CN106303779A - Earphone - Google Patents
Earphone Download PDFInfo
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- CN106303779A CN106303779A CN201510300870.5A CN201510300870A CN106303779A CN 106303779 A CN106303779 A CN 106303779A CN 201510300870 A CN201510300870 A CN 201510300870A CN 106303779 A CN106303779 A CN 106303779A
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- Headphones And Earphones (AREA)
Abstract
This application discloses a kind of earphone.This earphone includes: electronic frequency divider, for the signal of audio frequency simulation being separated into high-frequency signal, low frequency signal according to the difference of frequency, including high pass filter and low pass filter；Loudspeaker unit, is electrically connected with high pass filter；Mediant trumpet unit；Bass horn unit, is electrically connected with low pass filter.In this earphone, the signal of different frequency is assigned to different loudspeaker units, on the one hand, can overcome the interference of sound phenomenon between the loudspeaker unit of different operating frequency range；On the other hand, each loudspeaker unit all works in optimal frequency range, reduces frequency distortion, it is achieved that high-fidelity plays the purpose of sound.
Description
Technical field
The application relates to a kind of sound transmission system, particularly relates to a kind of earphone.
Background technology
Earphone in prior art, classifies according to its transducing mode, can have moving-coil type, moving-iron type etc..
Moving coil earphone, principle is similar to dynamic speaker.The coil being wound around is connected with vibrating diaphragm and is placed in forever
In magnetic field.Coil produces change under the driving of signal code, drives vibrating diaphragm sounding.In moving coil earphone,
Vibrating diaphragm has fold.Vibration of membrane of shaking includes the stretching, extension of vibrating diaphragm and contraction and the deformation of fold.
Moving-iron type earphone, also known as balanced armature formula earphone.The oscillating component of this kind of earphone is one and is suspended in electricity
The iron plate in Magnet front and the vibrating diaphragm that can be driven by iron plate.Signal code can make electromagnetism through electric magnet when
Ferrum changes of magnetic field, so that iron plate drives diaphragm oscillations sounding.
During realizing prior art, inventor finds that in prior art, at least there are the following problems:
The coil of moving coil earphone is placed in permanent magnetic field.Coil forms the electromagnetism of change under signal code effect
?.This electromagnetic field forms the active force of coil vibration with permanent magnetic field.Coil vibrates under this active force.Vibration
Can conduct to the vibrating diaphragm being connected with coil.Diaphragm oscillations produces pleat on the stretching, extension of vibrating diaphragm, contraction and vibrating diaphragm
The deformation of wrinkle.IF signal current, the high frequency signal current of 5khz to 20khz as 150hz to 5khz
Through coil, the frequency of signal code change and the deformation of fold on the stretching, extension of vibrating diaphragm, contraction and vibrating diaphragm
Frequency of vibration produce bigger difference on the frequency, thus, moving coil earphone is relative to IF signal current, high frequency
The response of signal code is poor.
Relative, the oscillating component of moving-iron type earphone is an iron plate being suspended in electric magnet front and by iron plate
The vibrating diaphragm driven.Signal code can make electric magnet changes of magnetic field through electric magnet when, so that iron plate band
Dynamic diaphragm oscillations sounding.When IF signal current, high frequency signal current are through electric magnet, electric magnet magnetic field
Change can make an immediate response.But, for low-frequency singalling current, the electromagnetic field of electric magnet is the most slowly varying,
And then cause moving-iron type earphone for the difference in response of low-frequency singalling current.
Summary of the invention
The embodiment of the present application provides a kind of earphone done very well on the full frequency band of 20hz to 20khz, specifically
, a kind of earphone, including:
Electronic frequency divider, for the signal of audio frequency simulation is separated into according to the difference of frequency high-frequency signal, in
Frequently signal, low frequency signal, including high pass filter, band filter and low pass filter；
Loudspeaker unit, is electrically connected with high pass filter；
Mediant trumpet unit, is electrically connected with band filter；
Bass horn unit, is electrically connected with low pass filter.
The earphone that the embodiment of the present application provides, at least has the advantages that
When this earphone works, the signal of different frequency is assigned to different loudspeaker units, on the one hand, can
To overcome the interference of sound phenomenon between the loudspeaker unit of different operating frequency range；On the other hand, each loudspeaker unit
All work in optimal frequency range, reduce frequency distortion, it is achieved that high-fidelity plays the purpose of sound.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes of the application
Point, the schematic description and description of the application is used for explaining the application, is not intended that to the application not
Work as restriction.In the accompanying drawings:
The fundamental diagram of the circuit part of the earphone that Fig. 1 provides for the embodiment of the present application.
The circuit diagram that the high pass filter that Fig. 2 provides for the embodiment of the present application is connected with loudspeaker unit.
The circuit diagram that the mediant trumpet unit that Fig. 3 provides for the embodiment of the present application connects.
The circuit diagram that the low pass filter that Fig. 4 provides for the embodiment of the present application is connected with bass horn unit.
The complete circuit diagram of the circuit part of the earphone that Fig. 5 provides for the embodiment of the present application.
The structural representation of the human ear that Fig. 6 provides for the embodiment of the present application.
The exploded view of one angle of the earphone that Fig. 7 provides for the embodiment of the present application.
Another angle decomposition figure of earphone that Fig. 8 provides for the embodiment of the present application.
The schematic perspective view of one angle of earphone that Fig. 9 provides for the embodiment of the present application.
The schematic perspective view of another angle of earphone that Figure 10 provides for the embodiment of the present application.
Schematic diagram when Figure 11 wears for the earphone that the embodiment of the present application provides.
Detailed description of the invention
For making the purpose of the application, technical scheme and advantage clearer, specifically real below in conjunction with the application
Execute example and technical scheme is clearly and completely described by corresponding accompanying drawing.Obviously, described
Embodiment is only some embodiments of the present application rather than whole embodiments.Based on the enforcement in the application
Example, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of the application protection.
As it is shown in figure 1, the fundamental diagram of circuit part of the earphone provided for the embodiment of the present application.At this
In application embodiment, the circuit part of earphone can include electronic frequency divider 1, high frequency power amplifier 21,
IF power amplifier 22, low-frequency power amplifier 23, loudspeaker unit 31, mediant trumpet unit 32,
Bass horn unit 33.
Electronic frequency divider 1, for the audio analog signals by input, according to the difference of frequency, is separated into high frequency
The signal of the different frequency range such as signal, low frequency signal.High-frequency signal after separation, low frequency signal, can be divided
Do not send in corresponding loudspeaker unit 31, bass horn unit 33 and play.The signal quilt of different frequency
Distribution is to different loudspeaker units, on the one hand, can overcome the sound between the loudspeaker unit of different operating frequency range
Sound interference；On the other hand, each loudspeaker unit all works in optimal frequency range, reduces frequency
Distortion, it is achieved that high-fidelity plays the purpose of sound.
Wherein, high frequency power amplifier 21, IF power amplifier 22, low-frequency power amplifier 23 are with high
Transmission line can be only had to connect between sound loudspeaker unit 31, mediant trumpet unit 32, bass horn unit 33,
And do not connect other electronic devices and components affecting tonequality, thus reduce frequency distortion.Electronic frequency divider 1
Load, high frequency power amplifier 21, IF power amplifier 22, low-frequency power amplifier can be included
23.High frequency power amplifier 21, IF power amplifier 22, the input impedance of low-frequency power amplifier 23
High and stable, thus it is easily adjusted the part-frequency point between high-frequency signal, intermediate-freuqncy signal and low frequency signal, control
System frequency dividing precision.And, the narrower bandwidth of each frequency range of electronic frequency divider 1, make nonlinear distortion cause
Higher hamonic wave be suppressed, reduce harmonic distortion and intermodulation distortion.
Electronic frequency divider 1 can be the filter network being made up of capacitor, can include high pass filter, low
Bandpass filter.
Refer to Fig. 2, the electricity that is connected with loudspeaker unit of high pass filter provided for the embodiment of the present application
Lu Tu.The function of this high pass filter is for passing through by high-frequency signal, obstruction low frequency signal.This high-pass filtering
Device can include capacitor 11.Wherein, the electric capacity of capacitor 11 is between 1.1uF-3.3uF.At mixing letter
When number flowing through capacitor 11, owing to capacitor 11 has the character of logical high frequency resistance low frequency, thus frequency is less than
The intermediate-freuqncy signal below part-frequency point between high-frequency signal and intermediate-freuqncy signal and low frequency signal, by capacitor 11
Obstruction is passed through, and high-frequency signal is able to by capacitor 11.Part-frequency point between high-frequency signal and intermediate-freuqncy signal
Between 1.5kHz-2.5kHz.After high pass filter, enter the high-frequency signal of loudspeaker unit 31
Frequency range between 1.5kHz-20kHz.Capacitor 11 can produce voltage after high-frequency signal passes through,
In order to loudspeaker unit 31 is carried out voltage compensation, such that it is able to reduce high-frequency signal realistically.
Refer to Fig. 3, the circuit diagram of mediant trumpet unit 32 connection is provided for the embodiment of the present application.Mixing
Signal sends sound after entering mediant trumpet unit 32.
Refer to Fig. 4, the electricity that is connected with bass horn unit of low pass filter provided for the embodiment of the present application
Lu Tu.The function of this low pass filter is by low frequency signal, hinders high-frequency signal and intermediate-freuqncy signal to pass through.
This low pass filter can include capacitor 12.The electric capacity of capacitor 12 is between 20uF-200uF.Electric capacity
Device 12 is in parallel with bass horn unit 33.Owing to capacitor 11 has the character of logical high frequency resistance low frequency, mixed
Close the high-frequency signal in signal and intermediate-freuqncy signal preferentially flows through from capacitor 12 and do not enters back into bass horn
Unit 33, low frequency signal then preferentially enters bass horn unit 33 due to the obstruction of capacitor 12.Low frequency is believed
Number bass horn unit 33 is made to send sound.Part-frequency point between intermediate-freuqncy signal and low frequency signal is positioned at
Between 350Hz-450Hz.After low pass filter, enter the low frequency signal of bass horn unit 33
Frequency range is between 20Hz-450Hz.Capacitor 12 can produce negative voltage, in order to bass horn list
Unit 33 carries out voltage compensation, such that it is able to reduce low frequency signal realistically.
In actual frequency divider, refer to Fig. 5, except capacitance compensation above, it is also possible to add decay
Resistance 13, damping resistance 14, damping resistance 15 are to balance loudspeaker unit 31, mediant trumpet list
Sensitivity difference between unit 32, bass horn unit 33, makes loudspeaker unit 31, mediant trumpet list
Unit 32, the transition point of the impedance curve of bass horn unit 33 place circuit can smooth, in order to merit
Rate amplifier drives.
Loudspeaker unit 31 can use moving-iron type.Loudspeaker unit 31 can include electric magnet, hang
Float over the movable piece that the ferrimagnet of electric magnet action direction is made and the vibrating diaphragm driven by movable piece.
Wherein, movable piece can be made up of ferrimagnets such as ferrum, cobalt, nickel.The shape of movable piece can be according to reality
The needing of border uses lamellar, the suitable shape such as shaft-like.High-frequency signal can make electromagnetism through electric magnet when
Ferromagnetic field changes.Movable piece moves under the electromagnetic field effect of change, and then drives diaphragm oscillations sounding.
Mediant trumpet unit 32 equally uses moving-iron type.Mediant trumpet unit 32 can include electric magnet,
It is suspended in movable piece that the ferrimagnet of electric magnet action direction makes and by shaking that movable piece drives
Film.Wherein, movable piece can be made up of ferrimagnets such as ferrum, cobalt, nickel.The shape of movable piece can root
Factually border need use lamellar, the suitable shape such as shaft-like.Signal can make electromagnetism through electric magnet when
Ferromagnetic field changes.Movable piece moves under the electromagnetic field effect of change, and then drives diaphragm oscillations sounding.
Bass horn unit 33 can take moving-coil type.Bass horn unit 33 can include permanent magnet, limit
The conductive coil that the vibrating diaphragm that edge is fixed is connected with vibrating diaphragm.Conductive coil is placed in the permanent magnetic field of permanent magnet.
Signal, through conductive coil when, produces the electromagnetic field of change.The attraction of electromagnetic field and permanent magnetic field or repulsion
Form the active force of conductive coil vibration.Conductive coil vibrates under this active force.Vibration can conduct to
The vibrating diaphragm that conductive coil is connected, and then drive diaphragm oscillations sounding.In the embodiment of the present application, vibrating diaphragm is straight
Footpath is at 10mm.
In the embodiment that the application provides, electronic frequency divider 1 carried out the frequency dividing of signal before power amplification
Process.Before power amplification, carry out the frequency dividing of signal, easily signal is thoroughly divided.In order to avoid interfering,
Near part-frequency point, every octave sound pressure level declines 3dB, and the phase place of signal is identical.
Refer to Fig. 6, for the schematic diagram of human ear.Human ear includes ear front 41, hard of hearing face 42.Ear front
41 have concha auriculae 411, tragus 412 and auditory meatus 413.
Refer to Fig. 7 and Fig. 8, in the embodiment of the present application, earphone 5 includes mutually being coupled to together
First half-shell 51 and the second half-shell 52, it is also possible to include the liner 53 being connected to auditory meatus 413.Liner
53 are made up of silica gel material, close with the pliability of auditory meatus 413 inner skin, for improve wear comfortable
Sense.
Wherein, first half-shell 51 includes the first housing 511 that can be contained in concha auriculae 411 and from the first housing
511 extend enter ear 512.Liner 53 is coated on around ear 512.First half-shell 51 and second
Half-shell 52 collectively constitutes shell 50, for protecting installing electronic devices and components in the inner.
In the embodiment of the present application, the first space of formation is surrounded both first half-shell 51 and the second half-shell 52
501.Entering ear 512 from what first half-shell 51 was extended, inside has second space 502.Enter ear 512
It is provided with leak 5121, for being delivered in auditory meatus 413 by sound wave.First space 501 and second space
502 are mutually communicated.First half-shell 51 is respectively provided with the first installing zone installing loudspeaker unit 31
513, for installing the second installing zone 514 of mediant trumpet unit 32, for installing bass horn unit 33
The 3rd installing zone 515.In the research experiment of acoustics, the high pitch existence of 5khz-8khz makes us irritated
Dental.High pitch sound wave and middle pitch sound wave can be in second space 502 internal reflections, finally from leak 5121
Enter auditory meatus 413.High pitch sound wave and middle pitch sound wave produce decay in second space 502 internal reflection, so that
Obtain dental amplitude to reduce, improve the sound quality of output.As seen from Figure 7, it is used for bass horn is installed
3rd installing zone 515 of unit 33 and the distance entering ear 512, relative to the first installing zone 513 or the
Two installing zones 514 are big with the distance entering ear.Bass sound wave can through the reflection in the first space 501,
The reflection in two spaces 502, finally enters auditory meatus 413 from leak 5121.First space 501 and
Two spaces 502 provide the space that bass vibrates jointly, can produce the spatial impression of bass, superposition front and back low
Speech ripple can improve the supper bass effect of earphone.
The density of shell 50 is the highest, and sound is the lowest to the vibration of cavity, disturbs the lowest；Material is the thickest,
The best to the playback effect of sound, low-frequency effect is the best.In the embodiment that the application provides, shell
The material that have employed engineering plastics of 50, thickness is between 1mm-2mm.It should be pointed out that, in order to carry
The performance performance of high sound, it is also possible to use metal, wooden, the shell of bamboo matter, it is also possible to suitable increase
The thickness of shell.
In the embodiment that the application provides, by the way of Active crossover and mechanical frequency division, improve earphone
The performance of performance sound.
In prior art, according to the connected mode of earphone Yu human body, wear-type, supra-aural can be included, enter
Ear formula three kinds.Headband receiver cladding ear, when wearing for a long time, or causes wearer's ear to be pressed from both sides
Pain, or cause the burning sensation that ear sealed.Supra-aural earphone, when wearing, can cause ear equally
The pain pressed from both sides, and, when sound is bigger, the problem ratio that sound leaks in environment is more prominent.Enter
A kind of weight relying on auditory meatus 413 to carry earphone in aural headphone, therefore, In-Ear Headphones probes into auditory meatus
Relatively deep, in order to prevent earphone from slipping, earphone is bigger with the frictional force of ear.Frictional force rely primarily on earphone with
The thrust of ear provides, and on the one hand can cause the swollen sense of auditory meatus 413, on the other hand hinders auditory meatus 413
The circulation of interior air, have impact on the eupnea of auditory meatus 413 inner skin, and therefore, comfort is not enough.Additionally
A kind of In-Ear Headphones, relies primarily on the shell of earphone and the engaging of tragus 412, tragus 412 and shell
Contact area is little, and therefore, when wearing for a long time, shell compresses tragus 412, have impact on tragus 412 with outer
The blood circulation of shell contact portion, brings pain.
Refer to Fig. 9 and Figure 10, the profile of the first housing 511 of earphone 5 is the concha auriculae 411 with indent
The ellipsoid shape of adaptive evagination.First housing 511 can snap in concha auriculae 411, in order to load capacity.At this
In application embodiment, that the first housing 511 provides, for the contact area that coordinates with concha auriculae 411, long-range
In the contact area of tragus 412 with shell, thus, when the first housing 511 coordinates with concha auriculae 411, extruding
The pressure of concha auriculae 411 is little, affects little on the blood circulation of concha auriculae 411, thus the comfort worn obtains
Promote.
In the another embodiment that the application provides, when wearing earphone 5, first half-shell 51 and the second half-shell
The face that connects 500 of 52 is substantially vertical with auditory meatus 413.Enter ear 512 with connect face 500 tilt intersect,
Tilt to probe into auditory meatus 413 it is to say, enter ear 512.When wearing earphone, enter ear 512 and auditory meatus 413
Between be formed slopely ventilation gap.This ventilation gap is available for the air stream between auditory meatus 413 and concha auriculae 411
Dynamic, in order to the eupnea of auditory meatus 413 inner skin, improve the comfort that earphone is worn.
In the another embodiment that the application provides, the first housing 511 of earphone is convex, with inner concavity
Concha auriculae 411 adaptive, concha auriculae 411, auditory meatus 413 are isolated relative to the external world, such that it is able to outside noise
Enter auditory meatus 413, it is to avoid extraneous interference.Further, in order to improve the comfortableness worn, first
Housing 511 can be selected and human body skin smoothness, the silica gel material of air tightness approximation.Or, first
The surface spraying silica gel material of housing 511 and other composites.
In the another embodiment that the application provides, the second half-shell 52 outer surface of earphone 5 is polyhedron.
The structures such as the rib that is crossed to form between face and face in polyhedron, point can provide frictional force, it is simple in ear
Pick and place earphone 5.In this embodiment, the first housing 511 and the second half-shell 52 are in the projection connecting face 500
Area is roughly the same.So, the first housing 511 and the second half-shell 52 are whether welded or bonding, the
The face that connects 500 of one housing 511 and the second half-shell 52 is respectively positioned near the profile of shell 50 of earphone 5,
It is easy to dismounting when assembling when producing and maintenance.
It is easily understood that relative to the first housing 511 and the second half-shell 52 in the projection connecting face 500
Area is roughly the same, can be according to actual design requirement, and the first housing 51 can expand absorption part the
Two half-shell 52, form the first housing 51 and the second half-shell 52 of relative decrease relatively expanded.Or, shape
Become the first housing 51 of relative decrease and the second half-shell 52 of relative expansion.
In the another embodiment that the application provides, shell 50 includes that main body 501 and autonomous agent 501 extend
Segmenta 502.Bifurcated 503 is formed to capture between segmenta 502 and main body 501.
In the another embodiment that the application provides, refer to Figure 11, for wearing schematic diagram during earphone 5.
Earphone 5 can include holding wire 54.The protection of hollow it is provided with between first half-shell 51 and the second half-shell 52
Plug 55.This protection fills in 55 hollows so that holding wire 54 extends there through.This earphone 5 when wearing, signal
Line 54 around ear front 41, enters earphone 5 through protection plug 55 internal from hard of hearing face 42.Protection plug 55
Outer holding wire 54 is at an acute angle with protection plug 55 centrages.When holding wire 54 is pullled, arc
Hard of hearing face 42 can be offset a part with flexible holding wire 54 frictional force and be pullled power.Outside protection plug 55
Holding wire 54 is at an acute angle with protection plug 55 centrages, forms fulcrum at the turning point of holding wire 54, permissible
Offset a part further and pull power.It is eventually transferred to the internal remaining power of pullling of earphone 5 greatly reduce,
Thus it is possible to prevent the pad on holding wire 54 to disconnect because pullling, prevent the risk that earphone 5 damages,
Improve the quality of earphone.
The earphone 5 that the embodiment of the present application provides, the first half-shell 51 of earphone 5 and the second half-shell 52 can be divided
Other injection mo(u)lding forms.Bass horn unit 33 loads the 3rd installing zone 515 of first half-shell 51.High pitch
Loudspeaker unit 31 loads the first installing zone 513 of first half-shell 51.Mediant trumpet unit 32 loads first
Second installing zone 514 of half-shell 51.Then, together with first half-shell 51 is fastened to the second half-shell 52.
This earphone 5 is when wearing, and the ear 512 that enters of earphone 5 probes into auditory meatus 413；First shell of earphone 5
Body 511 is fitted concha auriculae 411；Holding wire 54 extends from ear front 41 and hangs around hard of hearing face 42.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or meter
Calculation machine program product.Therefore, the present invention can use complete hardware embodiment, complete software implementation or knot
The form of the embodiment in terms of conjunction software and hardware.And, the present invention can use and wherein wrap one or more
Computer-usable storage medium containing computer usable program code (include but not limited to disk memory,
CD-ROM, optical memory etc.) form of the upper computer program implemented.
The present invention is with reference to method, equipment (system) and computer program product according to embodiments of the present invention
The flow chart of product and/or block diagram describe.It should be understood that can by computer program instructions flowchart and
/ or block diagram in each flow process and/or flow process in square frame and flow chart and/or block diagram and/
Or the combination of square frame.These computer program instructions can be provided to general purpose computer, special-purpose computer, embedding
The processor of formula datatron or other numerical value processing equipments able to programme is to produce a machine so that by calculating
The instruction that the processor of machine or other numerical value processing equipments able to programme performs produces for realizing at flow chart one
The device of the function specified in individual flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and computer or the process of other numerical value able to programme can be guided to set
In the standby computer-readable memory worked in a specific way so that be stored in this computer-readable memory
Instruction produce and include the manufacture of command device, this command device realizes in one flow process or multiple of flow chart
The function specified in flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other numerical value processing equipments able to programme, makes
Sequence of operations step must be performed to produce computer implemented place on computer or other programmable devices
Reason, thus the instruction performed on computer or other programmable devices provides for realizing flow chart one
The step of the function specified in flow process or multiple flow process and/or one square frame of block diagram or multiple square frame.
In a typical configuration, calculating equipment includes one or more processor (CPU), input/defeated
Outgoing interface, network interface and internal memory.
Internal memory potentially includes the volatile memory in computer-readable medium, random access memory
(RAM) and/or the form such as Nonvolatile memory, such as read only memory (ROM) or flash memory (flash
RAM).Internal memory is the example of computer-readable medium.
Computer-readable medium includes that removable media permanent and non-permanent, removable and non-can be by appointing
Where method or technology realize information storage.Information can be computer-readable instruction, value structure, program
Module or other numerical value.The example of the storage medium of computer includes, but are not limited to phase transition internal memory
(PRAM), static RAM (SRAM), dynamic random access memory (DRAM), its
The random access memory (RAM) of his type, read only memory (ROM), electrically erasable are read-only
Memorizer (EEPROM), fast flash memory bank or other memory techniques, read-only optical disc read only memory
(CD-ROM), digital versatile disc (DVD) or other optical storage, magnetic cassette tape, tape magnetic
Disk storage or other magnetic storage apparatus or any other non-transmission medium, can be used for storage can be calculated
The information that equipment accesses.According to defining herein, computer-readable medium does not include temporary computer-readable matchmaker
Body (transitory media), such as numerical signal and the carrier wave of modulation.
Also, it should be noted term " includes ", " comprising " or its any other variant are intended to non-row
Comprising, so that include that the process of a series of key element, method, commodity or equipment not only include of his property
Those key elements, but also include other key elements being not expressly set out, or also include for this process,
The key element that method, commodity or equipment are intrinsic.In the case of there is no more restriction, statement " include
One ... " key element that limits, it is not excluded that including the process of described key element, method, commodity or setting
Other identical element is there is also in Bei.
It will be understood by those skilled in the art that embodiments herein can be provided as method, system or computer journey
Sequence product.Therefore, the application can use complete hardware embodiment, complete software implementation or combine software and
The form of the embodiment of hardware aspect.And, the application can use and wherein include calculating one or more
The computer-usable storage medium of machine usable program code (include but not limited to disk memory, CD-ROM,
Optical memory etc.) form of the upper computer program implemented.
The foregoing is only embodiments herein, be not limited to the application.For this area skill
For art personnel, the application can have various modifications and variations.All institutes within spirit herein and principle
Any modification, equivalent substitution and improvement etc. made, within the scope of should be included in claims hereof.
Claims (14)
1. an earphone, it is characterised in that including:
Electronic frequency divider, for being separated into high-frequency signal, low by the signal of audio frequency simulation according to the difference of frequency
Frequently signal, including high pass filter and low pass filter；
Loudspeaker unit, is electrically connected with high pass filter；
Mediant trumpet unit；
Bass horn unit, is electrically connected with low pass filter.
2. earphone as claimed in claim 1, it is characterised in that described loudspeaker unit and middle pitch loudspeaker
Unit is moving-iron type, and described bass horn unit is moving-coil type.
3. earphone as claimed in claim 1, it is characterised in that described loudspeaker unit and capacitor
Series connection.
4. earphone as claimed in claim 1, it is characterised in that described bass horn unit and capacitor
In parallel.
5. earphone as claimed in claim 1, it is characterised in that described loudspeaker unit, middle pitch loudspeaker
Unit, bass horn unit are connected with damping resistance.
6. earphone as claimed in claim 1, it is characterised in that the part-frequency point of described high frequency intermediate frequency is positioned at
Between 1.5kHz-2.5kHz.
7. earphone as claimed in claim 1, it is characterised in that the part-frequency point of described intermediate frequency low frequency is positioned at
Between 350Hz-450Hz.
Earphone the most as claimed in claims 6 or 7, it is characterised in that near described part-frequency point, every times
The sound pressure level of sound interval signal declines 3dB, and the phase place of signal is identical.
9. earphone as claimed in claim 1, it is characterised in that described earphone includes shell；
Described shell is provided with the leak for passing out for vibration air；
Described loudspeaker unit and mediant trumpet unit are contained in shell, are positioned at shell near leak
Side；
Described bass horn unit is contained in the shell side away from leak；
Described loudspeaker unit, mediant trumpet unit, that bass horn unit goes out sound direction is identical.
10. earphone as claimed in claim 1, it is characterised in that described earphone includes shell；
Shell has first half-shell and the second half-shell connected with first half-shell；
First half-shell includes the first housing that can be contained in concha auriculae and extends from the first housing, can probe into auditory meatus
Enter ear；
Wherein, the profile of the first housing is the ellipsoid shape of the adaptive evagination of concha auriculae with indent.
11. earphones as claimed in claim 1, it is characterised in that described earphone includes shell；
Shell has first half-shell and the second half-shell connected with first half-shell；
The appearance of the second housing is polyhedral, the rib abutted to form between polyhedral and face with point for
Frictional force is provided.
12. earphones as claimed in claim 1, it is characterised in that described earphone includes shell；
Shell has first half-shell and the second half-shell connected with first half-shell；
The protection plug of hollow it is provided with between first half-shell and the second half-shell；
Described earphone be additionally provided with from hollow protection plug through holding wire.
13. earphones as claimed in claim 11, it is characterised in that described earphone is when wearing, described
Holding wire can enter inside earphone through protection from hard of hearing the concha auriculae around ear front.
14. earphones as claimed in claim 1, it is characterised in that described earphone includes shell；
Shell includes the segmenta that main body and autonomous agent extend；
The bifurcated for capturing is formed between segmenta and main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510300870.5A CN106303779B (en) | 2015-06-03 | 2015-06-03 | Earphone |
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|---|---|---|---|
| CN201510300870.5A CN106303779B (en) | 2015-06-03 | 2015-06-03 | Earphone |
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| CN106303779A true CN106303779A (en) | 2017-01-04 |
| CN106303779B CN106303779B (en) | 2019-07-12 |
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| CN201510300870.5A Active CN106303779B (en) | 2015-06-03 | 2015-06-03 | Earphone |
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| CN114125661B (en) * | 2017-03-30 | 2024-05-31 | 奇跃公司 | Sound reproduction system and head-mounted device |
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| CN108540905B (en) * | 2018-05-14 | 2021-09-10 | 祁家堃 | Frequency divider circuit and frequency divider |
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| CN108600916A (en) * | 2018-05-14 | 2018-09-28 | 祁家堃 | Acoustics circuit and system |
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| US11159870B2 (en) | 2019-04-30 | 2021-10-26 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus |
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| US11540038B2 (en) | 2019-04-30 | 2022-12-27 | Shenzhen Shokz Co., Ltd. | Acoustic device |
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| US11178477B2 (en) | 2019-04-30 | 2021-11-16 | Shenzhen Voxtech Co., Ltd. | Acoustic output apparatus with a plurality of acoustic drivers and methods thereof |
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| WO2020220733A1 (en) * | 2019-04-30 | 2020-11-05 | 深圳市韶音科技有限公司 | Earphone without blocking ears |
| US11356763B2 (en) | 2019-04-30 | 2022-06-07 | Shenzhen Shokz Co., Ltd. | Open earphone |
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