CN107529116A - Minitype acoustic generator and electronic equipment - Google Patents
Minitype acoustic generator and electronic equipment Download PDFInfo
- Publication number
- CN107529116A CN107529116A CN201710650795.4A CN201710650795A CN107529116A CN 107529116 A CN107529116 A CN 107529116A CN 201710650795 A CN201710650795 A CN 201710650795A CN 107529116 A CN107529116 A CN 107529116A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- sound film
- acoustic generator
- coil loudspeaker
- loudspeaker voice
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/045—Mounting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/006—Interconnection of transducer parts
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
-
- 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
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
Abstract
The present invention relates to speaker technology field, more particularly to a kind of minitype acoustic generator, a kind of electronic equipment is further related to.The minitype acoustic generator provided includes frame and is fixed in the vibrational system and magnetic circuit system of the frame, the vibrational system includes sound film and is fixed on below the sound film and drives the voice coil loudspeaker voice coil of the sound film vibration sounding, and the voice coil loudspeaker voice coil is combined with the sound film by being molded.The voice coil loudspeaker voice coil of minitype acoustic generator provided by the invention is not easily disconnected from sound film, and fabrication processing is simpler.
Description
Technical field
The present invention relates to speaker technology field, more particularly to a kind of minitype acoustic generator, a kind of electronic equipment is further related to.
Background technology
With the development of science and technology, the life of people is maked rapid progress.Especially each electronic product has been increasingly becoming people
An indispensable part in work and life.And most electronic equipment, such as mobile phone, tablet personal computer and notebook computer
Deng being generally equipped with the loudspeaker for converting electrical signals to sound, loudspeaker is that a kind of voice coil loudspeaker voice coil by doing alternate motion drives
Sound film vibrates, and sound film can promote air movement repeatedly, and produce the device of sound wave.Such as minitype acoustic generator, it is exactly a kind of small-sized
Loudspeaker.
At present, the mode of people's generally use glue bonding connects together voice coil loudspeaker voice coil with sound film, when enabling voice coil vibrations
Sound film is driven to vibrate together.Because when minitype acoustic generator works, sound film can vibrate with voice coil loudspeaker voice coil, and be worked with minitype acoustic generator
The growth of duration, easily there is the situation that voice coil loudspeaker voice coil departs from sound film, make minitype acoustic generator failure and can not work.Simultaneously as
Voice coil loudspeaker voice coil after the completion of being fabricated separately, also needs to bond by glue, this makes the whole process flow of making minitype acoustic generator with sound film
It is complex.
The content of the invention
It is an object of the invention to provide a kind of voice coil loudspeaker voice coil and sound film to be not easily disconnected from, and the better simply miniature hair of fabrication processing
Sound device.
The first aspect of the present invention provides a kind of minitype acoustic generator, including frame and the vibration system for being fixed in the frame
System and magnetic circuit system, the vibrational system include sound film and are fixed on below the sound film and drive the sound film vibration sounding
Voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil are combined with the sound film by being molded.
Preferably, the injected plastics material of the sound film is silica gel or TPUE rubber.
Preferably, the sound film is provided with the stopper protrusion extended to the magnetic circuit system direction, and the stopper protrusion includes
The first convex portion on the inside of the voice coil loudspeaker voice coil and the second convex portion on the outside of the voice coil loudspeaker voice coil, the voice coil loudspeaker voice coil are located in described first
Between convex portion and second convex portion.
Preferably, the vibrational system also includes below the voice coil loudspeaker voice coil and supports the elastic supporting member for supporting optical member of the voice coil loudspeaker voice coil,
The elastic supporting member for supporting optical member includes flexible PCB and vibrating diaphragm, and the flexible PCB is arranged on the vibrating diaphragm, the flexible electrical
Road plate electrically connects with the voice coil loudspeaker voice coil, and the flexible PCB is between the vibrating diaphragm and the voice coil loudspeaker voice coil.
Preferably, the magnetic circuit system includes magnet steel and places the lower plate of the magnet steel, and the lower plate is located at described
The lower end of frame, the flexible PCB have two conductive parts, and the lower plate be provided with it is relative with the conductive part
Relief portion.
Preferably, the vibrating diaphragm includes concaving towards the depressed part in the lower plate direction, the lower plate have with it is described recessed
Resigning portion corresponding to the portion of falling into.
Preferably, the magnet steel includes being located at the main magnet in the lower plate centre position and is located at the main magnet respectively
Two long sides secondary magnet, two are provided with the frame to close to the stopper sections of lower plate side extension, two
The individual stopper section is arranged at intervals, and forms accepting groove, and the secondary magnet has lug boss, and the lug boss is arranged in the receipts
In tank.
Based on the minitype acoustic generator of above-mentioned offer, second aspect of the present invention also provides a kind of electronic equipment, including such as takes up an official post
Minitype acoustic generator described in meaning one.
Technical scheme provided by the invention can reach following beneficial effect：
In minitype acoustic generator provided by the present invention, voice coil loudspeaker voice coil is integrally formed with sound film by way of injection, makes the two
With reference to more firmly, thus the probability that voice coil loudspeaker voice coil and sound film depart from can be reduced；Simultaneously as voice coil loudspeaker voice coil is integrally formed with sound film, make sound film
When completing, connected together with voice coil loudspeaker voice coil, save follow-up connection voice coil loudspeaker voice coil and this process of sound film, this can make system
The technological process for making minitype acoustic generator is simpler.
It should be appreciated that the general description and following detailed description of the above are only exemplary, this can not be limited
Invention.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of minitype acoustic generator provided by the invention；
Fig. 2 is the sectional view of minitype acoustic generator provided by the invention；
Fig. 3 is the perspective exploded view of minitype acoustic generator provided by the invention；
Fig. 4 is the sound film of minitype acoustic generator provided by the invention and the structural representation of voice coil loudspeaker voice coil；
Fig. 5 is sectional views of the Fig. 4 along A-A directions；
Fig. 6 is the structural representation of the elastic supporting member for supporting optical member of minitype acoustic generator provided by the invention；
Fig. 7 is the assembling schematic diagram of the part-structure of minitype acoustic generator provided by the invention.
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the present invention
Example, and for explaining principle of the invention together with specification.
Embodiment
The present invention is described in further detail below by specific embodiment and with reference to accompanying drawing.
It is a kind of minitype acoustic generator provided by the invention as shown in Fig. 1-Fig. 7, including frame 5 and is fixed in the frame 5
Vibrational system and magnetic circuit system, wherein, vibrational system includes sound film 1 and is fixed on the lower section of sound film 1 and drives the vibration hair of sound film 1
The voice coil loudspeaker voice coil 2 of sound, voice coil loudspeaker voice coil 2 are combined with sound film 1 by being molded.
Specifically, frame 5 can be the cyclic structure made of plastic or other material, with receiving space；In vibrational system,
Sound film 1 can be film like structures made of metal material, high polymer material etc., and sound film 1 is also provided with reinforcement etc.
Structure, to strengthen the structural strength of sound film 1, voice coil loudspeaker voice coil 2 can be the cyclic structure that filamentous conductive material coiling forms, voice coil loudspeaker voice coil
2 shape can be rectangle, and accordingly, the shape of sound film 1 and magnetic circuit system can also be rectangle, or sound film 1 and magnetic circuit system
The general shape of system can be rectangle.Sound film 1 and voice coil loudspeaker voice coil 2 can be integrally machined to be formed by way of being molded and combining.When sound film 1
When machining, voice coil loudspeaker voice coil 2 connects together with sound film 1.Preferably, minitype acoustic generator can also be connected to the basin including lid
Upper lid 9 on frame 5.
Above-mentioned to understand, because sound film 1 and voice coil loudspeaker voice coil 2 are integrally formed by way of being molded and combining, this can make voice coil loudspeaker voice coil 2 and sound
Film 1 connects more firm, so as to reduce the probability that sound film 1 departs from voice coil loudspeaker voice coil 2；And in the manufacturing process of sound film 1, can be by sound
Circle 2 is attached directly together with sound film 1, and this is eliminated in the manufacturing process of current minitype acoustic generator, it is necessary to independent connection sound film 1
With this course of work of voice coil loudspeaker voice coil 2, and then make the technological process of minitype acoustic generator simpler.In addition, sound film 1 passes through note with voice coil loudspeaker voice coil 2
Modeling combines, be bonded with voice coil loudspeaker voice coil 2 compared to sound film 1, moreover it is possible to improves the concentricity of sound film 1 and voice coil loudspeaker voice coil 2, makes voice coil loudspeaker voice coil 2 drive sound film 1 to shake
When dynamic, the vibration of sound film 1 evenly, and then can lift tonequality.
More specifically, sound film 1 can pass through the side of injection by silica gel material or TPUE elastomeric material
Formula is made, and voice coil loudspeaker voice coil 2 can be formed using thin metal copper wire enamel-covered wire through multiple coiling.
Preferably, it is also provided with the stopper protrusion to direction extension where magnetic circuit system on sound film 1, stopper protrusion can be with
Including first can be located in positioned at the first convex portion 10 of the inner side of voice coil loudspeaker voice coil 2 and positioned at second convex portion 11 in the outside of voice coil loudspeaker voice coil 2, voice coil loudspeaker voice coil 2
Between the convex portion 11 of convex portion 10 and second.
Specifically, stopper protrusion can directly be processed during injection molding sound film 1, make stopper protrusion and voice coil loudspeaker voice coil
2 voice coil loudspeaker voice coil 2 axis direction upper limit coordinate.Wherein, stopper protrusion can be provided with inside and outside voice coil loudspeaker voice coil 2, this can be with
The relative displacement for making voice coil loudspeaker voice coil 2 not appeared in sound film 1 on the axis direction of voice coil loudspeaker voice coil 2, and then sound film 1 and sound can be made
The annexation of circle 2 is more stable.Stopper protrusion can be included positioned at the first convex portion 10 of the inner side of voice coil loudspeaker voice coil 2 and positioned at the outside of voice coil loudspeaker voice coil 2
The second convex portion 11.Wherein, the first convex portion 10 can be continuous structure, i.e. the first convex portion 10 is strip loop configuration, certainly,
Multiple first convex portions 10 can also be intervally distributed with sound film 1；Likewise, the second convex portion 11 can be continuous strip ring junction
Structure, or the general name of multiple short strip shape structures being distributed on sound film 1.So design, voice coil loudspeaker voice coil 2 and sound film can be made
The 1 spacing cooperation on the axis direction perpendicular to voice coil loudspeaker voice coil 2 is more firm.
Preferably, vibrational system can also include positioned at the lower section of voice coil loudspeaker voice coil 2 and support the elastic supporting member for supporting optical member of voice coil loudspeaker voice coil 2, elasticity branch
Support member includes flexible PCB 3 and vibrating diaphragm 4, and flexible PCB 3 is arranged on vibrating diaphragm 4, and flexible PCB 3 electrically connects with voice coil loudspeaker voice coil 2,
And flexible PCB 3 is between vibrating diaphragm 4 and voice coil loudspeaker voice coil 2.
Specifically, elastic supporting member for supporting optical member can be fabricated from a flexible material, elastic supporting member for supporting optical member can support voice coil loudspeaker voice coil 2, to mitigate sound
Amplitude of fluctuation of the circle 2 in vibration.Preferably, elastic supporting member for supporting optical member can include flexible PCB 3 and vibrating diaphragm 4.Flexible PCB 3
It can be made up of conductive materials such as FPC, voice coil loudspeaker voice coil 2 is directly connected by flexible PCB 3 with external circuitry, reduced
Welding envelope line and manufacturing procedure.Vibrating diaphragm 4 can be made up of thin-film material, and this can make vibrating diaphragm 4 be used to support flexible PCB
3, due to further supporting voice coil loudspeaker voice coil 2 on flexible PCB 3, so it may also be said that vibrating diaphragm 4 can support voice coil loudspeaker voice coil 2, to reduce voice coil loudspeaker voice coil 2
Rocking tendency in vibration processes, and then the tonequality of minitype acoustic generator can be lifted.
Further, magnetic circuit system can include magnet steel and place the lower plate 6 of magnet steel, and lower plate 6 can be arranged at basin
The lower end of frame 5；Flexible PCB 3 can have two conductive parts 30, and lower plate 6 can be provided with it is relative with conductive part 30
Relief portion 61.
Specifically, magnet steel can be permanent magnet, magnet steel can provide uniform magnetic field, enable voice coil loudspeaker voice coil 2 in aforementioned magnetic field
Do oscillation exchange；Lower plate 6 can be platy structure made of permeability magnetic material or metal material, and lower plate 6 can be magnet steel
Installation foundation, for placing magnet steel.Magnet steel can be single, or it is multiple, in order that active force of the voice coil loudspeaker voice coil 2 by magnetic field
Evenly, single magnet steel can be arranged at the inner side of voice coil loudspeaker voice coil 2.Flexible PCB 3 has two conductive parts 30, flexible PCB 3
It can be connected by conductive part 30 with external circuit, to realize purpose that voice coil loudspeaker voice coil 2 is connected with external circuit.It is processed in order to reduce
Workload in journey, can be during lower plate 6 be made, and directly opening position relative with conductive part on lower plate 6 is pre-
First process relief portion 61.
Vibrating diaphragm 4 can include the first fixed part 40, the first supporting part 41 and depressed part 42；First fixed part 40 can be with basin
Frame 5 is connected, and the first fixed part 40 and the first supporting part 41 can be connected by depressed part 42, and flexible PCB 3 can be supported in
On first supporting part 41, depressed part 42 can concave towards the direction of the position of lower plate 6；Lower plate 6 can have and depressed part
42 relative resigning portions 60.First supporting part 41 can support flexible PCB 3, and then can share flexible PCB 3 and be held
The partial action power received, to increase the service life of flexible PCB 3, and improve the integrally-built stability of minitype acoustic generator.
Depressed part 42 can be corresponding with the reinforcement structure on sound film 1, makes each position of sound film 1, each position corresponding with vibrating diaphragm 4 it
Between distance can with generally equalized, and then when sound film 1 vibrates, the air that sound film 1 is promoted evenly, to lift pure tone effect
Fruit.The opening position relative with depressed part 42 can process resigning portion 60 by way of cutting or punching press on lower plate 6.Step down
Portion 60 can make have certain intervals between lower plate 6 and depressed part 42, to prevent the depressed part 42 of vibrating diaphragm 4 and lower plate 6 from connecing
Touch.
Preferably, magnetic circuit system can include the main magnet 7 positioned at the centre position of lower plate 6, be attached at the main magnet 7
On pole piece 70 and respectively positioned at main magnet 7 two long sides secondary magnet 8；Two can be provided with frame 5 to close
The stopper section 50 of the side of lower plate 6 extension, two stopper sections 50 can be arranged at intervals, to form accepting groove 51；Secondary magnet 8 has
Lug boss 80, lug boss 80 can be arranged in accepting groove 51.
Specifically, can be according to the placement situation at the two poles of the earth of main magnet 7, it is determined that the installation direction of secondary magnet 8, and secondary magnet 8
Can be two, two secondary magnets 8 can be respectively arranged at the outside of 7 two long sides of main magnet, and two secondary magnets 8 with master
There is magnetic gap between magnet 7.Obvious, voice coil loudspeaker voice coil 2 can be positioned in both of the aforesaid magnetic gap.So design, sound can be made
Magnetic field suffered by circle 2 evenly, and then makes the of reciprocating vibration more stable of voice coil loudspeaker voice coil 2, can further lift tonequality.Can be in frame
In 5 manufacturing process, two are directly produced to close to the stopper section 50 of the side of lower plate 6 extension, stopper section 50 can be block
Shape structure, two stopper sections 50, which coordinate, can form accepting groove 51.The overall structure of secondary magnet 8 can be "convex" shaped, make pair
The lug boss 80 of magnet 8 is arranged in accepting groove 51, is so designed that, two stopper sections 50 is blocked the projection of secondary magnet 8
Portion 80, in the work of minitype acoustic generator, even if situations such as minitype acoustic generator vibrates, the position of secondary magnet 8 will not also be sent out
It is raw to change.
Based on the minitype acoustic generator of above-mentioned offer, the present invention also provides a kind of electricity for including minitype acoustic generator as described above
Sub- equipment, the electronic equipment can be the portable mobile termianls such as mobile phone, tablet personal computer.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (8)
1. a kind of minitype acoustic generator, including frame and the vibrational system and magnetic circuit system that are fixed in the frame, the vibration system
System includes sound film and is fixed on below the sound film and drives the voice coil loudspeaker voice coil of the sound film vibration sounding, it is characterised in that the sound
Circle is combined with the sound film by being molded.
2. minitype acoustic generator according to claim 1, it is characterised in that the injected plastics material of the sound film is silica gel or thermoplastic
Property elastic polyurethane body rubber.
3. minitype acoustic generator according to claim 1, it is characterised in that the sound film is provided with to the magnetic circuit system direction
The stopper protrusion of extension, the stopper protrusion is including the first convex portion on the inside of the voice coil loudspeaker voice coil and on the outside of the voice coil loudspeaker voice coil
Second convex portion, the voice coil loudspeaker voice coil are located between first convex portion and second convex portion.
4. minitype acoustic generator according to claim 1, it is characterised in that the vibrational system also includes being located at the voice coil loudspeaker voice coil
Lower section and the elastic supporting member for supporting optical member for supporting the voice coil loudspeaker voice coil, the elastic supporting member for supporting optical member include flexible PCB and vibrating diaphragm, the flexible electrical
Road plate is arranged on the vibrating diaphragm, and the flexible PCB electrically connects with the voice coil loudspeaker voice coil, and the flexible PCB is positioned at described
Between vibrating diaphragm and the voice coil loudspeaker voice coil.
5. minitype acoustic generator according to claim 4, it is characterised in that the magnetic circuit system is included described in magnet steel and placement
The lower plate of magnet steel, the lower plate are located at the lower end of the frame, and the flexible PCB has two conductive parts, and described
Lower plate is provided with the relief portion relative with the conductive part.
6. minitype acoustic generator according to claim 5, it is characterised in that the vibrating diaphragm includes concaving towards the lower plate direction
Depressed part, the lower plate has resigning portion corresponding with the depressed part.
7. minitype acoustic generator according to claim 6, it is characterised in that the magnet steel is included among the lower plate
The main magnet of position and respectively positioned at the main magnet two long sides secondary magnet, be provided with the frame two to by
The stopper section of the nearly lower plate side extension, two stopper sections are arranged at intervals, and form accepting groove, the secondary magnet tool
There is lug boss, the lug boss is arranged in the accepting groove.
8. a kind of electronic equipment, it is characterised in that including any described minitype acoustic generator in claim 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650795.4A CN107529116A (en) | 2017-08-02 | 2017-08-02 | Minitype acoustic generator and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650795.4A CN107529116A (en) | 2017-08-02 | 2017-08-02 | Minitype acoustic generator and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107529116A true CN107529116A (en) | 2017-12-29 |
Family
ID=60680507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710650795.4A Pending CN107529116A (en) | 2017-08-02 | 2017-08-02 | Minitype acoustic generator and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107529116A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108337609A (en) * | 2018-01-04 | 2018-07-27 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109275074A (en) * | 2018-09-30 | 2019-01-25 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109561376A (en) * | 2018-12-03 | 2019-04-02 | 精拓丽音科技（北京）有限公司 | A kind of electro-acoustic conversion device |
| CN112714387A (en) * | 2021-03-26 | 2021-04-27 | 合翔(常州)电子有限公司 | High-power thin sound production device |
| WO2022006955A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Lower diaphragm, mold, and loudspeaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001054191A (en) * | 1999-08-05 | 2001-02-23 | Matsushita Electric Ind Co Ltd | Loudspeaker |
| JP2003032790A (en) * | 2001-07-19 | 2003-01-31 | Matsushita Electric Ind Co Ltd | Speaker |
| CN105050012A (en) * | 2015-08-24 | 2015-11-11 | 张扬 | Loudspeaker and assembling method thereof |
| CN205491130U (en) * | 2016-01-28 | 2016-08-17 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
-
2017
- 2017-08-02 CN CN201710650795.4A patent/CN107529116A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001054191A (en) * | 1999-08-05 | 2001-02-23 | Matsushita Electric Ind Co Ltd | Loudspeaker |
| JP2003032790A (en) * | 2001-07-19 | 2003-01-31 | Matsushita Electric Ind Co Ltd | Speaker |
| CN105050012A (en) * | 2015-08-24 | 2015-11-11 | 张扬 | Loudspeaker and assembling method thereof |
| CN205491130U (en) * | 2016-01-28 | 2016-08-17 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108337609A (en) * | 2018-01-04 | 2018-07-27 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109275074A (en) * | 2018-09-30 | 2019-01-25 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109561376A (en) * | 2018-12-03 | 2019-04-02 | 精拓丽音科技（北京）有限公司 | A kind of electro-acoustic conversion device |
| WO2022006955A1 (en) * | 2020-07-09 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Lower diaphragm, mold, and loudspeaker |
| CN112714387A (en) * | 2021-03-26 | 2021-04-27 | 合翔(常州)电子有限公司 | High-power thin sound production device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171229 |
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| RJ01 | Rejection of invention patent application after publication |