CN105744445B - Coil and loudspeaker - Google Patents
Coil and loudspeaker Download PDFInfo
- Publication number
- CN105744445B CN105744445B CN201410742126.6A CN201410742126A CN105744445B CN 105744445 B CN105744445 B CN 105744445B CN 201410742126 A CN201410742126 A CN 201410742126A CN 105744445 B CN105744445 B CN 105744445B
- Authority
- CN
- China
- Prior art keywords
- coil
- winding layer
- wound section
- wound
- exit
- 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.)
- Active
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
- H04R9/046—Construction
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention discloses a kind of coil, and the coil has multiple winding layers, leading-in end of the end of inner most winding layer as coil, exit of the end of outermost winding layer as coil.The leading-in end is introduced from the top of coil.The outermost winding layer is wound into always the top of coil from the bottom of coil, so that Base top contact of the exit from coil.The outermost winding layer has the first wound section and the second wound section, the pitch of the pitch of the first wound section less than the second wound section in the short transverse of coil.In the present invention, since the leading-in end and exit of coil are all the Base top contacts from the separate magnet of coil, therefore, coil drive vibrating membrane when the vibrations are up and down, the exit of coil will not contact and collide magnet, to which noise will not be generated, the sound quality and reliability of loudspeaker are improved.In addition, invention additionally discloses a kind of loudspeakers including aforementioned coil.
Description
Technical field
The present invention relates to a kind of coil more particularly to a kind of coil in loudspeaker and including the loudspeaking of the coil
Device.
Background technique
Loudspeaker is a kind of audio output device.Loudspeaker generally comprises coil (or being voice coil), coil is arranged in
The vibrating membrane (or be cone) at top and be arranged in coil bottom magnet.When acoustic current-meter signal flows into coil, line
Circle can vibrate under the action of the magnetic field of magnet, and vibrating membrane is driven to vibrate, and then, vibrating membrane can be produced with the air of surrounding
Life is resonated (sympathetic response) and is made a sound.
Fig. 2 shows a kind of axial sectional view of 3.5 layer line circles 10 for loudspeaker in the prior art.
As shown in Fig. 2, in the prior art, coil 10 includes positioned at its inner most first winding layer 1, is wrapped in first
It the second winding layer 2 on winding layer 1, the third winding layer 3 being wrapped on the second winding layer 2 and is wrapped on third winding layer 3
Outermost winding layer 4.
It is shown in Fig. 2 in the prior art, the first winding layer 1, the second winding layer 2, third winding layer 3 are all in coil 10
Entire height on extend, and outermost winding layer 4 only extends to the middle part of coil 10 from the bottom of coil 10, that is, first
Winding layer 1, the second winding layer 2, third winding layer 3 height be equal to the entire height H of coil 10, and outermost winding layer 4
Height be substantially equal to coil 10 height H half.Therefore, in the prior art, this coil 10 shown in Fig. 2 is known as
3.5 layer line circles.
As shown in Fig. 2, leading-in end of the end of the first winding layer 1 (inner most winding layer) of coil 10 as coil 10
11, exit 12 of the end of outermost winding layer 4 as coil 10.The leading-in end 11 and exit 12 of coil 10 are for electricity
It is connected on the positive and negative anodes of external circuit, to form a closed circuit.
Fig. 1 shows a kind of main view of 3.5 layer line circles 10 for loudspeaker in the prior art, wherein showing magnet
20；Fig. 3 shows the winding schematic diagram of the outermost winding layer 4 of the coil 10 in Fig. 1.
As shown in Figure 1 to Figure 3, in existing 3.5 layer line circle 10, since outermost winding layer 4 is only wound into coil
Just towards the Base top contact of coil 10 at 10 half height, therefore, if Fig. 1 is clearly illustrated, the end of outermost winding layer 4
The position of the lower part 12a of (exit 12) is lower, very close to the magnet 20 for the bottom for being placed on coil 10, in about 10 coil
When vibration, the lower part 12a of the exit 12 of coil 10 is easy contact and collides magnet 20, this can interfere the vibration of coil 10,
Noise can be generated, the sound quality and reliability of loudspeaker are influenced.
Summary of the invention
The purpose of the present invention aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
One object of the present invention is intended to provide a kind of coil for loudspeaker, can effectively prevent drawing for coil
Magnet in end in contact loudspeaker out, to improve the sound quality and reliability of loudspeaker.
Technical solution of the present invention can be realized by following specific embodiments:
According to an aspect of the present invention, a kind of coil is provided, the coil is twined by a conducting wire with predetermined length
Around forming.The coil has multiple winding layers, leading-in end of the end of inner most winding layer as the coil, most external
Winding layer exit of the end as the coil.The coil has top and bottom, and the leading-in end is from the line
The top of circle introduces.The outermost winding layer is wound into always the top of the coil from the bottom of the coil, so that
Base top contact of the exit from the coil；And the outermost winding layer has in the short transverse of the coil
There are the first wound section and the second wound section, the pitch of first wound section is less than the section of second wound section
Away from.
The embodiment of an exemplary according to the present invention, the height of the first wound section of the outermost winding layer
Less than the entire height of the coil.
The embodiment of another exemplary according to the present invention, the height of the first wound section of the outermost winding layer
Degree is substantially equal to the half of the entire height of the coil.
The embodiment of another exemplary according to the present invention, the coil include the first winding positioned at its innermost layer
Layer, the second winding layer being wrapped on the first winding layer, the third winding layer that is wrapped on the second winding layer and it is wrapped in third
Outermost winding layer on winding layer.
The embodiment of another exemplary according to the present invention, first wound section are disposed adjacent to the coil
Bottom, and second wound section is disposed adjacent to the top of the coil.
The embodiment of another exemplary according to the present invention, first wound section are disposed adjacent to the coil
Top, and second wound section is disposed adjacent to the bottom of the coil.
The embodiment of another exemplary according to the present invention, first wound section are disposed adjacent to the coil
Middle part, and second wound section is arranged to two second including the bottom and top respectively close to the coil
Sub- wound section.
The embodiment of another exemplary according to the present invention, the pitch of second wound section are greater than described first and twine
Around twice of the pitch of part.
The embodiment of another exemplary according to the present invention, the conducting wire are externally coated with binder, adjacent winding
Layer is mutually bonded together by the binder.
According to another aspect of the present invention, a kind of loudspeaker is provided, comprising: magnet, for generating magnetic field；Coil is put
It sets in the magnetic field of the magnet, there is the leading-in end and exit being electrically connected respectively with external circuit；And vibrating membrane, it is fixed to
The coil.When acoustic current-meter signal inputs the coil via the leading-in end and exit, the coil is in the magnetic
It is vibrated under the action of, and the vibrating membrane is driven to vibrate, so that vibrating membrane and surrounding air are generated and resonated and sending sound
Sound.Wherein, the coil is limited by the embodiment of any one aforementioned exemplary, and the coil is arranged to its top far
From the magnet, bottom is close to the magnet.
The embodiment of an exemplary according to the present invention, the vibrating membrane are disposed adjacent to the top of the coil.
In above-mentioned each embodiment of the invention, since the leading-in end and exit of coil are all the separate magnetic from coil
The Base top contact of body, therefore, when coil moves up and down, the exit of coil will not contact and collide magnet, thus not
Noise can be generated, the sound quality and reliability of loudspeaker are improved.
By the description made for the present invention of below with reference to attached drawing, other objects and advantages of the present invention will be aobvious and easy
See, and can help that complete understanding of the invention will be obtained.
Detailed description of the invention
Fig. 1 shows a kind of main view of 3.5 layer line circles for loudspeaker in the prior art；
Fig. 2 shows a kind of axial sectional view of 3.5 layer line circles for loudspeaker in the prior art；
Fig. 3 shows the winding schematic diagram of the outermost winding layer of the coil in Fig. 1 and Fig. 2；
Fig. 4 shows the main view of the coil for loudspeaker of the embodiment of an exemplary according to the present invention；
Fig. 5 shows the axial sectional view of the coil for loudspeaker of the embodiment of an exemplary according to the present invention；
Fig. 6 shows the winding schematic diagram of the outermost winding layer of Fig. 4 and coil shown in fig. 5；
Fig. 7 shows that the outermost of the coil for loudspeaker of the embodiment of another exemplary according to the present invention twines
The winding schematic diagram of winding layer；With
Fig. 8 shows that the outermost of the coil for loudspeaker of the embodiment of another exemplary according to the present invention twines
The winding schematic diagram of winding layer.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Illustrating
In book, the same or similar drawing reference numeral indicates the same or similar component.Following reference attached drawings are to embodiment of the present invention
Illustrate to be intended to explain present general inventive concept of the invention, and is not construed as to a kind of limitation of the invention.
In addition, in the following detailed description, to elaborate many concrete details to provide to present disclosure convenient for explaining
The comprehensive understanding of embodiment.It should be apparent, however, that one or more embodiments without these specific details can also be with
It is carried out.In other cases, well known construction and device is diagrammatically embodied to simplify attached drawing.
General technical design according to the present invention, provides a kind of coil, and the coil has predetermined length by one
Conducting wire be entwined.The coil has multiple winding layers, introducing of the end of inner most winding layer as the coil
End, exit of the end of outermost winding layer as the coil.The coil has top and bottom, the leading-in end
It is introduced from the top of the coil.The outermost winding layer is wound into always the top of the coil from the bottom of the coil
Portion, so that Base top contact of the exit from the coil；And the outermost winding layer is in the height of the coil
There is the first wound section and the second wound section, the pitch of first wound section is less than second wound portion on direction
The pitch divided.
Another general technical design according to the present invention, provides a kind of loudspeaker, comprising: magnet, for generating magnetic field；
Coil is placed in the magnetic field of the magnet, has the leading-in end and exit being electrically connected respectively with external circuit；And vibration
Film is fixed to the coil.When acoustic current-meter signal inputs the coil via the leading-in end and exit, the coil
It is vibrated under the action of the magnetic field, and the vibrating membrane is driven to vibrate, so that vibrating membrane and surrounding air generate resonance
And it makes a sound.Wherein, the coil is limited by previous embodiment, and the coil is arranged to its top far from the magnetic
Body, bottom is close to the magnet.
The first embodiment of coil
Fig. 5 shows the axial section view of the coil 100 for loudspeaker of the embodiment of an exemplary according to the present invention
Figure.
In the embodiment of an example of the present invention, if Fig. 5 is clearly illustrated, a kind of line for loudspeaker is disclosed
Circle 100.The coil 100 is entwined by a conducting wire with predetermined length, and has multiple winding layers.In the implementation of diagram
In example, the coil 100 include positioned at its innermost layer the first winding layer (or for inner most winding layer) 101, be wrapped in the
The second winding layer 102 on one winding layer 101, the third winding layer 103 being wrapped on the second winding layer 102 and it is wrapped in
Outermost winding layer 104 on three winding layers 103.
In the embodiment of an example of the present invention, as shown in figure 5, the end conduct of inner most winding layer 101
The leading-in end 110 of coil 100, exit 120 of the end of outermost winding layer 104 as coil 100.Coil 100 draws
Enter end 110 and exit 120 for electrically connecting to external circuit, to form a closed circuit, in this way, acoustic current-meter signal
It can be via in 120 input coil 100 of leading-in end 110 and exit.
As shown in figure 5, coil 100 have top (top in Fig. 5) and bottom (lower part in Fig. 5), leading-in end 110 from
The top of coil 100 introduces.
Fig. 4 shows the main view of the coil 100 for loudspeaker of the embodiment of an exemplary according to the present invention；Figure
The winding schematic diagram of the outermost winding layer 104 of 6 display Fig. 4 and coil shown in fig. 5 100.
In the embodiment of an example of the present invention, as shown in Figure 4, Figure 5 and Figure 6, outermost winding layer 104 from
The bottom of coil 100 is wound into always the top of coil 100, so that Base top contact of the exit 120 from coil 100；And most
External winding layer 104 has the first wound section (or to be closely wound part) A and the in the short transverse of coil 100
Two wound sections (or being loose wound section) B, pitch of the pitch less than the second wound section B of the first wound section A.
Therefore, as shown in figure 4, in the illustrated embodiment, since the leading-in end 110 and exit 120 of coil 100 are all
From the Base top contact of the separate magnet 20 of coil 100, therefore, when coil 100 moves up and down, the exit 120 of coil 100
Magnet 20 will not be contacted and be collided, so that noise will not be generated, improves the sound quality and reliability of loudspeaker.
In the illustrated embodiment, as shown in Figures 4 to 6, the first winding layer 101, the second winding layer 102 and third winding
Layer 103 on the entire height H of coil 100 be all by with outermost winding layer 104 be closely wound part A it is identical in a manner of
Winding, that is, the first winding layer 101, the second winding layer 102 and third winding layer 103 are all on the entire height H of coil 100
It is closely wound.
As shown in Figure 4, Figure 5 and Figure 6, in the illustrated embodiment, since outermost winding layer 104 not only includes close
Wound section A further includes loose wound section B, and therefore, the height for being closely wound part A of outermost winding layer 104 is less than
The height H of entire coil 100.
In the embodiment of an example of the present invention, the pitch of the second wound section B can be greater than the first wound portion
Twice for dividing the pitch of A, for example, can be three times, four times, five times or bigger of the pitch of the first wound section A.
In the embodiment of an example of the present invention, the height of the first wound section A of outermost winding layer 104
It is substantially equal to the half of the entire height H of coil 100.Accordingly it is also possible to which the coil 100 of diagram is known as 3.5 layer line circles.
However, it is noted that the present invention is not limited to the embodiment of diagram, the first wound portion of outermost winding layer 104
Divide the height of A can be in the range of being greater than 0 and being less than the entire height H of coil 100.In this way, being had in coil 100 by one
In the case that the conducting wire of predetermined length is entwined, it can pass through the first wound section A's of the outermost winding layer 104 of adjusting
The entire height H that height carrys out regulating winding 100 can be realized the multiplicity of product so as to obtain the coil 100 of different height
Property.
In the embodiment of an example of the present invention, as shown in Figure 4, Figure 5 and Figure 6, the first wound section A is arranged
At the bottom of close coil 100, and the second wound section B is disposed adjacent to the top of coil 100.
In the embodiment of an example of the present invention, the outside of conducting wire can be coated with binder, in this way, adjacent twine
Winding layer 101,102,103,104 can be mutually bonded together by binder.In this way, being convenient for the manufacture of coil 100.
The second embodiment of coil
Fig. 7 shows the most external of the coil 200 for loudspeaker of the embodiment of another exemplary according to the present invention
Winding layer 204 winding schematic diagram.
The difference of the coil 100 of first embodiment shown in the coil 200 and fig. 4 to fig. 6 of second embodiment shown in Fig. 7
It is only that the winding of outermost winding layer is different.
As shown in fig. 7, the first wound section A is disposed adjacent to the top of coil 100 in the second embodiment of diagram
Portion, and the second wound section B is disposed adjacent to the bottom of coil 100.In addition to this, second embodiment shown in Fig. 7
Coil 200 and the coil 100 of first embodiment shown in fig. 4 to fig. 6 are essentially identical.
In second embodiment shown in Fig. 7, the leading-in end 210 and exit 220 of coil 200 are equally all from coil
The Base top contact of 200 separate magnet (referring to fig. 4) 20, therefore, when coil 200 moves up and down, the exit of coil 200
220 will not contact and collide magnet 20, so that noise will not be generated, improve the sound quality and reliability of loudspeaker.
The 3rd embodiment of coil
Fig. 8 shows the most external of the coil 300 for loudspeaker of the embodiment of another exemplary according to the present invention
Winding layer 304 winding schematic diagram.
The difference of the coil 100 of first embodiment shown in the coil 300 and fig. 4 to fig. 6 of 3rd embodiment shown in Fig. 8
It is only that the winding of outermost winding layer is different.
As shown in figure 8, the first wound section A is disposed adjacent in coil 100 in the 3rd embodiment of diagram
Portion, and the second wound section B is arranged to two the second sub- wound portions including the bottom and top respectively close to coil 100
Divide B1, B2.In addition to this, the coil of the coil 300 of 3rd embodiment shown in Fig. 8 and first embodiment shown in fig. 4 to fig. 6
100 is essentially identical.
In 3rd embodiment shown in Fig. 8, the leading-in end 310 and exit 320 of coil 300 are equally all from coil
The Base top contact of 300 separate magnet (referring to fig. 4) 20, therefore, when coil 300 moves up and down, the exit of coil 300
320 will not contact and collide magnet 20, so that noise will not be generated, improve the sound quality and reliability of loudspeaker.
The embodiment of loudspeaker
In the embodiment of an example of the present invention, a kind of loudspeaker is disclosed, the loudspeaker mainly include shell (not
Diagram) and receiving magnet 20 (referring to fig. 4) in the housing, vibrating membrane (not shown) and any one aforementioned embodiment described in
Coil 100,200,300.
In the embodiment of an example of the present invention, for example, referring to figure 4. to Fig. 6, coil 100 have respectively with
The leading-in end 110 and exit 120 of external circuit electrical connection (not shown), to form closed circuit.When acoustic current-meter signal
When via 120 input coil 100,200,300 of leading-in end 110 and exit, coil 100 is sent out under the action of the magnetic field of magnet 20
Raw vibration, and vibrating membrane is driven to vibrate, so that vibrating membrane generates resonance with surrounding air and makes a sound.
In the embodiment of an example of the present invention, continuing with referring to fig. 4, magnet 20 is disposed adjacent to coil
100 bottom, vibrating membrane are disposed adjacent to the top of coil 100.In the illustrated embodiment, as shown in figure 4, coil 100
Leading-in end 110 and exit 120 be all from the Base top contact of the separate magnet 20 of coil 100, therefore, in about 100 coil
When movement, the exit 120 of coil 100 will not contact and collide magnet 20, so that noise will not be generated, improve loudspeaking
The sound quality and reliability of device.
In the embodiment of an example of the present invention, the coil 100 for loudspeaker can be 3.5 layer line circles, that is,
Coil 100 includes four winding layers 101,102,103,104 altogether from inside to outside, and outermost winding layer 104 is closely wound
The height of part A is substantially equal to the half of the height H of entire coil 100.
According to test, 3.5 layer line circles of the invention are compared with 4 traditional layer line circles, in the conducting wire for wound around coil
In the identical situation of length, therefore the height that the height of 3.5 layer line circles is greater than 4 traditional layer line circles can not increase coil
Weight and resistance in the case where, the performance of coil is improved, for example, the intrinsic frequency of 3.5 layer line circles can be than 4 traditional layer lines
Circle increases about 10HZ, and the sensitivity of 3.5 layer line circles can be than 4 traditional layer line circle increase about 0.2dB.
Although in conjunction with attached drawing, the present invention is described, and embodiment disclosed in attached drawing is intended to reality of the invention
The mode of applying illustrates, and should not be understood as to a kind of limitation of the invention.
Although some embodiments of this present general inventive concept have been shown and have illustrated, those of ordinary skill in the art will be managed
Solution can make a change these embodiments in the case where the principle and spirit without departing substantially from this present general inventive concept, of the invention
Range is limited with claim and their equivalent.
It should be noted that herein, word " comprising " is not excluded for other element or steps, and word "a" or "an" is not excluded for
It is multiple.In addition, the range that any element label of claim should not be construed as limiting the invention.
Claims (11)
1. a kind of coil (100), the coil (100) is entwined by a conducting wire with predetermined length,
The coil (100) has multiple winding layers, and the end of inner most winding layer (101) is as the coil (100)
Leading-in end (110), exit (120) of the end of outermost winding layer (104) as the coil (100),
The coil (100) has top and bottom, and the leading-in end (110) introduces from the top of the coil (100),
It is characterized by:
The outermost winding layer (104) is wound into always the top of the coil (100) from the bottom of the coil (100)
Portion, so that Base top contact of the exit (120) from the coil (100)；And
The outermost winding layer (104) has the first wound section in the short transverse of the coil (100)
(A) and the second wound section (B), the pitch of first wound section (A) are less than second wound section
(B) position of pitch, first wound section (A) can be adjusted in the short transverse of the coil (100).
2. coil according to claim 1, it is characterised in that:
The height of the first wound section (A) of the outermost winding layer (104) is the entire height of the coil (100)
(H) 0.1 to 0.9 times.
3. coil according to claim 2, it is characterised in that:
The height of the first wound section (A) of the outermost winding layer (104) is substantially equal to the entire of the coil (100)
The highly half of (H).
4. coil according to claim 3, it is characterised in that:
The coil (100) includes the first winding layer (101) for being located at its innermost layer, is wrapped on the first winding layer (101)
Second winding layer (102), the third winding layer (103) being wrapped on the second winding layer (102) and it is wrapped in third winding layer
(103) the outermost winding layer (104) on.
5. coil described in any one of -4 according to claim 1, it is characterised in that:
First wound section (A) is disposed adjacent to the bottom of the coil (100), and second wound section
(B) it is disposed adjacent to the top of the coil (100).
6. coil described in any one of -4 according to claim 1, it is characterised in that:
First wound section (A) is disposed adjacent to the top of the coil (100), and second wound section
(B) it is disposed adjacent to the bottom of the coil (100).
7. coil described in any one of -4 according to claim 1, it is characterised in that:
First wound section (A) is disposed adjacent to the middle part of the coil (100), and
Second wound section (B) is arranged to two including the bottom and top respectively close to the coil (100)
Two sub- wound sections (B1, B2).
8. coil described in any one of -4 according to claim 1, it is characterised in that:
The pitch of second wound section (B) is greater than twice of the pitch of first wound section (A).
9. coil described in any one of -4 according to claim 1, it is characterised in that:
The conducting wire is externally coated with binder, and adjacent winding layer is mutually bonded together by the binder.
10. a kind of loudspeaker, comprising:
Magnet (20), for generating magnetic field；
Coil (100), is placed in the magnetic field of the magnet (20)；With
Vibrating membrane is fixed to the coil (100),
It is characterized by:
The coil (100) is limited by any one of preceding claims 1-9, and the coil (100) is arranged to
Its top is far from the magnet (20), and bottom is close to the magnet (20).
11. loudspeaker according to claim 10, it is characterised in that: the vibrating membrane is disposed adjacent to the coil
(100) top.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742126.6A CN105744445B (en) | 2014-12-08 | 2014-12-08 | Coil and loudspeaker |
| PCT/CN2015/095497 WO2016091066A1 (en) | 2014-12-08 | 2015-11-25 | Voice coil and speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742126.6A CN105744445B (en) | 2014-12-08 | 2014-12-08 | Coil and loudspeaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105744445A CN105744445A (en) | 2016-07-06 |
| CN105744445B true CN105744445B (en) | 2019-07-12 |
Family
ID=56106673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410742126.6A Active CN105744445B (en) | 2014-12-08 | 2014-12-08 | Coil and loudspeaker |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105744445B (en) |
| WO (1) | WO2016091066A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214429708U (en) * | 2020-09-22 | 2021-10-19 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN112165677B (en) * | 2020-10-29 | 2022-04-26 | 瑞声新能源发展(常州)有限公司科教城分公司 | Winding method and winding device of double voice coils |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2445538Y (en) * | 2000-08-25 | 2001-08-29 | 詹晏祯 | Improved structure of loudspeaker voice coil |
| US6292079B1 (en) * | 2000-09-08 | 2001-09-18 | Yen-Chen Chan | Coil assembly of speaker |
| JP2005184589A (en) * | 2003-12-22 | 2005-07-07 | Matsushita Electric Ind Co Ltd | Voice coil for electroacoustic transducer, electroacoustic transducer employing the voice coil, and electronic device and apparatus employing electroacoustic transducer |
| CN102523545A (en) * | 2011-12-27 | 2012-06-27 | 楼氏电子（北京）有限公司 | Voice coil and formation method and application thereof |
| CN202435596U (en) * | 2011-12-27 | 2012-09-12 | 楼氏电子（北京）有限公司 | Voice coil |
| CN204244469U (en) * | 2014-12-08 | 2015-04-01 | 楼氏电子（北京）有限公司 | Coil and loud speaker |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202799122U (en) * | 2012-08-22 | 2013-03-13 | 歌尔声学股份有限公司 | Loudspeaker device |
-
2014
- 2014-12-08 CN CN201410742126.6A patent/CN105744445B/en active Active
-
2015
- 2015-11-25 WO PCT/CN2015/095497 patent/WO2016091066A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2445538Y (en) * | 2000-08-25 | 2001-08-29 | 詹晏祯 | Improved structure of loudspeaker voice coil |
| US6292079B1 (en) * | 2000-09-08 | 2001-09-18 | Yen-Chen Chan | Coil assembly of speaker |
| JP2005184589A (en) * | 2003-12-22 | 2005-07-07 | Matsushita Electric Ind Co Ltd | Voice coil for electroacoustic transducer, electroacoustic transducer employing the voice coil, and electronic device and apparatus employing electroacoustic transducer |
| CN102523545A (en) * | 2011-12-27 | 2012-06-27 | 楼氏电子（北京）有限公司 | Voice coil and formation method and application thereof |
| CN202435596U (en) * | 2011-12-27 | 2012-09-12 | 楼氏电子（北京）有限公司 | Voice coil |
| CN204244469U (en) * | 2014-12-08 | 2015-04-01 | 楼氏电子（北京）有限公司 | Coil and loud speaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105744445A (en) | 2016-07-06 |
| WO2016091066A1 (en) | 2016-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPWO2009016743A1 (en) | Speaker device | |
| CN108566596B (en) | Voice coil winding method, voice coil and acoustic generator with voice coil | |
| JP6399390B2 (en) | Speakers and AV equipment | |
| US8160291B2 (en) | Voice coil and speaker | |
| JP2013051499A (en) | Speaker | |
| CN102480669A (en) | Micro-speaker | |
| CN111654792A (en) | Voice coil and sound generating device | |
| CN204244469U (en) | Coil and loud speaker | |
| JP4790452B2 (en) | Voice coil bobbin and speaker device | |
| CN105744445B (en) | Coil and loudspeaker | |
| CN103096224A (en) | Moving-magnetic type speaker | |
| CN105681979A (en) | Loudspeaker | |
| CN204157049U (en) | Multitone ring is coaxially with source of sound loud speaker | |
| WO2017166375A1 (en) | Voice coil and miniature loudspeaker provided with voice coil | |
| CN105848064B (en) | Double magnetic gap magnetic circuit systems and loudspeaker with double magnetic gap magnetic circuit systems | |
| CN112055289B (en) | Voice coil and sound generating device | |
| KR101150508B1 (en) | Speaker frame and speaker using the same | |
| CN103781002A (en) | Multi-vibrating-diaphragm loudspeaker | |
| CN103297905A (en) | Horn device capable of reducing resonance voice | |
| CN106028234A (en) | Vibration diaphragm and single loudspeaker | |
| US20140376759A1 (en) | Loudspeaker having carbon nanotubes | |
| US20240155294A1 (en) | Sound-producing device and electronic terminal | |
| US1980957A (en) | Electro-acoustic device | |
| KR101258205B1 (en) | Voice coil for making vibration part of speaker slim and light | |
| US20150365767A1 (en) | Voice coil and micro-speaker using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information |
Address after: 100176 Beijing City Tongji economic and Technological Development Zone, Road No. 20 Applicant after: Alpha Technology (Beijing) Co., Ltd. Address before: 100176 Beijing City Economic Development Zone, Tongji Road No. 20 Applicant before: Knowles Electronics (Beijing) Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220303 Address after: 212000 4 4 Yangtze River Road, Dagang street, Zhenjiang New District, Jiangsu Patentee after: SOUND SOLUTIONS AUSTRIA GmbH Address before: 100176 No.20, Tongji South Road, Beijing Economic and Technological Development Zone Patentee before: SOUND SOLUTIONS INTERNATIONAL Co.,Ltd. |
|
| TR01 | Transfer of patent right |