WO2022067908A1 - Caisson de haut-parleur - Google Patents

Caisson de haut-parleur Download PDF

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Publication number
WO2022067908A1
WO2022067908A1 PCT/CN2020/122602 CN2020122602W WO2022067908A1 WO 2022067908 A1 WO2022067908 A1 WO 2022067908A1 CN 2020122602 W CN2020122602 W CN 2020122602W WO 2022067908 A1 WO2022067908 A1 WO 2022067908A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
hole portion
metal bottom
bottom case
shape
Prior art date
Application number
PCT/CN2020/122602
Other languages
English (en)
Chinese (zh)
Inventor
肖波
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声光电科技(常州)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 瑞声声学科技(深圳)有限公司, 瑞声光电科技(常州)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2022067908A1 publication Critical patent/WO2022067908A1/fr

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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

Definitions

  • the present application relates to the technical field of acoustic design, and in particular, to a speaker box.
  • Speaker boxes are an essential part of terminal equipment (such as mobile phones). At present, there are some speaker boxes with metal bottom shells on the market, which have the advantages of large back cavity, fast heat conduction and high strength.
  • the metal bottom shell of the speaker box and the basin frame of the speaker unit are injection-molded, but after injection molding, there is a problem that the bonding force between the basin frame of the speaker unit and the metal bottom casing is not strong, which affects the use of the speaker box.
  • the metal bottom shell and the speaker unit's basin frame are injection-molded. After injection molding, there is a problem that the bonding force between the speaker unit's basin frame and the metal bottom case is not strong, which affects the use of the speaker box.
  • the purpose of the present application is to provide a speaker box, the bonding strength of the basin frame of the speaker unit and the metal bottom case after injection molding.
  • a speaker box comprising a metal bottom case and a speaker unit, the metal bottom case has a receiving cavity, and the speaker unit includes a vibration system for driving the vibration system to vibrate A sounding magnetic circuit system and a basin frame for installing the vibration system and the magnetic circuit system, the basin frame is at least partially received in the receiving cavity;
  • the metal bottom shell includes a bottom plate and a side plate, the The side plate is surrounded by the edge of the bottom plate to form the receiving cavity, the side plate is provided with an assembly hole, and the assembly hole has a larger diameter on the side away from the receiving cavity, and the basin frame is made of injection molding. It is formed on the metal bottom shell, and a protrusion embedded in the assembling hole is formed on the outer side of the basin frame, and the shape of the protrusion is matched with the shape of the assembling hole.
  • the assembly hole includes a through hole portion and a tapered hole portion communicated with the through hole portion, the tapered hole portion is provided on a side of the through hole portion away from the receiving cavity, The diameter of the tapered hole portion is larger than the diameter of the through hole portion, and the shape of the protrusion is adapted to the shape of the assembly hole.
  • the assembly hole includes a first through hole portion and a second through hole portion communicating with the first through hole portion, and the second through hole portion is provided in the first through hole portion.
  • the hole portion is on the side away from the receiving cavity, the diameter of the second through hole portion is larger than that of the first through hole portion, and the shape of the protrusion matches the shape of the assembly hole.
  • the mounting hole is a tapered hole, the farther the mounting hole is from the receiving cavity, the larger the hole diameter of the mounting hole, and the shape of the protrusion is suitable for the shape of the mounting hole match.
  • the speaker box further includes a plastic part
  • the metal bottom case has an antenna signal interference critical area
  • the metal bottom case is set as a through hole at the antenna signal interference critical area
  • the plastic part embedded in the through hole
  • the plastic part is a plastic part made of LCP or PBT or PPS or PPO or PP or PET or PEN material.
  • the side of the through hole close to the receiving cavity has a larger diameter.
  • the through hole includes a through hole portion and a conical hole portion communicated with the through hole portion, the conical hole portion communicates with the receiving cavity, and the diameter of the conical hole portion is larger than The diameter of the through hole portion and the shape of the plastic part are adapted to the shape of the through hole.
  • the plastic part is injection-molded on the metal bottom case.
  • an inverted buckle structure can be formed between the protrusion formed on the outer side of the basin frame and the metal bottom shell.
  • the bonding strength between the basin frame and the metal bottom casing is increased, so that the basin frame can be firmly connected to the metal bottom casing.
  • FIG. 1 is a schematic structural diagram of a speaker box provided by an embodiment of the present application.
  • FIG. 2 is an exploded schematic view of the speaker cabinet shown in FIG. 1 .
  • FIG. 3 is a schematic view of the section A-A in FIG. 2 .
  • FIG. 4 is a partial enlarged schematic view of B in FIG. 3 .
  • FIG. 5 is a schematic diagram of a modified embodiment of the through hole.
  • FIG. 6 is a schematic diagram of another variant embodiment of the through hole.
  • FIG. 7 is a schematic diagram of another variant embodiment of the through hole.
  • FIG. 8 is a schematic diagram of another variant embodiment of the through hole.
  • FIG. 9 is an exploded schematic diagram of a speaker box provided by another embodiment of the present application.
  • FIG. 10 is a schematic cross-sectional view of C-C in FIG. 9 .
  • FIG. 11 is a partial enlarged schematic diagram of the position D in FIG. 10 .
  • FIG. 12 is a schematic diagram of a variant embodiment of the mounting hole.
  • FIG. 13 is a schematic diagram of another variant embodiment of the mounting hole.
  • FIG. 14 is a schematic structural diagram of a speaker box provided by another embodiment of the present application.
  • FIG. 15 is a schematic cross-sectional view of E-E in FIG. 14 .
  • Figure 16 is a schematic exploded view of the vibration system.
  • Figure 17 is an exploded schematic diagram of the magnetic circuit system.
  • FIG. 18 is an exploded schematic diagram of a speaker box provided by another embodiment of the present application.
  • FIG. 19 is a schematic partial structural diagram of a mobile terminal according to an embodiment of the present application.
  • FIG. 20 is an exploded schematic view of the structure shown in FIG. 19 .
  • an embodiment of the present application provides a speaker box 100 for a mobile terminal with an antenna.
  • the speaker box 100 includes a metal bottom case 10 , a plastic part 20 and a speaker unit 30 .
  • the metal bottom case 10 has an accommodating cavity 11, the speaker unit 30 is at least partially accommodated in the accommodating cavity 11, the metal bottom case 10 has an antenna signal interference key area 12, the metal bottom case 10 is set as a through hole 13 at the antenna signal interference key area, and the plastic parts 20 is embedded in the through hole 13 .
  • the antenna signal interference critical area 12 can be obtained by simulation.
  • the metal bottom case 10 includes a bottom plate 14 and a side plate 15 .
  • the side plate 15 is formed around the edge of the bottom plate 14 to form the receiving cavity 11 , and the through hole 13 is provided on the bottom plate 14 of the metal bottom case 10 .
  • the metal bottom case 10 is integrally formed by stamping a stainless steel plate.
  • the metal bottom case 10 can also be formed by integral stamping of other metals, such as aluminum alloys.
  • the plastic part 20 is LCP (Liquid Crystal Polymer, liquid crystal polymer) or PBT (Polybutylene terephthalate, polybutylene terephthalate) or PPS (Phenylenesulfide, PPS plastic material) or PPO (Polyphenylene) Oxide, polyphenylene ether) or PP (polypropylene, polypropylene) or PET (Polyethylene terephthalate, polyethylene terephthalate) or PEN (Polyethylene Plastic parts made of naphthalate two formic acid glycol ester, polyethylene naphthalate).
  • the plastic part 20 made of the above-mentioned materials has high thermal conductivity, low dielectric constant and low dielectric loss, and can effectively maintain the high strength of the metal bottom case 10 and the good heat dissipation effect. The influence of the metal bottom case 10 on the antenna performance is reduced.
  • the plastic part 20 is injection-molded on the metal bottom case 10 .
  • the through hole 13 includes a through hole portion 131 and a conical hole portion 132 communicating with the through hole portion 131 .
  • the conical hole portion 132 communicates with the receiving cavity 11 , and the diameter of the conical hole portion 132 is larger than that of the through hole portion 132 .
  • the diameter of the hole portion 131 and the shape of the plastic part are adapted to the shape of the through hole 13 .
  • the through hole portion 131 means that the hole wall of the hole has no pore diameter change, and the hole wall is parallel to the normal direction of the bottom plate 14 , and the definition is used in the following.
  • the tapered hole portion 132 compared with the method of setting the through hole 13 as a straight hole, by providing the tapered hole portion 132, not only the contact area between the plastic part 20 and the metal bottom case 10 can be increased, but also the plastic part 20 can be more easily after injection molding. It is well fixed on the metal bottom case 10 , and the edge of the plastic part 20 can be clamped on the metal bottom case 10 , so that the plastic part 20 is not easy to fall off from the through hole 13 .
  • the through hole 13a includes a first through hole portion 13a1 and a second through hole portion communicating with the first through hole portion 13a1.
  • the second through hole 13a2 communicates with the receiving cavity 11
  • the diameter of the second through hole 13b2 is larger than that of the first through hole 13a1
  • the shape of the plastic part matches the shape of the through hole 13a.
  • this embodiment can not only increase the contact area between the plastic part and the metal bottom case, so that the plastic part can be better fixed on the metal bottom case after injection molding, and the edge of the plastic part can be clamped on the metal bottom case, so that the plastic part can be fixed on the metal bottom case. Pieces do not easily fall out of through holes.
  • the through hole 13b is a tapered hole.
  • this embodiment can not only increase the contact area between the plastic part and the metal bottom case, so that the plastic part can be better fixed on the metal bottom case after injection molding, and the edge of the plastic part can be clamped on the metal bottom case, so that the plastic part can be fixed on the metal bottom case. Pieces do not easily fall out of through holes.
  • the through holes are not limited to 13, 13a, 13b, as long as the side of the through holes close to the receiving cavity 11 has a larger diameter, so that the connection between the plastic part and the metal bottom case is more secure.
  • the through hole 13c includes a first through hole portion 13c1, a second through hole portion 13c2, and a through hole portion located in the first through hole portion 13c2.
  • the diameter of the second through hole portion 13c2 is larger than that of the third through hole portion 13c3, and the shape of the plastic part matches the shape of the through hole 13c.
  • the plastic parts after injection molding can be firmly clamped to the metal bottom case.
  • the through hole 13d includes a first tapered hole portion 13d1 and a second tapered hole communicated with the first tapered hole portion 13d1.
  • 13d2 the farther the first conical hole portion 13d1 is from the receiving cavity 11, the larger the diameter of the first conical hole portion 13d1, the closer the second conical hole portion 13d2 is to the receiving cavity 11, the larger the diameter of the second conical hole portion 13d2 is.
  • the shape of the plastic piece is adapted to the shape of the through hole 13d.
  • the plastic parts after injection molding can be firmly clamped to the metal bottom case.
  • the through holes are not limited to the above-mentioned 13c and 13d arrangements, as long as the diameter of the through holes is first reduced and then increased in the thickness direction of the metal bottom case, so that the plastic parts and the metal bottom case are connection is more solid.
  • the speaker unit 30 includes a vibration system 31 , a magnetic circuit system 32 for driving the vibration system 31 to vibrate and sound, and a magnetic circuit system 32 for installing the vibration system 31 and the magnetic circuit system 32
  • the basin frame 33, the basin frame 33 is at least partially accommodated in the receiving cavity 11, the side plate 15 of the metal bottom case 10 is provided with an assembly hole 16, the basin frame 33 is injection-molded on the metal bottom case 10, and the outer side of the basin frame 33 is formed with
  • the protrusions 331 are embedded in the mounting holes 16 .
  • the basin frame 33 and the metal bottom case 10 can be firmly connected through the cooperation of the protrusion 331 with the mounting hole 16 .
  • the basin frame 33 is made of plastic material. It should be noted that the mounting holes 16 are not limited to be provided on the side plates 15 of the metal bottom case 10 , for example, the mounting holes 16 may also be provided on the bottom plate 14 of the metal bottom case 10 , depending on actual design requirements.
  • the assembly hole 16 includes a through hole portion 161 and a tapered hole portion 162 communicating with the through hole portion 161 .
  • the tapered hole portion 162 is provided on the side of the through hole portion 161 away from the receiving cavity 11 .
  • the hole diameter of the portion 162 is larger than that of the through hole, and the shape of the protrusion 331 is adapted to the shape of the mounting hole.
  • an inverted structure can be formed between the protrusion 331 formed on the outer side of the pot frame 33 and the metal bottom case 10, and the pot frame 33 and the metal bottom case 10 can be formed.
  • the bonding strength of the bottom case 10 enables the basin frame 33 to be firmly connected to the metal bottom case 10 .
  • the mounting hole 16a includes a first through hole portion 16a1 and a second through hole communicating with the first through hole portion 16a1 part 16a2, the second through hole part 16a2 is provided on the side of the first through hole part 16a1 away from the receiving cavity 11, the diameter of the second through hole part 16a2 is larger than that of the first through hole part 16a1, and the shape of the protrusion is The shape of the mounting hole is adapted.
  • an inverted structure can be formed between the protrusion formed on the outer side of the basin frame and the metal bottom case, which increases the bonding strength between the basin frame and the metal bottom case, so that the basin frame can be stably connected. on the metal bottom case.
  • Figure 13 shows another variant of the mounting hole.
  • the mounting hole 16b is a tapered hole.
  • the shape matches the shape of the mounting hole.
  • an inverted structure can be formed between the protrusion formed on the outer side of the basin frame and the metal bottom case, which increases the bonding strength between the basin frame and the metal bottom case, so that the basin frame can be stably connected. on the metal bottom case.
  • the assembly holes are not limited to the arrangement of 16, 16a and 16b, as long as the assembly hole has a larger diameter on the side away from the receiving cavity 11, so that the injection-molded basin frame is formed by the protrusion and the assembly hole.
  • the inverted buckle structure makes the basin frame can be firmly connected to the metal bottom shell.
  • the speaker box 100 further includes a ventilating spacer 40 disposed on the inner side of the basin frame 33 , and the ventilating spacer 40 and the top of the basin frame 33 are enclosed to form a front cavity 11a
  • the bottom of the ventilating spacer 40, the metal bottom case 10 and the basin frame 33 are enclosed to form the rear cavity 11b, and the vibration system 31 and the magnetic circuit system 32 are arranged in the front cavity 11a.
  • the breathable spacer 40 is a breathable mesh.
  • the basin frame 33 includes two sub-basin frames 33a arranged at intervals, and the two sub-basin frames 33a are respectively formed on opposite sides of the metal bottom case 10.
  • the occupied space of the basin frame 33 can be reduced. , so that the speaker box has a larger back cavity 11b, so as to obtain a better sound effect.
  • the basin frame 33 can also be provided as a complete annular structure.
  • the opposite sides of the two sub-basin frames 33a are provided with first steps 332, the opposite sides of the support plate 40 are respectively overlapped with the first steps 332 of the two sub-basin frames 33a, and the magnetic circuit system 32 is installed on the support plate 40. on board 40.
  • the metal bottom case 10 is provided with a filling hole 17 which communicates with the rear cavity 11 b , and the rear cavity 11 b is filled with sound-absorbing particles through the filling hole 17 .
  • the vibration system 31 includes a lower sound diaphragm 311 , an annular support 312 , an annular diaphragm 313 , a voice coil bobbin 314 , a voice coil 315 and a dome 316 .
  • the two lower sound membranes 311 there are two lower sound membranes 311 , the two lower sound membranes 311 are located on opposite sides of the magnetic circuit system 32 respectively, and the outer sides of the lower sound membranes 311 are sandwiched between the basin frame 33 and the annular support 312 , for example
  • the basin frame 33 is provided with a second step 333
  • the lower surface of the outer side of the lower sound membrane 311 is overlapped with the second step 333
  • the annular bracket 312 is attached to the upper surface of the outer side of the lower sound membrane 311, the annular bracket 312 and the basin frame 33 clamps the outer side of the lower sound membrane 311 from the upper and lower surfaces.
  • the outer side of the annular diaphragm 313 is connected to the annular support 312 .
  • the voice coil bobbin 314 is connected to the inner side of the lower voice diaphragm 311 and the inner side of the annular diaphragm 313 .
  • the voice coil 315 is connected to the voice coil skeleton 314 , and the voice coil 315 vibrates up and down under the driving of the magnetic circuit system 32 , thereby driving the lower voice membrane 311 and the annular vibrating membrane 313 to vibrate up and down to produce sound.
  • the dome 316 is disposed inside the annular diaphragm 313 and mounted on the voice coil bobbin 314 .
  • the voice coil bobbin 314 includes a skeleton body 3141 and a support frame 3142.
  • the skeleton body 3141 is annular, the upper surface of the skeleton body 3141 is connected to the annular diaphragm 313, and the lower surface of the skeleton body 3141 is connected to the voice coil 315 and the lower surface.
  • the support frame 3142 is installed on the inner side of the frame body 3141 .
  • the vibration system 31 further includes two elastic supports 317 respectively disposed on opposite sides of the voice coil 315 , and the elastic supports 317 include an elastic support body 3171 connected to the basin frame 33 and a slave elastic support body
  • the elastic arm 3172 of the 3171 extends toward the voice coil 315 , and one end of the elastic arm 3172 away from the elastic support body 3171 is sandwiched between the lower sound membrane 311 and the skeleton body 3141 .
  • the elastic support member 317 is a flexible circuit board, which not only functions as an elastic support for the voice coil 315 , but can also be used for electrical connection between the voice coil 315 and an external power source.
  • the magnetic circuit system 32 includes a magnetic bowl 321 installed in the middle of the bottom frame, a main magnetic steel 322 arranged in the middle of the magnetic bowl 321, four auxiliary magnetic steels 323 arranged on the magnetic bowl 321 and arranged around the main magnetic steel 322, and attached
  • the main pole core 324 on the side of the main magnetic steel 322 away from the magnetic bowl 321 and the secondary pole core 325 on the side of the auxiliary magnetic steel 323 away from the magnetic bowl 321 are arranged at intervals between the main magnetic steel 322 and the auxiliary magnetic steel 323.
  • the ring 315 is movably sleeved outside the main magnet 322 . It can be understood that the number of secondary magnets 323 is not limited to four, for example, there are two secondary magnets 323 , and two secondary magnets 323 may be provided on two opposite sides of the main magnet 322 respectively.
  • the speaker box' includes a bottom case assembly 10' and a speaker unit 20', the bottom case assembly 10' has a receiving cavity 11', and the speaker unit 20' is at least partially housed in the receiving chamber 11'.
  • the bottom case assembly 10' includes a metal bottom case 12' and a protective film 13', the metal bottom case 12' has the receiving cavity 11', and the protective film 13' is attached to the outer side of the metal bottom case 12' .
  • the bottom case assembly 10' is integrally stamped and formed by a metal plate attached with a protective film.
  • the manufacturing process is simple, and the protective film 13' can prevent the surface of the metal plate from being scratched during the stamping process.
  • the protective film 13 ′ is any one of a PET (Polyethylene terephthalate, polyethylene terephthalate) film, a PE (polyethylene, polyethylene) film, and a PVC (Polyvinyl chloride, polyvinyl chloride) film .
  • PET Polyethylene terephthalate, polyethylene terephthalate
  • PE polyethylene, polyethylene
  • PVC Polyvinyl chloride, polyvinyl chloride
  • the protective film 13' includes at least a polymer layer that provides color display, and the color of the protective film 13' can be changed by changing the material of the polymer layer, so as to meet customer requirements for product color.
  • an embodiment of the present application further provides a terminal device.
  • the mobile terminal includes a casing 400 and the aforementioned speaker box 100 .
  • the casing 400 includes a casing body 200 and at least one antenna 300 .
  • the casing body 200 is provided with a receiving cavity 202 with an opening 201 on one side, the antenna 300 is arranged on the housing body 200 and extends to one side of the opening 201 ; the speaker box 100 is arranged in the receiving cavity 202 and the bottom plate 14 is exposed to the receiving cavity 202 through the opening 201
  • the antenna signal interference critical area 12 is located on the side of the base plate 14 close to the antenna 300 .
  • the antenna 300 adopts a laser direct molding technology (Laser Direct Structuring, LDS) is directly molded on the housing body 200 .
  • LDS Laser Direct Structuring
  • the provided terminal devices can be mobile phones, notebook computers, tablet computers, wearable devices, etc.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

La présente invention concerne un caisson de haut-parleur. Le caisson de haut-parleur comprend une coque inférieure en métal et une unité de haut-parleur. La coque inférieure métallique a une cavité de logement ; l'unité de haut-parleur comprend un système de vibration, un système de circuit magnétique pour entraîner le système de vibration à vibrer et à produire un son, et un cadre pour monter le système de vibration et le système de circuit magnétique ; le cadre est au moins partiellement logé dans la cavité de logement ; la coque inférieure métallique comprend une plaque inférieure et des plaques latérales ; les plaques latérales sont ajustées autour du bord de la plaque inférieure pour former la cavité de logement ; les plaques latérales sont pourvues de trous d'assemblage, les côtés des trous d'assemblage éloignés de la cavité de logement ont un plus grand diamètre, le cadre est moulé par injection sur la coque inférieure métallique, des saillies encastrées dans les trous d'assemblage sont formées sur les côtés extérieurs du cadre, et la forme des saillies est adaptée à la forme des trous d'assemblage. Dans le caisson de haut-parleur fourni par la présente invention, les côtés des trous d'assemblage éloignés de la cavité de logement ont un plus grand diamètre, et après le moulage par injection, des structures à engagement inverse peuvent être formées entre les saillies formées sur les côtés extérieurs du cadre et la coque inférieure métallique, augmentant la force de liaison du cadre et de la coque inférieure métallique, et reliant ainsi fermement le cadre à la coque inférieure métallique.
PCT/CN2020/122602 2020-09-29 2020-10-21 Caisson de haut-parleur WO2022067908A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011055712.5A CN112104935A (zh) 2020-09-29 2020-09-29 扬声器箱
CN202011055712.5 2020-09-29

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Publication Number Publication Date
WO2022067908A1 true WO2022067908A1 (fr) 2022-04-07

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Publication number Priority date Publication date Assignee Title
CN112601160B (zh) * 2020-12-08 2022-08-12 歌尔股份有限公司 一种发声装置和电子装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203150693U (zh) * 2013-04-19 2013-08-21 广州创启通信设备有限公司 可防止无线信号屏蔽的一体化天线组件及智能移动终端
CN205584479U (zh) * 2016-03-31 2016-09-14 歌尔声学股份有限公司 扬声器模组
CN206433105U (zh) * 2017-01-12 2017-08-22 瑞声科技(新加坡)有限公司 扬声器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204069319U (zh) * 2014-07-18 2014-12-31 瑞声光电科技(常州)有限公司 发声器件
CN207200908U (zh) * 2017-08-29 2018-04-06 歌尔科技有限公司 扬声器模组以及电子设备
CN108632728B (zh) * 2018-06-25 2020-08-11 歌尔股份有限公司 发声器件及便携终端
CN109195078B (zh) * 2018-08-09 2021-02-09 瑞声科技(新加坡)有限公司 发声器件
CN208924492U (zh) * 2018-09-20 2019-05-31 瑞声科技(新加坡)有限公司 扬声器
CN210781330U (zh) * 2019-11-12 2020-06-16 瑞声科技(新加坡)有限公司 扬声器箱

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203150693U (zh) * 2013-04-19 2013-08-21 广州创启通信设备有限公司 可防止无线信号屏蔽的一体化天线组件及智能移动终端
CN205584479U (zh) * 2016-03-31 2016-09-14 歌尔声学股份有限公司 扬声器模组
CN206433105U (zh) * 2017-01-12 2017-08-22 瑞声科技(新加坡)有限公司 扬声器

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