CN107172545B - Loudspeaker assembly and mobile terminal - Google Patents
Loudspeaker assembly and mobile terminal Download PDFInfo
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- CN107172545B CN107172545B CN201710349598.9A CN201710349598A CN107172545B CN 107172545 B CN107172545 B CN 107172545B CN 201710349598 A CN201710349598 A CN 201710349598A CN 107172545 B CN107172545 B CN 107172545B
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- sealing ring
- speaker
- sound
- gasket
- top surface
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- 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
-
- 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
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a loudspeaker assembly, which comprises a shell, a loudspeaker and a sealing ring, wherein the shell is provided with a fixing groove, the loudspeaker is fixed in the fixing groove, the fixing groove comprises a groove bottom surface, the loudspeaker comprises a top surface facing the groove bottom surface, the sealing ring is fixed between the top surface and the groove bottom surface, a sound cavity is formed by a space formed by the top surface, the sealing ring and the groove bottom surface, the shell is provided with a sound outlet, the sealing ring is provided with a first notch positioned between the sound outlet and the sound cavity, a propagation channel is formed by the space formed by the first notch, the top surface and the groove bottom surface, and the propagation channel is communicated with the sound cavity and the sound outlet. The invention also discloses a mobile terminal. The first notch avoids the sealing ring from blocking the communication between the sound cavity and the sound outlet, the sound transmission efficiency of the loudspeaker assembly is improved, the use requirement of the mobile terminal on the loudspeaker is met, and the user experience is improved.
Description
Technical Field
The invention relates to the field of sound generating equipment of electronic equipment, in particular to a loudspeaker assembly and a mobile terminal.
Background
At present, mobile terminals, such as mobile phones, are usually equipped with a speaker for serving as a sound output device of the mobile terminal. The speaker assembly is generally installed in the speaker support and the housing, and the housing is provided with a sound outlet to transmit the sound in the sound cavity to the outside of the mobile terminal device. Among the prior art, speaker assembly's speaker body surface is equipped with the cotton sealing member of bubble in order to seal up the sound chamber, the cotton whole one side that is located speaker body and faces the casing internal surface of bubble, it is cotton still to be equipped with fixed frame between bubble cotton and the casing and be used for fixed bubble, because fixed frame has certain volume with the bubble cotton, the part has blockked the intercommunication of sound chamber and sound outlet, the sound that speaker body sent is through the unable outside transmission of the in-process part sound that sound outlet outwards propagated, lead to speaker assembly's sound transmission inefficiency, mobile terminal sound production volume is little, the sound distortion, can't satisfy the operation requirement.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a loudspeaker assembly and a mobile terminal, which are used for solving the problems that the loudspeaker assembly in the prior art is low in sound transmission efficiency, small in sound volume of the mobile terminal, distorted in sound and incapable of meeting the use requirements.
In order to solve the technical problem, the invention provides a loudspeaker assembly, which comprises a shell, a loudspeaker and a sealing ring, wherein the shell is provided with a fixing groove, the loudspeaker is fixed in the fixing groove, the fixing groove comprises a groove bottom surface, the loudspeaker comprises a top surface facing the groove bottom surface, the sealing ring is fixed between the top surface and the groove bottom surface, a sound cavity is formed by a space surrounded by the top surface, the sealing ring and the groove bottom surface, the shell is provided with a sound outlet, the sealing ring is provided with a first notch positioned between the sound outlet and the sound cavity, a propagation channel is formed by the space surrounded by the first notch, the top surface and the groove bottom surface, and the propagation channel is communicated with the sound cavity and the sound outlet.
Further, the fixing groove further includes an inner wall surface, the speaker further includes a side wall surface facing the inner wall surface, the speaker assembly further includes a gasket fixed between the side wall surface and the inner wall surface, and the gasket is used to seal the propagation channel.
Further, the sealing ring includes opposite first and second ends at the first notch, the gasket is connected between the first and second ends, and the sealing ring is connected with the gasket to form a closed frame.
Further, sealed the pad including facing the first face of tank bottom surface, first face with the distance of tank bottom surface is not less than the top surface with the distance of tank bottom surface.
Further, the speaker subassembly is still including fixed frame, fixed frame is located the sealing washer reaches sealed pad with between the casing, fixed frame is fixed and compresses tightly the sealing washer reaches the sealing washer in on the speaker.
Further, the fixed frame is provided with a second notch, and the second notch corresponds to the first notch so as to avoid the fixed frame blocking the propagation channel.
Further, the seal ring and the seal gasket are integrally formed.
Furthermore, the shell comprises an opening and a cover plate, the opening penetrates through the shell, and one end of the opening is covered by the cover plate to form the fixing groove.
Furthermore, the loudspeaker assembly further comprises a loudspeaker support, the loudspeaker support is located on one side, away from the shell, of the loudspeaker, and the loudspeaker is fixedly installed on the loudspeaker support and the shell, which are fixed with each other.
The invention also provides a mobile terminal comprising the loudspeaker assembly.
The invention has the following beneficial effects: the sealing washer is located between casing and the speaker, in order to play the effect in sealed sound chamber, first breach, the space that top surface and tank bottom face enclose forms propagation channel intercommunication sound chamber and sound outlet, thereby the sound that makes the speaker send is propagated away from sound outlet after passing through the propagation channel, first breach has avoided the sealing washer to block the intercommunication of sound chamber and sound outlet, propagation channel's size has been increased, the sound that is favorable to the speaker to send passes through sound outlet and outwards propagates, thereby speaker component's sound transmission efficiency has been improved, the volume of mobile terminal vocal is improved, the sound authenticity has been improved, satisfy the operation requirement of mobile terminal to the speaker, user experience has been improved.
Drawings
In order to more clearly illustrate the embodiments or prior art solutions of the present invention, the drawings used in the embodiments or prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other obvious modifications can be obtained by those skilled in the art without inventive efforts.
Fig. 1 is an exploded schematic view of a speaker module according to an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of a speaker module according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of a housing according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a speaker according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a seal ring and a seal gasket according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of the fixing frame according to the embodiment of the present invention.
Fig. 7 is a partially exploded view of a speaker module according to an embodiment of the invention.
Fig. 8 is a schematic diagram of a mobile terminal according to an embodiment of the present invention.
Detailed Description
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.
In a preferred embodiment, the speaker module provided in the embodiment of the present invention is applied to a mobile terminal, and the mobile terminal can be a mobile phone, a tablet computer, a notebook computer, a camera, and other terminal products, but is not limited thereto.
Referring to fig. 1 and fig. 2, the speaker module includes a housing 10, a speaker 20, and a sealing ring 302, wherein the sealing ring 302 is located between the housing 10 and the speaker 20. Specifically, referring to fig. 3, the housing 10 is provided with a fixing groove 100, and the speaker 20 is fixed in the fixing groove 100, and in a preferred embodiment, the speaker 20 is fixed in the fixing groove 100 by a fastening member. Further, the fixing groove 100 includes a groove bottom surface 102, i.e., a surface of the fixing groove 100 having a largest distance from the groove opening, in combination with fig. 4, the speaker 20 includes a top surface 202 facing the groove bottom surface 102, in combination with fig. 5, a sealing ring 302 is fixed between the top surface 202 and the groove bottom surface 102, the sealing ring 302 is made of a material having a certain elasticity, such as foam, the top surface 202 is pressed against the groove bottom surface 102 by the sealing ring 302, and the top surface 202 is in close contact with the sealing ring 302 and the sealing ring 302 is in close contact with the groove bottom surface 102, so that the sealing ring 302 fills a gap between the top surface 202 and the groove bottom surface 102. In this embodiment, the space enclosed by the top surface 202, the sealing ring 302 and the groove bottom surface 102 forms the sound cavity 900. The side of the speaker 20 facing the slot bottom surface 102 further comprises a sound emitting surface 206 for emitting sound for vibration, the top surface 202 is located at the edge of the sound emitting surface 206, and the sound emitting surface 206 is recessed relative to the top surface 202 towards the inside of the speaker 20 (i.e. away from the side of the slot bottom surface 102) to form the structure of the speaker 20, and the sound cavity 900 is the gap between the sound emitting surface 206, the top surface 202 and the bottom slot surface.
The housing 10 is provided with a sound outlet 12, and the sound outlet 12 is used for transmitting sound in the sound cavity 900 located inside the mobile terminal to the outside of the mobile terminal. Referring to fig. 5, the sealing ring 302 has a first notch 300 located between the sound outlet 12 and the sound cavity 900, a space enclosed by the first notch 300, the top surface 202 and the groove bottom surface 102 forms a propagation channel 800, and the propagation channel 800 communicates the sound cavity 900 and the sound outlet 12. Specifically, the first notch 300 breaks the seal ring 302 in a closed shape and forms a propagation channel 800 to communicate the sound cavity 900 with the sound outlet 12, and the first notch 300 increases the dimension a of the propagation channel 800. In this embodiment, the sealing ring 302 is a rectangular ring structure, the sealing ring 302 covers the edge of the top surface 202 of the speaker 20, the first notch 300 is located at the edge of the top surface 202 corresponding to the sound outlet 12, and the first notch 300 connects the sound cavity 900 and the sound outlet 12.
The sealing ring 302 is located between the casing 10 and the speaker 20, so as to play a role of sealing the sound cavity 900, the first notch 300, the space enclosed by the top surface 202 and the groove bottom surface 102 forms a propagation channel 800 to communicate the sound cavity 900 with the sound outlet 12, so that the sound emitted by the speaker 20 is propagated from the sound outlet 12 through the propagation channel 800, the first notch 300 avoids the sealing ring 302 from blocking the communication between the sound cavity 900 and the sound outlet 12, the size of the propagation channel 800 is increased, the sound emitted by the speaker 20 is favorably propagated outwards through the sound outlet 12, the sound transmission efficiency of the speaker 20 assembly is improved, the sound volume of the sound emitted by the mobile terminal is improved, the sound authenticity is improved, the use requirement of the mobile terminal on the speaker 20 is met, and the user experience is improved.
In this embodiment, the fixing groove 100 further includes an inner wall surface 104, the speaker 20 further includes a side wall surface 204 facing the inner wall surface 104, the speaker 20 assembly further includes a gasket 304, the gasket 304 is fixed between the side wall surface 204 and the inner wall surface 104, and the gasket 304 is used for sealing the propagation channel 800. Specifically, the gasket 304 is made of a material having a certain elasticity, such as foam, the side wall surface 204 is pressed against the inner wall surface 104 by the gasket 304, and the side wall surface 204 is in close contact with the gasket 304 and the gasket 304 is in close contact with the inner wall surface 104, so that the gasket 304 fills a gap between the side wall surface 204 and the inner wall surface 104, thereby sealing the propagation channel 800.
Further, the sealing ring 302 includes a first end 32 and a second end 34 opposite to each other at the first gap 300, a gasket 304 is connected between the first end 32 and the second end 34, and the sealing ring 302 and the gasket 304 are connected to form a closed frame. The sealing ring 302 and the sealing gasket 304 form a closed shape, so that the sealing performance of the sound cavity 900 and the transmission channel 800 can be improved, and the sealing performance of the sound cavity 900 or the transmission channel 800 is prevented from being influenced by a connecting fit gap between the sealing ring 302 and the sealing gasket 304.
In a preferred embodiment, the sealing ring 302 and the sealing pad 304 are integrally formed, for example, formed by one-step machining using a foam material, so as to enhance the connection stability between the sealing ring 302 and the sealing pad 304, improve the stability of the connection between the sealing ring 302 and the sealing pad 304, and prevent the occurrence of a gap at the connection between the sealing ring 302 and the sealing pad 304 when they are connected by other methods, which may affect the sealing performance of the sound cavity 900 or the propagation channel 800.
With particular reference to fig. 2 and 5, in this embodiment the gasket 304 includes a first side 306 facing the groove bottom side 102, the first side 306 being no closer to the groove bottom side 102 than the top side 202 is to the groove bottom side 102. In a preferred embodiment, the first side 306 is flush with the top surface 202, although in other embodiments, the first side 306 may be spaced further from the slot bottom 102 than the top surface 202 is spaced from the slot bottom 102. The distance between the first surface 306 and the groove bottom surface 102 is not less than the distance between the top surface 202 and the groove bottom surface 102 so as to prevent the gasket 304 from protruding from the top surface 202 to block the propagation channel 800 and affect the communication between the sound cavity 900 and the sound outlet 12.
In this embodiment, the speaker 20 assembly further includes a fixing frame 40, the fixing frame 40 is located between the sealing ring 302 and the sealing pad 304 and the housing 10, and the fixing frame 40 fixes and presses the sealing ring 302 and the sealing pad 304 on the speaker 20. Referring to fig. 6 and 7, the fixing frame 40 includes a main frame 402 and a side frame 404, and the side frame 404 is connected to an edge of the main frame 402 and bent with respect to the main frame 402. The main frame 402 covers the gasket 302, and presses and fixes the gasket 302 to the top surface 202 of the speaker 20; the side frame body 404 covers the gasket 304, and presses and fixes the gasket 304 to the side wall surface 204 of the speaker 20, but in one embodiment, the side frame body 404 also covers the side wall surface 204 of the speaker 20 not covered with the gasket 304, and fixes the fixing frame 40 and the speaker 20 by the side wall surface 204. The fixing frame 40 forms an integral structure with the loudspeaker 20, the sealing ring 302 and the sealing gasket 304, so that the assembly and disassembly of the loudspeaker 20 are facilitated, and the assembly and maintenance of the loudspeaker 20 are facilitated.
In this embodiment, specifically referring to fig. 2 and 6, the fixing frame 40 is provided with a second notch 400, and the second notch 400 corresponds to the first notch 300, so as to prevent the fixing frame 40 from blocking the propagation channel 800. Specifically, the orthographic projection of the second notch 400 on the top surface 202 overlaps the orthographic projection of the first notch 300 on the top surface 202, and in a preferred embodiment, the orthographic projection of the second notch 400 on the top surface 202 coincides with the orthographic projection of the first notch 300 on the top surface 202. The second notch 400 is located at the edge of the top surface 202 corresponding to the sound outlet 12, and the second notch 400 connects the sound cavity 900 with the sound outlet 12, thereby preventing the edge of the fixing frame 40 from blocking the propagation channel 800. Further, the fixing frame 40 includes a second face 406 facing the slot bottom face 102 at the second notch 400, the second face 406 being located at a distance from the slot bottom face 102 that is not less than the distance from the top face 202 to the slot bottom face 102. In a preferred embodiment, the second side 406 is flush with the top side 202, although in other embodiments, the second side 406 may be spaced further from the slot bottom side 102 than the top side 202 is spaced from the slot bottom side 102. The distance between the second surface 406 and the slot bottom surface 102 is not less than the distance between the top surface 202 and the slot bottom surface 102 so as to prevent the fixing frame 40 from protruding from the top surface 202 to block the propagation channel 800 and affect the communication between the sound cavity 900 and the sound outlet 12.
The sealing ring 302 is located between the casing 10 and the speaker 20, so as to play a role in sealing the sound cavity 900, the first notch 300, the space enclosed by the top surface 202 and the groove bottom surface 102 forms a propagation channel 800 communicating the sound cavity 900 and the sound outlet 12, so that the sound emitted by the speaker 20 is propagated out from the sound outlet 12 after passing through the propagation channel 800, the first notch 300 avoids the sealing ring 302 from blocking the communication between the sound cavity 900 and the sound outlet 12, the size of the propagation channel 800 is increased, the sound emitted by the speaker 20 is favorably propagated outwards through the sound outlet 12, the sound transmission efficiency of the speaker 20 assembly is improved, the sound volume of the mobile terminal is improved, the sound authenticity is improved, the use requirement of the mobile terminal on the speaker 20 is met, and the user experience is improved.
In this embodiment, the housing 10 includes an opening 16 and a cover plate 18, the opening 16 penetrates through the housing 10, and the cover plate 18 covers one end of the opening 16 to form the fixing groove 100. Specifically, the inner wall of the opening 16 is an inner wall surface 104 of the fixing groove 100, and the surface of the cover plate 18 facing the opening 16 is a groove bottom surface 102 of the fixing groove 100. Speaker 20 is mounted within opening 16 and the gap between cover 18 and speaker 20 forms an acoustic cavity 900. The cover plate 18 is detachably mounted on the housing 10, so that the speaker module can be conveniently detected, disassembled and maintained.
In this embodiment, the speaker 20 assembly further includes a speaker bracket, the speaker bracket is located on a side of the speaker 20 away from the housing 10, and the speaker 20 is fixedly mounted on the speaker bracket and the housing 10 fixed to each other. Furthermore, the loudspeaker support is also used for mounting electronic devices such as a vibration motor and the like.
The embodiment of the invention also provides a mobile terminal which comprises the loudspeaker module. Mobile terminal as shown in fig. 8, the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a camera, and other terminal products. Further, mobile terminal still includes mainboard and flexible circuit board, and the mainboard passes through flexible circuit board electricity and connects the speaker module and control the speaker module and make a sound.
The sealing ring 302 is located between the casing 10 and the speaker 20, so as to play a role in sealing the sound cavity 900, the first notch 300, the space enclosed by the top surface 202 and the groove bottom surface 102 forms a propagation channel 800 communicating the sound cavity 900 and the sound outlet 12, so that the sound emitted by the speaker 20 is propagated out from the sound outlet 12 after passing through the propagation channel 800, the first notch 300 avoids the sealing ring 302 from blocking the communication between the sound cavity 900 and the sound outlet 12, the size of the propagation channel 800 is increased, the sound emitted by the speaker 20 is favorably propagated outwards through the sound outlet 12, the sound transmission efficiency of the speaker 20 assembly is improved, the sound volume of the mobile terminal is improved, the sound authenticity is improved, the use requirement of the mobile terminal on the speaker 20 is met, and the user experience is improved.
While the invention has been described with reference to a number of illustrative embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A loudspeaker assembly is characterized by comprising a shell, a loudspeaker, a sealing ring and a sealing gasket, wherein the shell is provided with a fixing groove, the loudspeaker is fixed in the fixing groove, the fixing groove comprises a groove bottom surface and an inner wall surface, the loudspeaker comprises a top surface facing the groove bottom surface and a side wall surface facing the inner wall surface, the sealing ring is fixed between the top surface and the groove bottom surface, a sound cavity is formed in a space enclosed by the top surface, the sealing ring and the groove bottom surface, the shell is provided with a sound outlet, the sealing ring has elasticity, the sealing ring is tightly pressed between the top surface and the groove bottom surface, the sealing ring is in close contact with the top surface and the groove bottom surface, the sealing ring is provided with a through hole penetrating through the two opposite surfaces, the sealing ring is provided with a first notch positioned between the sound outlet and the sound cavity, the first notch is communicated with the through hole, the space enclosed by the first notch, the top surface and the groove bottom surface forms a propagation channel, and the propagation channel is communicated with the sound outlet; the sealing gasket is fixed in the side wall face with just fill between the internal face the side wall face with clearance between the internal face is in order to seal propagation channel, just sealing gasket avoids the top surface, sealing gasket is including facing the first face of tank bottom surface, first face with the distance of tank bottom surface is not less than the top surface with the distance of tank bottom surface.
2. The speaker assembly as recited in claim 1, wherein the gasket includes opposite first and second ends at the first notch, the gasket is connected between the first and second ends, and the gasket are connected to form a closed frame.
3. The speaker assembly of claim 1, further comprising a retaining frame positioned between the sealing ring and the gasket and the housing, the retaining frame retaining and compressing the sealing ring and the gasket against the speaker.
4. The speaker assembly as recited in claim 3, characterised in that said frame is provided with a second notch corresponding to said first notch to avoid said frame blocking said propagation channel.
5. The speaker assembly as recited in claim 1, wherein the gasket is integrally formed with the gasket.
6. The speaker assembly as claimed in any one of claims 1 to 5, wherein the housing includes an opening extending through the housing and a cover plate covering an end of the opening to form the fixing groove.
7. The speaker assembly of any one of claims 1-5, further comprising a speaker bracket located on a side of the speaker opposite the housing, the speaker being fixedly mounted to the speaker bracket and the housing which are fixed to each other.
8. A mobile terminal, characterized in that it comprises a speaker assembly according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349598.9A CN107172545B (en) | 2017-05-17 | 2017-05-17 | Loudspeaker assembly and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710349598.9A CN107172545B (en) | 2017-05-17 | 2017-05-17 | Loudspeaker assembly and mobile terminal |
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| Publication Number | Publication Date |
|---|---|
| CN107172545A CN107172545A (en) | 2017-09-15 |
| CN107172545B true CN107172545B (en) | 2023-04-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710349598.9A Active CN107172545B (en) | 2017-05-17 | 2017-05-17 | Loudspeaker assembly and mobile terminal |
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| CN (1) | CN107172545B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111541834B (en) * | 2020-04-30 | 2022-04-26 | 深圳市凯木金科技有限公司 | Outdoor camera, alarm method thereof and computer readable storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204598310U (en) * | 2015-05-06 | 2015-08-26 | 歌尔声学股份有限公司 | Loud speaker module |
| CN205584480U (en) * | 2016-04-08 | 2016-09-14 | 惠州Tcl移动通信有限公司 | Electronic equipment and speaker subassembly thereof |
| CN205726399U (en) * | 2016-06-01 | 2016-11-23 | 歌尔股份有限公司 | Speaker module |
| CN206061094U (en) * | 2016-07-20 | 2017-03-29 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN206923028U (en) * | 2017-05-17 | 2018-01-23 | 广东欧珀移动通信有限公司 | Loudspeaker assembly and mobile terminal |
-
2017
- 2017-05-17 CN CN201710349598.9A patent/CN107172545B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204598310U (en) * | 2015-05-06 | 2015-08-26 | 歌尔声学股份有限公司 | Loud speaker module |
| CN205584480U (en) * | 2016-04-08 | 2016-09-14 | 惠州Tcl移动通信有限公司 | Electronic equipment and speaker subassembly thereof |
| CN205726399U (en) * | 2016-06-01 | 2016-11-23 | 歌尔股份有限公司 | Speaker module |
| CN206061094U (en) * | 2016-07-20 | 2017-03-29 | 瑞声科技(新加坡)有限公司 | Loudspeaker enclosure |
| CN206923028U (en) * | 2017-05-17 | 2018-01-23 | 广东欧珀移动通信有限公司 | Loudspeaker assembly and mobile terminal |
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| CN107172545A (en) | 2017-09-15 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Applicant before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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