CN205921739U - Speaker and wearable equipment - Google Patents
Speaker and wearable equipment Download PDFInfo
- Publication number
- CN205921739U CN205921739U CN201620695754.8U CN201620695754U CN205921739U CN 205921739 U CN205921739 U CN 205921739U CN 201620695754 U CN201620695754 U CN 201620695754U CN 205921739 U CN205921739 U CN 205921739U
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- Prior art keywords
- cylindrical
- ring
- speaker
- described ring
- permanent magnet
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Classifications
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- 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
-
- 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
Abstract
The utility model provides a speaker and wearable equipment, wherein, the speaker includes: hooped column shape film, hooped column shape permanent magnet, hooped column shape soft magnetic, hooped column shape film is connected with hooped column shape permanent magnet, is located the outer wall of hooped column shape permanent magnet, and hooped column shape soft magnet nestification is in the inner wall of hooped column shape permanent magnet, the magnetic field that hooped column shape soft magnet produced and the magnetism field interactions of hooped column shape permanent magnet production. Through the utility model discloses, the problem that speaker loudness is not high of wearable equipment in the solution correlation technique.
Description
Technical field
This utility model is related to smart machine field, in particular to a kind of speaker and wearable device.
Background technology
Intelligent watch in correlation technique, the input and output of its audio frequency are generally adopted by single speaker, and design is raised one's voice
Device is the mode that side goes out sound, and so, when playing music, loudness is not high enough, can have preferable music sense against speaker sender
Be subject to, and other directions then experience poor, impact user be not only to listen music, receive calls, also usually listen wechat voice etc.
Need speaker be aligned ear could listen and must will be apparent that.
General intelligent wristwatch in correlation technique is very close in appearance with common watch, and speaker (speaker) goes out
Sound mode is also all to select single speaker side to go out sound, or bottom goes out sound, sonority to increase, and some schemes are speaker
Open larger hole, or allow speaker to go out sound on dial plate to increase Consumer's Experience sense.
And the technique scheme in correlation technique is by speaker, just sound hole increases and uses powerful speaker
Power amplifier, to improve loudness, thus must have very big sound cavity volume, design and necessarily affect outward appearance and whole watch volume,
In addition, though this scheme can increase loudness, but the experience of user's 3 D stereo is still bad；Other schemes have selection single
Individual speaker is placed on Watch dail plate certain, by the way of above going out sound, although so going out the such Consumer's Experience of sound relatively than side
Good, but the impression in loudness is not still good.
For the above-mentioned technical problem in correlation technique, effective solution is not yet proposed at present.
Content of the invention
This utility model embodiment provides a kind of speaker and wearable device, at least to solve can wear in correlation technique
Wear the not high problem of the speaker loudness of equipment.
According to an embodiment of the present utility model, there is provided a kind of speaker, comprising: Ring-cylindrical thin film, Ring-cylindrical is forever
Magnet, Ring-cylindrical soft magnetic bodies；Ring-cylindrical thin film is connected with Ring-cylindrical permanent magnet, positioned at the outer wall of Ring-cylindrical permanent magnet, Ring-cylindrical
Soft magnet is nested in the inwall of Ring-cylindrical permanent magnet, the magnetic field that the magnetic field that Ring-cylindrical soft magnet produces is produced with Ring-cylindrical permanent magnet
Interact.
Alternatively, above-mentioned Ring-cylindrical soft magnet includes: coil and Ring-cylindrical magnetic core, and wherein, coil passes through from top to bottom, certainly
The mode of from left to right is wrapped on Ring-cylindrical magnetic core.
Alternatively, the width of the width of Ring-cylindrical magnetic core and Ring-cylindrical permanent magnet is equal.
Alternatively, the width of the width of Ring-cylindrical thin film and Ring-cylindrical permanent magnet is equal.
Alternatively, Ring-cylindrical thin film is provided with Air Filter.
Alternatively, Ring-cylindrical thin film is provided with one or more conductive central point, wherein, Ring-cylindrical thin film passes through
One or more conductive central point is connected with Ring-cylindrical permanent magnet.
Alternatively, the end face of Ring-cylindrical thin film is provided with one or more sender.
Alternatively, above-mentioned speaker also includes: ring for fixing, for by Ring-cylindrical thin film, Ring-cylindrical permanent magnet and Ring-cylindrical
Soft magnetic bodies are fixed together.
According to another embodiment of the present utility model, there is provided a kind of wearable device, comprising: above-mentioned speaker,
Wearable device body and wearable part；Wherein, wearable device body is nested on the inwall of Ring-cylindrical soft magnetic bodies.
Alternatively, the end face at sender place of speaker and the upper surface of wearable device body are in the same side.
By this utility model, because the speaker of design is the speaker of circular cylindrical, when Ring-cylindrical soft magnet produces
Magnetic field and Ring-cylindrical permanent magnet produce magnetic field interaction when produce the thrust promoting Ring-cylindrical permanent magnet movement, and annulated column
Shape thin film is connected with Ring-cylindrical permanent magnet, and then the motion of Ring-cylindrical permanent magnet drives Ring-cylindrical vibration of thin membrane, produces sound, and shape
The column shape speaker becoming increased corresponding sound cavity volume, can produce higher loudness, therefore, it can solve correlation technique
The not high problem of the speaker loudness of middle wearable device.
Brief description
Accompanying drawing described herein is used for providing further understanding to of the present utility model, constitutes the part of the application,
Schematic description and description of the present utility model is used for explaining this utility model, does not constitute to of the present utility model improper
Limit.In the accompanying drawings:
Fig. 1 is the structured flowchart of the speaker according to this utility model embodiment；
Fig. 2 is the structural representation of the Ring-cylindrical soft magnet 4 providing according to embodiments of the present invention；
Fig. 3 is the schematic diagram of the winding mode of the coil according to this utility model preferred embodiment；
Fig. 4 is the schematic diagram of the isolating construction of the watch according to this utility model preferred embodiment；
Fig. 5 is the upper surface schematic diagram of the watch according to this utility model preferred embodiment；
Fig. 6 (a) is the toroidal core schematic diagram according to this utility model preferred embodiment；
Fig. 6 (b) is the schematic diagram of wound around coil on toroidal core according to this utility model preferred embodiment；
Fig. 7 is the signal of wound around coil on Ring-cylindrical permanent magnet and toroidal core according to this utility model preferred embodiment
Figure；
Fig. 8 is to be wound around according on the columnar thin-film of this utility model alternative embodiment, Ring-cylindrical permanent magnet and toroidal core
The schematic diagram of coil.
Specific embodiment
To describe this utility model in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that not rushing
In the case of prominent, the embodiment in the application and the feature in embodiment can be mutually combined.
It should be noted that term " first " in specification and claims of the present utility model and above-mentioned accompanying drawing,
" second " etc. is for distinguishing similar object, without for describing specific order or precedence.
Embodiment 1
Provide a kind of speaker in the present embodiment, Fig. 1 is the structure of the speaker according to this utility model embodiment
Block diagram, as shown in figure 1, this speaker includes: Ring-cylindrical thin film 2, Ring-cylindrical permanent magnet 3, Ring-cylindrical soft magnetic bodies 4；Ring-cylindrical is thin
Film 2 is connected with Ring-cylindrical permanent magnet 3, and positioned at the outer wall of Ring-cylindrical permanent magnet 3, Ring-cylindrical soft magnet 4 is nested in Ring-cylindrical permanent magnetism
The inwall of ferrum 3, the magnetic field interaction that the magnetic field that Ring-cylindrical soft magnet 4 produces is produced with Ring-cylindrical permanent magnet 3.
This utility model provides the speaker that the speaker of meter is the circular cylindrical of closing, when Ring-cylindrical soft magnet 4 produces
Magnetic field and Ring-cylindrical permanent magnet 3 produce magnetic field interaction when produce the thrust promoting Ring-cylindrical permanent magnet 3 movement, and ring
Cylindricality thin film 2 is connected with Ring-cylindrical permanent magnet 3, and then Ring-cylindrical permanent magnet 3 motion drives Ring-cylindrical thin film 2 to vibrate, generation sound
Sound, column shape speaker increased corresponding sound cavity volume, can produce higher loudness, therefore, it can solve correlation technique
The not high problem of the speaker loudness of middle wearable device.
It should be noted that above-mentioned Ring-cylindrical permanent magnet 3 can be that material is lighter, the preferable permanent magnet of conductive performance, but
It is not limited to this.
Fig. 2 is the structural representation of Ring-cylindrical soft magnet 4 provided in an embodiment of the present invention, and above-mentioned Ring-cylindrical soft magnet 4 wraps
Include: coil 42 and Ring-cylindrical magnetic core 44, wherein, coil 42 by from top to bottom, from left to right by way of be wrapped in Ring-cylindrical magnetic
On core 44.
It should be noted that above-mentioned Ring-cylindrical magnetic core 44 can be non-magnetic soft magnetic materials, such as FERRITE CORE, ferrum
Sial magnetic core etc., but it is not limited to this.
It should be noted that using the winding mode in the present embodiment, the speaker in the present embodiment can be used for
When on wearable device such as watch, can be easier to be designed to just go out sound mode, and then user can be increased to sound perspective
Demand.
It should be noted that the width of the width of above-mentioned Ring-cylindrical magnetic core 44 and Ring-cylindrical permanent magnet 3 is equal.Above-mentioned annulated column
The width of the width of shape thin film 2 and Ring-cylindrical permanent magnet 3 is equal.
It is provided with Air Filter on above-mentioned Ring-cylindrical thin film 2.One or more conduction is provided with above-mentioned Ring-cylindrical thin film 2
Central point, wherein, Ring-cylindrical thin film 2 is connected with Ring-cylindrical permanent magnet 3 by one or more conductive central point.Ring-cylindrical
One or more sender is provided with the end face of thin film 2.Above-mentioned conductive central point can be evenly distributed on described Ring-cylindrical
On thin film 2, but it is not limited to this.
In one embodiment of the invention, above-mentioned speaker can also include: ring for fixing, for by Ring-cylindrical thin film 2,
Ring-cylindrical permanent magnet 3 and Ring-cylindrical soft magnetic bodies 4 are fixed together.
It should be noted that above-mentioned ring for fixing can be one or multiple, such as, can with two ring for fixings,
One ring for fixing, positioned at this speaker outermost below, another ring for fixing may be located at speaker outermost on
Face, two ring for fixings can be nested, but is not limited to this.
It should be noted that above-mentioned ring for fixing can be the ring for fixing of rubber ring or other materials, but do not limit
In this.
Above-mentioned speaker can apply to wearable device, such as watch etc., but is not limited to this.
It should be noted that when above-mentioned speaker is located on wearable device, this wearable device body is nested in
State on the inside of Ring-cylindrical soft magnet 4.End face and the upper surface of wearable device body that the sender of above-mentioned speaker is located
Positioned at the same side, and then can ensure that wearable device by the way of just going out sound, can improve sense of reality and the sound of sound
The loudness of sound.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned enforcement
The method of example can be realized by the mode of software plus necessary general hardware platform naturally it is also possible to pass through hardware, but a lot
In the case of the former is more preferably embodiment.Based on such understanding, the technical solution of the utility model is substantially right in other words
What prior art contributed partly can be embodied in the form of software product, and this computer software product is stored in one
In storage medium (as rom/ram, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone,
Computer, server, or network equipment etc.) execution each embodiment of this utility model described in method.
Embodiment 2
Additionally provide a kind of wearable device in the present embodiment, this wearable device includes raising in above-described embodiment 1
Sound device, wearable device body and wearable part, wherein, above-mentioned wearable device body is nested in above-mentioned Ring-cylindrical soft magnetic bodies
On inwall.
The end face at sender place of above-mentioned speaker and the upper surface of above-mentioned wearable device body are in the same side.
Wearable device in correlation technique, is limited to the restriction of watch volume taking watch as a example, and speaker cavity can not do
Very big, and in order to attractive in appearance, speaker is typically placed in the side of watch, that is, by the way of side goes out sound, so brings
Drawback is exactly the sound that human ear can not really be experienced it and play back, and the loudness of sound is also not high enough；It is directed to this, this practicality
The wearable device of new offer, by the way of just going out sound, to improve the demand to sound perspective for the user, meanwhile, by
Increase column volume around watch, form the sound cavity volume to increase speaker for the mode of the column speaker of a closing, from
And sound intensity can be increased, need in appearance, using narrower cylindricality, while so not affecting the appearance, sound can be increased
Sense of reality and sound loudness.
In order to more fully understand this utility model, below in conjunction with preferred embodiment, this utility model is done and solve further
Release.
This utility model provides a kind of preferred intelligent wristwatch, and the core of this preferred embodiment is to solve intelligent wristwatch
Upper user, for music, receives calls, and when playing wechat voice etc., loudness is not high and stereoscopic experience sense is poor；By
Increase ring-shaped speaker (speaker) at the surrounding edge of watch to improve these；I.e. the outermost layer in watch individually leaves
Narrower column is described long-pending, inside column from top to bottom, is tied with coil from left to right, is annular permanent-magnet material, forever above coil
It is thin film above magnetic material, outermost layer is Air Filter, thin film is exactly vibration source, the pitman with permanent magnetism of precise structure
It is transmitted to the central point of annular membrane, flow through loop using electric current and produce magnetic field, magnetic field and permanent magnet material interact, and promote
Connect rod motion, thus vibration of thin membrane produces sound；So because cavity is sufficiently large, using powerful power amplifier and speaker,
Higher loudness can be produced；Further, since be just going out sound and sender in watch dial plate around a circle, by increasing capacitance it is possible to increase user is three-dimensional
Sense impression, increases Consumer's Experience.
The installation process of this preferred intelligent wristwatch is as follows:
The first step: according to intelligent wristwatch outward appearance and tectonic sieving, increase narrower circular cylindrical volume on watch annular top layer；
Second step: in column volume from top to bottom, wound around coil from left to right；
3rd step: in the accurate annular pitman with permanent magnetism of the upper strata displacement structure of coil, annular membrane is put
Put above pitman, annular membrane uniformly takes central point conduct with pitman；
4th step: flow through loop using electric current and produce magnetic field, magnetic field and pitman interact, and promote pitman fortune
Dynamic, thus annular membrane vibration sends sound；
5th step: for the watch of retainer ring column speaker and the inside, top increased stationary annular circle, uses ring below
Shape rubber ring is fixed.
This utility model describes a kind of to go out sound using annular speaker and lift user intelligent wristwatch is gone out with the sense of sonority
It is subject to, and increase the third dimension to sound for the user；General watch uses the mode that side goes out sound, and that is, speaker is placed on wrist
The side of table, and general the side of watch is provided with an aperture or the mode of several aperture goes out sound, going out sound area can compare
Less, which limit sound chamber size, thus loudness is not high enough；And be spiral shell from bottom to top for common coil-winding mode
The mode of rotating rising, due to needing using just going out sound mode in watch project, the magnetic field that permanent magnet material produces is wanted and coil
The tangent generation motive force of the middle sense of current, promotes the motion of permanent magnetism pitman, thus the annular membrane vibration conducted therewith is sent out
Raw, therefore do not adopt the winding mode of top-down spiral escalation in this utility model；The coiling of the present embodiment coil
Mode adopts scheme as shown in Figure 3；Overall embodiment is as shown in figure 4, there are 6 little modules in Fig. 4: module 1 represents
Ring for fixing above outer layer, module 5 represents the fixing rubber ring below outermost layer, and module 2 represents that the speaker with Air Filter shakes
Film, module 3 represents permanent magnet, and it is placed on the centre of vibrating diaphragm and coiling, and module 4 represents in non-magnetic soft magnetic materials, such as
Around copper enamel-covered wire above FERRITE CORE, module 6 represents watch itself；The upper surface of the watch gauge outfit after overall assembling regards
Figure is as shown in figure 5, be exactly annular proposed by the invention with the foraminate annular at narrow circle place and its annular of corresponding lower section
Speaker, middle circle is watch, and outermost layer is ring for fixing；It is embodied as follows:
One: the winding mode of coil
For general watch, the width leaving annular speaker layout for can be arranged on about 3 mm wides, height and wrist
Table removes the highly consistent of upper lower casing；Because speaker needs just to go out sound, therefore we need using coil as shown in Figure 5 around
Line mode, that is, from top to bottom, copper enamel-covered wire is wound in copper post mode from left to right, can select the material right and wrong of inductance
Metal, non-magnetic soft magnetic materials, respectively FERRITE CORE, sendust core etc. as shown in Fig. 6 (a) and 6 (b), Fig. 6
A () represents non-magnetic toroidal core, thickness about 3mm, Fig. 6 (b) represent wound around coil on magnetic core.
Two: the placement of permanent magnet and requirement
Annular speaker is stronger compared to common loudspeaker sound third dimension in design, preferably solves for sound again
Analysis power, is placed above the permanent magnet of annular it is desirable to material is lighter in the toroidal core being tied with coil, and conductive performance preferably, and twines
Around the toroidal core identical width of coil, as shown in fig. 7, the left side is Ring-cylindrical permanent magnet, the right be coiling not
Permeability magnetic material, with respect to non-magnetic circular column, permanent magnetic ring-shaped pillar height degree is relatively low and relatively high magnetism；
Three: the vibration film of annular speaker
Place the columnar thin-film of same widths above permanent magnet, be divided into several conductive central points, corresponding
It is connected with annular permanent-magnet material at same position, in order to promote vibration of thin membrane sounding, as shown in figure 8, module 2 represents with dust-proof
The diaphragm of loudspeaker of net, its conductive central point is connected with module 3 permanent magnet, and module 3 is placed on the module 4 not magnetic conduction being wound with coil
Above material；It is dial plate in the middle of annular speaker, the narrower circle of surrounding is the Air Filter of annular membrane outer layer, by being full of coil
Toroidal core and annular permanent magnet, annular membrane, annular Air Filter just constitutes simple circular cylindrical speaker, to line
After circle power supply, it is tangent that alternating current produces the magnetic field that the permanent magnet above electromagnetic field and coil produces, and will produce thrust, promotion is forever
The regular vibration of magnet, and then carries out regular vibration with the thin film of permanent magnet phase conduction, thus producing sound；Annular is raised
In the combination outward appearance on watch as shown in figure 8, being annular speaker around dial plate, central authorities are annular dial plates to sound device.
It should be noted that for having required larger loudness at the same time it is wished that sound sense of reality, the stronger watch item of third dimension
Mesh and other Intelligent worn device, can be in the way of being centered around surrounding, at the end of user's custom employing using annular speaker
Using just first sound under the hand-held or wearing mode in end, to improve sound sense of reality and sound intensity, Consumer's Experience can be increased.
Obviously, those skilled in the art should be understood that above-mentioned of the present utility model each module or each step can be used
Realizing, they can concentrate on single computing device general computing device, or is distributed in multiple computing device institutes
Composition network on, alternatively, they can be realized with the executable program code of computing device, it is thus possible to by they
Storage to be executed by computing device in the storage device, and in some cases, can be with different from order execution herein
Shown or described step, or they are fabricated to respectively each integrated circuit modules, or by the multiple moulds in them
Block or step are fabricated to single integrated circuit module to realize.So, this utility model be not restricted to any specific hardware and
Software combines.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvement made etc., should be included within protection domain of the present utility model.
Claims (10)
1. a kind of speaker is it is characterised in that include: Ring-cylindrical thin film, Ring-cylindrical permanent magnet, Ring-cylindrical soft magnetic bodies；Described ring
Cylindricality thin film is connected with described Ring-cylindrical permanent magnet, and positioned at the outer wall of described Ring-cylindrical permanent magnet, described Ring-cylindrical soft magnet is embedding
It is enclosed within the inwall of described Ring-cylindrical permanent magnet, the magnetic field that described Ring-cylindrical soft magnet produces is produced with described Ring-cylindrical permanent magnet
Magnetic field interaction.
2. speaker according to claim 1 is it is characterised in that also include: described Ring-cylindrical soft magnet includes: coil and
Ring-cylindrical magnetic core, wherein, described coil by from top to bottom, from left to right by way of be wrapped on described Ring-cylindrical magnetic core.
3. speaker according to claim 2 it is characterised in that the width of described Ring-cylindrical magnetic core and described Ring-cylindrical forever
The width of Magnet is equal.
4. speaker according to claim 1 it is characterised in that the width of described Ring-cylindrical thin film and described Ring-cylindrical forever
The width of Magnet is equal.
5. speaker according to claim 1 is it is characterised in that be provided with Air Filter on described Ring-cylindrical thin film.
6. speaker according to claim 1 is it is characterised in that be provided with one or more on described Ring-cylindrical thin film
Conductive central point, wherein, on described Ring-cylindrical thin film by one or more of conductive central points with described Ring-cylindrical forever
Magnet connects.
7. speaker according to claim 1 it is characterised in that be provided with the end face of described Ring-cylindrical thin film one or
The multiple sender of person.
8. speaker according to any one of claim 1 to 7 is it is characterised in that also include: ring for fixing, for by institute
State Ring-cylindrical thin film, described Ring-cylindrical permanent magnet and described Ring-cylindrical soft magnetic bodies to be fixed together.
9. a kind of wearable device is it is characterised in that include: speaker any one of claim 1 to 8, wearable
Apparatus body and wearable part；Wherein, described wearable device body is nested on the inwall of described Ring-cylindrical soft magnetic bodies.
10. wearable device according to claim 9 it is characterised in that described speaker sender be located end face
With the upper surface of described wearable device body in the same side.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695754.8U CN205921739U (en) | 2016-07-04 | 2016-07-04 | Speaker and wearable equipment |
| PCT/CN2016/108596 WO2018006544A1 (en) | 2016-07-04 | 2016-12-05 | Loudspeaker and wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620695754.8U CN205921739U (en) | 2016-07-04 | 2016-07-04 | Speaker and wearable equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205921739U true CN205921739U (en) | 2017-02-01 |
Family
ID=57874445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620695754.8U Active CN205921739U (en) | 2016-07-04 | 2016-07-04 | Speaker and wearable equipment |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN205921739U (en) |
| WO (1) | WO2018006544A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107040854A (en) * | 2017-04-28 | 2017-08-11 | 北京欧意智能科技有限公司 | Annular omnidirectional loudspeaker and audio amplifier |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2569479Y (en) * | 2002-09-03 | 2003-08-27 | 深圳市鸿瀚实业发展有限公司 | Closing magnetic path structure of speaker |
| JP2007074378A (en) * | 2005-09-07 | 2007-03-22 | Pioneer Electronic Corp | Magnetic circuit for speaker device and speaker device |
| CN102547513A (en) * | 2012-01-06 | 2012-07-04 | 姜福文 | Voice coil voice film earphone |
| CN103581807B (en) * | 2013-10-30 | 2018-03-13 | 深圳市豪恩声学股份有限公司 | Coil-moving speaker |
| CN103929701B (en) * | 2014-04-24 | 2015-04-22 | 宁波音沛乐电子有限公司 | Ultrahigh magnetic bundle density high-power magnetic loop device composed of multiple magnetic shoes |
| CN104811832A (en) * | 2015-04-16 | 2015-07-29 | 歌尔声学股份有限公司 | Loudspeaker device and intelligent wrist strap device with loudspeaker |
| CN105050011A (en) * | 2015-08-07 | 2015-11-11 | 苏州博那德音响科技有限公司 | Annular electromagnetic exciter and loudspeaker thereof |
-
2016
- 2016-07-04 CN CN201620695754.8U patent/CN205921739U/en active Active
- 2016-12-05 WO PCT/CN2016/108596 patent/WO2018006544A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107040854A (en) * | 2017-04-28 | 2017-08-11 | 北京欧意智能科技有限公司 | Annular omnidirectional loudspeaker and audio amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018006544A1 (en) | 2018-01-11 |
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