CN112073850A - Loudspeaker box - Google Patents

Loudspeaker box Download PDF

Info

Publication number
CN112073850A
CN112073850A CN202010880905.8A CN202010880905A CN112073850A CN 112073850 A CN112073850 A CN 112073850A CN 202010880905 A CN202010880905 A CN 202010880905A CN 112073850 A CN112073850 A CN 112073850A
Authority
CN
China
Prior art keywords
cover
sound
support
shell
bracket
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.)
Pending
Application number
CN202010880905.8A
Other languages
Chinese (zh)
Inventor
吴军
印兆宇
魏威
刘忠原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Optoelectronic Changzhou Co Ltd
Science and Education City Branch of AAC New Energy Development Changzhou Co Ltd
Original Assignee
AAC Optoelectronic Changzhou Co Ltd
Science and Education City Branch of AAC New Energy Development Changzhou Co Ltd
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 AAC Optoelectronic Changzhou Co Ltd, Science and Education City Branch of AAC New Energy Development Changzhou Co Ltd filed Critical AAC Optoelectronic Changzhou Co Ltd
Priority to CN202010880905.8A priority Critical patent/CN112073850A/en
Publication of CN112073850A publication Critical patent/CN112073850A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers

Abstract

The invention provides a loudspeaker box, which comprises a shell made of metal materials, a sounding monomer and an annular bracket made of plastic materials, wherein the shell comprises a front cover and a rear cover; the sound generating unit is supported on the support and is spaced from the front cover, the support surrounds the periphery of the sound generating unit and is hermetically fixed with the sound generating unit, the sound guide part of the support penetrates through the shell and is at least partially exposed out of the shell, and the sound guide part of the support is provided with a sound guide channel; the sound producing unit, the support and the front cover jointly enclose a front sound cavity, the sound producing unit, the support, the front cover and the rear cover jointly enclose a rear sound cavity, and the sound guide channel is used for communicating the front sound cavity with the outside. Compared with the related art, the loudspeaker box has the advantages of large cavity volume and good acoustic performance.

Description

Loudspeaker box
[ 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, the loudspeaker box is high in loudness, and the low-frequency sound effect is good.
The loudspeaker box in the related art comprises a front cover, a rear cover and a sound generating unit, wherein the rear cover is covered on the front cover and jointly forms an accommodating space, the sound generating unit is accommodated in the accommodating space, and the accommodating space is divided into a front cavity and a rear cavity by the sound generating unit.
However, the front cover and the rear cover of the speaker box in the related art are both formed by injection molding, and the sound generating unit is sealed by ultrasonic welding, which requires more volume, so that the volume design of the front cavity and the rear cavity is limited, and further the acoustic performance 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 with a large cavity and good acoustic performance.
In order to achieve the above object, the present invention provides a speaker box, which includes a casing, a sound generating unit and an annular support, wherein the sound generating unit is fixedly accommodated in the casing, the annular support is made of a plastic material, the sound generating unit includes a vibrating diaphragm for vibrating and generating sound, the casing is made of a metal material, the casing includes a front cover and a rear cover which are respectively covered on two opposite sides of the sound generating unit along a vibration direction of the vibrating diaphragm, and the support includes a support main body portion which is positioned in the casing and fixed on the front cover, and a support sound guide portion which extends from the support main body portion; the side, provided with the vibrating diaphragm, of the sound-producing monomer is supported by the support and is arranged at an interval with the front cover, the support surrounds the periphery of the sound-producing monomer and forms sealing fixation with the sound-producing monomer, the sound-conducting part of the support penetrates through the shell along the vibration direction perpendicular to the vibrating diaphragm and is at least partially exposed out of the shell, and the sound-conducting part of the support is provided with a sound-conducting channel penetrating through the sound-conducting part; the sound production monomer, the support reaches the protecgulum encloses into preceding sound chamber jointly, the sound production monomer the support the protecgulum reaches back sound chamber is enclosed jointly to the back lid, the sound conduction passageway will preceding sound chamber and external intercommunication.
Preferably, the bracket main body includes a bracket fixing portion fixed to the front cover and a bracket supporting portion bent and extended from an outer peripheral edge of the bracket fixing portion toward the rear cover.
Preferably, the rear cover comprises a rear cover plate and a rear cover side wall, the rear cover plate is opposite to the front cover, the outer peripheral edge of the rear cover plate bends and extends towards the front cover and is fixedly connected with the front cover, the support sound guide part penetrates through the rear cover side wall, and the support sound guide part is sealed and fixed with the rear cover side wall and the connection part of the front cover.
Preferably, the front cover and the bracket are integrally formed by injection molding.
Preferably, the support supporting part includes by the support fixed part is buckled and is extended and be annular supporting part body and by the outer peripheral edge of supporting part body is followed sound production monomer week side direction the direction of back shroud is buckled and is extended and be annular supporting part extension wall, support sound guide portion with the supporting part extension wall is connected, the supporting part extension wall with sound production monomer's week side forms sealedly.
Preferably, the loudspeaker box further comprises a breathable isolating piece located in the rear sound cavity, and the breathable isolating piece is attached to the sound generating unit and separates the sound generating unit from the rear sound cavity.
Preferably, the breathable isolating piece comprises an isolating piece body which is opposite to the rear cover plate at intervals and is attached to the sounding single body, and an isolating piece extending part which is bent and extended from the periphery of the isolating piece body to the direction of the support; the isolating piece extending part and the side wall of the rear cover are arranged at intervals and fixed on the support supporting part; the breathable partition, the support, the front cover and the rear cover jointly enclose a powder filling space, and the powder filling space is used for filling sound-absorbing materials.
Preferably, the shell is provided with a powder filling hole penetrating through the shell, and the powder filling hole is used for communicating the rear sound cavity with the outside; the loudspeaker box also comprises a sealing cover attached to the shell, and the sealing cover completely covers the powder filling hole.
Preferably, the powder filling hole is formed in the side wall of the rear cover.
Preferably, the speaker box further includes a conductive terminal for connecting the sounding unit with an external electrical signal, and the conductive terminal penetrates through the housing and is partially exposed out of the housing.
Preferably, the rear cover side wall is provided with an accommodating groove formed by sinking one end of the rear cover side wall close to the front cover towards the direction of the rear cover plate, the conductive terminal extends out of the housing through the accommodating groove, and the front cover is simultaneously pressed on the conductive terminal and the rear cover side wall to form sealing fixation.
Compared with the prior art, the loudspeaker box has the advantages that the front cover and the rear cover of the shell are made of metal materials, the support made of plastic materials is fixed with the front cover to support and fix the sounding monomer, in the structure, the plastic support is combined with the metal front cover, and the metal front cover is combined with the metal rear cover. In addition, the support is arranged into the support main body part and the support sound guide part in the loudspeaker box, on one hand, the sound generating unit can be better fixed on the front cover through the arrangement of the support main body part, and on the other hand, the structure can also be used for setting the volume sizes of the front sound cavity and the rear sound cavity, so that the acoustic performance of the loudspeaker box is improved; the structure enables the appearance of the loudspeaker box to be matched with the appearance of the whole loudspeaker box, and further enables the loudspeaker box to be easy to apply.
[ 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 a sectional view taken along line A-A of FIG. 1;
FIG. 4 is an exploded perspective view of another embodiment of the speaker box of the present invention;
FIG. 5 is an exploded perspective view of another embodiment of the speaker box of the present invention;
FIG. 6 is a perspective view of a speaker box bracket according to the present invention;
fig. 7 is a schematic perspective view of another angle of the stand of the speaker box of the present invention.
[ 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. 1-7, the present invention provides a speaker box 100, which includes a housing 1, a sound generating unit 2 fixedly accommodated in the housing 1, and a bracket 3 located in the housing 1,
the casing 1 is made of metal material, and the casing 1 comprises a front cover 11 and a rear cover 12 which are respectively covered on two opposite sides of the sounding single body 2 along the vibration direction of the vibrating diaphragm 21.
The bracket 3 is made of plastic material and has a ring structure. The bracket 3 is fixed to the front cover 11.
The sounding unit 2 is supported by the support 3. The support 3 encircles the week side of sound production monomer 2 and with sound production monomer 2 forms sealed fixed. The sound generating unit 2, the support 3 and the front cover 11 jointly enclose a front sound cavity 101.
Wherein, the sound generating unit 2 comprises a diaphragm 21 for vibrating and generating sound. The diaphragm 21 is accommodated in the front acoustic cavity 101. One side of the sound generating unit 2, which is provided with the vibrating diaphragm 21, is supported by the support 3 and is spaced from the front cover 11. The support 3 encircles the week side of sound production monomer 2 and with sound production monomer 2 forms sealed fixed. The sound generating unit 2, the support 3, the front cover 11 and the rear cover 12 together enclose a rear sound cavity 102.
In the above structure, the front cover 11, the rear cover 12 and the combined structure of the support 3 are made of metal materials, the support 3 made of plastic materials is fixed with the front cover 11 to support and fix the sounding monomer 2, and the front cover 11 and the rear cover 12 can be designed to be thinner than an all-plastic shell structure on the premise of ensuring the structural strength of the shell 1, and the front cover 11 and the rear cover 12 made of metal materials can be fixed by metal welding without reserving more space for ultrasonic welding, so that the volume of the cavity in the shell 1 is greatly increased while the sounding monomer 2 is effectively assembled, the volume of the rear sound cavity 102 enclosed by the sounding monomer 2 and the shell 1 is effectively increased, and the acoustic performance, particularly the low-frequency acoustic performance of the speaker box 100 is improved.
Specifically, the rear cover 12 includes a rear cover 121 disposed opposite to the front cover 11, and a rear cover sidewall 122 bent and extended from an outer periphery of the rear cover 121 toward the front cover and fixedly connected to the front cover 11. The rear cover side wall 122 abuts against the front cover 11 to form a sealing fixation.
In the present embodiment, the front cover 11 and the rear cover side wall 122 of the rear cover 12 are welded to form a fixed connection, and the front cover 11 and the rear cover 12 can be designed to be thinner and have more reliable fixing strength compared to the plastic structure in the prior art.
The support 3 is ring-shaped. The holder 3 includes a holder main body portion 31 located inside the housing 1 and fixed to the front cover 11, and a holder sound guide portion 32 extending from the holder main body portion 31.
The holder body 31 includes a holder fixing portion 311 fixed to the front cover 11 and a holder supporting portion 312 bent and extended from an outer peripheral edge of the holder fixing portion 311 toward the rear cover 12.
The holder fixing portion 311 is annular. One side of the sound generating unit 2, which is provided with the diaphragm 21, is supported by the bracket fixing portion 311. The holder fixing portion 311 is fixed to the front cover 11. In this embodiment, the front cover 11 and the bracket 3 are integrally injection molded. In other alternative embodiments, the front cover 11 may be fixedly and hermetically connected to the bracket 3 by gluing.
The holder support 312 is bent and extended from the outer periphery of the holder fixing portion 311 in the direction of the rear cover 12. Specifically, the support supporting portion 312 surrounds the periphery of the sound generating unit 2 and forms a sealing fixation with the sound generating unit 2, so that the rear sound cavity 102 forms a closed space for improving the low-frequency acoustic performance of the speaker box 100.
Specifically, the support supporting portion 312 includes a support body 3121 that is bent and extended by the support fixing portion 311 and is annular, and a support extending wall 3122 that is bent and extended along the direction of the rear cover plate 121 and is annular by the outer peripheral edge of the support body 3121, the support extending wall 3122 forms a seal with the peripheral side of the sound generating unit 2. This structure makes the sound generating unit 2 and the support supporting portion 312 form a seal more firmly, and the reliability is higher.
Preferably, the arrangement of the bracket fixing portion 311 and the bracket supporting portion 312 connected to each other can better fix the sound generating unit 2 to the front cover 11, and the other aspect of the structure can also be used to set the volume of the front sound cavity 101 and the volume of the rear sound cavity 102, thereby improving the acoustic performance of the speaker box 100.
The support sound guiding portion 32 is formed by extending the support portion extending wall 3122. The rear cover side wall 122 abuts against the bracket sound guide 32 to form a sealing fixation. Specifically, the joint between the bracket sound guide 32 and the rear cover side wall 122 and the front cover 11 is fixed in a sealing manner. The support sound guide portion 32 penetrates the housing 1 along a direction perpendicular to the vibration direction of the diaphragm 21 and is at least partially exposed out of the housing 1. The structure forms a side sounding structure of the speaker box 100, which is beneficial to the flexible assembly of the speaker box 100 in the whole machine, so that the speaker box 100 has good sounding effect. Specifically, the bracket sound guide 32 is provided through the rear cover side wall 122. The holder sound guide part 32 is provided with a sound guide channel 320 penetrating through the holder sound guide part, and the sound guide channel 320 connects the front sound cavity 101 with the outside. This configuration allows the speaker box 100 of the present invention to match the overall shape, thereby making the speaker box 100 easy to use.
For further improving the low frequency acoustic performance of the speaker 100, the speaker box 100 further includes a breathable isolation member 4 located in the rear sound cavity 102, the breathable isolation member 4 is attached to the sound-producing single body 2 and separates the sound-producing single body 2 from the rear sound cavity 102, so that the rear sound cavity 102 can be filled with sound-absorbing material.
Specifically, the ventilation spacer 4 includes a spacer body 41 facing the back cover plate 121 at a distance and attached to the sound generating unit 2, and a spacer extension 42 extending from the periphery of the spacer body 41 to the support 3 in a bending manner. The spacer extensions 42 are spaced apart from the rear cover sidewalls 122 and are secured to the bracket support 312. Specifically, the spacer extension 42 is fixed to a side of the support portion extension wall 3122 away from the front cover 11. Ventilative separator 4 the support 3 the protecgulum 11 reaches back lid 12 encloses into jointly and irritates the powder space, irritate the powder space and be used for filling sound absorbing material, for example inhale the sound granule, inhale the sound cotton etc..
In order to further improve the air pressure balance between the rear acoustic cavity 102 and the outside, the casing 1 is provided with a powder filling hole 13 penetrating through the casing, and the powder filling hole 13 is communicated with the rear acoustic cavity 102. In this embodiment, the powder filling hole 13 is disposed on the rear cover sidewall 122. The speaker box 100 further includes a sealing cover 5 attached to the housing 1, and the sealing cover 5 completely covers the powder filling hole 13. The sealing cover 5 can seal the powder filling hole 13 after the sound absorbing material is filled into the powder filling space through the powder filling hole 13, so that the assembly of the loudspeaker box 100 is simpler and more reliable.
The speaker box 100 further includes a conductive terminal 6 for connecting the sound generating unit 2 with an external electrical signal. The conductive terminals 6 penetrate through the housing 1 and are partially exposed out of the housing 1.
In this embodiment, the rear cover sidewall 122 has a receiving groove 120 formed by recessing one end of the rear cover sidewall 122 close to the front cover 11 toward the rear cover 121, the conductive terminal 6 extends out of the housing 1 through the receiving groove 120, and the front cover 11 is pressed on the conductive terminal 6 and the rear cover sidewall 122 to form a sealing fixation. The structure is convenient to assemble, and the assembly efficiency is improved.
Compared with the prior art, the loudspeaker box has the advantages that the front cover and the rear cover of the shell are made of metal materials, the support made of plastic materials is fixed with the front cover to support and fix the sounding monomer, in the structure, the plastic support is combined with the metal front cover, and the metal front cover is combined with the metal rear cover. In addition, the support is arranged into the support main body part and the support sound guide part, so that the sound generating unit can be better fixed on the front cover through the arrangement of the support main body part, and the structure can be used for setting the volume sizes of the front sound cavity and the rear sound cavity on the other hand, so that the acoustic performance of the loudspeaker box is improved; the structure enables the appearance of the loudspeaker box to be matched with the appearance of the whole loudspeaker box, and further enables the loudspeaker box to be easy to apply.
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 (11)

1. A loudspeaker box comprises a shell and a sound production unit which is fixedly contained in the shell, wherein the sound production unit comprises a vibrating diaphragm used for vibrating and producing sound, the loudspeaker box is characterized in that the shell is made of metal materials, the shell comprises a front cover and a rear cover which are respectively arranged on two opposite sides of the sound production unit in a covering mode along the vibration direction of the vibrating diaphragm, the loudspeaker box further comprises an annular support which is made of plastic materials, and the support comprises a support main body part and a support sound guide part, wherein the support main body part is positioned in the shell and is fixed on the front cover, and the support sound guide part extends from the support main body part; the side, provided with the vibrating diaphragm, of the sound-producing monomer is supported by the support and is arranged at an interval with the front cover, the support surrounds the periphery of the sound-producing monomer and forms sealing fixation with the sound-producing monomer, the sound-conducting part of the support penetrates through the shell along the vibration direction perpendicular to the vibrating diaphragm and is at least partially exposed out of the shell, and the sound-conducting part of the support is provided with a sound-conducting channel penetrating through the sound-conducting part; the sound production monomer, the support reaches the protecgulum encloses into preceding sound chamber jointly, the sound production monomer the support the protecgulum reaches back sound chamber is enclosed jointly to the back lid, the sound conduction passageway will preceding sound chamber and external intercommunication.
2. The speaker cabinet according to claim 1, wherein the bracket main body portion includes a bracket fixing portion fixed to the front cover and a bracket supporting portion extending from an outer peripheral edge of the bracket fixing portion to be bent toward the rear cover.
3. The speaker box according to claim 1, wherein the rear cover includes a rear cover plate disposed opposite to the front cover and a rear cover sidewall bent and extended from an outer periphery of the rear cover plate toward the front cover and fixedly connected to the front cover, the bracket sound guide portion is disposed through the rear cover sidewall, and a joint of the bracket sound guide portion and the rear cover sidewall and a joint of the front cover are sealed and fixed.
4. A loudspeaker enclosure according to claim 1, wherein the front cover is integrally injection moulded with the bracket.
5. The speaker box according to claim 2, wherein the support portion includes a support body bent and extended by the support fixing portion and having an annular shape, and a support extension wall bent and extended by an outer peripheral edge of the support body in a direction from the sound generating unit to the rear cover plate, the support sound guiding portion is connected to the support extension wall, and the support extension wall forms a seal with the peripheral side of the sound generating unit.
6. The speaker box of claim 1, further comprising a breathable spacer located within the rear acoustic chamber, the breathable spacer being attached to the sound-emitting units and separating the sound-emitting units from the rear acoustic chamber.
7. The loudspeaker box according to claim 5, wherein the ventilation spacer comprises a spacer body which is opposite to the rear cover plate at a distance and is attached to the sounding single body, and a spacer extension which is bent and extended from the periphery of the spacer body to the direction of the support; the isolating piece extending part and the side wall of the rear cover are arranged at intervals and fixed on the support supporting part; the breathable partition, the support, the front cover and the rear cover jointly enclose a powder filling space, and the powder filling space is used for filling sound-absorbing materials.
8. The loudspeaker enclosure of claim 6, wherein the housing has a powder filling hole therethrough, the powder filling hole communicating the rear acoustic cavity with the outside; the loudspeaker box also comprises a sealing cover attached to the shell, and the sealing cover completely covers the powder filling hole.
9. The speaker box of claim 8, wherein the powder filling hole is provided in the rear cover sidewall.
10. The speaker box of claim 3, further comprising a conductive terminal for connecting the sound generating unit with an external electrical signal, wherein the conductive terminal penetrates through the housing and is partially exposed out of the housing.
11. The speaker box as claimed in claim 10, wherein the side wall of the rear cover has a receiving slot formed by recessing an end of the side wall close to the front cover toward the rear cover, the conductive terminal extends out of the housing through the receiving slot, and the front cover is pressed on the conductive terminal and the side wall of the rear cover to form a sealing fixation.
CN202010880905.8A 2020-08-27 2020-08-27 Loudspeaker box Pending CN112073850A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010880905.8A CN112073850A (en) 2020-08-27 2020-08-27 Loudspeaker box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010880905.8A CN112073850A (en) 2020-08-27 2020-08-27 Loudspeaker box

Publications (1)

Publication Number Publication Date
CN112073850A true CN112073850A (en) 2020-12-11

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ID=73659064

Family Applications (1)

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CN202010880905.8A Pending CN112073850A (en) 2020-08-27 2020-08-27 Loudspeaker box

Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112468906A (en) * 2020-12-18 2021-03-09 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box and assembling process thereof
CN112468911A (en) * 2020-12-18 2021-03-09 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box and assembling process thereof
CN112468910A (en) * 2020-12-18 2021-03-09 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box and assembling process thereof
CN112511932A (en) * 2020-12-18 2021-03-16 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box and assembling process thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140079263A1 (en) * 2012-09-14 2014-03-20 Htc Corporation Portable electronic device
CN205754832U (en) * 2016-04-29 2016-11-30 歌尔股份有限公司 Loudspeaker housing and speaker module
CN208353585U (en) * 2018-01-04 2019-01-08 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN211321501U (en) * 2020-01-09 2020-08-21 瑞声科技(新加坡)有限公司 Loudspeaker box

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140079263A1 (en) * 2012-09-14 2014-03-20 Htc Corporation Portable electronic device
CN205754832U (en) * 2016-04-29 2016-11-30 歌尔股份有限公司 Loudspeaker housing and speaker module
CN208353585U (en) * 2018-01-04 2019-01-08 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN211321501U (en) * 2020-01-09 2020-08-21 瑞声科技(新加坡)有限公司 Loudspeaker box

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112468906A (en) * 2020-12-18 2021-03-09 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box and assembling process thereof
CN112468911A (en) * 2020-12-18 2021-03-09 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box and assembling process thereof
CN112468910A (en) * 2020-12-18 2021-03-09 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box and assembling process thereof
CN112511932A (en) * 2020-12-18 2021-03-16 瑞声新能源发展(常州)有限公司科教城分公司 Loudspeaker box and assembling process thereof

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