CN101765044A - Minitype moving-coil electroacoustic transducer - Google Patents
Minitype moving-coil electroacoustic transducer Download PDFInfo
- Publication number
- CN101765044A CN101765044A CN200910260833A CN200910260833A CN101765044A CN 101765044 A CN101765044 A CN 101765044A CN 200910260833 A CN200910260833 A CN 200910260833A CN 200910260833 A CN200910260833 A CN 200910260833A CN 101765044 A CN101765044 A CN 101765044A
- Authority
- CN
- China
- Prior art keywords
- electroacoustic transducer
- coil
- vibrating diaphragm
- minitype moving
- minitype
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
- H04R7/125—Non-planar diaphragms or cones comprising a plurality of sections or layers comprising a plurality of superposed layers in contact
-
- 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
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/12—Non-planar diaphragms or cones
- H04R7/127—Non-planar diaphragms or cones dome-shaped
-
- 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
Abstract
The invention provides a minitype moving-coil electroacoustic transducer, which includes an accessory system, a vibrating system and a magnetic circuit system; the accessory system includes a shell; the vibrating system includes a diaphragm and a voice coil; the diaphragm includes a globe-roof part and an corrugated part supporting the diaphragm; the voice coil is also provided with a lead; moreover, the surface of the diaphragm is provided with a conductive coating which connects at least two circuits; the central area of the diaphragm is provided with a flexible circuit board; and the lead is electrically connected with the conductive coating through electrical connection. The design can improve the acoustical property simultaneously when reducing the distortion of the minitype moving-coil electroacoustic transducer, improve the electrical connection property of the minitype moving-coil electroacoustic transducer, and can also simplify the production and assembling processes of the minitype moving-coil electroacoustic transducer, realize the automatic production of products, reduce the production cost, and improve the production efficiency.
Description
Technical field
The present invention is specifically related to a kind of minitype moving-coil electroacoustic transducer.
Background technology
Along with the development in portable consumer electronic product market, a large amount of miniature electro-acoustic device particularly minitype moving-coil electroacoustic transducer has obtained using widely.The operation principle of minitype moving-coil electroacoustic transducer is: thus the ac signal of variation makes the voice coil loudspeaker voice coil up-down vibration that is positioned at magnetic gap drive the vibrational system vibration sounding, as Figure 14, Figure 15 and shown in Figure 16, the minitype moving-coil electroacoustic transducer of known two magnetic route structure, its vibrational system comprises vibrating diaphragm 21 and voice coil loudspeaker voice coil 22, vibrating diaphragm 21 comprises ring portion 211, edge part 213, ball top 214 and the binding part 215 that combines with voice coil loudspeaker voice coil 22, on voice coil loudspeaker voice coil 22, also be provided with lead-in wire 23, the minitype moving-coil electroacoustic transducer distortion of this traditional structure is bigger, is unfavorable for the raising of product acoustical behavior; And when minitype moving-coil electroacoustic transducer long period work or vibrational system amplitude were excessive, broken string caused and is electrically connected drawbacks such as bad easily; The production technology of the minitype moving-coil electroacoustic transducer vibrational system of this traditional structure is comparatively complicated simultaneously, is unfavorable for the reduction of production cost and the raising of production efficiency.
In the minitype moving-coil electroacoustic transducer to above-mentioned traditional structure improves, the Chinese patent CN1010617 that open day is on October 24th, 2007 discloses a kind of design: diaphragm (being vibrating diaphragm) is provided with the conduction region that groove separates with at least two, voice coil loudspeaker voice coil is installed in the groove of diaphragm, will go between simultaneously is electrically connected with conduction region again.This design, though solved to a certain extent minitype moving-coil electroacoustic transducer lead-in wire useful life of above-mentioned traditional structure long, be easy to generate the drawback that noise causes distortion etc., but the voice coil loudspeaker voice coil of this structural design and the packaging technology of vibrating diaphragm are comparatively complicated, vibrating diaphragm and voice coil loudspeaker voice coil are electrically connected operation and are difficult to operation, be difficult to realize automated production, be unfavorable for the raising of production efficiency and the reduction of production cost.
So, be necessary the minitype moving-coil electroacoustic transducer vibrational system of above-mentioned traditional structure is further improved, to avoid above-mentioned defective.
Summary of the invention
Technical problem to be solved by this invention provides a kind of minitype moving-coil electroacoustic transducer, when reducing the minitype moving-coil electroacoustic transducer distortion, improve acoustical behavior, improve the minitype moving-coil electroacoustic transducer electrical connection properties, can also simplify the production and the assembling process of minitype moving-coil electroacoustic transducer, realize the automated production of product, reduced production cost, enhanced productivity.
For solving the problems of the technologies described above, technical scheme proposed by the invention is: minitype moving-coil electroacoustic transducer comprises auxiliary system, vibrational system and magnetic circuit system; Described auxiliary system comprises shell; Described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, and described vibrating diaphragm comprises the ball top and supports the ring portion of described vibrating diaphragm, also is provided with lead-in wire on the described voice coil loudspeaker voice coil, and: described vibrating diaphragm surface is provided with and forms the conductive coating of connecting at least two circuit; The central area of described vibrating diaphragm is provided with flexible circuit board, and described lead-in wire is electrically connected with described conductive coating by being electrically connected described flexible circuit board.This design, when reducing the minitype moving-coil electroacoustic transducer distortion, improve acoustical behavior, improve the minitype moving-coil electroacoustic transducer electrical connection properties, can also simplify the production and the assembling process of minitype moving-coil electroacoustic transducer, realize the automated production of product, reduced production cost, enhanced productivity.
As a kind of improvement, described vibrating diaphragm is provided with hollow structure, described flexible circuit board be combined on the described central area and described flexible circuitry board size greater than the size of described hollow structure.The design is the preferred scheme of the present invention.
As a kind of improvement, described hollow structure is positioned on the central area at ball top of described vibrating diaphragm.Hollow structure is arranged on the central area on ball top and is the preferred implementation process of the present invention.
As a kind of improvement, described hollow structure is positioned on the ball top of described vibrating diaphragm.Hollow structure is arranged on vibrating diaphragm ball top upward is the preferred implementation process of the present invention.
As a kind of improvement, also be respectively equipped with the extension that is suspended on described minitype moving-coil electroacoustic transducer on described vibrating diaphragm and the shell, the circuit on the described conductive coating is electrically connected on the extension of described shell.Extension is set on vibrating diaphragm, helps simplifying the installation process of minitype moving-coil electroacoustic transducer.
As a kind of improvement, described conductive coating is a nickel metallic conduction coating.The conductive coating of nickel metal material is the invention embodiment preferred.
As a kind of improvement, described conductive coating is symmetrically distributed on described vibrating diaphragm.Symmetrical distribution can guarantee the balance of vibrational system, is the preferred implementation process of the invention.
As a kind of improvement, electrode and external electrode in described flexible PCB is provided with, described external electrode is electrically connected with conductive coating in the described ring portion by conducting resinl, and described interior electrode and described lead-in wire combine by welding electricity.This electric connection mode is the invention embodiment preferred.
As a kind of improvement, described interior electrode and external electrode are symmetrically distributed on described flexible circuit board.Symmetrical distribution can guarantee the balance of vibrational system.
As a kind of improvement, described minitype moving-coil electroacoustic transducer is circular, square or runway shape.Minitype moving-coil electroacoustic transducer circular, square or runway shape is the preferred embodiment of the invention.
As a kind of improvement, described minitype moving-coil electroacoustic transducer magnetic circuit system is a two magnetic route structure.
Owing to adopted technique scheme: minitype moving-coil electroacoustic transducer comprises auxiliary system, vibrational system and magnetic circuit system; Described auxiliary system comprises shell; Described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, and described vibrating diaphragm comprises the ball top and supports the ring portion of described vibrating diaphragm, also is provided with lead-in wire on the described voice coil loudspeaker voice coil, and: described vibrating diaphragm surface is provided with and forms the conductive coating of connecting at least two circuit; The central area of described vibrating diaphragm is provided with flexible circuit board, and described lead-in wire is electrically connected with described conductive coating by being electrically connected described flexible circuit board.When reducing the minitype moving-coil electroacoustic transducer distortion, improve acoustical behavior, improve the minitype moving-coil electroacoustic transducer electrical connection properties, can also simplify the production and the assembling process of minitype moving-coil electroacoustic transducer, realize the automated production of product, reduced production cost, enhanced productivity.
Description of drawings
Fig. 1 is the decomposing schematic representation of the embodiment of the invention one;
Fig. 2 is the structural representation at the embodiment of the invention one vibrating diaphragm and the flexible circuit board back side;
Fig. 3 is the structural representation in the embodiment of the invention one vibrating diaphragm and flexible circuit board front;
Fig. 4 is the vertical view in the embodiment of the invention one vibrating diaphragm front;
Fig. 5 is the embodiment of the invention one vibrating diaphragm and the schematic diagram that combines of flexible circuit board;
Fig. 6 is the vibrating diaphragm front plan view that the embodiment of the invention one is saved the conductive coating improvement project;
Fig. 7 is the schematic diagram of the embodiment of the invention one;
Fig. 8 is the structural representation in the embodiment of the invention two vibrating diaphragms and flexible circuit board front;
Fig. 9 is the structural representation in the embodiment of the invention two flexible circuit board fronts;
Figure 10 is the vertical view at the embodiment of the invention two vibrating diaphragm back sides;
Figure 11 is the structural representation of the embodiment of the invention three vibrating diaphragms and flexible circuit board;
Figure 12 is the structural representation of the embodiment of the invention three vibrating diaphragms;
Figure 13 is the structural representation of the embodiment of the invention three;
Figure 14 is the vertical view in the embodiment of the invention three further improved vibrating diaphragm fronts;
Figure 15 is the cutaway view of the minitype moving-coil electroacoustic transducer vibrational system of known technology;
Figure 16 is the vertical view of the minitype moving-coil electroacoustic transducer vibrational system of known technology.
Embodiment
Embodiment one:
Minitype moving-coil electroacoustic transducer as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, comprises auxiliary system, vibrational system and magnetic circuit system.Auxiliary system comprises protecgulum 11 and shell 12, and an epitaxial lateral overgrowth of shell 12 is stretched and formed the shell extension 121 that is suspended on minitype moving-coil electroacoustic transducer; Vibrational system comprises vibrating diaphragm 21 and voice coil loudspeaker voice coil 22, also is provided with lead-in wire 23 on the voice coil loudspeaker voice coil 22; Magnetic circuit system is a two magnetic route structure, comprise respectively first washer 311, first magnet 321 and second washer 312, second magnet 322 that assemble with magnetic conductive board 33 from top to bottom, wherein first washer 311 and first magnet 321 are put for the concentric ring winding with second washer 312 and second magnet 322 respectively; In shell extension 121, also be combined with conducting strip 6 by Shooting Technique.
Vibrating diaphragm 21 peripheries are circular, comprise that the center is ball top, the ring portion 211 of hollow structure and the edge part 212 that is used for fixing, the part of edge part 212 stretches out and forms corresponding vibrating diaphragm extension 213 in conjunction with shell extension 121, be symmetrically arranged with conductive coating 5 on the front of vibrating diaphragm ring portion 211, conductive coating 5 is the nickel metal material; Be combined with flexible circuit board 4 on the hollow ball top of vibrating diaphragm 21, the size of flexible circuit board 4 is greater than the hollow structure at described ball top, and the positive electricity of flexible circuit board 4 is in conjunction with vibrating diaphragm 21, and the back side electricity of flexible circuit board 4 is in conjunction with the lead-in wire on the voice coil loudspeaker voice coil 22 23.
The periphery of flexible circuit board 4 is corresponding to vibrating diaphragm 21, and the periphery of flexible circuit board 4 also is a circular configuration.Electrode 41a and external electrode 41b in flexible circuit board 4 front and backs are respectively arranged with, interior electrode 41a and external electrode 41b evenly distribute on flexible circuit board, and conduct by plated-through hole 42, interior electrode 41a and external electrode 41b be conductive coating 5 and electric connecting wire 23 respectively, and conductive coating 5 is by the part electric insulation of uncoated conductive coating on the vibrating diaphragm 21 and form two branch circuits that are electrically connected to vibrating diaphragm extension 213; This implementation process preferably goes between and 23 combines by welding procedure with interior electrode 41a, and conductive coating 5 combines by conducting resinl 7 with external electrode 41b.
Fig. 6 is the further improvement of this implementation process, and conductive coating 5 is arranged on the regional area of ring portion 211, and this design can reduce the coated area of conductive coating 5, reduces production costs.Fig. 7 is the minitype moving-coil electroacoustic transducer structural representation after this implementation process assembling.
The corresponding fixedly vibrating diaphragm extension of extension also can be set on protecgulum in this implementation process.This design of the present embodiment, when reducing the minitype moving-coil electroacoustic transducer distortion and improving acoustical behavior, improve the minitype moving-coil electroacoustic transducer electrical connection properties, can simplify the production and the assembling process of minitype moving-coil electroacoustic transducer, realize the automated production of product, reduced production cost, enhanced productivity.
Embodiment two:
This implementation process is with the main distinction of above-mentioned implementation process, the position difference that conductive coating 5 is provided with, conductive coating in this implementation process is arranged on the back side of vibrating diaphragm 21, as Fig. 8, Fig. 9 and shown in Figure 10, the back side of vibrating diaphragm 21 is provided with conductive coating 5, the external electrode 41b of flexible circuit board 4 be improved to be convenient to vibrating diaphragm 21 on the conductive coating 5 electric loop configuration that combine.
This implementation process also can be by the further improvement to embodiment one simultaneously, reduce cost by the coated area that reduces conductive coating, also can come electrode etc. to further improve according to the different structure of the setting of conductive coating and vibrating diaphragm hollow space to flexible PCB, the neither enforcement that influences this implementation process can realize the technique effect of embodiment one equally.
Embodiment three:
This implementation process is that with the main distinction of embodiment one and embodiment two structure of vibrational system is different, as Figure 11, Figure 12 and shown in Figure 13, vibrational system is square in this implementation process, vibrating diaphragm 21, flexible circuit board 4 are all square structure, interior electrode 41a is set to strip structure, and on the minor axis of vibrating diaphragm 21, also be provided with vibrating diaphragm extension 231, conductive coating 5 is arranged on the positive of vibrating diaphragm 21 and is electrically connected on the vibrating diaphragm extension 213, and this implementation process can realize the technique effect of embodiment one and embodiment two equally.
This implementation process also can be arranged to structure as shown in figure 14, conductive coating 5 is arranged on the part of vibrating diaphragm 21, and vibrating diaphragm 21 also can be other shapes such as ellipse, racetrack, the neither enforcement that influences the invention.
In the enforcement of the invention, flexible circuit board also can adopt other combination such as top of being installed in vibrating diaphragm, hollow structure is set on vibrating diaphragm only is the invention embodiment preferred, the hollow structure at vibrating diaphragm center can be set to different sizes according to actual needs, also can be on the vibrating diaphragm of integrative-structure (the vibrating diaphragm surface is not provided with hollow structure) directly in conjunction with in conjunction with flexible circuit board, conductive coating that also can the vibrating diaphragm surface is set to other circuit structure of at least two circuit, electrode, conductive coating also can be set to other structure, conductive coating also can be other materials, the above-mentioned neither enforcement that influences the invention.
Claims (10)
1. minitype moving-coil electroacoustic transducer comprises auxiliary system, vibrational system and magnetic circuit system; Described auxiliary system comprises shell; Described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil, and described vibrating diaphragm comprises the ball top and support the ring portion of described vibrating diaphragm that also be provided with lead-in wire on the described voice coil loudspeaker voice coil, it is characterized in that: described vibrating diaphragm surface is provided with the conductive coating of at least two circuit of formation; The central area of described vibrating diaphragm is provided with flexible circuit board, and described lead-in wire is electrically connected with described conductive coating by being electrically connected described flexible circuit board.
2. minitype moving-coil electroacoustic transducer as claimed in claim 1, it is characterized in that: described vibrating diaphragm is provided with hollow structure, described flexible circuit board is combined on the described central area, and described flexible circuitry board size is greater than the size of described hollow structure.
3. minitype moving-coil electroacoustic transducer as claimed in claim 2 is characterized in that: described hollow structure is positioned on the central area at ball top of described vibrating diaphragm.
4. minitype moving-coil electroacoustic transducer as claimed in claim 3, it is characterized in that: also be respectively equipped with the extension that is suspended on described minitype moving-coil electroacoustic transducer on described vibrating diaphragm and the shell, the circuit on the described conductive coating is electrically connected on the extension of described shell.
5. minitype moving-coil electroacoustic transducer as claimed in claim 4 is characterized in that: described conductive coating is a nickel metallic conduction coating.
6. minitype moving-coil electroacoustic transducer as claimed in claim 5 is characterized in that: described conductive coating is symmetrically distributed on described vibrating diaphragm.
7. minitype moving-coil electroacoustic transducer as claimed in claim 6, it is characterized in that: electrode and external electrode in described flexible PCB is provided with, described external electrode is electrically connected with conductive coating in the described ring portion by conducting resinl, described in electrode and described lead-in wire combine by welding electricity.
8. minitype moving-coil electroacoustic transducer as claimed in claim 7 is characterized in that: electrode and external electrode are symmetrically distributed on described flexible circuit board in described.
9. as the described minitype moving-coil electroacoustic transducer of the arbitrary claim of claim 1 to 8, it is characterized in that: described minitype moving-coil electroacoustic transducer is circular, square or runway shape.
10. minitype moving-coil electroacoustic transducer as claimed in claim 9 is characterized in that: described minitype moving-coil electroacoustic transducer magnetic circuit system is a two magnetic route structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102608330A CN101765044B (en) | 2009-12-12 | 2009-12-12 | Minitype moving-coil electroacoustic transducer |
| KR1020100039140A KR101081653B1 (en) | 2009-12-12 | 2010-04-27 | Moving-Coil Type Mini Microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102608330A CN101765044B (en) | 2009-12-12 | 2009-12-12 | Minitype moving-coil electroacoustic transducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101765044A true CN101765044A (en) | 2010-06-30 |
| CN101765044B CN101765044B (en) | 2012-11-14 |
Family
ID=42496008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102608330A Active CN101765044B (en) | 2009-12-12 | 2009-12-12 | Minitype moving-coil electroacoustic transducer |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101081653B1 (en) |
| CN (1) | CN101765044B (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984677A (en) * | 2010-11-02 | 2011-03-09 | 瑞声声学科技(深圳)有限公司 | Sound generator |
| CN102348153A (en) * | 2010-07-30 | 2012-02-08 | 歌尔声学股份有限公司 | Micro moving-coil type electro-acoustic converter |
| CN102348154A (en) * | 2010-07-30 | 2012-02-08 | 歌尔声学股份有限公司 | Miniature moving coil type energy transducer |
| CN102611971A (en) * | 2012-01-13 | 2012-07-25 | 瑞声声学科技(深圳)有限公司 | Ball top type vibration system and manufacturing method thereof and loudspeaker |
| CN102970642A (en) * | 2012-11-29 | 2013-03-13 | 歌尔声学股份有限公司 | Micro loudspeaker |
| CN102970643A (en) * | 2012-11-29 | 2013-03-13 | 歌尔声学股份有限公司 | Micro loudspeaker |
| WO2013107071A1 (en) * | 2012-01-19 | 2013-07-25 | 歌尔声学股份有限公司 | Acoustic generator |
| CN103813242A (en) * | 2012-11-13 | 2014-05-21 | 固昌通讯股份有限公司 | Vibrating element |
| CN105578364A (en) * | 2016-03-21 | 2016-05-11 | 歌尔声学股份有限公司 | Vibration system manufacturing method and loudspeaker monomer |
| CN107404692A (en) * | 2017-08-04 | 2017-11-28 | 奥音科技（镇江）有限公司 | A kind of protecgulum applied to electroacoustic transducer |
| CN107465980A (en) * | 2017-08-04 | 2017-12-12 | 奥音科技（镇江）有限公司 | One kind has chaffy electroacoustic transducer |
| CN110798784A (en) * | 2019-09-30 | 2020-02-14 | 歌尔股份有限公司 | Broadband earphone loudspeaker |
| CN114866921A (en) * | 2022-04-29 | 2022-08-05 | 歌尔股份有限公司 | Sound production device and audio equipment |
| CN114866926A (en) * | 2022-04-29 | 2022-08-05 | 歌尔股份有限公司 | Sound production device and audio equipment |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3076806B1 (en) * | 2013-11-21 | 2021-08-25 | Avanzato Technology Corp. | Improved vaporization and dosage control for electronic vaporizing inhaler |
| CN114222227A (en) * | 2021-12-30 | 2022-03-22 | 歌尔股份有限公司 | Vibrating diaphragm and preparation method thereof, sound production device and electronic equipment |
| CN114268887A (en) * | 2021-12-30 | 2022-04-01 | 歌尔股份有限公司 | Vibrating diaphragm and preparation method thereof, sound production device and electronic equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002082858A2 (en) * | 2001-04-04 | 2002-10-17 | Koninklijke Philips Electronics N.V. | Sound and vision system |
| CN1697566A (en) * | 2004-05-11 | 2005-11-16 | 星精密株式会社 | Electroacoustic transducer |
| CN101061748A (en) * | 2004-09-23 | 2007-10-24 | 皇家飞利浦电子股份有限公司 | Vibrating element for an electroacoustic transducer |
| CN201623845U (en) * | 2009-12-12 | 2010-11-03 | 歌尔声学股份有限公司 | Mini-type movable coil electroacoustic converting device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATE388600T1 (en) * | 2000-01-27 | 2008-03-15 | Nxp Bv | ELECTROACOUSTIC TRANSDUCER WITH MOVABLE COIL AND WITH ELASTIC FASTENING ELEMENTS FOR THE MOVABLE COIL CONNECTION CONTACTS |
-
2009
- 2009-12-12 CN CN2009102608330A patent/CN101765044B/en active Active
-
2010
- 2010-04-27 KR KR1020100039140A patent/KR101081653B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002082858A2 (en) * | 2001-04-04 | 2002-10-17 | Koninklijke Philips Electronics N.V. | Sound and vision system |
| CN1697566A (en) * | 2004-05-11 | 2005-11-16 | 星精密株式会社 | Electroacoustic transducer |
| CN101061748A (en) * | 2004-09-23 | 2007-10-24 | 皇家飞利浦电子股份有限公司 | Vibrating element for an electroacoustic transducer |
| CN201623845U (en) * | 2009-12-12 | 2010-11-03 | 歌尔声学股份有限公司 | Mini-type movable coil electroacoustic converting device |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348153A (en) * | 2010-07-30 | 2012-02-08 | 歌尔声学股份有限公司 | Micro moving-coil type electro-acoustic converter |
| CN102348154A (en) * | 2010-07-30 | 2012-02-08 | 歌尔声学股份有限公司 | Miniature moving coil type energy transducer |
| CN102348153B (en) * | 2010-07-30 | 2014-01-29 | 歌尔声学股份有限公司 | Micro moving-coil type electro-acoustic converter |
| CN102348154B (en) * | 2010-07-30 | 2014-12-24 | 歌尔声学股份有限公司 | Miniature moving coil type energy transducer |
| CN101984677A (en) * | 2010-11-02 | 2011-03-09 | 瑞声声学科技(深圳)有限公司 | Sound generator |
| CN101984677B (en) * | 2010-11-02 | 2016-03-09 | 瑞声声学科技(深圳)有限公司 | Acoustical generator |
| CN102611971A (en) * | 2012-01-13 | 2012-07-25 | 瑞声声学科技(深圳)有限公司 | Ball top type vibration system and manufacturing method thereof and loudspeaker |
| WO2013107071A1 (en) * | 2012-01-19 | 2013-07-25 | 歌尔声学股份有限公司 | Acoustic generator |
| CN103813242B (en) * | 2012-11-13 | 2017-05-24 | 固昌通讯股份有限公司 | vibrating element |
| CN103813242A (en) * | 2012-11-13 | 2014-05-21 | 固昌通讯股份有限公司 | Vibrating element |
| CN102970643B (en) * | 2012-11-29 | 2015-10-28 | 歌尔声学股份有限公司 | Microspeaker |
| CN102970642B (en) * | 2012-11-29 | 2015-12-02 | 歌尔声学股份有限公司 | Microspeaker |
| CN102970643A (en) * | 2012-11-29 | 2013-03-13 | 歌尔声学股份有限公司 | Micro loudspeaker |
| CN102970642A (en) * | 2012-11-29 | 2013-03-13 | 歌尔声学股份有限公司 | Micro loudspeaker |
| CN105578364A (en) * | 2016-03-21 | 2016-05-11 | 歌尔声学股份有限公司 | Vibration system manufacturing method and loudspeaker monomer |
| CN107404692A (en) * | 2017-08-04 | 2017-11-28 | 奥音科技（镇江）有限公司 | A kind of protecgulum applied to electroacoustic transducer |
| CN107465980A (en) * | 2017-08-04 | 2017-12-12 | 奥音科技（镇江）有限公司 | One kind has chaffy electroacoustic transducer |
| CN110798784A (en) * | 2019-09-30 | 2020-02-14 | 歌尔股份有限公司 | Broadband earphone loudspeaker |
| CN114866921A (en) * | 2022-04-29 | 2022-08-05 | 歌尔股份有限公司 | Sound production device and audio equipment |
| CN114866926A (en) * | 2022-04-29 | 2022-08-05 | 歌尔股份有限公司 | Sound production device and audio equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101081653B1 (en) | 2011-11-09 |
| KR20110067003A (en) | 2011-06-20 |
| CN101765044B (en) | 2012-11-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101765044B (en) | Minitype moving-coil electroacoustic transducer | |
| CN207835793U (en) | A kind of Double-vibrating-diaspeaker speaker | |
| US9307306B2 (en) | Micro loudspeaker and electronic device using same | |
| CN110719554B (en) | Sound production device and electronic equipment thereof | |
| CN205051866U (en) | Sounding device | |
| CN201667712U (en) | Moving-coil type electroacoustic transducer | |
| CN201440722U (en) | Full-frequency trumpet | |
| CN201623845U (en) | Mini-type movable coil electroacoustic converting device | |
| CN205040017U (en) | Micro loudspeaker | |
| CN102196339B (en) | Vibration loudspeaker | |
| CN204559871U (en) | Acoustical generator | |
| CN201533404U (en) | Luminous loudspeaker | |
| CN204291381U (en) | Loud speaker module | |
| CN204929248U (en) | Moving -coil loudspeaker | |
| CN204518065U (en) | Loud speaker | |
| CN204929247U (en) | Moving -coil loudspeaker | |
| CN101695146B (en) | Dual-drive speaker | |
| CN201629836U (en) | Mini moving-coil electroacoustic converter | |
| KR100910621B1 (en) | Coaxial speaker | |
| CN202068563U (en) | Vibration loudspeaker | |
| CN202696870U (en) | Acoustic generator | |
| CN101931849A (en) | Thin speaker with taper location support chip | |
| CN215222487U (en) | Ultrathin high-power loudspeaker | |
| CN201623846U (en) | Mini-type microphone | |
| CN203708472U (en) | Sounding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |