CN106817659A - Microspeaker with woofer drivers high - Google Patents
Microspeaker with woofer drivers high Download PDFInfo
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- CN106817659A CN106817659A CN201510867025.6A CN201510867025A CN106817659A CN 106817659 A CN106817659 A CN 106817659A CN 201510867025 A CN201510867025 A CN 201510867025A CN 106817659 A CN106817659 A CN 106817659A
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- voice coil
- vibrating diaphragm
- central part
- coil loudspeaker
- loudspeaker voice
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 29
- 230000000994 depressogenic effect Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 3
- 241001080929 Zeugopterus punctatus Species 0.000 claims 1
- 239000003351 stiffener Substances 0.000 claims 1
- 238000000354 decomposition reaction Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Abstract
The present invention be about a kind of Microspeaker with woofer drivers high, including：One support；A pair of conductive piece；Three driver elements, system is returned with a central voice coil loudspeaker voice coil, an opposite side voice coil loudspeaker voice coil and a magnetic；One first vibrating diaphragm, edge is hanged comprising the first central part with around the first of first central part, and first central part has a through hole, and is incorporated into the support by means of the first outstanding edge outer peripheral edge；One second vibrating diaphragm, the through hole of first vibrating diaphragm is placed in center projections body or depressed body, second vibrating diaphragm is incorporated into the through hole periphery of first vibrating diaphragm by means of outer peripheral edge, and the rigidity of second vibrating diaphragm is made higher than the rigidity of first central part, and the central voice coil loudspeaker voice coil is combined with the outer peripheral edge bottom surface of second vibrating diaphragm, and respectively the side voice coil loudspeaker voice coil is then each combined with the first vibrating diaphragm bottom surface.Whereby, it is used to provide a kind of Microspeaker with woofer drivers high, and there is the output of lifting volume and bass tonequality high performance.
Description
Technical field
The present invention be about a kind of Microspeaker with woofer drivers high, it is espespecially a kind of by
Three shared same vibrating diaphragms of promotion of driver element, and by means of change diaphragm structure and/or vibrating diaphragm and voice coil loudspeaker voice coil
Marriage relation, and then lift the design of bass tonequality performance high.
Background technology
Microspeaker is exported, therefore having to put forward high power rating with obtaining bigger volume
In the space of limit, the same face vibrating diaphragm can be promoted using dual drive cellular construction, it is, often
Individual driver element has independent voice coil loudspeaker voice coil collocation magnetic to return structure, and is arranged in parallel within different positions,
It is shared to promote same vibrating diaphragm；Therefore, the advantage of the Microspeaker of such dual drive unit, can be compared with
Same volume uses the conventional micro-speaker of single driver element, with bigger electromagnetic force, therefore
Bigger volume output can be provided；Then, if further using three driver elements, then institute's energy
What is obtained bears power necessarily more greatly, and volume output just can be higher, and three driver elements may be used also
Because woofer drivers high are distinguished in the position of relative vibrating diaphragm, and to diaphragm structure and/or vibrating diaphragm and sound
The marriage relation of circle is designed, it will help the tonequality performance of lifting bass high.
The content of the invention
Technical problem underlying to be solved by this invention is to overcome the above-mentioned of prior art presence to lack
Fall into, and a kind of Microspeaker with woofer drivers high is provided, it has lifting volume defeated
Go out and bass tonequality high performance effect.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of Microspeaker with woofer drivers high, including：One support；One first shakes
Film, edge, first central part are hanged comprising the first central part with around the first of first central part
With a through hole, and the first outstanding edge outer peripheral edge is borrowed to be incorporated into the support；One second vibrating diaphragm, holds
It is placed in the through hole of first vibrating diaphragm, and borrows the through hole periphery that outer peripheral edge bottom surface is incorporated into first vibrating diaphragm
Top surface is incorporated into the through hole periphery bottom surface of first vibrating diaphragm by means of outer peripheral edge top surface, and makes this second shake
The rigidity of film higher than first central part rigidity, and second vibrating diaphragm quality less than this in first
The quality of center portion；Three driver elements, return with a magnetic and are with a central voice coil loudspeaker voice coil, an opposite side voice coil loudspeaker voice coil
The through hole periphery bottom surface or the outer peripheral edge bottom of second vibrating diaphragm of system, the central voice coil loudspeaker voice coil and first vibrating diaphragm
Face is combined, and respectively the side voice coil loudspeaker voice coil is each combined with the first vibrating diaphragm bottom surface, and the magnetic returns system and is incorporated into
The support and relatively respectively the voice coil loudspeaker voice coil have three magnetic gap；And a pair of conductive piece, it is arranged at the support.
Additionally, the first central part of first vibrating diaphragm and the first outstanding edge are integral type structure, and enter
One step relatively respectively the side voice coil loudspeaker voice coil and in first vibrating diaphragm the first central part top be combined with quality
Block；Or, the first central part of first vibrating diaphragm and the first outstanding edge are separate structure, and are somebody's turn to do
First central part is unlike material with the first outstanding edge, and makes the rigidity of first central part be higher than
The rigidity of the first outstanding edge；Also, second vibrating diaphragm has center projections body or depressed body.Separately,
Respectively the wire of the voice coil loudspeaker voice coil has three pairs of voice coil loudspeaker voice coil electrical connection table tops to this pair of conducting strip relatively, and in the branch
There is a pair of outer signal to be electrically connected table top for the outside of frame.
A kind of Microspeaker with woofer drivers high, including：One support；One first shakes
Film, edge, first central part are hanged comprising the first central part with around the first of first central part
With a through hole, and the first outstanding edge outer peripheral edge is borrowed to be incorporated into the support；One second vibrating diaphragm, holds
The through hole of first vibrating diaphragm is placed in, and comprising the second central part and around the second of second central part
Outstanding edge, and the through hole periphery of first vibrating diaphragm is incorporated into by means of the second outstanding edge outer peripheral edge, and make
The rigidity of second central part is higher than the rigidity of first central part, and the quality of second vibrating diaphragm is low
In the quality of first central part；Three driver elements, with a central voice coil loudspeaker voice coil, an opposite side voice coil loudspeaker voice coil
System is returned with a magnetic, the central voice coil loudspeaker voice coil hangs edge with the second central part of second vibrating diaphragm and second
Junction bottom surface is combined, and respectively the side voice coil loudspeaker voice coil is each combined with the first vibrating diaphragm bottom surface, and the magnetic returns and is
System is incorporated into the support and respectively the voice coil loudspeaker voice coil has three magnetic gap relatively；And a pair of conductive piece, set
In the support.
Furthermore, the first central part of first vibrating diaphragm and the first outstanding edge are integral type structure, and are entered
One step relatively respectively the side voice coil loudspeaker voice coil and in first vibrating diaphragm the first central part top be combined with quality
Block, and the junction of second vibrating diaphragm and first vibrating diaphragm is further provided with structure-reinforced ring；
Also, second vibrating diaphragm has center projections body or depressed body.Separately, this pair of conducting strip each sound relatively
The wire of circle has three pairs of voice coil loudspeaker voice coil electrical connection table tops, and has a pair of outer in the outside of the support
Signal is electrically connected table top.
The beneficial effects of the invention are as follows it has the work(of the output of lifting volume and bass tonequality high performance
Effect.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the structure decomposition figure of common structure of the invention.
Fig. 2 is the constructional appearance figure of common structure of the invention.
Fig. 3 is the structure decomposition figure of first embodiment of the invention.
Fig. 4 is the axial arrangement cut-away view long of first embodiment of the invention.
Fig. 5 is the short axial structure cut-away view of first embodiment of the invention.
Fig. 6 is the short axial structure cut-away view of second embodiment of the invention.
Fig. 7 is the short axial structure cut-away view of third embodiment of the invention.
Fig. 8 is the structure decomposition figure of fourth embodiment of the invention.
Fig. 9 is the axial arrangement cut-away view long of fourth embodiment of the invention.
Figure 10 is the short axial structure cut-away view of fourth embodiment of the invention.
Figure 11 is the structure decomposition figure of fifth embodiment of the invention.
Figure 12 is the axial arrangement cut-away view long of fifth embodiment of the invention.
Figure 13 is the short axial structure cut-away view of fifth embodiment of the invention.
Label declaration in figure：
10 supports
11 magnetic return structure socket
12 step surfaces high
13 low step surfaces
131 concave faces
20 conducting strips
21 bodies of rod
22 voice coil loudspeaker voice coils are electrically connected table top
23 external signals are electrically connected table top
30a centers voice coil loudspeaker voice coil
30b sides voice coil loudspeaker voice coil
31 wires
40 magnetic return structure
41 central main magnets
42 sides pair magnet
43rd, magnetic conductive component on 44
45 times magnetic conductive components
451 barricades
46 magnetic gap
50th, the vibrating diaphragms of 50a first
51st, the central parts of 51a first
52nd, 52a first hangs edge
53 through holes
54 masses
60th, the vibrating diaphragms of 60a second
61 second central parts
62 second outstanding edge
63rd, 63a center projections body
64 structure-reinforced rings
The common structures of A
Specific embodiment
First, refer to shown in Fig. 1, Fig. 2, the common structure A of various embodiments of the present invention includes：One
Support 10, strip and there are three magnetic to return structure socket 11, two sides long of the support 10 are inside
Sequentially there are a pair high step surfaces 12 and low a pair step surfaces 13, and make this pair of low step surface 13 have
Number concave face 131；A pair of conductive piece 20, respectively the conducting strip 20 is each combines three voice coil loudspeaker voice coils electricity with a body of rod 21
Gas connection table top 22 and external signal electrical connection table top 23, and make respectively voice coil loudspeaker voice coil electrical connection platform
The position in face 22 is recessed and past laterally protruding compared with the body of rod 21, and respectively the body of rod 21 is embedded in the support 10
The respectively step surface high 12, and make each voice coil loudspeaker voice coil electrical connection table top 22 just positioned at each of the support 10
Respectively concave face 131 of the low step surface 13, and allow respectively external signal electrical connection table top 23 to be located at
The outside of the support 10；And three driver elements, with a central voice coil loudspeaker voice coil 30a, an opposite side voice coil loudspeaker voice coil
30b and a magnetic return system, respectively voice coil loudspeaker voice coil 30a, 30b equidistantly side by side and by respective wire 31 with it is each
Voice coil loudspeaker voice coil electrical connection table top 22 is electrically connected, and the magnetic returns system, and there are three independent magnetic to return structure
40, respectively the magnetic return structure 40 be incorporated into the support 10 the respectively magnetic return structure socket 11 and it is relatively each
The voice coil loudspeaker voice coil 30a, 30b respectively have magnetic gap 46, and it is with a central main magnet that respectively the magnetic returns structure 40
41 and one opposite side pair magnet 42 three magnetic-type frameworks, the central main magnet 41 and the respectively side pair magnetic
The top of iron 42 is each provided with magnetic conductive component 43,44 on, the central main magnet 41 and the side pair
The magnetic direction of magnet 42 is conversely, and set the central main magnet 41 with respectively side pair magnet 42
In magnetic conductive component 45 once, and make the lower magnetic conductive component 45 grow axial direction two ends there is barricade 451, and
By the central main magnet 41, respectively side pair magnet 42 and respectively the setting spacing of the barricade 451 is formed
The magnetic gap 46.
Then, refer to shown in Fig. 3~Fig. 5, the first embodiment of the present invention includes：One is foregoing
Common structure A, comprising the support 10, this pair of conducting strip 20 and with the central voice coil loudspeaker voice coil 30a, should
Opposite side voice coil loudspeaker voice coil 30b returns three driver elements of system with the magnetic；One first vibrating diaphragm 50, in first
Center portion 51 with around first central part 51 first hang edge 52, and first central part 51 with should
First outstanding edge 52 is integral type structure, and first central part 51 has a through hole 53, and by means of this
The one outstanding outer peripheral edge of edge 52 is incorporated into the support 10, and further relatively respectively side voice coil loudspeaker voice coil 30b and in
The top of first central part 51 of first vibrating diaphragm 50 is combined with mass 54；One second vibrating diaphragm 60, tool
There is center projections body 63 (or depressed body) and be placed in the through hole 53 of first vibrating diaphragm 50, this second shakes
Film 60 is incorporated into the periphery bottom surface of through hole 53 of first vibrating diaphragm 50 by means of outer peripheral edge top surface, and make this second
The rigidity of vibrating diaphragm 60 is less than higher than the rigidity of first central part 51 and the quality of second vibrating diaphragm 60 should
The quality of the first central part 51, and by the outer peripheral edge bottom surface of the central voice coil loudspeaker voice coil 30a and second vibrating diaphragm 60
With reference to, and respectively side voice coil loudspeaker voice coil 30b is then each combined with the bottom surface of the first vibrating diaphragm 50.
Furthermore, referring to shown in Fig. 6, the second embodiment of the present invention does not exist together with first embodiment
It is：The central voice coil loudspeaker voice coil 30a do not combined with the outer peripheral edge bottom surface of second vibrating diaphragm 60 and change with this first
The periphery bottom surface of through hole 53 of vibrating diaphragm 50 is combined, and second vibrating diaphragm 60 is still combined by means of outer peripheral edge top surface
In the periphery bottom surface of through hole 53 of first vibrating diaphragm 50.Another person, refers to shown in Fig. 7, and of the invention the
Three embodiments are from the different places of first embodiment：The central voice coil loudspeaker voice coil 30a not with second vibrating diaphragm 60
Outer peripheral edge bottom surface combine and change and combined with the periphery bottom surface of through hole 53 of first vibrating diaphragm 50, and this
Two vibrating diaphragms 60 borrow the periphery top surface of through hole 53 that outer peripheral edge bottom surface is incorporated into first vibrating diaphragm 50.
Then, refer to shown in Fig. 8~Figure 10, the fourth embodiment of the present invention includes：One is foregoing
Common structure A, comprising the support 10, this pair of conducting strip 20 and with the central voice coil loudspeaker voice coil 30a, should
Opposite side voice coil loudspeaker voice coil 30b returns three driver elements of system with the magnetic；One first vibrating diaphragm 50a, comprising first
Central part 51a and the first outstanding edge 52a around first central part 51a, and first central part
The 51a and first outstanding edge 52a is separate structure, the first central part 51a and the first outstanding edge
52a is unlike material, and makes the rigidity of first central part 51a firm higher than the first outstanding edge 52a
Property, first central part 51a has a through hole 53, and is combined by means of the first outstanding edge 52a outer peripheral edges
In the support 10；One second vibrating diaphragm 60a, is placed in center projections body 63a (or depressed body)
The through hole 53 of first vibrating diaphragm 50, second vibrating diaphragm 60a is incorporated into first vibrating diaphragm by means of outer peripheral edge top surface
The 50 periphery bottom surface of through hole 53, and the rigidity of second vibrating diaphragm 60a is made higher than first central part 51a
Rigidity and second vibrating diaphragm 60a quality of the quality less than first central part 51a, and by this
Centre voice coil loudspeaker voice coil 30a combined with the outer peripheral edge bottom surface of second vibrating diaphragm 60a (or can as foregoing second implementation
Example combination, the central voice coil loudspeaker voice coil 30a do not combined with the outer peripheral edge bottom surface of second vibrating diaphragm 60a and
Change and combined with the periphery bottom surface of through hole 53 of first vibrating diaphragm 50a, and second vibrating diaphragm 60a still borrows outer
Periphery top surface is incorporated into the periphery bottom surface of through hole 53 of first vibrating diaphragm 50a；Also can be such as the foregoing 3rd in fact
The combination of example is applied, outer peripheral edge bottom surfaces of the central voice coil loudspeaker voice coil 30a not with second vibrating diaphragm 60a is combined
And change and combined with the periphery bottom surface of through hole 53 of first vibrating diaphragm 50a, and second vibrating diaphragm 60a borrows periphery
Edge bottom surface is incorporated into the periphery top surface of through hole 53 of first vibrating diaphragm 50a), and respectively side voice coil loudspeaker voice coil 30b is then
Each combined with the first vibrating diaphragm 50a bottom surfaces；Wherein, the mass 54 can strengthen the tonequality table of bass
Existing, the size of the center projections body 63,63a (or depressed body) can be used for tuning.
Then, refer to shown in Figure 11~Figure 13, the fifth embodiment of the present invention includes：One is foregoing
Common structure A, comprising the support 10, this pair of conducting strip 20 and with the central voice coil loudspeaker voice coil 30a,
The opposite side voice coil loudspeaker voice coil 30b returns three driver elements of system with the magnetic；One first vibrating diaphragm 50, comprising first
Central part 51 with around first central part 51 first hang edge 52, and first central part 51 with
The first outstanding edge 52 is integral type structure, and first central part 51 has a through hole 53, and by means of this
The first outstanding outer peripheral edge of edge 52 is incorporated into the support 10, and further relatively respectively side voice coil loudspeaker voice coil 30b and
Mass 54 is combined with the top of the first central part 51 of first vibrating diaphragm 50；One second vibrating diaphragm 60b,
The through hole 53 of first vibrating diaphragm 50 is placed in, and comprising the second central part 61 and around second center
The outstanding edge 62 of the second of portion 61, second central part 61 has center projections body 63 (or depressed body),
Second vibrating diaphragm 60b borrows the second outstanding outer peripheral edge bottom surface (or top surface) of edge 62 to be incorporated into this first to shake
Through hole periphery top surface (or bottom surface) of film 51, and make the rigidity of second central part 61 higher than this first
The quality of the rigidity of central part 51 and the second vibrating diaphragm 60b is less than the quality of the first vibrating diaphragm 50, and by this
Second central part 61 of centre voice coil loudspeaker voice coil 30a and second vibrating diaphragm 60b and the junction bottom of the second outstanding edge 62
Face is combined, and respectively side voice coil loudspeaker voice coil 30b is then each combined with the bottom surface of the first vibrating diaphragm 50, another further
The junction of the second vibrating diaphragm 60b and first vibrating diaphragm 50 is provided with structure-reinforced ring 64.
Based on above-mentioned composition, the present invention promotes same vibrating diaphragm by three driver elements are shared, can
Increase electromagnetic force, and the vibrating diaphragm area that maximizes, also set up the second vibrating diaphragm 60,60a, 60b strong
Change the tonequality performance of alt, and then closed using the combination for changing diaphragm structure and/or vibrating diaphragm and voice coil loudspeaker voice coil
System, causes the present invention to have functions that the output of lifting volume and bass tonequality high are showed.
The above, is only presently preferred embodiments of the present invention, and any shape is not made to the present invention
Limitation in formula, it is every according to technical spirit of the invention above example is made it is any simple
Modification, equivalent variations and modification, still fall within the range of technical solution of the present invention.
In sum, the present invention is accorded with completely in structure design, using in practicality and cost benefit
Needed for conjunction industry development, and disclosed structure is also, with unprecedented innovative structure, have
Novelty, creativeness, practicality, meet the regulation about patent of invention important document, therefore lift in accordance with the law
Application.
Claims (12)
1. a kind of Microspeaker with woofer drivers high, it is characterised in that including：
One support；
One first vibrating diaphragm, edge is hanged comprising the first central part with around the first of first central part,
First central part has a through hole, and borrows the first outstanding edge outer peripheral edge to be incorporated into the support；
One second vibrating diaphragm, is placed in the through hole of first vibrating diaphragm, and borrows outer peripheral edge bottom surface to be incorporated into this
The through hole periphery top surface of the first vibrating diaphragm is incorporated into the through hole periphery of first vibrating diaphragm by means of outer peripheral edge top surface
Bottom surface, and the rigidity of second vibrating diaphragm is made higher than the rigidity of first central part, and second vibrating diaphragm
Quality less than first central part quality；
Three driver elements, return system, in this with a central voice coil loudspeaker voice coil, an opposite side voice coil loudspeaker voice coil and a magnetic
Centre voice coil loudspeaker voice coil is combined with the through hole periphery bottom surface of first vibrating diaphragm or the outer peripheral edge bottom surface of second vibrating diaphragm,
Respectively the side voice coil loudspeaker voice coil is each combined with the first vibrating diaphragm bottom surface, the magnetic return system be incorporated into the support and
Respectively the voice coil loudspeaker voice coil has three magnetic gap relatively；And
A pair of conductive piece, is arranged at the support.
2. the Microspeaker with woofer drivers high according to claim 1, its feature
It is that the first central part of first vibrating diaphragm and the first outstanding edge are integral type structure.
3. the Microspeaker with woofer drivers high according to claim 2, its feature
It is that further the first central part top with respect to the respectively side voice coil loudspeaker voice coil in first vibrating diaphragm combines
There is mass.
4. the Microspeaker with woofer drivers high according to claim 1, its feature
It is that the first central part of first vibrating diaphragm and the first outstanding edge are separate structure.
5. the Microspeaker with woofer drivers high according to claim 4, its feature
It is that first central part is unlike material with the first outstanding edge, and makes first central part
Rigidity of the rigidity higher than the first outstanding edge.
6. it is according to any one of claim 1 to 5 to be raised with the miniature of woofer drivers high
Sound device, it is characterised in that second vibrating diaphragm has center projections body or depressed body.
7. the Microspeaker with woofer drivers high according to claim 6, its feature
It is that described to conducting strip, respectively the wire of the voice coil loudspeaker voice coil has three pairs of voice coil loudspeaker voice coil electrical connection table tops relatively,
And in the outside of the support there is a pair of outer signal to be electrically connected table top.
8. a kind of Microspeaker with woofer drivers high, it is characterised in that including：
One support；
One first vibrating diaphragm, edge is hanged comprising the first central part with around the first of first central part,
First central part has a through hole, and borrows the first outstanding edge outer peripheral edge to be incorporated into the support；
One second vibrating diaphragm, is placed in the through hole of first vibrating diaphragm, and comprising the second central part with around
Second outstanding edge of second central part, and be incorporated into this by means of the second outstanding edge outer peripheral edge and first shake
The through hole periphery of film, and the rigidity of second central part is made higher than the rigidity of first central part, and
Quality of the quality of second vibrating diaphragm less than first vibrating diaphragm；
Three driver elements, return system, in this with a central voice coil loudspeaker voice coil, an opposite side voice coil loudspeaker voice coil and a magnetic
Centre voice coil loudspeaker voice coil is combined with the second central part of second vibrating diaphragm with the junction bottom surface of the second outstanding edge, respectively
The side voice coil loudspeaker voice coil is each combined with the first vibrating diaphragm bottom surface, and the magnetic returns system and is incorporated into the support and phase
There are three magnetic gap to the respectively voice coil loudspeaker voice coil；And
A pair of conductive piece, is arranged at the support.
9. the Microspeaker with woofer drivers high according to claim 8, its feature
It is that the first central part of first vibrating diaphragm and the first outstanding edge are integral type structure.
10. the Microspeaker with woofer drivers high according to claim 9, it is special
Levy and be, further with respect to the respectively side voice coil loudspeaker voice coil in the first central part top knot of first vibrating diaphragm
Conjunction has a mass, and the junction of second vibrating diaphragm and first vibrating diaphragm is further provided with structure
Stiffener rings.
11. being raised one's voice with the miniature of woofer drivers high according to claim 8,9 or 10
Device, it is characterised in that the second central part of second vibrating diaphragm has center projections body or depressed body.
12. Microspeakers with woofer drivers high according to claim 11, it is special
Levy and be, respectively the wire of the voice coil loudspeaker voice coil has three pairs of voice coil loudspeaker voice coil electrical connection platforms to this pair of conducting strip relatively
Face, and in the outside of the support there is a pair of outer signal to be electrically connected table top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510867025.6A CN106817659B (en) | 2015-12-02 | 2015-12-02 | Microspeaker with high woofer drivers |
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| CN201510867025.6A CN106817659B (en) | 2015-12-02 | 2015-12-02 | Microspeaker with high woofer drivers |
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| CN106817659A true CN106817659A (en) | 2017-06-09 |
| CN106817659B CN106817659B (en) | 2019-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510867025.6A Expired - Fee Related CN106817659B (en) | 2015-12-02 | 2015-12-02 | Microspeaker with high woofer drivers |
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| CN107360509A (en) * | 2017-07-27 | 2017-11-17 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly technology |
| CN108337609A (en) * | 2018-01-04 | 2018-07-27 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN108810761A (en) * | 2018-06-25 | 2018-11-13 | 歌尔股份有限公司 | Loud speaker and portable terminal |
| US11889284B2 (en) | 2021-03-25 | 2024-01-30 | Sound Solutions International Co., Ltd. | Multi magnet electrodynamic acoustic transducer and electroacoustic system |
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| CN108337609A (en) * | 2018-01-04 | 2018-07-27 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN108810761A (en) * | 2018-06-25 | 2018-11-13 | 歌尔股份有限公司 | Loud speaker and portable terminal |
| US11889284B2 (en) | 2021-03-25 | 2024-01-30 | Sound Solutions International Co., Ltd. | Multi magnet electrodynamic acoustic transducer and electroacoustic system |
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| CN106817659B (en) | 2019-10-08 |
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Effective date of registration: 20190902 Address after: 12 Shunxing Five Road, Dajingtou Second Industrial Zone, Dalang Town, Dongguan City, Guangdong Province Applicant after: DONGGUAN SHUNHEFENG ELECTRIC CO.,LTD. Address before: 350 Shanying Road, Guishan District, Taoyuan City Applicant before: Fuyouhong Technology Co.,Ltd. |
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