CN207460482U - Loudspeaker assembly, electronic equipment and portable electric appts - Google Patents
Loudspeaker assembly, electronic equipment and portable electric appts Download PDFInfo
- Publication number
- CN207460482U CN207460482U CN201590000912.7U CN201590000912U CN207460482U CN 207460482 U CN207460482 U CN 207460482U CN 201590000912 U CN201590000912 U CN 201590000912U CN 207460482 U CN207460482 U CN 207460482U
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- loudspeaker
- magnetic
- magnetic field
- electronic equipment
- opening
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/022—Aspects regarding the stray flux internal or external to the magnetic circuit, e.g. shielding, shape of magnetic circuit, flux compensation coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
This application involves loudspeaker assembly, electronic equipment and portable electric appts.Loudspeaker assembly includes：Loud speaker including magnetic element, for activating the magnetic field of acoustic membrane, acoustic membrane generates audio signal during the operation of loudspeaker assembly for magnetic element transmitting；And loudspeaker housing, the loudspeaker housing is generally surround loudspeaker assembly and limits opening, it is open and provides outlet for the audio signal of acoustic membrane generation, loudspeaker housing is included in a manner of redirecting magnetic field around the permeability magnetic material of opening distribution so that inhibit from external environment can the particle of magnetic attraction be attracted magnetically by opening.
Description
Technical field
The embodiment of the utility model description relates generally to the method for preventing pollutant from entering device housings.More
Say body, these embodiments be related to prevent or at least reduce the magnetic element of voice coil motor by can magnetic attraction particle
The method and apparatus that equipment is attracted to the rate in shell.
Background technology
As electronic equipment uses more and more tiny shape, the internal electrical components for being adapted for carrying out various tasks may quilt
Compel the various openings away from electronic equipment closer to.In some cases, the magnet for being responsible for generation audio signal is strategically placed in
Near opening in electronic equipment, to optimize emitted audio signal.Regrettably, the magnetic field of such magnet transmitting may be led
Cause it is various can the particle of magnetic attraction be inhaled by opening.These can the pollutant of magnetic attraction may be in electronic equipment cohesion
The internal part function of product to electronic equipment is deteriorated, and degree entirely ineffective in some cases.Although it is positioned at
The protective barrier being entirely open can effectively keep off larger particle in outside, but barrier hole is reduced to possibility below specific threshold
Signal passing through along audio signal wire can generally be reduced.For this purpose, modern designs often allow for small less than 10 micron dimensions
Grain is passed into electronic equipment.In some embodiments, short grained accumulation may inhibit audio generation part
Movement, so as to deteriorate and hinder in some cases the operation of acoustic component.
Utility model content
The utility model describe be related to prevent can magnetic attraction the method that is entered by audio port of particle and
The various embodiments of device.
According to one aspect of the disclosure, a kind of loudspeaker assembly is provided, the loudspeaker assembly is used for electronic equipment,
It is characterized in that, the loudspeaker assembly includes：Loud speaker, the loud speaker include magnetic element, the magnetic element transmitting
For activating the magnetic field of acoustic membrane, the acoustic membrane generates audio signal during the operation of the loudspeaker assembly；With raise one's voice
Device housing, the loudspeaker housing is generally surround the loudspeaker assembly and limits opening, and the opening is the acoustic membrane
The audio signal of generation provides outlet, and the loudspeaker housing is included in a manner of redirecting the magnetic field around described
Be open distribution permeability magnetic material so that inhibit from external environment can magnetic attraction particle by it is described opening by magnetism inhale
Draw.
According to a kind of embodiment, the permeability magnetic material is to the redirection in the magnetic field by a plurality of magnetic field in the magnetic field
Line is redirected to the separate direction orthogonal with the entrance of the opening of loudspeaker housing restriction.
According to a kind of embodiment, due to the redirection of a plurality of magnetic field line, generated and be applied to by the magnetic field
The magnetic force that can be on the particle of magnetic attraction deviates from the opening.
Any embodiment in above example, the loudspeaker housing is further included to be embedded in around the permeability magnetic material
The molding material of injection.
According to a kind of embodiment, the loud speaker further includes：Conducting ring, the acoustic membrane stretch on the conducting ring,
The conducting ring and power supply electric coupling；Wherein described power supply is configured as supplying modulation electric current to the conducting ring, is adjusted with generating
Magnetic field processed, the modulation magnetic field are interacted with the magnetic field that the magnetic element emits so that the acoustic membrane is set according to the electronics
The standby audio-frequency information received vibrates.
According to a kind of embodiment, the conducting ring flexibility is couple to the inner surface of the loudspeaker housing, the flexibility coupling
Connecing makes the longitudinal axis of the conducting ring be aligned with the magnetic pole of the magnetic element.
According to a kind of embodiment, the opening that the loudspeaker housing limits exposes at least half of the acoustic membrane.
According to another aspect of the disclosure, a kind of loudspeaker assembly is provided, the loudspeaker assembly is configured as attached
It is connected to the inner surface of the shell of electronic equipment, which is characterized in that the loudspeaker assembly includes：Loudspeaker housing, it is described to raise one's voice
Device housing limits opening, and the opening is led to described in when the loudspeaker assembly to be attached to the inner surface of the shell
At the position that opening in the inner surface of shell is positioned, the loudspeaker housing includes limiting around the loudspeaker housing
The permeability magnetic material of fixed opening arrangement；Magnet, the magnet are arranged in the speaker cover body and generally described
Loudspeaker housing surrounds；Conducting ring, the conducting ring and power supply electric coupling, the power supply is in the operation phase of the loudspeaker assembly
Between be conducting ring supply modulation electric current；And vibrating membrane, the vibrating membrane couple with the conducting ring and across the conducting rings
It sets, wherein the conducting ring and the magnet cooperation are so that the conduction ring vibration so that the vibrating membrane generation audio letter
Number, the opening delivery that the audio signal is limited by the loudspeaker housing, and wherein described permeability magnetic material is determined
The part of the electronic device exterior is extended in the magnetic field that position emits into the redirection loudspeaker assembly, it can be magnetic with reduction
The particle of attraction is attracted to the rate in the loudspeaker assembly.
According to a kind of embodiment, it is described can the particle of magnetic attraction be attracted to the rate in the loudspeaker assembly
Reduced by the permeability magnetic material, a plurality of magnetic field line in the magnetic field is redirected to separate with the shell by the permeability magnetic material
The orthogonal direction of the entrance of the opening in the inner surface.
According to a kind of embodiment, the permeability magnetic material of the loudspeaker housing concentrates on the magnet and the shell
Between the inner surface.
According to a kind of embodiment, the vibrating membrane is made of paper.
According to a kind of embodiment, the permeability magnetic material includes stainless steel.
According to a kind of embodiment, the loudspeaker assembly further includes the additional permeability magnetic material formed by Alperm.
According to a kind of embodiment, the loudspeaker assembly further includes one layer of aesthstic grid, described one layer aesthstic grid by with
The opening being set in the inner surface for covering and being limited by the shell.
According to any embodiment in above example, acoustic mesh is across towards the opening outside the loudspeaker housing
It is positioned.
According to another aspect of the disclosure, a kind of electronic equipment is provided, which is characterized in that the electronic equipment bag
It includes：Device housings, the device housings limit speaker openings；And loudspeaker assembly, the loudspeaker assembly are attached to described
The surface towards inside for including the speaker openings of device housings, the loudspeaker assembly include：Loudspeaker housing, institute
State loudspeaker housing limit towards described in the device housings towards the speaker openings orientation in internal surface
Opening, the loudspeaker housing include the permeability magnetic material of the opening distribution limited around the loudspeaker housing, magnet, institute
Magnet is stated to be arranged in the speaker cover body and generally surrounded and acoustic membrane by the loudspeaker housing, the acoustics
Film stretches above conducting ring, and the conducting ring is configured as transmitting displacement magnetic field, and the displacement magnetic field emits with the magnet
Magnetic field cooperation so that the acoustic membrane generate audio output, the audio output described in the loudspeaker housing by opening
Mouth and speaker openings transmission.
According to a kind of embodiment, the permeability magnetic material is oriented to redirect one of the magnetic field of the magnet transmitting
Point, in case it extends to the outside of the electronic equipment.
According to any embodiment in above example, the loudspeaker housing further includes magnetic shunt path, the magnetic shunt path support
The magnet and at least a portion for forming the loudspeaker housing one side.
According to a kind of embodiment, the magnetic shunt path and the injection molded part of the loudspeaker housing interlock, to be led adjacent to described
Electric ring positions the magnet.
According to a kind of embodiment, can magnetic attraction particle by the magnetic field suction to the rate in the loudspeaker housing
Reduced by the permeability magnetic material, a plurality of magnetic field line in the magnetic field is redirected to separate with the loud speaker by the permeability magnetic material
The orthogonal direction of the entrance of opening.
According to another aspect of the disclosure, a kind of electronic equipment is provided, which is characterized in that the electronic equipment bag
It includes：Device housings, the device housings limit internal volume, and the device housings include the protective layer for limiting speaker openings,
The speaker openings are extended through the protective layer and enter the internal volume；Aesthstic sieve, the aesthetics sieve is across institute
State speaker openings setting；Loudspeaker housing, the loudspeaker housing are arranged in the internal volume, the loudspeaker housing
Including：First area, the first area are mechanically coupled to the surface towards inside of the protective layer so that the loud speaker
Opening is led in the loudspeaker housing and second area, and the second area is formed of magnetically permeable material at least partly, described
Second area is engaged by throat region with the first area, and the throat region is generally than the first area and described by
Two regions are small and are channeled out the protective layer；And loudspeaker assembly, the loudspeaker assembly are arranged on the speaker cover
In the second area of body, the loudspeaker assembly includes magnet, and the magnet transmitting is directed toward described in the protective layer
The magnetic field of speaker openings, wherein the permeability magnetic material of the second area is to the magnetic field that is extended through the protective layer
Part redirect, the redirection in the magnetic field reduce to the loudspeaker housing attract can magnetic attraction particle magnetic
The component of power.
According to a kind of embodiment, the electronic equipment further includes：Acoustic mesh, the acoustic mesh is across the speaker cover
The opening extension that the throat region of body limits.
According to a kind of embodiment, the electronic equipment further includes：Acoustic baffle, the acoustic baffle are arranged on the aesthstic sieve
Underface, the acoustic baffle prevent particle into the loudspeaker housing the throat region directly over the loud speaker
Housing.
According to a kind of embodiment, the permeability magnetic material makes the redirection in the magnetic field magnetic field line weight in the magnetic field
It is oriented remote from the direction orthogonal with the outer surface that the aesthstic sieve limits.
According to any embodiment in above example, the electronic equipment further includes：Auxiliary magnet, the auxiliary magnet are set
It puts in the first area, and is positioned such that the magnetic field of the auxiliary magnet transmitting will pass through the speaker openings
Can the particle of magnetic attraction attract away from the throat region.
According to a kind of embodiment, the loudspeaker housing be earphone case, and the loudspeaker assembly be configured as to
Ear is provided to audio signal adjacent to the listener that the speaker openings position.
According to a kind of embodiment, the permeability magnetic material includes SUS-430.
According to a kind of embodiment, the electronic equipment further includes auxiliary magnet, and the auxiliary magnet is arranged on the throat
In region and it is configured as redirecting the particle into the second area away from the loudspeaker assembly.
According to a kind of embodiment, the electronic equipment further includes the multiple auxiliary magnets being arranged in the throat region.
According to another aspect of the disclosure, a kind of loudspeaker assembly is provided, the loudspeaker assembly sets for electronics
It is standby, which is characterized in that the loudspeaker assembly includes：Loud speaker, the loud speaker include permanent magnet；And loudspeaker housing,
The loudspeaker housing is generally surround the loudspeaker assembly and limits opening, and it is external that the opening leads to the speaker cover
Portion, the loudspeaker housing include permeability magnetic material, wherein the permeability magnetic material is positioned in the speaker cover body to redirect
The magnetic field emitted by the permanent magnet so that extend to any part in the magnetic field of the electronic device exterior all not towards
It is described opening biasing can magnetic attraction particle.
According to a kind of embodiment, the part for redirecting the magnetic field for extending to the electronic device exterior is prevented
Only the magnetic field is aligned with towards the opening in the loudspeaker housing.
According to a kind of embodiment, the loudspeaker housing further includes the injection molded material around the permeability magnetic material.
According to a kind of embodiment, the loud speaker further includes：Conducting ring, the conducting ring is around the permanent magnet and passes through
Multiple flexible connectors are couple to the loudspeaker housing；And vibrating membrane, the opening that the vibrating membrane is limited across the conducting ring
Stretching, extension.
According to a kind of embodiment, the multiple flexible connector adapts to the conducting ring toward and away from the speaker cover
The movement for the opening that body limits.
According to a kind of embodiment, the conducting ring is the first conducting ring, and wherein described loudspeaker assembly is further included and enclosed
Around first conducting ring and it is conductively coupled to the second conducting ring of power supply.
According to a kind of embodiment, the loudspeaker assembly further includes the power supply with the conducting ring electric coupling.
According to a kind of embodiment, the flexible connector is configured as transmitting modulation electric current, the tune to the conducting ring
Electric current processed is used to interact with the magnetic field of permanent magnet transmitting so that the conducting ring is moved compared with the permanent magnet.
According to a kind of embodiment, the opening limited by the loudspeaker housing is covered by acoustic baffle.
According to any embodiment in above example, the loudspeaker assembly further includes another permanent magnet, described another
A permanent magnet be configured as attracting can magnetic attraction particle away from the opening that is limited by the loudspeaker housing.
According to a kind of embodiment, the loudspeaker assembly further includes the restriction opening around the loudspeaker housing
Multiple magnets of inner surface arrangement, the multiple magnet be used for by can the particle of magnetic attraction be attracted to the loudspeaker housing
The inner surface and the separate loud speaker.
According to another aspect of the disclosure, a kind of electronic equipment is provided, which is characterized in that the electronic equipment bag
It includes：Device housings；Loud speaker, the loud speaker include the magnetic element in transmitting magnetic field；And earphone case, the earphone case are consolidated
Surely arrive the restriction speaker openings of the device housings towards internal surface and around the loud speaker, the earphone case
Including：Multiple walls, the opening that the multiple wall restriction is aligned with the speaker openings, the multiple wall include surrounding by described
The permeability magnetic material and metal shunt for the opening that multiple walls limit, the metal shunt are interlocked and propped up with the multiple wall
The magnetic element is held, the metal shunt redirects the magnetic field away from the multiple ministrys of electronics industry set in the device housings
Part, wherein the part that the magnetic field may extend to outside the device housings originally is redirected by the permeability magnetic material.
According to a kind of embodiment, the loud speaker also includes the acoustic membrane stretched on electromagnet, the electromagnet and institute
Magnetic element cooperation is stated so that the acoustic membrane is vibrated during the speaker operation in the case where generating the frequency of audio wave.
According to a kind of embodiment, the device housings include protection cap, and the protection cap includes described towards internal table
Face.
According to a kind of embodiment, the protection cap and the case member cooperation are to encapsulate the earphone case.
According to a kind of embodiment, the loud speaker further includes with the magnetic element cooperation to generate the first of audio signal
Conducting ring.
According to a kind of embodiment, the loud speaker further includes the second conducting ring, and second conducting ring is according to the electronics
The media content that equipment receives changes the magnetic field of the magnetic element transmitting.
According to a kind of embodiment, first conducting ring is configured as edge and the magnetic field in the speaker operation
The axis vibration of polarity alignment, and wherein described second conducting ring is static during the operation of the loud speaker.
According to a kind of embodiment, the loud speaker further includes the acoustic membrane across first conducting ring stretching, extension.
Any embodiment in above example, the speaker openings are generally wider than the speaker height.
According to a kind of embodiment, the opening that the multiple wall of the earphone case limits is located in described raise one's voice
Below one end of device opening.
According to another aspect of the disclosure, a kind of portable electric appts are provided, which is characterized in that described portable
Electronic equipment includes：Shell；Loudspeaker housing, the loudspeaker housing are arranged in the shell, the loudspeaker housing bag
Include magnetic conductive metal and the injection molded material around the magnetic conductive metal；And loud speaker, the loud speaker are arranged on the loud speaker
In housing, the loud speaker includes the magnetic element in transmitting magnetic field, wherein the magnetic field is redirected by the magnetic conductive metal, it is described
Magnetic conductive metal the redirection in the magnetic field is reduced the magnetic field towards the loud speaker attract can magnetic attraction particle
Rate.
According to a kind of embodiment, the loud speaker further include be configured as transmitting displacement magnetic field and with the magnetic element pair
Accurate electromagnet, the electromagnet is with the magnetic element cooperation to emit audio wave.
According to a kind of embodiment, the loud speaker further includes the acoustic membrane of the opening stretching, extension limited across the electromagnet.
Any embodiment in above example, the magnetic conductive metal, which is arranged in, is directed toward the housing exterior
On the direction that the magnetic force component of the entrance of the loudspeaker housing minimizes, the magnetic emitted by the magnetic element is redirected
.
According to a kind of embodiment, the loudspeaker housing includes narrow throat region, and the narrow throat region makes can magnetic
Property attract particle can enter the loudspeaker housing the part around the loud speaker by region minimum.
According to a kind of embodiment, the portable electric appts further include auxiliary magnet, and the auxiliary magnet is arranged on institute
State in narrow throat region and be configured as by into the narrow throat region can the particle of magnetic attraction be redirected to far
From the magnetic element.
According to a kind of embodiment, the portable electric appts further include multiple auxiliary magnets, the multiple auxiliary magnet
In one of selection from the narrow throat region lateral shift.
According to a kind of embodiment, the magnetic conductive metal includes stainless steel (SUS) 403.
According to a kind of embodiment, the loudspeaker housing includes multiple auxiliary magnets, and the multiple auxiliary magnet is configured
For away from the loud speaker direction on redirect into the loudspeaker housing can magnetic attraction particle.
According to a kind of embodiment, the loudspeaker housing includes metal shunt, and the metal shunt described in by raising
The inner surface for the shell that sound device housing is attached to redirects the magnetic field, to shield the inside of the portable electric appts
Component.
The utility model discloses a kind of loudspeaker assemblies for electronic equipment.The loudspeaker assembly includes at least as follows
Part：Loud speaker, the loud speaker include the magnetic element in transmitting magnetic field, which generates the acoustics of audio signal for activating
Film；And loudspeaker housing, the loudspeaker housing is generally surround loudspeaker assembly and limits opening, which produces for acoustic membrane
Raw audio signal provides outlet.The loudspeaker housing includes adjacent openings and positions with the permeability magnetic material to magnetic forming, so as to
Inhibit from external environment can the particle of magnetic attraction be attracted magnetically by opening.
The utility model discloses a kind of loudspeaker assemblies of the inner surface for the shell for being configured to attach to electronic equipment.
The loudspeaker assembly includes at least such as lower part：Loudspeaker housing, the loudspeaker housing limit opening, which, which will lead to, to raise
The position that opening when sound device assembly is attached to the inner surface of shell in the inner surface of shell is positioned, the loudspeaker housing include
The permeability magnetic material of the opening arrangement limited around loudspeaker housing；Magnet, which is arranged in speaker cover body and quilt substantially
Loudspeaker housing surrounds；Conducting ring, it is to lead during the operation of loudspeaker assembly which is conductively coupled to the power supply with power supply
Electric ring supply modulation electric current；And vibrating membrane, which is coupled with conducting ring and across conducting ring setting.The conducting ring and magnet
Cooperate so that conductive ring vibration so that vibrating membrane generates audio signal, the opening which is limited by loudspeaker housing
Transmission, and permeability magnetic material is oriented to redirect the part that electronic device exterior is extended in magnetic field without hindering by loud speaker
The opening that housing limits.
The utility model discloses a kind of electronic equipment, which includes at least such as lower part：Device housings, this sets
Standby shell limits speaker openings；And loudspeaker assembly, which, which is attached to the device housings, includes loud speaker
The surface towards inside of opening.The loudspeaker assembly includes at least such as lower part：Loudspeaker housing, the loudspeaker housing limit
It is open, the speaker openings orientation in the inner surface of the opening ancillary equipment shell, the loudspeaker housing includes surrounding by raising one's voice
The permeability magnetic material for the opening distribution that device housing limits；Magnet, the magnet are arranged in speaker cover body and substantially by speaker cover
Body surrounds；And acoustic membrane, the acoustic membrane stretch above conducting ring, which is configured as transmitting displacement magnetic field, displacement
The magnetic field that magnetic field emits with magnet is cooperated so that acoustic membrane generates audio output, which is opened by loudspeaker housing
Mouth and speaker openings transmission.
The implementation in detail below described according to the attached drawing with reference to the principle for illustrating the embodiment in an illustrative manner
Mode, other aspects and advantage of the utility model will become obvious.
Description of the drawings
By the specific embodiment below in conjunction with attached drawing, the disclosure will be apparent from, wherein similar drawing reference numeral refers to
Show similar structural detail, and wherein：
Fig. 1 shows the perspective view for the electronic equipment for being suitble to be used together with the embodiment；
Fig. 2 shows the closely top view on electronic equipment top shown in FIG. 1；
Fig. 3 shows the partial cross sectional view of the electronic equipment according to hatching A-A；
Fig. 4 A- Fig. 4 B show the partial cross sectional side view of the electronic equipment of Fig. 2 according to hatching B-B, superposition
The expression of magnetic field line from magnet；
Fig. 5 shows an alternative embodiment, wherein in electronic equipment and on the magnetic part of headset assembly
Side is with the addition of the additional permeability magnetic material along Alperm line；
Fig. 6 shows that expression is immediately above in the magnetic part of earpiece speaker components, exists along the top surface of electronic equipment
Magnetic field intensity graph；
Fig. 7 A- Fig. 7 E show suitable for prevent can the particle of magnetic attraction accumulate in the vibrating membranes of earpiece speaker components
On various alternative embodiments；
Fig. 8 show represent to prevent can the particle of magnetic attraction enter the flow chart of the method in electronic equipment；And
And
Fig. 9 shows the frame for the electronic equipment for representing to be suitable for operation of the control according to the internal part of the embodiment
Figure.
Specific embodiment
This application involves the another of entitled " Acoustic mesh features of an electronic device "
One temporary patent application, this application discuss several acoustics and aesthstic grid embodiment, add including various stepped constructions, grid
Strong element and three-dimensional grid configuration.
This section describes the representative applications of method and apparatus according to the present utility model.There is provided these embodiments only
It is to add linguistic context and help to understand the embodiment.It therefore, for a person skilled in the art will be aobvious and easy
See, the embodiment can be put into practice in the case of some or all of these no details.In other situations
Under, in order to avoid unnecessarily obscuring the embodiment, well known processing step is not described in detail.Other application is also possible
So that following embodiment is not considered as restricted.
In the following detailed description, with reference to the attached drawing for forming part for specification, and in the accompanying drawings with illustration
Mode shows the specific embodiment according to the embodiment.Although these embodiments are described in detail enough so that
The embodiment can be put into practice by obtaining those skilled in the art, it is to be understood that, these embodiments are not limiting；So that
Other embodiments can be used, and change can be made in the case where not departing from the spirit and scope of the embodiment.
Signal including auditory information is usually converted into sound wave by acoustic component using magnetic element.By modulation via leading
The magnitude of current of electric coil operation, can form displacement magnetic field, the displacement magnetic field with and the interaction of permanent magnet associated magnetic field.It is conductive
Then coil and the vibrating membrane being attached to thereon can be moved in response to variable magnetic force caused by interaction between magnetic field, to generate sound
Frequency ripple.According to position of the permanent magnet in device housings, the magnetic field of permanent magnet transmitting may constantly attract housing exterior
Can magnetic attraction particle.Because permanent magnet is generally near the opening arrangement in shell, in order to the audio of acoustic component generation
Ripple leaves, thus can the particle of magnetic attraction be attracted to often through opening in shell.Although such opening is usually porous
Grid covers, but diameter be less than perforated grill hole it is small can the particle of magnetic attraction may be inhaled by perforated grill.
Once can the particle of magnetic attraction enter shell, they are just attracted to permanent magnet, are often accumulated on vibrating membrane, especially consider
It is usually lain just in vibrating membrane above permanent magnet.Over time, it is smaller can the accumulation of particle of magnetic attraction can
It can deteriorate the movement for even preventing vibrating membrane.
A solution to this problem is that permeability magnetic material, permanent magnet are placed between permanent magnet and device housings wall
Magnetic field extended through the material.Permeability magnetic material can be disposed in around the access between opening and permanent magnet so that audio
Wave current goes out shell holding and is not obstructed.In spite of opening, but permeability magnetic material remains able to reboot the magnetic field of permanent magnet so that
It is less concentrated towards the overthe openings in equipment in magnetic field.In this way, can by can magnetic attraction particle into
Enter be reduced to can magnetic attraction particle be less likely to prevent or deteriorate vibrating membrane movement level.Permeability magnetic material can be in earphone
Injection is embedded into housing so that permanent magnet is generally surrounded by permeability magnetic material, and the exception is to lead to around acoustic component
Earphone case outside opening voice-frequency channel.Permeability magnetic material including largely closely surrounding permanent magnet can also reduce permanent magnet
Interference sets the possibility of other internal electrical components inside the shell.It should be noted that the effect except reducing external magnetic field
It,, can be generally compared with plastics earphone case by the way that firm permeability magnetic material insertion is molded into earphone case outside fruit
Reduce the thickness of earphone case, the structural robustness without influencing earphone case.Thinned ear casing body wall can also pass through
Increase the available volume of energy converter to enhance the audio performance of acoustic component.
These and other embodiments are discussed hereinafter with reference to Fig. 1-Fig. 9, however, those skilled in the art
It will readily appreciate that, herein in relation to the detailed description given by these attached drawings merely for illustrative purpose, without being understood that
To be restricted.
Fig. 1 shows the perspective view of the electronic equipment 100 suitable for being used together with the embodiment.Electronic equipment
100 include display assembly 102.Display assembly 102 can be used for providing the user based on touch to the user of electronic equipment 100
Interface.In some embodiments, electronic equipment 100 further includes another user interface element along each row button 104.Button
104 can be configured as according to the mode of operation of electronic equipment 100 execution specific function.In some embodiments, button 104
It can be configured as the menu that electronic equipment 100 is made to return to more high-level and/or terminate using the application currently selected.At other
In embodiment, the function of button 104 can be that user can configure.It should be noted that electronic equipment 100 can be included not
The a lot of other buttons and/or user interface element specifically discussed.The top surface of electronic equipment 100 can be covered by cover glass 106
Lid.Cover glass 106 can limit opening 108 associated with audio port, and audio port is configurable to generate electronic equipment 100
The audio signal of interior generation, audio signal leave electronic equipment 100 by opening 108.In some embodiments, audio signal
It can be along audio signal wire associated with telephone conversation.In other embodiments, can matchmaker be played back by audio port
Body file.Opening 108 can be covered by one or more layers grid, and grid prevents most of pollutant from entering electronic equipment 100, together
When allow audio signal unhinderedly pass through clathrum substantially.In some embodiments, clathrum can be little with diameter
In about 10 microns of opening.
Fig. 2 shows the closely top view on 100 top of electronic equipment.Specifically, the opening of audio port is depicted
108.It is shown close to x-ray view 202 compared with several internal parts associated with audio port of opening 108.Nose area
Domain 204 represents hole, and the audio signal of vibration motion generation associated with the component interacted with magnet 206 leaves electricity by the hole
Sub- equipment 100.Earphone case 208 is generally surround magnet 206 and serves as branch, with the base when housing 208 includes permeability magnetic material
Originally prevent from influencing the object outside electronic equipment 100 with 206 associated magnetic field of magnet.When magnet 206 is permanent magnet, this can
It can be even more important, because can persistently exist with 206 associated magnetic field of magnet.Housing 208 does not prolong above nasal region 204
It stretches so that audio signal can unhinderedly pass through nasal region 204.Although 204 opening of nasal region is enable to reduce housing
208 validity as the shield member of magnet 206, earphone case 208, which remains able to weaken, enough to be emitted from magnet 206
Magnetic field, to prevent magnetic field from generally extending outside electronic equipment 100.It is fixed between magnet 206 and cover glass/protection cap 106
Position housing 208 can limit or in certain embodiments, prevent a certain amount of electromagnetic radiation and leave electronic equipment 100, i.e.,
Make housing 208 that magnet 206 not be completely covered.
Fig. 3 shows the partial cross sectional view of the electronic equipment 100 according to the hatching A-A for including headset assembly 300.Ear
Thermomechanical components 300 are anchored in the opening 108 of the restriction of cover glass 106.The aesthstic covering of grid 302 opening 108 simultaneously provides coating,
Coating provides beautiful lid for headset assembly 300.Aesthstic grid 302 can also be used to prevent some pollutants from entering electronics and setting
Standby 100.Aesthstic grid 302 can be attached to the interior surface of cover glass 106 by various modes.For example, aesthstic grid can
To bond the interior surface for being couple to cover glass 106.In some embodiments, framing component can be used for keeping aesthstic grid
302 stretch across opening 108.The rest part of headset assembly 300 can also be attached to cover glass 106.In some embodiments,
Injection molded part 304 can downwards be hung from cover glass, to limit the passage for being illustrated as nasal region 204.Nasal region 204 can be with
It is covered by acoustic mesh 306, acoustic mesh 306 can cooperate to prevent pollutant along each row audio portion with aesthstic grid 302
Part, which passes through headset assembly 300, to be included in the part to the component of pollutant sensitivity.In some embodiments, note
Mould part 304 can be formed along each row high-carbon steel around permeability magnetic material 308.Permeability magnetic material 308 is to the magnetic that emits from magnet 206
The part redirection of field so that magnetic field will not extend through substantially cover glass 106, this will show in Fig. 4 A- Fig. 4 B.
In some specific embodiments, permeability magnetic material 308 can take the form of the magnetic stainless steel along the line of SUS-430, this is strong
Good balance is provided between degree and magnetic conductivity.In this way, SUS-430 can both be generally surround magnet 206
Earphone case 208 firm structural support is provided, and magnetic screen is provided, at least to weaken the strong of the magnetic field of adjacent openings 108
Degree.It should also be noted that because permeability magnetic material 308 can provide firm structural support, it is possible to reduce earphone case
208 thickness.The thickness of reduction earphone case 208 can be allowed to adapt in greater compactness of space and accommodate slightly larger component with
Around it.In some embodiments, thinned wall additionally aids the defeated of the acoustic component that enhancing is arranged in earphone case 208
Go out, because the vibration of wall can be improved, this can improve the acoustics transmission of 100 external audio ripple of electronic equipment.
Vibrating membrane 310 is also shown in Fig. 3.Vibrating membrane 310 can be that half formed by the material for providing fabulous attribute is firm
Property acoustic membrane, for provide the sense of hearing of high quality output.In some embodiments, which can be paper；It is however, it is possible to another
Selection of land uses any number of material, such as paper compound, polypropylene, the polypropylene of filling mineral/fiber, thermoplastic polyurethane
(TPU), thermoplastic elastomer (TPE) (TPE) and polyether-ether-ketone (PEEK).Vibrating membrane 310 is positioned on entire conductive coil 312.It leads
Electric coil 312 can provide platform, and vibrating membrane 310 can be stretched across the platform or at least fixed.In some embodiments
In, conductive coil 312 can be formed by copper.Although being not shown, coil 312 can change the power supply thermocouple of electricity with providing
It connects.The longitudinal axis of conductive coil 312 can be substantially with magnet 206 longitudinal axis be aligned, in order to the magnetic field of two elements transmitting
Between interact.By changing the electricity transmitted through coil 312, displacement magnetic field, the displacement can be emitted from conductive coil 312
Magnetic field is interacted with the magnetic field from magnet 206.
In some embodiments, headset assembly 300 can include additional conductive coil 314.Conductive coil 314 can be used
In providing additional magnetic field, magnetic field and the magnetic field of the generation of conductive coil 312 which generates with magnet 206 are handed over
Mutually.In some embodiments, all three magnetic fields can cooperate to form original impossible magnetic characteristic.For example, two
Electric current in conductive coil 312 and 314 can be run in opposite direction, while be modulated in different modalities.In other embodiment party
In case, current-modulation can at least partly be synchronous with amplitude.Because vibrating membrane 310 is only flexible by flexible connector 316
Housing is connected to, so vertical displacement can occur for vibrating membrane 310 on the direction indicated by the arrow above vibrating membrane 310
Generate sound wave 318.In the audio that can be specified in the data that the matching electronic equipment 100 of sound wave 318 is caused to store and/or receive
Vertical displacement is driven under the frequency of appearance.In some embodiments, flexible connector 316 can be configured as conductive coil
312 are conductively coupled to power supply.In other embodiments, conductive coil 312 can pass through independent electric connector (not shown) electricity
It is couple to power supply.In any case to coil power supply, the change that the electric current of one or more conductive coils is flowed through by modulating to generate
The desired pattern generation vertical displacement for corresponding to the audio-frequency information of the reception of electronic equipment 100 can be caused by changing Lorentz force.
It should be noted that in addition to the embedded injection permeability magnetic material 308 into the component around magnet 206, it can also be in magnet 206
Underface positions magnetic shunt 322.In some embodiments, magnetic shunt 322, which can be configured as, is snapped by ear casing
In the opening that the insertion molded portion of body 208 limits and keep in the inner.Magnetic shunt 322 can prevent magnetic radiation from existing substantially
Extension immediately below magnet 206.It is located at the situation below magnetic shunt 322 in the magnetic susceptibility component of the line along printed circuit board (PCB)
Under, this may be particularly useful.
Fig. 4 A- Fig. 4 B show the partial cross sectional side view of the electronic equipment 100 according to hatching B-B, have been superimposed source
Expression from the magnetic field of magnet 206.The magnetic field 402 that Fig. 4 A are obtained when showing and not including magnetic conduction shielding material in housing 208
With 404 expression.For example, when SUS-304 is used to surround and strengthen around the housing of magnet 206, from the magnetic of the transmitting of magnet 206
Field is substantially unaffected.Fig. 4 B show the expression in the magnetic field 406 and 408 from magnet 206.Clearly as around magnet
206 earphone case 208 is embedded in injection permeability magnetic material, therefore the part 410 in the magnetic field 408 being made of several magnetic field lines is big
It is bent on body, leaves cover glass 106.
Fig. 5 shows an alternative embodiment, wherein headset assembly 300 aesthstic grid 302 and magnet 206 it
Between be with the addition of additional permeability magnetic material along Alperm line.For example, the place below aesthstic grid 302 shows magnetic conduction
Material 502.By placing additional permeability magnetic material 502 between magnet 206 and aesthstic grid 302, it can spread and redirect
The magnetic field intensity of the outside of electronic equipment 100 extension, thus further reduce can the particle of magnetic attraction be attracted to electronic equipment 100
In rate.In this way, being confined to the high-intensity magnetic field immediately above of magnet 206 can more uniformly be distributed so that can be magnetic
The possibility that the particle 320 of attraction is inhaled into electronic equipment 100 substantially reduces.Specifically, magnetic field is emitted by reducing
Z component, can considerably reduce to aesthstic grid 302 driving can magnetic attraction particle 320 power.
Fig. 6 shows that expression is immediately above in the magnetic part of earpiece speaker components, exists along the top surface of electronic equipment
Magnetic field Z component size graph 600.The Z component in magnetic field correspond to in the loudspeaker assembly towards electronic equipment
The amount for the orthogonal power that is open.In general, with bigger Z component configuration by cause can magnetic attraction particle by with larger speed
Rate is attracted in electronic equipment.Shown field wire is represented for various shield configurations, the tight external magnetic field size of electronic equipment 100
Z component.Line 602 represents one of shown configuration, wherein the material (the basic metal without magnetic conductivity) of the line along SUS-304 is used
In around the magnetic part, and without using additional shielding.In such cases, it is attached to concentrate on magnet center for the Z component of magnetic force
Closely, regrettably, which is located above the inlet point for the magnetic element for leading directly to transmitting magnetic field.Line 604 represents SUS-430
For surrounding the configuration of magnet.In such cases, magnet center part Z component immediately above is reduced about 1/3rd.
Line 606 represents that Alperm is used to delimit the configuration of the housing of magnet.Although Alperm generally has than SUS-430 more
Big magnetic conductivity, but it is often with weaker mechanical attributes, it is necessary to housing than being formed with same intensity but by SUS-430
Thicker housing.Finally, line 608 represents to be similar to the configuration shown in Fig. 5, and wherein SUS-430 surrounds magnet, and in aesthstic grid
Nearby include Alperm.By the way that combined magnetic is embedded in injected plastics material near the surface of electronic equipment 100 and high magnetic conduction closes
Gold can generally be distributed the Z component in the magnetic field extended outside electronic equipment 100 in the outside of electronic equipment 100.
Fig. 7 A- Fig. 7 E show suitable for prevent from entering can magnetic attraction particle accumulate in it is various another on vibrating membrane
The embodiment of choosing.Specifically, Fig. 7 A show the configuration that magnet 702 is positioned along particle access path on periphery.At some
In embodiment, magnet 702 can attract can magnetic attraction particle so that they accumulate on magnet 702 rather than vibrate
On film 310.It should be noted that size and the intensity of magnet 702 can be optimized to prevent or at least improve magnet 702 and magnet
Any negative effect caused by interference between the displacement magnetic field that the magnetic field of 206 transmittings or conductive coil 312 emit.Fig. 7 B show
Another alternative embodiment is gone out, has been offseted wherein sacrificing magnet 704 from nasal region 204.Sacrificing magnet 704 can incite somebody to action
Can magnetic attraction particle from nasal region 204 attraction leave, as expression particle access path arrow shown in.In this position
Put, sacrifice magnet 704 can have very big magnetic field, the magnetic field can make to have to accumulate in originally on vibrating membrane 310 can
The particle of magnetic attraction redirect to the position for sacrificing 704 top of magnet.
Fig. 7 C show another alternative embodiment, wherein being with the addition of acoustic baffle 706 below aesthstic grid 302.
In some embodiments, aesthstic grid reinforced sheet 708 can be utilized to increase the hardness of aesthstic grid 302.In some embodiment party
In case, aesthstic reinforced sheet 708 can also be utilized to support the acoustic baffle 706 below aesthstic grid 302 just.By can be magnetic
The entrance of the particle of attraction is restricted to a part for the not equipment directly over nasal region 204, it is possible to reduce reaches vibrating membrane
310 can magnetic attraction particle amount.Fig. 7 D show another alternative embodiment, wherein in nasal region 204 just
Top positions acoustic baffle 710.In this way, directly additional guarantor is located between vibrating membrane 310 and aesthstic grid 302
Sheath.Fig. 7 E show another alternative embodiment, and wherein acoustic baffle has opening more smaller than foregoing embodiments, opens
Mouth is distributed on the region roughly the same with aesthstic grid 302.
Fig. 8 show represent to prevent can the particle of magnetic attraction enter the block diagram of the method in electronic equipment.
In one step 802, permeability magnetic material insertion is molded into the housing for being configured around magnet.In some embodiments, magnetic conduction
Material can be SUS-430, with good magnetic conductivity and architectural characteristic.The structure or mechanical property allow permeability magnetic material to increase
The strong housing for surrounding magnet.In some embodiments, it can aid in reduction shell using the material with satisfactory texture characteristic
The size or thickness of body.At step 804, additional permeability magnetic material can be added in electronic equipment so that it is located at magnet
Between the outer surface of electronic equipment.The additional permeability magnetic material can be by the material shape that is directed to its high magnetic permeability and is specifically chosen
Into because the material need not perform or any structure feature of strengthening electronic equipment.In some embodiments, can use
Alperm realizes this function.Alperm can be dilval, and dilval is mainly formed by nickel, but is further included
Iron and lesser amount of chromium or molybdenum.It should be noted that in addition to its high magnetic permeability, Alperm is often extending
, this can make the material that given shape be more readily formed and be formed to the position in electronic equipment.
Fig. 9 applies to the block diagram of the electronic equipment 900 of operation of the control according to the internal part of the embodiment.Electricity
Sub- equipment 900 shows the circuit of representative computing device.Electronic equipment 900 includes processor 902, which is related to use
In the microprocessor or controller of the overall operation of control electronics 900.Electronic equipment 900 includes being located at file system 904
The director data of related fabrication order in cache 906.File system 904 is usually storage disk or multiple disks.
File system 904 is usually that electronic equipment 900 provides high capacity storage capability.However, because during to the access of file system 904
Between it is relatively slow, so electronic equipment 900 may also include cache 906.Cache 906 is for example by semiconductor memory
The random access memory (RAM) of offer.When comparing the access of file system 904 to the relative access time of cache 906
Between want much shorter.However, cache 906 does not have the large storage capacity of file system 904.In addition, file system 904 is being located
When active state more electric power are consumed than cache 906.When electronic equipment 900 is portable to be set by what battery 924 was powered
When standby, power consumption would generally become a problem.Electronic equipment 900 can also include RAM 920 and read-only memory (ROM)
922.ROM 922 can store pending program, utility program or process in a non-volatile manner.RAM 920 is such as height
Speed caching 906 provides volatile data storage device.
Electronic equipment 900 further includes user input equipment 908, and the user's input equipment allows the user of electronic equipment 900
It is interacted with electronic equipment 900.For example, user input equipment 908 can take many forms, such as button, keypad, dialing
The input etc. of disk, touch-screen, audio input interface, vision/image capture input interface, sensing data form.Further
Ground, electronic equipment 900 include to be controlled to show the display 910 (screen display) of information to user from processor 902.Number
It can be conducive to the data between at least file system 904, cache 906, processor 902 and CODEC 913 according to bus 916
Transmission.Multiple media items from file system 904 can be decoded and played using CODEC 913, can correspond to
The specific activities occurred during specific fabrication process.Once specific manufacturing activities occur, processor 902 will just be directed to specific matchmaker
The media data (for example, audio file) of body item is supplied to encoder/decoder (CODEC) 913.CODEC 913 and then generation
For the analog output signal of loud speaker 914.Loud speaker 914 can be outside 900 inside of electronic equipment or electronic equipment 900
Loud speaker.For example, it will be considered as external loudspeaker to be connected to the headphone of electronic equipment 900 or earphone.
Electronic equipment 900 further includes the network/bus interface 911 for being coupled to data link 912.Data link 912 allows
Electronic equipment 900 is coupled to host computer or accessory device.Data link 912 can be carried by wired connection or wireless connection
For.In the case of a wireless connection, network/bus interface 911 may include wireless transceiver.Media item (media asset) can relate to
One or more different types of media contents.In one embodiment, media item is audio track (e.g., song, sound reading
Object and podcast).In another embodiment, media item is image (e.g., photo).However, in other embodiments, matchmaker
Any combinations of body Xiang Kewei audios, figure or vision content.Sensor 926 can be used to detect any amount of stimulation
The form of circuit.For example, sensor 926 may include any number of of the various operating conditions for monitoring electronic equipment 900
Sensor, such as in response to the hall effect sensor of external magnetic field, temperature sensor, audio sensor, optical sensor
Such as photometer, depth measuring devices such as laser interferometer, etc..
The various aspects, embodiment, specific reality of the embodiment can be used individually or in any combination
It applies or feature.Can the various aspects of the embodiment be realized by the combination of software, hardware or hardware and software.The implementation
Scheme can also be implemented as on computer-readable medium for control manufacturing operation computer-readable code or be carried out
To control the computer-readable code of manufacturing line on computer-readable medium.Computer-readable medium is that can store data
Any data storage device, can be read by computer system after the data.The example of computer-readable medium includes read-only
Memory, random access memory, CD-ROM, HDD, DVD, tape and optical data storage.Computer-readable medium is also
It can be distributed in the computer system of network-coupled so that computer-readable code is stored and executed in a distributed fashion.
In the foregoing description, for purposes of explanation, used specific name is provided to the thorough of the embodiment
Understand.However, it is evident that, putting into practice the embodiment need not these tool for a person skilled in the art
Body details.Therefore, purpose of illustration and description is in order to the foregoing description of particular embodiment and presented.These descriptions are not
Be intended to be considered as exhaustive or the embodiment is limited to disclosed precise forms.For the common of this field
It is evident that, content, many modifications and variations are possible according to the above instruction for technical staff.
Claims (60)
1. a kind of loudspeaker assembly, the loudspeaker assembly is used for electronic equipment, which is characterized in that the loudspeaker assembly bag
It includes：
Loud speaker, the loud speaker include magnetic element, and the magnetic element emits to activate the magnetic field of acoustic membrane, the sound
It learns film and generates audio signal during the operation of the loudspeaker assembly；With
Loudspeaker housing, the loudspeaker housing is generally surround the loudspeaker assembly and limits opening, and the opening is institute
The audio signal for stating acoustic membrane generation provides outlet, and the loudspeaker housing includes enclosing in a manner of redirecting the magnetic field
Around the permeability magnetic material of the opening distribution so that inhibit from external environment can the particle of magnetic attraction pass through the opening quilt
Magnetic attraction.
2. loudspeaker assembly according to claim 1, wherein the permeability magnetic material will to the redirection in the magnetic field
The a plurality of magnetic field line in the magnetic field is redirected to the separate side orthogonal with the entrance of the opening of loudspeaker housing restriction
To.
3. loudspeaker assembly according to claim 2, wherein due to the redirection of a plurality of magnetic field line, by described
Magnetic field, which generates and is applied to the magnetic force that can be on the particle of magnetic attraction, deviates from the opening.
4. according to the loudspeaker assembly described in one in claims 1 to 3, wherein the loudspeaker housing is further included around described
The molding material of permeability magnetic material insertion injection.
5. loudspeaker assembly according to claim 4, wherein the loud speaker further includes：
Conducting ring, the acoustic membrane stretch on the conducting ring, the conducting ring and power supply electric coupling；
Wherein described power supply is configured as supplying modulation electric current to the conducting ring, to generate modulation magnetic field, the modulation magnetic field
It is interacted with the magnetic field of magnetic element transmitting so that the acoustic membrane is shaken according to the audio-frequency information that the electronic equipment receives
It is dynamic.
6. loudspeaker assembly according to claim 5, wherein the conducting ring flexibility is couple to the loudspeaker housing
Inner surface, the flexible coupling make the longitudinal axis of the conducting ring be aligned with the magnetic pole of the magnetic element.
7. loudspeaker assembly according to claim 5, wherein described in the opening exposure that the loudspeaker housing limits
At least half of acoustic membrane.
8. a kind of loudspeaker assembly, the loudspeaker assembly is configured to attach to the inner surface of the shell of electronic equipment, special
Sign is that the loudspeaker assembly includes：
Loudspeaker housing, the loudspeaker housing limit opening, and the opening is led to is being attached to institute by the loudspeaker assembly
At the position that opening when stating the inner surface of shell in the inner surface of the shell is positioned, the loudspeaker housing
The permeability magnetic material of the opening arrangement limited including surrounding the loudspeaker housing；
Magnet, the magnet are arranged in the speaker cover body and are generally surrounded by the loudspeaker housing；
Conducting ring, the conducting ring and power supply electric coupling, the power supply are described lead during the operation of the loudspeaker assembly
Electric ring supply modulation electric current；With
Vibrating membrane, the vibrating membrane are coupled with the conducting ring and set across the conducting ring,
Wherein described conducting ring and the magnet cooperation are so that the conduction ring vibration so that the vibrating membrane generation audio letter
Number, the opening delivery that the audio signal is limited by the loudspeaker housing, and wherein described permeability magnetic material is determined
The part of the electronic device exterior is extended in the magnetic field that position emits into the redirection loudspeaker assembly, it can be magnetic with reduction
The particle of attraction is attracted to the rate in the loudspeaker assembly.
9. loudspeaker assembly according to claim 8, wherein it is described can the particle of magnetic attraction be attracted to described raise one's voice
The rate in device assembly is reduced by the permeability magnetic material, and the permeability magnetic material redirects a plurality of magnetic field line in the magnetic field
The direction orthogonal into the entrance of the opening in the separate inner surface with the shell.
10. loudspeaker assembly according to claim 8, wherein the permeability magnetic material of the loudspeaker housing concentrates on institute
It states between magnet and the inner surface of the shell.
11. loudspeaker assembly according to claim 8, wherein the vibrating membrane is made of paper.
12. loudspeaker assembly according to claim 8, wherein the permeability magnetic material includes stainless steel.
13. loudspeaker assembly according to claim 8 further includes the additional permeability magnetic material formed by Alperm.
14. loudspeaker assembly according to claim 8, further include one layer of aesthstic grid, described one layer aesthstic grid by with
The opening being set in the inner surface for covering and being limited by the shell.
15. according to the loudspeaker assembly described in one in claim 8 to 14, wherein acoustic mesh is across towards the speaker cover
The opening outside body is positioned.
16. a kind of electronic equipment, which is characterized in that the electronic equipment includes：
Device housings, the device housings limit speaker openings；With
Loudspeaker assembly, the loudspeaker assembly be attached to the device housings include the speaker openings towards inside
Surface, the loudspeaker assembly includes：
Loudspeaker housing, the loudspeaker housing limit towards described in the device housings towards described in internal surface
The opening of speaker openings orientation, the loudspeaker housing include the opening distribution limited around the loudspeaker housing
Permeability magnetic material,
Magnet, the magnet be arranged in the speaker cover body and generally surrounded by the loudspeaker housing and
Acoustic membrane, the acoustic membrane stretch above conducting ring, and the conducting ring is configured as transmitting displacement magnetic field, the displacement
Magnetic field is cooperated with the magnetic field that the magnet emits so that the acoustic membrane generates audio output, and the audio output passes through described
The opening of loudspeaker housing and speaker openings transmission.
17. electronic equipment according to claim 16, wherein the permeability magnetic material is oriented to redirect the magnet hair
The part in the magnetic field penetrated, in case it extends to the outside of the electronic equipment.
18. according to the electronic equipment described in one in claim 16 to 17, wherein the loudspeaker housing further includes magnetic shunt path,
The magnetic shunt path supports the magnet and forms at least a portion of the loudspeaker housing one side.
19. electronic equipment according to claim 18, wherein the magnetic shunt path and the injection molded part of the loudspeaker housing
Interlocking positions the magnet with the neighbouring conducting ring.
20. electronic equipment according to claim 16, wherein can magnetic attraction particle by the magnetic field suction to described
Rate in loudspeaker housing is reduced by the permeability magnetic material, and the permeability magnetic material redirects a plurality of magnetic field line in the magnetic field
Into the separate direction orthogonal with the entrance of the speaker openings.
21. a kind of electronic equipment, which is characterized in that the electronic equipment includes：
Device housings, the device housings limit internal volume, and the device housings include the protective layer for limiting speaker openings,
The speaker openings are extended through the protective layer and enter the internal volume；
Aesthstic sieve, the aesthetics sieve are set across the speaker openings；
Loudspeaker housing, the loudspeaker housing are arranged in the internal volume, and the loudspeaker housing includes：
First area, the first area are mechanically coupled to the surface towards inside of the protective layer so that the loud speaker
Opening lead to the loudspeaker housing in and
Second area, the second area are formed of magnetically permeable material at least partly, and the second area is by throat region and institute
First area engagement is stated, the throat region is generally smaller than the first area and the second area and is channeled out described
Protective layer；And
Loudspeaker assembly, the loudspeaker assembly are arranged in the second area of the loudspeaker housing, the loud speaker
Component includes magnet, and the magnetic field of the speaker openings in the protective layer is directed toward in the magnet transmitting,
The part in the magnetic field of the permeability magnetic material of wherein described second area to being extended through the protective layer redirects,
The redirection in the magnetic field reduce to the loudspeaker housing attract can magnetic attraction particle magnetic force component.
22. electronic equipment according to claim 21, further includes：
Acoustic mesh, the opening extension that the acoustic mesh is limited across the throat region of the loudspeaker housing.
23. electronic equipment according to claim 21, further includes：
Acoustic baffle, the acoustic baffle are arranged on the underface of the aesthstic sieve, and the acoustic baffle prevents particle from being raised described in entering
The loudspeaker housing directly over the throat region of sound device housing.
24. electronic equipment according to claim 21, wherein the permeability magnetic material makes the redirection in the magnetic field
The magnetic field line in the magnetic field is redirected to the separate direction orthogonal with the outer surface of the aesthstic sieve restriction.
25. according to the electronic equipment described in one in claim 21 to 24, further include：
Auxiliary magnet, the auxiliary magnet are arranged in the first area, and are positioned such that the auxiliary magnet hair
The magnetic field penetrated by through the speaker openings can the particle of magnetic attraction attract away from the throat region.
26. electronic equipment according to claim 21, wherein the loudspeaker housing is earphone case, and described raise one's voice
Device assembly is configured as providing audio signal adjacent to the listener that the speaker openings position to by ear.
27. electronic equipment according to claim 21, wherein the permeability magnetic material includes SUS-430.
28. according to the electronic equipment described in one in claim 21 to 24, auxiliary magnet is further included, the auxiliary magnet is set
In the throat region and it is configured as redirecting the particle into the second area away from the loudspeaker assembly.
29. electronic equipment according to claim 28 further includes the multiple auxiliary magnets being arranged in the throat region.
30. a kind of loudspeaker assembly, the loudspeaker assembly is used for electronic equipment, which is characterized in that the loudspeaker assembly bag
It includes：
Loud speaker, the loud speaker include permanent magnet；And
Loudspeaker housing, the loudspeaker housing is generally surround the loudspeaker assembly and limits opening, and the opening is led to
Outside the loudspeaker housing, the loudspeaker housing includes permeability magnetic material,
Wherein described permeability magnetic material is positioned in the speaker cover body to redirect the magnetic field emitted by the permanent magnet so that
Extend to any part in the magnetic field of the electronic device exterior all not towards the opening biasing can magnetic attraction
Grain.
31. loudspeaker assembly according to claim 30, wherein the redirection extends to the electronic device exterior
The part in the magnetic field prevents the magnetic field to be aligned with towards the opening in the loudspeaker housing.
32. loudspeaker assembly according to claim 30, wherein the loudspeaker housing is further included around the magnetic conduction material
The injection molded material of material.
33. loudspeaker assembly according to claim 30, wherein the loud speaker further includes：
Conducting ring, the conducting ring, which surrounds the permanent magnet and passes through multiple flexible connectors, is couple to the loudspeaker housing；
With
Vibrating membrane, the opening stretching, extension that the vibrating membrane is limited across the conducting ring.
34. loudspeaker assembly according to claim 33, wherein the multiple flexible connector adapts to the conducting ring court
To the movement with the opening away from loudspeaker housing restriction.
35. loudspeaker assembly according to claim 33, wherein the conducting ring is the first conducting ring, and it is wherein described
Loudspeaker assembly further includes around first conducting ring and is conductively coupled to the second conducting ring of power supply.
36. loudspeaker assembly according to claim 33 further includes the power supply with the conducting ring electric coupling.
37. loudspeaker assembly according to claim 33, wherein the flexible connector is configured as to the conducting ring
Transmission modulation electric current, it is described modulation electric current be used for the permanent magnet transmitting magnetic field interact so that the conducting ring compared with
The permanent magnet movement.
38. the loudspeaker assembly according to claim 37, wherein the opening limited by the loudspeaker housing is by sound
Baffle covers.
39. according to the loudspeaker assembly described in one in claim 30 to 38, further include another permanent magnet, it is described another
Permanent magnet be configured as attracting can magnetic attraction particle away from the opening that is limited by the loudspeaker housing.
40. loudspeaker assembly according to claim 30 further includes the restriction opening around the loudspeaker housing
Inner surface arrangement multiple magnets, the multiple magnet be used for by can the particle of magnetic attraction be attracted to the loudspeaker housing
The inner surface and away from the loud speaker.
41. a kind of electronic equipment, which is characterized in that the electronic equipment includes：
Device housings；
Loud speaker, the loud speaker include the magnetic element in transmitting magnetic field；With
Earphone case, the earphone case are fixed to the surface towards inside of the restriction speaker openings of the device housings simultaneously
Around the loud speaker, the earphone case includes：
Multiple walls, the opening that the multiple wall restriction is aligned with the speaker openings, the multiple wall include surrounding by described
The permeability magnetic material for the opening that multiple walls limit and
Metal shunt, the metal shunt interlock with the multiple wall and support the magnetic element, and the metal shunt is reset
To the magnetic field away from the multiple electronic units set in the device housings,
The part that wherein described magnetic field may extend to outside the device housings originally is redirected by the permeability magnetic material.
42. electronic equipment according to claim 41, wherein the loud speaker also includes the acoustics stretched on electromagnet
Film, the electromagnet is with the magnetic element cooperation so that the acoustic membrane is generating audio wave during the speaker operation
Frequency under vibrate.
43. electronic equipment according to claim 41, wherein the device housings include protection cap, the protection cap includes
The surface towards inside.
44. electronic equipment according to claim 43, wherein the protection cap and the case member cooperation are to encapsulate
State earphone case.
45. electronic equipment according to claim 41, wherein the loud speaker further include with the magnetic element cooperation with
Generate the first conducting ring of audio signal.
46. electronic equipment according to claim 45, wherein the loud speaker further includes the second conducting ring, described second leads
The media content that electric ring is received according to the electronic equipment changes the magnetic field that the magnetic element emits.
47. electronic equipment according to claim 46, wherein first conducting ring is configured as grasping in the loud speaker
Along the axis vibration being aligned with the polarity in the magnetic field when making, and wherein described second conducting ring is in the operation phase of the loud speaker
Between be static.
48. electronic equipment according to claim 47 stretches wherein the loud speaker is further included across first conducting ring
Acoustic membrane.
49. according to the electronic equipment described in one in claim 41 to 48, wherein the speaker openings are generally than described
Speaker height is wide.
50. electronic equipment according to claim 49, wherein the described of the multiple wall restriction of the earphone case opens
Mouth is located in below one end of the speaker openings.
51. a kind of portable electric appts, which is characterized in that the portable electric appts include：
Shell；
Loudspeaker housing, the loudspeaker housing are arranged in the shell, and the loudspeaker housing includes magnetic conductive metal and encloses
Around the injection molded material of the magnetic conductive metal；And
Loud speaker, the loud speaker are arranged in the speaker cover body, and the loud speaker includes the magnetic element in transmitting magnetic field,
Wherein described magnetic field is redirected by the magnetic conductive metal, and the magnetic conductive metal reduces institute to the redirection in the magnetic field
State magnetic field towards the loud speaker attract can magnetic attraction particle rate.
52. portable electric appts according to claim 51, wherein the loud speaker, which further includes, is configured as transmitting shifting
Position magnetic field and the electromagnet that be directed at the magnetic element, the electromagnet and the magnetic element cooperation are to emit audio wave.
53. portable electric appts according to claim 52 limit wherein the loud speaker is further included across the electromagnet
The acoustic membrane of fixed opening stretching, extension.
54. according to the portable electric appts described in one in claim 51 to 53, wherein the magnetic conductive metal is arranged to
On the direction minimized in the magnetic force component for the entrance for making the housing exterior direction loudspeaker housing, redirect by described
The magnetic field of magnetic element transmitting.
55. portable electric appts according to claim 51, wherein the loudspeaker housing includes narrow throat region,
The narrow throat region enable can magnetic attraction particle into the loudspeaker housing around the one of the loud speaker
Part by region minimize.
56. portable electric appts according to claim 55, further include auxiliary magnet, the auxiliary magnet is arranged on institute
State in narrow throat region and be configured as by into the narrow throat region can the particle of magnetic attraction be redirected to far
From the magnetic element.
57. portable electric appts according to claim 55 further include multiple auxiliary magnets, the multiple auxiliary magnet
In one of selection from the narrow throat region lateral shift.
58. portable electric appts according to claim 51, wherein the magnetic conductive metal includes stainless steel (SUS) 403.
59. portable electric appts according to claim 51, wherein the loudspeaker housing includes multiple auxiliary magnets,
The multiple auxiliary magnet be configured as away from the loud speaker direction on redirect into the loudspeaker housing can
The particle of magnetic attraction.
60. portable electric appts according to claim 51, wherein the loudspeaker housing includes metal shunt, it is described
Metal shunt redirects the magnetic field by the inner surface for the shell being attached to towards the loudspeaker housing, to shield
State the internal part of portable electric appts.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462047441P | 2014-09-08 | 2014-09-08 | |
| US62/047,441 | 2014-09-08 | ||
| PCT/US2015/010333 WO2016039797A1 (en) | 2014-09-08 | 2015-01-06 | Earpiece integrated magnetic shielding for mitigating ingress of magnetic particles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207460482U true CN207460482U (en) | 2018-06-05 |
Family
ID=55459396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201590000912.7U Expired - Fee Related CN207460482U (en) | 2014-09-08 | 2015-01-06 | Loudspeaker assembly, electronic equipment and portable electric appts |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN207460482U (en) |
| DE (1) | DE212015000186U1 (en) |
| WO (1) | WO2016039797A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061934A (en) * | 2018-09-30 | 2018-12-21 | 厦门天马微电子有限公司 | Display panel and display device |
| CN110891385A (en) * | 2018-09-07 | 2020-03-17 | 苹果公司 | System for increasing dryness of speaker and sensor components exposed to moisture |
| CN111212354A (en) * | 2020-03-19 | 2020-05-29 | 歌尔科技有限公司 | Head-wearing earphone |
| WO2021212305A1 (en) * | 2020-04-21 | 2021-10-28 | 海能达通信股份有限公司 | Magnetic shielding structure, and electronic device |
| CN113628787A (en) * | 2020-05-08 | 2021-11-09 | 苹果公司 | Article with magnetic strip and cable |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9525924B2 (en) | 2015-03-16 | 2016-12-20 | Microsoft Technology Licensing, Llc | Magnetic shielding and communication coil |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100394321B1 (en) * | 2001-07-10 | 2003-08-09 | 주식회사 마이크로 텍 | Bidirectional Speaker for Folder Type Mobile Phone |
| JP2004222208A (en) * | 2003-01-17 | 2004-08-05 | Shinetsu Fujitsu Kk | Vibration speaker |
| US8144917B2 (en) * | 2006-07-21 | 2012-03-27 | Jang-Seok Won | Dynamic type unit with multiple magnetic field system |
| EP2521375B1 (en) * | 2011-05-03 | 2014-04-16 | Knowles Electronics Asia PTE. Ltd. | Loudspeaker with port comprising a particle filter |
| ITPD20110191A1 (en) * | 2011-06-13 | 2012-12-14 | Maurizio Servadio | THIN ELECTROMECHANICAL / ELECTROACOUSTIC TRANSDUCER |
-
2015
- 2015-01-06 DE DE212015000186.5U patent/DE212015000186U1/en active Active
- 2015-01-06 CN CN201590000912.7U patent/CN207460482U/en not_active Expired - Fee Related
- 2015-01-06 WO PCT/US2015/010333 patent/WO2016039797A1/en active Application Filing
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110891385A (en) * | 2018-09-07 | 2020-03-17 | 苹果公司 | System for increasing dryness of speaker and sensor components exposed to moisture |
| CN110891385B (en) * | 2018-09-07 | 2021-03-19 | 苹果公司 | System for increasing dryness of speaker and sensor components |
| CN109061934A (en) * | 2018-09-30 | 2018-12-21 | 厦门天马微电子有限公司 | Display panel and display device |
| CN109061934B (en) * | 2018-09-30 | 2021-04-30 | 厦门天马微电子有限公司 | Display panel and display device |
| CN111212354A (en) * | 2020-03-19 | 2020-05-29 | 歌尔科技有限公司 | Head-wearing earphone |
| WO2021212305A1 (en) * | 2020-04-21 | 2021-10-28 | 海能达通信股份有限公司 | Magnetic shielding structure, and electronic device |
| CN113628787A (en) * | 2020-05-08 | 2021-11-09 | 苹果公司 | Article with magnetic strip and cable |
| CN113628787B (en) * | 2020-05-08 | 2023-09-05 | 苹果公司 | Article with magnetic stripe and cable |
| US11769616B2 (en) | 2020-05-08 | 2023-09-26 | Apple Inc. | Items with magnetic straps and cables |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016039797A1 (en) | 2016-03-17 |
| DE212015000186U1 (en) | 2017-03-23 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180605 |
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| CF01 | Termination of patent right due to non-payment of annual fee |