CN105813000A - Loudspeaker assembly and terminal - Google Patents
Loudspeaker assembly and terminal Download PDFInfo
- Publication number
- CN105813000A CN105813000A CN201610301901.3A CN201610301901A CN105813000A CN 105813000 A CN105813000 A CN 105813000A CN 201610301901 A CN201610301901 A CN 201610301901A CN 105813000 A CN105813000 A CN 105813000A
- Authority
- CN
- China
- Prior art keywords
- loudspeaker
- magnetic conduction
- conduction sheet
- circuit board
- voice coil
- 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.)
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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
- 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
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a loudspeaker assembly and a terminal. The loudspeaker assembly comprises a casing, a loudspeaker, and a circuit board, wherein the loudspeaker is arranged in the casing, and comprises a loudspeaker casing, a voice coil, magnetic steel, and two magnetically conductive pieces; an opening is formed in the bottom of the loudspeaker casing; the voice coil is located in the loudspeaker casing; the magnetic steel is arranged at the bottom of the loudspeaker casing; the two magnetically conductive pieces are located at the bottom of the magnetic steel, and are connected with the voice coil; the circuit board is provided with a conductive part, and the conductive part is electrically connected with the two magnetically conductive pieces through a conductive layer. The loudspeaker assembly and the terminal provided by the embodiment of the invention have the advantages that the magnetically conductive pieces are connected with the circuit board through the conductive layer, so that the basic impedance of the loudspeaker is reduced, and a connection surface is large, which further improves the connection stability and sound effects.
Description
Technical field
The present invention relates to speaker field, particularly relate to a kind of loudspeaker assembly and terminal.
Background technology
Development along with terminal, the available function of terminal gets more and more, and terminal is as the important medium of the multimedia recreations such as video display, song audiovisual, make the performance requirement to terminal more and more higher, especially the performance of audio, and speaker is as the critical component affecting terminal audio so that the improvement of speaker is become focus.
As shown in Figure 1, Fig. 1 gives the schematic diagram having loudspeaker assembly, loudspeaker assembly includes housing 11, speaker 12, circuit board 13, wherein speaker 12 and circuit board 13 and is all located in housing 11, and speaker 12 includes loudspeaker housing 121, voice coil loudspeaker voice coil 122 and magnet steel 123；Voice coil loudspeaker voice coil 122 and magnet steel 123 are positioned at loudspeaker housing 121, and circuit board 13 is electrically connected by shell fragment 14 and speaker 12.But, due to shell fragment existence foundation impedance, thus have impact on the audio of speaker, and owing to this connected mode contact area is less, cause that circuit board is poor with the connective stability of speaker.
Summary of the invention
It is an object of the invention to provide a kind of loudspeaker assembly and terminal, to solve the existing technical problem that loudspeaker assembly connective stability is poor and audio is poor.
For solving above-mentioned technical problem, the embodiment of the present invention provides techniques below scheme:
The embodiment of the present invention provides a kind of loudspeaker assembly, comprising:
Shell；
Speaker, is arranged in described shell, comprising:
Loudspeaker housing, is provided with opening bottom it；
Voice coil loudspeaker voice coil, is positioned at described speaker cover body；
Magnet steel, is arranged on the bottom of described loudspeaker housing；And
Two magnetic conduction sheets, are positioned at the bottom of described magnet steel, and described voice coil loudspeaker voice coil is connected with said two magnetic conduction sheet respectively；And
Circuit board, has current-carrying part, and described current-carrying part is electrically connected with said two magnetic conduction sheet respectively by conductive layer.
The embodiment of the present invention also provides for a kind of terminal, and it includes loudspeaker assembly, and this loudspeaker assembly includes:
Shell；
Speaker, is arranged in described shell, comprising:
Loudspeaker housing, is provided with opening bottom it；
Voice coil loudspeaker voice coil, is positioned at described speaker cover body；
Magnet steel, is arranged on the bottom of described loudspeaker housing；And
Two magnetic conduction sheets, are positioned at the bottom of described magnet steel, and described voice coil loudspeaker voice coil is connected with said two magnetic conduction sheet respectively；And
Circuit board, has current-carrying part, and described current-carrying part is electrically connected with said two magnetic conduction sheet respectively by conductive layer.
Compared to prior art, the loudspeaker assembly of the present embodiment, magnetic conduction sheet is split as two, housing bottom at speaker arranges opening, make the partial denudation of two magnetic conduction sheets outside loudspeaker housing, first magnetic conduction sheet is connected with voice coil loudspeaker voice coil, afterwards magnetic conduction sheet is connected with circuit board by conductive layer.Owing to conductive layer will not increase the basal impedance of speaker, and joint face is relatively larger, thus improve connective stability and audio.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, technical scheme and other beneficial effect will be made apparent.
Fig. 1 is the structural representation of the loudspeaker assembly of prior art；
The structural representation of the loudspeaker assembly that Fig. 2 provides for first embodiment of the invention.
The structural representation of the loudspeaker assembly that Fig. 3 provides for second embodiment of the invention；
Wherein, description of reference numerals is as follows:
21, shell；
22, speaker；
23, the circuit board in is implemented；
221, loudspeaker housing；
222, voice coil loudspeaker voice coil；
223, magnet steel；
24,25 magnetic conduction sheet；
26, conductive layer；
28, the circuit board in two is implemented；
29, lower surface；
101, via.
Detailed description of the invention
For making the technical problem to be solved, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the present invention, is not intended to limit the present invention.
Refer to the structural representation of the loudspeaker assembly that Fig. 2, Fig. 2 provide for first embodiment of the invention.
The loudspeaker assembly of the present embodiment includes shell 21, speaker 22 and circuit board 23, and wherein this shell 21 is hollow cavity, and speaker 22 is positioned at described shell 21, and circuit board 23 also is located in shell 21；This speaker 22 includes loudspeaker housing 221, voice coil loudspeaker voice coil 222, magnet steel 223 and two magnetic conduction sheets 24,25；The bottom of loudspeaker housing 21 is provided with opening, and this opening is exposed outside for first (namely the part that in Fig. 2, each magnetic conduction sheet is horizontally extending) making magnetic conduction sheet, and voice coil loudspeaker voice coil 222 is positioned at described loudspeaker housing 221；Magnet steel 223 is arranged on bottom or the lower section of described loudspeaker housing 221；Two magnetic conduction sheets 24,25 are positioned at bottom or the lower section of described magnet steel 223, and described voice coil loudspeaker voice coil 222 is connected with said two magnetic conduction sheet 24,25 respectively, to form two poles；And circuit board 23 has current-carrying part (such as dew copper part, not shown), described current-carrying part is electrically connected with said two magnetic conduction sheet 25,26 respectively by conductive layer 26.
Owing to existing shell fragment connected mode processing procedure is comparatively laborious, and also need on shell fragment gold-plated, it is easy to increase production cost, and the conductive layer connected mode processing technology of the present invention is easy, therefore can also reduce production cost.
Preferably, each magnetic conduction sheet includes first (horizontally extending part) and second (part vertically extended), certain angle is there is between first and second, this angle is preferably less than equal to 90 degree, in Fig. 2, the angle only provided between first and second becomes the situation of 90 degree, it is understandable that the angle between first and second can also be other values, such as first and second junction camber.
In order to reduce production cost, simplify being electrically connected along horizontal-extending part of operation, the magnetic conduction sheet in left side and the magnetic conduction sheet on right side by conductive layer 26 and circuit board 23.
Described conductive layer 26 can be conductive fabric or conducting resinl or conductive film etc..
Can mutually insulated between said two magnetic conduction sheet 24,25, such as by plastic parts or air insulation between magnetic conduction sheet 24 and magnetic conduction sheet 25, preferably the bottom surface of two magnetic conduction sheets is generally aligned in the same plane, namely the height of the part of two magnetic conduction sheet horizontal direction extensions is identical, the height of the part that certain vertical direction extends can also be identical, such that it is able to reduce the thickness of loudspeaker sound cavity structure.
The material of described magnetic conduction sheet 24 or 25 can be silicon steel, owing to silicon steel has good magnetic property, thus promoting the audio of speaker.
The material of described magnet steel 223 can be neodymium iron boron, owing to its magnetic property is stronger than the magnetic property of other materials, such that it is able to promote the audio of speaker.
The loudspeaker assembly of the present embodiment, magnetic conduction sheet is split as two, and the housing bottom at speaker arranges opening, makes the partial denudation of two magnetic conduction sheets outside loudspeaker housing, first magnetic conduction sheet is connected with voice coil loudspeaker voice coil, afterwards magnetic conduction sheet is connected with circuit board by conductive layer.Owing to conductive layer will not increase the basal impedance of speaker, and joint face is relatively larger, thus improve connective stability and audio.
Refer to the structural representation of the loudspeaker assembly that Fig. 3, Fig. 3 provide for second embodiment of the invention.
The loudspeaker assembly of the present embodiment includes shell 21, speaker 22 and circuit board 28, and wherein this shell 21 is hollow cavity, and speaker 22 is positioned at described shell 21, and circuit board 28 also is located in shell 21；This speaker 22 includes loudspeaker housing 221, voice coil loudspeaker voice coil 222, magnet steel 223 and two magnetic conduction sheets 24,25；The bottom of loudspeaker housing 21 is provided with opening, and this opening is exposed outside for second (namely the part that in Fig. 3, magnetic conduction sheet vertically extends) making magnetic conduction sheet, and voice coil loudspeaker voice coil 222 is positioned at described loudspeaker housing 221；Magnet steel 223 is arranged on bottom or the lower section of described loudspeaker housing 221；Two magnetic conduction sheets 24,25 are positioned at bottom or the lower section of described magnet steel 223, and described voice coil loudspeaker voice coil 222 is connected with said two magnetic conduction sheet 24,25 respectively；And circuit board 28 has current-carrying part (such as dew copper part, not shown).
Each magnetic conduction sheet includes first (horizontally extending part) and second (part vertically extended), certain angle is there is between first and second, this angle is preferably less than equal to 90 degree, in Fig. 3, the angle only provided between first and second becomes the situation of 90 degree, it is to be appreciated that the angle between first and second can also be other values.
The part vertically extended of the magnetic conduction sheet 24 in left side and the magnetic conduction sheet 25 on right side is electrically connected with circuit board by conductive layer 26, namely the sidewall of the magnetic conduction sheet 25 on the magnetic conduction sheet 24 in left side and right side is connected with circuit board 28.Owing to no longer arranging conductive layer at the longitudinal direction of circuit board and magnetic conduction sheet, therefore reduce the thickness of loudspeaker sound cavity structure.
Further, described circuit board 28 is provided with via 101, the bottom of described loudspeaker housing 221 has downward lobe (namely the part being made up of the sidewall of magnetic conduction sheet and the base of loudspeaker housing), described lobe is passed from described via 101, described second can be electrically connected with the current-carrying part of described via 101 inwall, namely be electrically connected between the hole wall of circuit board 28 and the sidewall of magnetic conduction sheet, or the current-carrying part of the sidewall of each magnetic conduction sheet and circuit board 28 upper surface is electrically connected.Owing to circuit board being moved up a part relative to existing position at the vertical direction of shell, such that it is able to reduce the thickness of loudspeaker sound cavity structure further.(Fig. 3 only illustrates optimum mode)
Further, described lobe has lower surface 29, and the lower surface 29 of described lobe is in same plane with the bottom surface of described circuit board 28, namely the bottom of circuit board 28 flushes with lower surface 29, further reduces the thickness of loudspeaker sound cavity structure.
Described conductive layer 26 can be conductive fabric or conducting resinl or conductive film etc..
Can mutually insulated between said two magnetic conduction sheet 24,25, such as by plastic parts or air insulation between magnetic conduction sheet 24 and magnetic conduction sheet 25, preferably the bottom surface of two magnetic conduction sheets is generally aligned in the same plane, namely the height of two magnetic conduction sheets is identical, such that it is able to reduce the thickness of loudspeaker sound cavity structure.
The material of described magnetic conduction sheet 24 or 25 can be silicon steel, owing to silicon steel has good magnetic property, thus promoting the audio of speaker.
The material of described magnet steel 223 can be neodymium iron boron, owing to its magnetic property is stronger than the magnetic property of other materials, such that it is able to promote the audio of speaker.
The loudspeaker assembly of the present embodiment, on the basis of a upper embodiment, arranges via on circuit boards, the traverse from via of the lobe of loudspeaker housing, is connected with circuit board by the sidewall of magnetic conduction sheet by conductive layer afterwards, thus reducing the thickness of speaker cavity.
Additionally, the embodiment of the present invention also provides for a kind of terminal, this terminal includes any one loudspeaker assembly above-mentioned.Preferably, this terminal can be the equipment such as mobile phone, panel computer.
In conjunction with Fig. 2 and 3, loudspeaker assembly includes shell 21, speaker 22 and circuit board 23 or 28, and wherein this shell 21 is hollow cavity, and speaker 22 is positioned at described shell 21, and circuit board 23 also is located in shell 21；This speaker 22 includes loudspeaker housing 221, voice coil loudspeaker voice coil 222, magnet steel 223 and two magnetic conduction sheets 24,25；The bottom of loudspeaker housing 21 is provided with opening, and this opening is exposed outside for first (namely the part that in Fig. 2, each magnetic conduction sheet is horizontally extending) making magnetic conduction sheet, and voice coil loudspeaker voice coil 222 is positioned at described loudspeaker housing 221；Magnet steel 223 is arranged on bottom or the lower section of described loudspeaker housing 221；Two magnetic conduction sheets 24,25 are positioned at bottom or the lower section of described magnet steel 223, and described voice coil loudspeaker voice coil 222 is connected with said two magnetic conduction sheet 24,25 respectively, to form two poles；And circuit board 23 or 28 has current-carrying part (such as dew copper part, not shown), described current-carrying part is electrically connected with said two magnetic conduction sheet 25,26 respectively by conductive layer 26.
Specifically, circuit board can be connected with the part that the horizontal direction of magnetic conduction sheet extends, preferably, as shown in Figure 2, each magnetic conduction sheet includes first (namely part that in Fig. 2, magnetic conduction sheet is horizontally extending) and second (part vertically extended), certain angle is there is between first and second, this angle is preferably less than equal to 90 degree, in Fig. 2, the angle only provided between first and second becomes the situation of 90 degree, it is to be appreciated that the angle between first and second can also be other values.
In order to reduce production cost, simplify being electrically connected with circuit board along horizontal-extending part of operation, the magnetic conduction sheet 24 in left side and the magnetic conduction sheet 25 on right side by conductive layer 26.
Specifically, circuit board can be connected with the part that the vertical direction of magnetic conduction sheet extends, as shown in Figure 3, the part vertically extended of the magnetic conduction sheet 24 in left side and the magnetic conduction sheet 25 on right side is electrically connected with circuit board by conductive layer 26, namely the sidewall of the magnetic conduction sheet 25 on the magnetic conduction sheet 24 in left side and right side is connected with circuit board 28.Owing to no longer arranging conductive layer at the longitudinal direction of circuit board and magnetic conduction sheet, therefore reduce the thickness of loudspeaker sound cavity structure.
As shown in Figure 3, further, described circuit board 28 is provided with via 101, the bottom of described loudspeaker housing 221 has downward lobe (namely the part being made up of the sidewall of magnetic conduction sheet and the base of loudspeaker housing), described lobe is passed from described via 101, described second can be electrically connected with the current-carrying part of described via 101 inwall, namely be electrically connected between the hole wall of circuit board and the sidewall of magnetic conduction sheet, or the current-carrying part of the sidewall of each magnetic conduction sheet and circuit board upper surface is electrically connected.Owing to circuit board being moved up a part relative to existing position at the vertical direction of shell, such that it is able to reduce the thickness of loudspeaker sound cavity structure further.(Fig. 3 only illustrates optimum mode)
Further, as it is shown on figure 3, described lobe has lower surface 29, the lower surface 29 of described lobe is in same plane with the bottom surface of described circuit board 28, namely the bottom of circuit board flushes with lower surface 29, further reduce the thickness of loudspeaker sound cavity structure.
Described conductive layer 26 can be conductive fabric or conducting resinl or conductive film etc..
Can mutually insulated between said two magnetic conduction sheet 24,25, such as by plastic parts or air insulation between magnetic conduction sheet 24 and magnetic conduction sheet 25, preferably the bottom surface of two magnetic conduction sheets is generally aligned in the same plane, namely the height of two magnetic conduction sheets is identical, such that it is able to reduce the thickness of loudspeaker sound cavity structure.
The material of described magnetic conduction sheet 24 or 25 can be silicon steel, owing to silicon steel has good magnetic property, thus promoting the audio of speaker.
The material of described magnet steel 223 can be neodymium iron boron, owing to its magnetic property is stronger than the magnetic property of other materials, such that it is able to promote the audio of speaker.
From the foregoing, the terminal that the present embodiment provides, magnetic conduction sheet is split as two, housing bottom at speaker arranges opening, make the partial denudation of two magnetic conduction sheets outside loudspeaker housing, first magnetic conduction sheet is connected with voice coil loudspeaker voice coil, afterwards magnetic conduction sheet is connected with circuit board by conductive layer.Owing to conductive layer will not increase the basal impedance of speaker, and joint face is relatively larger, thus improve connective stability and audio.
In addition, it should be noted that, unless otherwise indicated, otherwise the term in description " first ", " second ", " the 3rd " etc. describe and are used only for distinguishing each assembly, the element etc. in description, rather than are used for logical relation or the ordering relation etc. that represent between each assembly, element.
In sum, although the present invention is disclosed above with preferred embodiment, but above preferred embodiment also is not used to limit those of ordinary skill in the art of the present invention, without departing from the spirit and scope of the present invention, various change and retouching can all be done, therefore for those skilled in the art, thought according to the present invention, all will change in specific embodiments and applications, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a loudspeaker assembly, it is characterised in that including:
Shell；
Speaker, is arranged in described shell, comprising:
Loudspeaker housing, is provided with opening bottom it；
Voice coil loudspeaker voice coil, is positioned at described speaker cover body；
Magnet steel, is arranged on the bottom of described loudspeaker housing；And
Two magnetic conduction sheets, are positioned at the bottom of described magnet steel, and described voice coil loudspeaker voice coil is connected with said two magnetic conduction sheet respectively；And
Circuit board, has current-carrying part, and described current-carrying part is electrically connected with said two magnetic conduction sheet respectively by conductive layer.
2. loudspeaker assembly according to claim 1, it is characterised in that
Each described magnetic conduction sheet includes first and second, has certain angle between described first and described second, and first of each described magnetic conduction sheet is electrically connected with described current-carrying part.
3. loudspeaker assembly according to claim 1, it is characterised in that
Each described magnetic conduction sheet includes first and second, has certain angle between described first and described second, and second of each described magnetic conduction sheet is electrically connected with described current-carrying part.
4. loudspeaker assembly according to claim 3, it is characterised in that
Being provided with via on described circuit board, the bottom of described loudspeaker housing has downward lobe, and described lobe is passed from described via.
5. loudspeaker assembly according to claim 4, it is characterised in that
The bottom surface of the lower surface of described lobe and described circuit board is in same plane.
6. loudspeaker assembly according to claim 1, it is characterised in that
Described conductive layer is conductive fabric or conducting resinl or conductive film.
7. loudspeaker assembly according to claim 1, it is characterised in that
Mutually insulated between said two magnetic conduction sheet.
8. loudspeaker assembly according to claim 1, it is characterised in that
The material of described magnetic conduction sheet is silicon steel.
9. a terminal, it is characterised in that including: the loudspeaker assembly as described in any one of claim 1 to 8.
10. terminal according to claim 9, it is characterised in that the material of described magnet steel is neodymium iron boron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301901.3A CN105813000B (en) | 2016-05-06 | 2016-05-06 | A kind of loudspeaker assembly and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610301901.3A CN105813000B (en) | 2016-05-06 | 2016-05-06 | A kind of loudspeaker assembly and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105813000A true CN105813000A (en) | 2016-07-27 |
| CN105813000B CN105813000B (en) | 2017-10-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610301901.3A Active CN105813000B (en) | 2016-05-06 | 2016-05-06 | A kind of loudspeaker assembly and terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105813000B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293932Y (en) * | 1997-05-06 | 1998-10-07 | 常州市自泰电子有限公司 | Audible device |
| TW200743400A (en) * | 2006-05-04 | 2007-11-16 | Tai-Yan Kam | Loudspeaker structure |
| JP2011245230A (en) * | 2010-05-31 | 2011-12-08 | Onkyo Corp | Speaker for game machine and game machine using the same |
| US20130278364A1 (en) * | 2012-04-18 | 2013-10-24 | Nokia Corporation | Sound Generating Apparatus |
| CN104104754A (en) * | 2013-04-04 | 2014-10-15 | 三星电子株式会社 | Receiver and mobile terminal device having the same |
| CN205142512U (en) * | 2015-11-11 | 2016-04-06 | 深圳立讯电声科技有限公司 | Loudspeaker |
| CN205584487U (en) * | 2016-05-06 | 2016-09-14 | 广东欧珀移动通信有限公司 | Speaker subassembly and terminal |
-
2016
- 2016-05-06 CN CN201610301901.3A patent/CN105813000B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2293932Y (en) * | 1997-05-06 | 1998-10-07 | 常州市自泰电子有限公司 | Audible device |
| TW200743400A (en) * | 2006-05-04 | 2007-11-16 | Tai-Yan Kam | Loudspeaker structure |
| JP2011245230A (en) * | 2010-05-31 | 2011-12-08 | Onkyo Corp | Speaker for game machine and game machine using the same |
| US20130278364A1 (en) * | 2012-04-18 | 2013-10-24 | Nokia Corporation | Sound Generating Apparatus |
| CN104104754A (en) * | 2013-04-04 | 2014-10-15 | 三星电子株式会社 | Receiver and mobile terminal device having the same |
| CN205142512U (en) * | 2015-11-11 | 2016-04-06 | 深圳立讯电声科技有限公司 | Loudspeaker |
| CN205584487U (en) * | 2016-05-06 | 2016-09-14 | 广东欧珀移动通信有限公司 | Speaker subassembly and terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105813000B (en) | 2017-10-31 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: OPPO Guangdong Mobile Communications Co., Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: Guangdong Opel Mobile Communications Co., Ltd. |
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