WO2020103303A1 - Module de haut-parleur - Google Patents

Module de haut-parleur

Info

Publication number
WO2020103303A1
WO2020103303A1 PCT/CN2018/125653 CN2018125653W WO2020103303A1 WO 2020103303 A1 WO2020103303 A1 WO 2020103303A1 CN 2018125653 W CN2018125653 W CN 2018125653W WO 2020103303 A1 WO2020103303 A1 WO 2020103303A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall
cavity
slot
isolation
limiting
Prior art date
Application number
PCT/CN2018/125653
Other languages
English (en)
Chinese (zh)
Inventor
谭飞
王景伟
刘磊
Original Assignee
歌尔股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 歌尔股份有限公司 filed Critical 歌尔股份有限公司
Publication of WO2020103303A1 publication Critical patent/WO2020103303A1/fr

Links

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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the invention relates to the technical field of sound energy conversion, in particular to a speaker module.
  • the speaker module belongs to an important acoustic component of electronic equipment and is used to complete the conversion between electrical signals and sound signals.
  • the speaker module includes an outer shell, and a speaker monomer is contained in the outer shell.
  • the speaker monomer separates the entire cavity of the module into a front acoustic cavity and a rear acoustic cavity.
  • the rear sound cavity will be filled with sound absorbing particles, and in order to prevent the sound absorbing particles from entering the speaker monomer, an isolation component is provided in the rear sound cavity to isolate the sound absorbing particles from the speaker monomer.
  • the isolation component includes an isolation frame and an isolation net.
  • the isolation net and the isolation frame are integrally injection-molded. In order to avoid clogging the mesh of the isolation net, the process of injection molding the isolation net as an insert with the isolation frame is complicated, resulting in Mold cost is higher.
  • the main purpose of the present invention is to propose a speaker module, which aims to facilitate the fixing between the isolation net and the isolation frame and avoid the increase in production costs.
  • the speaker module proposed by the present invention includes:
  • the shell has a receiving cavity
  • a speaker unit is provided in the accommodating cavity, and the accommodating cavity is partitioned into a front acoustic cavity and a rear acoustic cavity, a sound output hole is provided on the housing, and the front sound cavity communicates with the sound output hole;
  • An isolation frame the rear acoustic cavity is divided into a first rear cavity and a second rear cavity, the speaker monomer is located in the first rear cavity, the second rear cavity is filled with sound absorbing particles, and the isolation frame has On opposite sides of the two sides, each side edge is provided with a connecting wall, a limiting wall is provided on the connecting wall, the limiting wall is spaced apart from the isolation frame to form a limiting groove, two The openings of the limiting grooves on the side edges face each other; and
  • isolation net two opposite sides of the isolation net are respectively held in the two limiting slots.
  • the limiting wall and the connecting wall both extend from one end of the side edge to the opposite end.
  • the connecting wall includes a plurality of connecting bars, and the plurality of connecting bars are arranged at intervals along the extending direction of the side edge, and the limiting wall includes a plurality of limiting bars, each of the connecting bars Each of them is provided with a limit bar.
  • the end of the limiting wall away from the connecting wall is flush with the inner frame wall of the isolation frame.
  • the isolation frame is a metal piece, and the connecting wall and the limiting wall are formed by integrally bending the isolation frame.
  • a slot is provided on the inner wall of the housing, and the isolation frame is inserted and fixed in the slot.
  • the outer shell includes an upper shell and a lower shell, the upper shell and the lower shell are enclosed to form the receiving cavity, and the speaker unit and the upper shell together form the front acoustic cavity.
  • the slot includes a first slot provided on the upper case, and the isolation frame is inserted into the first slot.
  • the upper shell includes a bottom wall and a peripheral wall
  • the bottom wall is disposed opposite to the lower shell
  • the peripheral wall surrounds the peripheral edge of the bottom wall
  • the lower housing cover is disposed on the peripheral wall The end away from the bottom wall
  • the first slot includes a portion located on the bottom wall
  • the first slot includes portions located on two opposite wall surfaces of the peripheral wall.
  • the slot further includes a second slot on the lower case, and the isolation component is inserted into the first slot and the second slot.
  • the lower case is provided with a filling hole
  • the filling hole communicates with the second rear cavity
  • the speaker module further includes a cover plate
  • the cover plate covers the filling hole
  • the cover plate is detachably connected to the lower shell.
  • the rear acoustic cavity of the speaker module is separated into a first rear cavity and a second rear cavity by providing an isolation frame and an isolation net, the sound absorbing particles are directly filled into the second rear cavity, and the sound absorbing particles do not need to be individually encapsulated Therefore, it can be ensured that the sound-absorbing particles are filled in all corners of the second rear cavity, which can greatly increase the number of sound-absorbing particles and enhance the sound-absorbing effect.
  • the second back cavity is isolated from the first back cavity by the isolation frame and the isolation net, the isolation frame and the isolation net block the sound absorbing particles in the second back cavity, which can prevent the sound absorbing particles from entering the first back cavity and then entering the speaker monomer .
  • the card connection method is simple to install, and only need to insert the isolation net into the limit slot on the isolation frame, which is convenient for replacing the isolation net, compared with As a method of injection molding of the isolation net and the isolation frame as an insert, it is not affected by the injection material, so it can avoid the mesh clogging of the isolation net; furthermore, the processing method of the limiting groove is simple, so the production cost can be avoided Rise.
  • FIG. 1 is a schematic structural diagram of an embodiment of a speaker module of the present invention
  • FIG. 2 is a schematic cross-sectional view of the speaker module in FIG. 1 taken along line A-A;
  • FIG. 3 is an exploded schematic view of the speaker module in FIG. 1;
  • FIG. 4 is an exploded schematic view of the isolation component in FIG. 3;
  • FIG. 5 is a schematic structural view of the upper shell in FIG. 3;
  • FIG. 6 is a schematic structural view of the lower shell in FIG. 3.
  • the directional indicator is only used to explain a specific posture (as shown in the drawings) The relative positional relationship, movements, etc. of the components below, if the specific posture changes, then the directional indication changes accordingly.
  • first”, “second”, etc. are for descriptive purposes only, and cannot be understood as instructions or hints Its relative importance or implicitly indicates the number of technical features indicated.
  • the features defined with “first” and “second” may include at least one of the features either explicitly or implicitly.
  • the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of those skilled in the art to realize. When the combination of technical solutions contradicts or cannot be realized, it should be considered that the combination of such technical solutions does not exist , Nor within the protection scope claimed by the present invention.
  • the present invention proposes a speaker module, which can be used in devices capable of producing sound, such as headphones and mobile phones.
  • the speaker module includes a housing 10 and a speaker unit 20, a housing cavity 13 is formed in the housing 10, and the housing 10 is provided with a sound hole 113 communicating with the housing cavity 13, the speaker unit 20 It is provided in the accommodating cavity 13, and the accommodating cavity 13 is partitioned into a front acoustic cavity 131 and a rear acoustic cavity 132, and a sound outlet 113 is provided in the front acoustic cavity 131.
  • the speaker unit 20 includes a vibration system and a magnetic circuit system.
  • the vibration system includes a diaphragm and a voice coil fixed to one side of the diaphragm.
  • the diaphragm includes a central portion, a folded ring portion disposed around the central portion, and a folded
  • the fixing portion provided in the ring portion and the diaphragm may further include a composite layer bonded to the central portion.
  • the magnetic circuit system includes a magnetic yoke, and the magnetic yoke is provided with an inner magnetic circuit part and an outer magnetic circuit part, and a magnetic gap containing a voice coil is formed between the two.
  • the inner magnetic circuit part includes a central magnet provided at the center of the magnetic yoke and a central magnetic plate provided on the central magnet
  • the outer magnetic circuit part includes an edge provided at the edge of the magnetic yoke The magnet and the side magnetic guide plate provided on the side magnet.
  • the speaker unit 20 may further include an auxiliary system, and the auxiliary system includes a housing, which is used to house a fixed vibration system and a magnetic circuit system.
  • the auxiliary system may further include a front cover, the front cover is combined with the housing, and the front cover and the housing surround the protective frame of the speaker unit 20.
  • the speaker unit 20 may not include the auxiliary system.
  • the speaker module further includes an isolation component 30, the isolation component 30 is disposed in the rear acoustic cavity 132, and the rear acoustic cavity 132 is partitioned into a first rear cavity 1321 and a second rear cavity 1322, and the speaker unit 20 is located in the first rear cavity In 1321, the second back cavity 1322 is filled with sound absorbing particles, and the isolation component 30 encapsulates the sound absorbing particles in the second back cavity 1322, thereby preventing the sound absorbing particles from entering the first back cavity 1321. It is conceivable that since the first rear cavity 1321 and the second rear cavity 1322 are connected, a through hole is provided in the isolation assembly 30 to play a role of communication.
  • the sound-absorbing particles are a mixture of one or more of natural zeolite powder, white carbon black, activated carbon, etc.
  • the sound-absorbing particles can also be made of other materials as long as they can provide a sound-absorbing effect.
  • the isolation assembly 30 includes an isolation frame 31 which separates the rear acoustic cavity 132 into a first rear cavity 1321 and a second rear cavity 1322.
  • the isolation frame 31 is provided in a frame shape, for example
  • the partition frame 31 has a shape such as a frame or a round frame.
  • the window formed by the partition frame 31 serves as a ventilation window 311.
  • the ventilation window 311 provides air circulation between the first rear cavity 1321 and the second rear cavity 1322.
  • the isolation frame 31 has opposite side edges, and each side edge is provided with a connecting wall 312 that extends along the direction of the opening of the ventilation window 311, and the connecting walls 312 on both side edges are convex in the same direction
  • the connection wall 312 is provided with a limit wall 313.
  • the limit walls 313 on both sides of the edge extend toward each other.
  • the limit wall 313 is spaced from the isolation frame 31 to form a limit groove 314.
  • the openings of the limiting slots 314 face each other.
  • the isolation assembly 30 further includes an isolation net 32 that is superposed on the isolation frame 31, the isolation net 32 covers the ventilation window 311 of the isolation frame 31, the isolation net 32 is located between the two connecting walls 312, and the isolation net 32 The two opposite sides of the corresponding one are held in the two limiting slots 314 one by one.
  • the isolation frame 31 and the limiting wall 313 abut one another on two opposite sides of the isolation net 32, thereby clamping the isolation net 32 and avoiding the separation between the isolation net 32 and the isolation frame 31.
  • the isolation net 32 is a metal mesh or mesh cloth, etc., the mesh of the isolation net 32 is smaller than the outer diameter of the sound absorbing particles, thereby preventing the sound absorbing particles from drilling into the first rear cavity 1321 from the mesh.
  • the rear sound cavity 132 of the speaker module is divided into a first rear cavity 1321 and a second rear cavity 1322 by providing an isolation frame 31 and an isolation net 32, the sound absorbing particles are directly filled into the second rear cavity 1322, The sound absorbing particles do not need to be individually encapsulated, so that the sound absorbing particles can be filled into all corners of the second rear cavity 1322, which can greatly increase the number of sound absorbing particles and enhance the sound absorbing effect.
  • the second rear cavity 1322 is isolated from the first rear cavity 1321 by the isolation frame 31 and the isolation net 32.
  • the isolation frame 31 and the isolation net 32 block the sound absorbing particles in the second rear cavity 1322, which can prevent the sound absorbing particles from entering the first
  • the rear cavity 1321 then enters the speaker unit 20.
  • the clamping connection method is simple to install, and the isolation net 32 only needs to be snapped into the limitation slot 314 on the isolation frame 31, which is convenient Replacing the isolation net 32, compared with the injection molding of the isolation net 32 as an insert with the isolation frame 31, since it is not affected by the injection material, the mesh of the isolation net 32 can be prevented from being blocked;
  • the processing method of the groove 314 is simple, so that the increase in production cost can be avoided.
  • the limiting wall 313 and the connecting wall 312 are an entire elongated structure. Specifically, the limiting wall 313 and the connecting wall 312 are both arranged in a long shape, and extend from one end of the side edge to The opposite end is equivalent to connecting the connecting wall 312 and the limiting wall 313 on the entire side edge.
  • the length of the limiting groove 314 thus formed is the largest, which can wrap the entire side of the isolation net 32 to achieve a more Good limit effect.
  • the limiting wall 313 and the connecting wall 312 are both broken-point structures.
  • the connecting wall 312 includes a plurality of connecting strips, and the plurality of connecting strips are arranged at intervals along the extending direction of the side edges.
  • the wall 313 includes a plurality of limiting bars, and each connecting bar is provided with a limiting bar.
  • two connection bars may be provided on the same side edge of the isolation frame 31, and the two connection bars are respectively provided near both ends of the side edge.
  • more connection bars may be provided on the same side edge of the isolation frame 31. For example, set three or five connection bars.
  • the end of the limiting wall 313 away from the connection wall 312 is flush with the inner frame wall of the isolation frame 31 That is, the end of the limiting wall 313 away from the connecting wall 312 is flush with the window edge of the ventilation window 311 of the partition frame 31, and the window edge refers to the window edge adjacent to the limiting wall 313 side.
  • This arrangement can prevent the limit wall 313 from being too long to block the ventilation window 311, and also ensure that the length of the limit wall 313 is long, so that the contact area of the limit wall 313 to the isolation net 32 is large, which satisfies a better Clamping effect.
  • the isolation frame 31 is a metal piece, and the connecting wall 312 and the limiting wall 313 are formed by integrally bending the isolation frame 31.
  • the connecting wall 312 is a flange formed by folding the side edge of the isolation frame 31, and the limiting wall 313 is a flange formed by folding the connecting wall 312.
  • the integrated bending method is adopted, the forming process is simple, and there is no need to remove waste materials, which can reduce the waste of materials.
  • the isolation frame 31 is bent integrally to form the limit slot 314, the isolation net 32 can be snapped into the limit slot 314; of course, the isolation net 32 and the isolation frame 31 can be superimposed and set first.
  • the isolation frame 31 is bent so that the limiting wall 313 formed by the bending abuts on the isolation net 32.
  • the isolation frame 31 may also be an injection molded part, and the connecting wall 312, the limiting wall 313 and the isolation frame 31 are integrally formed by injection molding.
  • a slot is provided on the inner wall of the housing 10, and the isolation frame 31 is inserted and fixed in the slot.
  • the housing 10 includes an upper shell 11 and a lower shell 12, the upper shell 11 and the lower shell 12 are enclosed to form a receiving cavity 13, the speaker unit 20 and the upper housing 11 together form a front sound cavity 131, the speaker unit 20, the lower The casing 12 and the upper casing 11 are enclosed together to form a rear acoustic cavity 132.
  • the speaker unit 20 and the upper shell 11 are fixed by adhesion. Please refer to FIGS.
  • the slot includes a first slot 112 provided on the upper case 11, and the isolation component 30 is inserted into the first slot
  • the groove 112 restricts the movement of the isolation frame 31 on the upper shell 11 to ensure that the isolation frame 31 and the upper shell 11 are accurately positioned.
  • a first slot 112 is provided on the upper case 11, a second slot 123 is provided on the lower case 12, and the isolation frame 31 is respectively inserted into the first slot 112 and the second slot 123.
  • the isolation frame 31 and the first slot 112 are tightly fitted and inserted, and the isolation frame 31 and the second slot 123 are tightly fitted and inserted, thereby achieving better sealing and preventing sound absorbing particles from the isolation frame 31 and the housing 10 Through the connection gap.
  • the lower shell 12 is provided in a plate shape
  • the upper shell 11 is in the shape of a cavity open toward the lower shell 12 and includes a bottom wall 114 and a peripheral wall 115 connected to each other.
  • the peripheral wall 115 surrounds the peripheral edge of the bottom wall 114 and extends in a ring shape along the peripheral edge of the bottom wall 114.
  • the lower shell 12 covers the end of the peripheral wall 115 away from the bottom wall 114.
  • the first slot 112 includes a portion located on the bottom wall 114; and / or the first slot 112 includes portions located on two opposite wall surfaces of the peripheral wall 115.
  • the first slot 112 includes a portion located on the bottom wall 114 and a portion located on two opposite wall surfaces of the peripheral wall 115, which is equivalent to having both the bottom wall 114 and the peripheral wall 115
  • the first slot 112 wraps all the sides of the isolation frame 31 exposed in the upper shell 11 to achieve a better sealing effect.
  • the first slot 112 includes a portion located on the bottom wall 114; in other embodiments, the first slot 112 includes portions located on two opposite walls of the peripheral wall 115.
  • two clamping walls 111 are provided on the bottom wall 114 of the upper casing 11, and the two clamping walls 111 are opposed and spaced apart.
  • the interval between the two clamping walls 111 forms a first slot 112, and the clamping wall 111 Both ends extend toward the lower shell 12 along the peripheral wall 115 and extend to the end surface of the peripheral wall 115.
  • the first socket 112 may also be formed on the upper case 11 by removing surface materials.
  • the second slot 123 has a long shape, and wraps the side of the isolation frame 31 facing the lower case 12, so that the entire periphery of the isolation frame 31 is shared by the second slot 123 and the first slot 112 package.
  • the upper shell 11 and the lower shell 12 are bonded or welded, and the gap at the connection between the upper shell 11 and the lower shell 12 can be eliminated by means of bonding or welding to achieve a better sealing effect between the two.
  • the upper shell 11 and the lower shell 12 can also be connected by a snap.
  • the lower case 12 is provided with a filling hole 122, the filling hole 122 communicates with the second rear cavity 1322, the speaker module further includes a cover plate 121, and the cover plate 121 covers the filling hole 122.
  • the sound-absorbing particles can be poured into the second rear cavity 1322 from the filling hole 122, which can ensure that the entire second rear cavity 1322 is filled with sound-absorbing particles;
  • the cover 121 closes the filling hole 122 to avoid leakage of sound-absorbing particles.
  • the cover plate 121 is detachably connected to the lower case 12, so that it is convenient to open the cover plate 121 to replace the sound absorbing particles.
  • the holes of the cover plate 121 and the filling hole 122 can be provided with threads, so that the cover plate 121 and the lower shell 12 are screwed tightly; in addition, the cover plate 121 and the lower shell 12 can also be clamped or screwed Wait for the connection.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

La présente invention concerne un module de haut-parleur. Le module de haut-parleur comprend : un boîtier qui est pourvu d'une cavité de réception ; une unité de haut-parleur qui est disposée dans la cavité de réception et divise la cavité de réception en une cavité acoustique avant et une cavité acoustique arrière, le boîtier étant pourvu d'un trou de sortie de son, et la cavité acoustique avant étant en communication avec le trou de sortie de son ; un cadre d'isolation qui divise la cavité acoustique arrière en une première cavité arrière et une seconde cavité arrière, l'unité de haut-parleur étant située au niveau de la première cavité arrière, la seconde cavité arrière étant remplie de particules absorbant le son, le cadre d'isolation étant pourvu de deux bords latéraux disposés à l'opposé l'un de l'autre, chaque bord latéral étant relié à une paroi de liaison, une paroi de limitation étant disposée sur la paroi de liaison, la paroi de limitation et le cadre d'isolation sont disposés à un intervalle de façon à former une rainure de limitation, et les ouvertures des rainures de limitation sur les deux bords latéraux sont opposées ; et un filet d'isolation, les deux côtés opposés du filet d'isolation étant serrés dans les deux rainures de limitation dans un mode de correspondance un à un. La solution technique de la présente invention peut faciliter la fixation du filet d'isolation et du cadre d'isolation, et éviter d'augmenter les coûts de production.
PCT/CN2018/125653 2018-11-23 2018-12-29 Module de haut-parleur WO2020103303A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201821951239.7 2018-11-23
CN201821951239.7U CN209105434U (zh) 2018-11-23 2018-11-23 扬声器模组

Publications (1)

Publication Number Publication Date
WO2020103303A1 true WO2020103303A1 (fr) 2020-05-28

Family

ID=67161278

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/125653 WO2020103303A1 (fr) 2018-11-23 2018-12-29 Module de haut-parleur

Country Status (2)

Country Link
CN (1) CN209105434U (fr)
WO (1) WO2020103303A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109362010B (zh) * 2018-11-23 2024-04-09 歌尔股份有限公司 扬声器模组

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203370402U (zh) * 2013-07-30 2014-01-01 重庆德凯覆铜板有限公司 风道过滤装置
CN104538862A (zh) * 2015-01-19 2015-04-22 国家电网公司 一种配电自动化站用电交流控制箱
CN105101036A (zh) * 2015-07-31 2015-11-25 瑞声光电科技(常州)有限公司 发声器件及其安装方法
JP2017125587A (ja) * 2016-01-15 2017-07-20 特許機器株式会社 減震ユニット及び減震システム
CN206542568U (zh) * 2017-03-01 2017-10-03 瑞声光电科技(常州)有限公司 扬声器箱
CN107613415A (zh) * 2017-08-02 2018-01-19 瑞声科技(新加坡)有限公司 扬声器箱
CN107635158A (zh) * 2017-08-02 2018-01-26 瑞声科技(新加坡)有限公司 扬声器箱
CN107914961A (zh) * 2017-11-13 2018-04-17 大英县东创农业有限公司 一种立柱多层食品包装盒

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203370402U (zh) * 2013-07-30 2014-01-01 重庆德凯覆铜板有限公司 风道过滤装置
CN104538862A (zh) * 2015-01-19 2015-04-22 国家电网公司 一种配电自动化站用电交流控制箱
CN105101036A (zh) * 2015-07-31 2015-11-25 瑞声光电科技(常州)有限公司 发声器件及其安装方法
JP2017125587A (ja) * 2016-01-15 2017-07-20 特許機器株式会社 減震ユニット及び減震システム
CN206542568U (zh) * 2017-03-01 2017-10-03 瑞声光电科技(常州)有限公司 扬声器箱
CN107613415A (zh) * 2017-08-02 2018-01-19 瑞声科技(新加坡)有限公司 扬声器箱
CN107635158A (zh) * 2017-08-02 2018-01-26 瑞声科技(新加坡)有限公司 扬声器箱
CN107914961A (zh) * 2017-11-13 2018-04-17 大英县东创农业有限公司 一种立柱多层食品包装盒

Also Published As

Publication number Publication date
CN209105434U (zh) 2019-07-12

Similar Documents

Publication Publication Date Title
WO2020103301A1 (fr) Module de haut-parleur
CN211321501U (zh) 扬声器箱
WO2021164080A1 (fr) Caisson de haut-parleur
CN211321500U (zh) 扬声器箱
WO2016165355A1 (fr) Module pour haut parleur
CN108566598B (zh) 一种发声装置
CN108391188A (zh) 一种扬声器组件及电子设备
CN107396267B (zh) 微型发声器
CN111149371B (zh) 一种扬声器以及移动终端
WO2021138950A1 (fr) Enceinte de haut-parleur
WO2020062697A1 (fr) Module haut-parleur, et terminal mobile
CN109362010B (zh) 扬声器模组
CN108566599B (zh) 一种发声装置及电子设备
CN210725317U (zh) 矩形的微型扬声器及音响设备
WO2021138951A1 (fr) Enceinte de haut-parleur
WO2020062696A1 (fr) Module de haut-parleur, et terminal mobile
WO2020077776A1 (fr) Module de haut-parleur
WO2020103303A1 (fr) Module de haut-parleur
CN206674194U (zh) 发声器以及包括该发声器的发声器模组
WO2020103304A1 (fr) Module de haut-parleur
CN209017302U (zh) 扬声器模组
WO2020147542A1 (fr) Dispositif de production de son et écouteur
WO2023159991A1 (fr) Dispositif sonore et dispositif électronique
WO2023159989A1 (fr) Appareil d'émission sonore et dispositif électronique
CN207124741U (zh) 一种发声装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18941054

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18941054

Country of ref document: EP

Kind code of ref document: A1