further comprising a breathable partition member located in the rear sound cavity, wherein the breathable partition member is fixed to the support body, and the breathable partition member divides the rear sound cavity into an inner sound cavity located on one side of the breathable partition member close to the sound-producing unit and a sound-absorbing cavity spaced from the sound-producing unit.
5. The sounder device according to claim 4, wherein the vent spacer comprises a spacer body disposed in spaced relation opposite the rear housing plate, a spacer extension extending from a periphery of the spacer body toward the support, and a spacer fixing portion extending from an end of the spacer extension remote from the spacer body; the barrier extension with backshell extension wall interval sets up, the barrier fixed part is fixed in the support body forms sealedly, ventilative barrier with the backshell the base and the support encloses jointly and becomes to accept sound absorbing material the sound-absorbing cavity.
6. The sound production device according to claim 4, wherein the sound production unit further comprises a metal frame for fixing the diaphragm, and the support body is welded and fixed to the periphery of the metal frame.
7. The sounding device according to claim 5, further comprising a conductive member for connecting the sounding unit with an external electrical signal, wherein the conductive member comprises a conductive member body supported and fixed at one end of the support body near the rear housing, a connecting arm extending from two ends of the conductive member body to the sounding unit and electrically connected to the sounding unit, and an extending arm extending from the conductive member body to a direction away from the sounding unit and penetrating through the housing; the isolating piece fixing part is simultaneously pressed and fixed on the conductive piece body and the bracket body.
8. The sound device as claimed in claim 1, further comprising a sealing ring attached to a side of the flange away from the sound generating unit.
9. The sound production device of claim 1, wherein the sealing ring is made of double-sided tape.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010879438.7A CN112104932A (en) | 2020-08-27 | 2020-08-27 | Sound production device |
| PCT/CN2020/123381 WO2022041430A1 (en) | 2020-08-27 | 2020-10-23 | Sound emission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010879438.7A CN112104932A (en) | 2020-08-27 | 2020-08-27 | Sound production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112104932A true CN112104932A (en) | 2020-12-18 |
Family
ID=73758027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010879438.7A Pending CN112104932A (en) | 2020-08-27 | 2020-08-27 | Sound production device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112104932A (en) |
| WO (1) | WO2022041430A1 (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200952505A (en) * | 2008-06-13 | 2009-12-16 | Foxconn Tech Co Ltd | Sound box structure |
| CN203446021U (en) * | 2013-07-24 | 2014-02-19 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN105472491A (en) * | 2016-01-04 | 2016-04-06 | 歌尔声学股份有限公司 | Multifunctional device with vibration function and sound production function |
| CN106101961A (en) * | 2016-08-17 | 2016-11-09 | 上海安费诺永亿通讯电子有限公司 | Ultra-thin sound chamber module |
| CN206542543U (en) * | 2017-03-01 | 2017-10-03 | 瑞声光电科技(常州)有限公司 | Sound-absorbing material encapsulating structure and loudspeaker enclosure |
| US20180014098A1 (en) * | 2015-03-31 | 2018-01-11 | Goertek.Inc | Speaker module |
| CN209964298U (en) * | 2019-07-31 | 2020-01-17 | 深圳市腾志通讯科技有限公司 | Intelligent terminal structure |
| CN211321501U (en) * | 2020-01-09 | 2020-08-21 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205754832U (en) * | 2016-04-29 | 2016-11-30 | 歌尔股份有限公司 | Loudspeaker housing and speaker module |
| CN108322869B (en) * | 2018-01-24 | 2021-01-15 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN208924476U (en) * | 2018-09-30 | 2019-05-31 | 瑞声科技(新加坡)有限公司 | Microphone device |
-
2020
- 2020-08-27 CN CN202010879438.7A patent/CN112104932A/en active Pending
- 2020-10-23 WO PCT/CN2020/123381 patent/WO2022041430A1/en active Application Filing
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|---|---|---|---|---|
| TW200952505A (en) * | 2008-06-13 | 2009-12-16 | Foxconn Tech Co Ltd | Sound box structure |
| CN203446021U (en) * | 2013-07-24 | 2014-02-19 | 歌尔声学股份有限公司 | Loudspeaker module |
| US20180014098A1 (en) * | 2015-03-31 | 2018-01-11 | Goertek.Inc | Speaker module |
| CN105472491A (en) * | 2016-01-04 | 2016-04-06 | 歌尔声学股份有限公司 | Multifunctional device with vibration function and sound production function |
| CN106101961A (en) * | 2016-08-17 | 2016-11-09 | 上海安费诺永亿通讯电子有限公司 | Ultra-thin sound chamber module |
| CN206542543U (en) * | 2017-03-01 | 2017-10-03 | 瑞声光电科技(常州)有限公司 | Sound-absorbing material encapsulating structure and loudspeaker enclosure |
| CN209964298U (en) * | 2019-07-31 | 2020-01-17 | 深圳市腾志通讯科技有限公司 | Intelligent terminal structure |
| 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 | Publication date |
|---|---|
| WO2022041430A1 (en) | 2022-03-03 |
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