CN106412743A - Earphone core and earphone - Google Patents
Earphone core and earphone Download PDFInfo
- Publication number
- CN106412743A CN106412743A CN201610898643.1A CN201610898643A CN106412743A CN 106412743 A CN106412743 A CN 106412743A CN 201610898643 A CN201610898643 A CN 201610898643A CN 106412743 A CN106412743 A CN 106412743A
- Authority
- CN
- China
- Prior art keywords
- earphone
- sound
- piezoelectric ceramic
- ceramic piece
- earphone core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000919 ceramic Substances 0.000 claims abstract description 53
- 230000004044 response Effects 0.000 claims abstract description 5
- 229910052802 copper Inorganic materials 0.000 claims description 16
- 239000010949 copper Substances 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 6
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 230000002889 sympathetic effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000013016 damping Methods 0.000 claims description 2
- 238000003475 lamination Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- LJQOBQLZTUSEJA-UHFFFAOYSA-N 1,2,3,5-tetrachloro-4-(2,3,5,6-tetrachlorophenyl)benzene Chemical compound ClC1=C(Cl)C(Cl)=CC(Cl)=C1C1=C(Cl)C(Cl)=CC(Cl)=C1Cl LJQOBQLZTUSEJA-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
Abstract
The embodiment of the invention provides an earphone core and an earphone, and relates to the technical field of audio playing. In the earphone core provided by the embodiment of the invention, a piezoelectric ceramic piece is combined with a moving coil driving device, the moving coil driving device can produce low frequency sound, the piezoelectric ceramic piece can produce low frequency sound, thereby forming complementation, the earphone core can produce sound with a wider frequency response range, moreover, in the earphone core provided by the embodiment of the invention, no protection cover needs to be additionally arranged for the earphone, thereby solving the problem of complex process and structure while improving the high pitch compensation performance of the earphone. The earphone is provided with the earphone core provided by the invention, thereby being able to produce sound with a wider frequency response range, and being simple in structure, convenient and practical, and good in sound quality effect.
Description
Technical field
The present invention relates to audio frequency play-back technology field, in particular to a kind of earphone core and earphone.
Background technology
With the extensive application of the lossless music of the portable type electronic products such as high-quality smart mobile phone, Pad, people are to can be with it
The requirement of the earphone of fit applications also more and more higher, while requiring its bodily form compact, also require it possess can true to nature again
The high-fidelity tonequality performance of existing various audios.No matter which kind of electronic product above-mentioned, in order to allow user in the shape not disturbing other people
The acoustical signal that electronic product is provided is listened to, earphone has become as the necessary accessory of each electronic product, earphone in addition under condition
Provide listener's preferably transfer voice, so that listener is clearly heard and to understand sound-content.Currently, independent electromagnetic type
Its Hz-KHz of earphone, in 20Hz to 20KHz, has good sound effect, and the tonequality at higher frequency is difficult in existing knot
Improve on structure.
Content of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of earphone core, increases frequency to improve existing earphone
In the case of rate, structure and the more complicated problem of technique.
The another object of the embodiment of the present invention is to provide a kind of earphone, increases the situation of frequency to improve existing earphone
Under, structure and the more complicated problem of technique.
In a first aspect, the embodiment of the present invention provides a kind of earphone core, including moving-coil driving means and piezoelectric ceramic piece, described
Moving-coil driving means include support, tpe electromagnetic sound-producing device and printed circuit board, and described support includes first step and second step, institute
State first step and be provided with the first opening, described second step is provided with the second opening, described first step and described second step group
Close and form resonator, described tpe electromagnetic sound-producing device is arranged at described sympathetic response intracavity, and described piezoelectric ceramic piece is arranged at described first and opens
Mouthful, described printed circuit board is arranged at described second opening, and described piezoelectric ceramic piece is electrically connected with described printed circuit board.
In conjunction with a first aspect, the embodiment of the present invention additionally provides the first possible embodiment of first aspect, wherein, institute
State piezoelectric ceramic piece to be connected by flexible PCB or flexible circuit conductor with described printed circuit board.
In conjunction with a first aspect, the embodiment of the present invention additionally provides the second possible embodiment of first aspect, wherein, institute
State tpe electromagnetic sound-producing device and include Magnet, pole piece and copper band diaphragm coil group, described copper band diaphragm coil group, described pole piece and institute
State Magnet to set gradually.
In conjunction with the second possible embodiment of first aspect, the embodiment of the present invention additionally provides the third of first aspect
Possible embodiment, wherein, described copper band diaphragm coil group includes coil and copper band vibrating diaphragm.
In conjunction with a first aspect, the embodiment of the present invention additionally provides the 4th kind of possible embodiment of first aspect, wherein, institute
State piezoelectric ceramic piece and be provided with least one sound penetrating hole, at least one described sound penetrating hole is used for passing for the sound source of moving-coil driving means
Go out sound.
In conjunction with a first aspect, the embodiment of the present invention additionally provides the 5th kind of possible embodiment of first aspect, wherein, institute
State tpe electromagnetic sound-producing device separate with described piezoelectric ceramic piece and be operated alone.
In conjunction with a first aspect, the embodiment of the present invention additionally provides the 6th kind of possible embodiment of first aspect, wherein, institute
State support to be made up of metal alloy.
In conjunction with a first aspect, the embodiment of the present invention additionally provides the 7th kind of possible embodiment of first aspect, wherein, institute
Stating piezoelectric ceramic piece is single layer piezoelectric body or multi-layer piezoelectric body.
In conjunction with a first aspect, the embodiment of the present invention additionally provides the 8th kind of possible embodiment of first aspect, wherein, institute
State piezoelectric ceramic piece and the side of described support is provided with elastomeric damping layer.
Second aspect, a kind of earphone provided in an embodiment of the present invention, including any of the above-described described earphone core.
Compared with prior art, the earphone core of the present invention passes through piezoelectric ceramic piece and moving-coil combination of drive means, moving-coil
Driving means can send the sound of low frequency, and pressure ceramic piece can send the sound of high frequency, formed complementary, so that earphone core is sent out
Go out the wider array of sound of Hz-KHz, and the embodiment of the present invention does not need to increase protecting cover for earphone core, high improve earphone core
While the performance that sound compensates, also solve technique and baroque problem.
The earphone of the present invention, by being provided with the earphone core of present invention offer, can send the wider array of sound of Hz-KHz,
Structure is simple, and convenient and practical, acoustical quality is good.
For enabling the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to use required in embodiment
Figure is briefly described it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, and it is right to be therefore not construed as
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
The broken away view of the earphone core that Fig. 1 provides for present pre-ferred embodiments.
The structural representation of the earphone core that Fig. 2 provides for present pre-ferred embodiments.
Another viewing angle constructions schematic diagram of the earphone core that Fig. 3 provides for present pre-ferred embodiments.
Icon：10- earphone core；100- moving-coil driving means；101- support；1011- first step；1012- second step；
1013- first opening；1014- second opening；102- tpe electromagnetic sound-producing device；1021- Magnet；1022- pole piece；1023- copper band diaphragm
Coil group；103- printed circuit board；
200- piezoelectric ceramic piece；201- flexible PCB；202- sound penetrating hole；1031- first junction point；203- second connects
Point；204- the 3rd junction point；The long foot of 205-；The short foot of 206-.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.The present invention generally described and illustrated in accompanying drawing herein is implemented
The assembly of example can be arranged with various different configurations and design.
Therefore, below the detailed description of the embodiments of the invention providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the selected embodiment of the present invention.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of not making creative work, broadly falls into the model of present invention protection
Enclose.
Refer to Fig. 1, be the broken away view of earphone core 10 provided in an embodiment of the present invention, earphone provided in an embodiment of the present invention
Core 10 includes moving-coil driving means 100 and piezoelectric ceramic piece 200, described moving-coil driving means 100 and described piezoelectric ceramic piece 200
Electrically connect after assembling.
Specifically, described moving-coil driving means 100 include support 101, tpe electromagnetic sound-producing device 102 and printed circuit board
(Printed Circuit Board, PCB) 103.
Described support 101 includes first step 1011 and second step 1012, described first step 1011 and described second
Step 1012 is truncated conical shape, the diameter with diameter greater than described second step 1012 of described first step 1011.Described
One step 1011 includes the first opening 1013, and described second step 1012 includes the second opening 1014, described first step 1011
Combine formation resonator with described second step 1012, described tpe electromagnetic sound-producing device 102 is arranged at described sympathetic response intracavity, described piezoelectricity
Potsherd 200 is covered on described first opening 1013, and described printed circuit board 103 is covered on described second opening 1014, described
Piezoelectric ceramic piece 200 is electrically connected with described printed circuit board 103.In the present embodiment, described support 101 is made up of metal alloy,
Metal alloy has the advantages that firm, good stability, good heat dissipation.
Described tpe electromagnetic sound-producing device 102 includes Magnet 1021, pole piece 1022 and copper band diaphragm coil group 1023, described copper band
Diaphragm coil group 1023, described pole piece 1022 and described Magnet 1021 set gradually.Described tpe electromagnetic sound-producing device 102 can send
The sound frequency of 20Hz to 20KHz, the sound of this band frequency is relatively low, and tpe electromagnetic sound-producing device 102 is mutual with described piezoelectric ceramic piece 200
Independence and being operated alone.
Copper band diaphragm coil group 1023 includes coil and copper band vibrating diaphragm, because the shape of copper band diaphragm coil group 1023 is permissible
Corresponding with the shape of described support 101, after described Magnet 1021 and pole piece 1022 are wound around upper copper band diaphragm coil group 1023, can be by
Copper band diaphragm coil group 1023, Magnet 1021 and pole piece 1022 put into the resonator in support 101, and described Magnet 1021 He
Pole piece 1022, adjacent to the second opening 1014, is covered on the second opening 1014 respectively by printed circuit board 103 and piezoelectric ceramic piece 200
With the first opening 1013 so as to stabilized structure.
Described printed circuit board 103, also known as printed substrate, is the supporter of electronic devices and components, is electronic devices and components electricity
The carrier that gas connects.Ensure that the quality of earphone core 10 using printed circuit board 103, improve labor productivity, reduce into
This.
Piezoelectric ceramic piece 200 is made up of piezoelectric ceramics, and piezoelectric ceramics is that one kind can be by mechanical energy and the mutual phase transformation of electric energy
Informational function ceramic material-piezoelectric effect, piezoelectric ceramics, in addition to having piezoelectricity, also has dielectricity, elasticity etc., wide
General it is applied to medical imaging, sonic transducer, sonic transducer, ultrasonic motor etc..
Piezoelectric ceramics utilizes its material under mechanical stress effect, causes internal positive and negative charge center relative displacement to occur
Polarization, leads to material two end surfaces the contrary bound charge of symbol and is piezoelectric effect and makes have the characteristic of sensitivity, pressure
Electroceramics is mainly for the manufacture of ultrasonic transducer, underwater acoustic transducer, electroacoustic transducer, ceramic filter, ceramic transformer, pottery
Descriminator, high tension generator, Infrared Detectorss, SAW device, electro-optical device, ignition and blasting device and piezolectric gyroscope etc..
Piezoelectric ceramics has the characteristic of sensitivity, extremely faint mechanical vibration can be converted into the signal of telecommunication, can be used for sound
Receive system, meteorological detection, remote measurement environmental conservation, household electrical appliance etc..The deformation quantity very little that piezoelectric ceramics produces under electric field action,
It is no more than 1st/10000000th of size itself, the precise control mechanism piezoelectric actuator being made based on this principle, right
It is all a big Gospel in the field such as precision instrument and mechanical control, microelectric technique, biological engineering.Resonator, wave filter etc.
Frequency control apparatus, are the Primary Components determining communication equipment performance, and piezoelectric ceramics has obvious superiority in this respect.It
Frequency stability is good, high precision and applicable wide frequency range, and small volume, nonhygroscopic, life-span length, particularly in multichannel communication multiple telecommunication
Anti-interference can be improved in equipment.
Described piezoelectric ceramic piece 200 includes at least one sound penetrating hole 202, and sound penetrating hole 202 is used for moving-coil driving means 100
The relatively low sound of the frequency that sends of tpe electromagnetic sound-producing device 102 send, be conducive to improving tonequality.In the present embodiment, sound penetrating hole 202
Number is 6, and certainly in other specific embodiments, the number of sound penetrating hole 202 can also be other, such as 3,10
Deng.
Described piezoelectric ceramic piece 200 can be made up of single layer piezoelectric body or multi-layer piezoelectric body.Described piezoelectric ceramic piece 200
Side can also include elastic resistance layer (not shown), and described elastic resistance layer is adhered to described piezoelectric ceramic piece 200
The side of near bracket 101.
Refer to Fig. 2, be the structural representation of the earphone core 10 that present pre-ferred embodiments provide.Piezoelectric ceramic piece 200
It is respectively arranged in the first opening 1013 and the second opening 1014 with moving-coil driving means 100, piezoelectric ceramic piece 200 is driven with moving-coil
The printed circuit board 103 of device 100 passes through flexible PCB (Flexible Printed Circuit, FPC) 201 and electrically connects,
Flexible PCB 201 includes four pins, two pins of one end of flexible PCB 201 and the first of printed circuit board 103
Junction point 1031 connects.
Refer to Fig. 3, be the structural representation at another visual angle of earphone core 10 that present pre-ferred embodiments provide.Flexible
The other end of circuit board 201 includes a long foot 205 and a short foot 206, and long foot 205 and short foot 206 are all and piezoelectric ceramic piece
200 connections, described long foot 205 is connected with the second junction point 203 on piezoelectric ceramic piece 200, described short foot 206 and described piezoelectricity
The 3rd junction point 204 on potsherd 200 connects, and described second junction point 203 is adjacent to the center of piezoelectric ceramic piece 200, described
Adjacent to the edge of piezoelectric ceramic piece 200, described second junction point 203 and the 3rd junction point 204 may be contained within 3rd junction point 204
The bottom of the earphone core 10 of piezoelectric ceramic piece 200 is installed.
After piezoelectric ceramic piece 200 is combined with moving-coil driving means 100, moving-coil driving means 100 can send low frequency (such as
20Hz to 20KHz) sound, pressure ceramic piece can send the sound of high frequency (Hz-KHz high band is up to 20Hz to 40KHz),
Formed complementary, enable the earphone core 10 of the present invention to send the wider array of sound of Hz-KHz, and the embodiment of the present invention does not need
Increase protecting cover for earphone core 10, while improve the performance of earphone core 10 high pitch compensation, also solve technique and structure is multiple
Miscellaneous problem.Certainly, in other specific embodiments, piezoelectric ceramic piece 200 can also be made by way of other electrically connect
It is connected with printed circuit board 103, for example, connected by flexible circuit conductor.
Need it is to be noted that the present invention by the moving-coil driving means 100 that can send low frequency and high frequency can be sent piezoelectricity pottery
Ceramics 200 is combined together, and structure is simple, can reduce the special loaded down with trivial details technique increasing unnecessary high-frequency drive device, can
Play the effect improving tonequality.The piezoelectric ceramic piece 200 of the present invention combines has higher technology difficulty on earphone core 10, right
What the tonequality of earphone core 10 improved has preferable effect.
The embodiment of the present invention additionally provides a kind of earphone, this earphone by being provided with the earphone core 10 of the embodiment of the present invention,
The wider array of sound of Hz-KHz can be sent, structure is simple, and convenient and practical, acoustical quality is good.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then do not need it to be defined further and explains in subsequent accompanying drawing.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation of instruction such as " level ", " interior ", " outward " or position relationship are based on orientation shown in the drawings or position relationship, or should
Orientation or position relationship that invention product is usually put when using, are for only for ease of the description present invention and simplify description, and not
It is instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.Additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and can not manage
Solve as indicating or implying relative importance.
Additionally, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and
It is to be slightly tilted.As " level " only refers to for its direction relatively " vertical " more level, it is not this structure of expression
Must be fully horizontal, but can be slightly tilted.
In describing the invention in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or one
Body ground connects；Can be to be mechanically connected or electrically connect；Can be joined directly together it is also possible to by intermediary indirect
It is connected, can be the connection of two element internals.For the ordinary skill in the art, can be with concrete condition understanding
State term concrete meaning in the present invention.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.It should be noted that：Similar label and letter exist
Representing similar terms in figure below, therefore, once being defined in a certain Xiang Yi accompanying drawing, being then not required in subsequent accompanying drawing
It is defined further and to be explained.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, all should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should described be defined by scope of the claims.
Claims (10)
1. it is characterised in that including moving-coil driving means and piezoelectric ceramic piece, described moving-coil driving means include a kind of earphone core
Support, tpe electromagnetic sound-producing device and printed circuit board, described support includes first step and second step, and described first step is provided with
One opening, described second step is provided with the second opening, and described first step combines formation resonator with described second step, described
Tpe electromagnetic sound-producing device is arranged at described sympathetic response intracavity, and described piezoelectric ceramic piece is arranged at described first opening, described printed circuit board
It is arranged at described second opening, described piezoelectric ceramic piece is electrically connected with described printed circuit board.
2. earphone core according to claim 1 is it is characterised in that described piezoelectric ceramic piece is passed through with described printed circuit board
Flexible PCB or flexible circuit conductor connect.
3. earphone core according to claim 1 is it is characterised in that described tpe electromagnetic sound-producing device includes Magnet, pole piece and copper
Circle diaphragm coil group, described copper band diaphragm coil group, described pole piece and described Magnet set gradually.
4. earphone core according to claim 3 is it is characterised in that described copper band diaphragm coil group includes coil and copper band shakes
Film.
5. earphone core according to claim 1 is it is characterised in that described piezoelectric ceramic piece is provided with least one entrant sound
Hole, at least one described sound penetrating hole is used for spreading out of sound for the sound source of moving-coil driving means.
6. earphone core according to claim 1 is it is characterised in that described tpe electromagnetic sound-producing device is mutual with described piezoelectric ceramic piece
Independence and being operated alone.
7. earphone core according to claim 1 is it is characterised in that described support is made up of metal alloy.
8. earphone core according to claim 1 is it is characterised in that described piezoelectric ceramic piece is single layer piezoelectric body or many laminations
Electric body.
9. earphone core according to claim 1 is it is characterised in that described piezoelectric ceramic piece sets adjacent to the side of described support
It is equipped with elastomeric damping layer.
10. a kind of earphone is it is characterised in that include the arbitrary described earphone core of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610898643.1A CN106412743A (en) | 2016-10-14 | 2016-10-14 | Earphone core and earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610898643.1A CN106412743A (en) | 2016-10-14 | 2016-10-14 | Earphone core and earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106412743A true CN106412743A (en) | 2017-02-15 |
Family
ID=59228844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610898643.1A Pending CN106412743A (en) | 2016-10-14 | 2016-10-14 | Earphone core and earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106412743A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204498328U (en) * | 2015-03-20 | 2015-07-22 | 捷音特科技股份有限公司 | Piezoelectric ceramic double frequency bass strengthens earphone |
| CN204633964U (en) * | 2015-06-02 | 2015-09-09 | 捷音特科技股份有限公司 | The double frequency earphone of piezoelectric speaker structure and applying piezoelectric ceramic horn structure |
| CN105959851A (en) * | 2016-06-14 | 2016-09-21 | 常州市武进晶丰电子有限公司 | Ear type treble compensation headphone |
| TWM529998U (en) * | 2016-05-09 | 2016-10-01 | Tw Siyoto Electronic Co Ltd | Earphone of moving coil piezoelectric two-tone speaker |
| CN206117961U (en) * | 2016-10-14 | 2017-04-19 | 常州市武进晶丰电子有限公司 | Earphone core and earphone |
-
2016
- 2016-10-14 CN CN201610898643.1A patent/CN106412743A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204498328U (en) * | 2015-03-20 | 2015-07-22 | 捷音特科技股份有限公司 | Piezoelectric ceramic double frequency bass strengthens earphone |
| CN204633964U (en) * | 2015-06-02 | 2015-09-09 | 捷音特科技股份有限公司 | The double frequency earphone of piezoelectric speaker structure and applying piezoelectric ceramic horn structure |
| TWM529998U (en) * | 2016-05-09 | 2016-10-01 | Tw Siyoto Electronic Co Ltd | Earphone of moving coil piezoelectric two-tone speaker |
| CN105959851A (en) * | 2016-06-14 | 2016-09-21 | 常州市武进晶丰电子有限公司 | Ear type treble compensation headphone |
| CN206117961U (en) * | 2016-10-14 | 2017-04-19 | 常州市武进晶丰电子有限公司 | Earphone core and earphone |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10003887B2 (en) | Miniature sound generator | |
| US9813821B1 (en) | Miniature sound generator | |
| US10091570B2 (en) | Miniature sound generator | |
| JP5428861B2 (en) | Piezoelectric acoustic element and electronic device | |
| KR20040081470A (en) | Flexible diaphragm with integrated coil | |
| CN203352639U (en) | Screen sounding device and mobile terminal using same device | |
| WO2020228050A1 (en) | Sound actuator for screen, and electronic apparatus | |
| CN101778327A (en) | Electricity and sound conversion method and device | |
| WO2021093749A1 (en) | Voice coil assembly and loudspeaker | |
| JPWO2013099512A1 (en) | Vibration device, sound generator, speaker system, electronic equipment | |
| CN108810767A (en) | The production method of loud speaker and loud speaker | |
| US10979823B2 (en) | Sound generator | |
| EP1481569B1 (en) | Flexible diaphragm with integrated coil | |
| CN101959105B (en) | Electrostatic loudspeaker | |
| CN206117961U (en) | Earphone core and earphone | |
| CN207475864U (en) | A kind of sound-producing device and electronic equipment | |
| CN201523448U (en) | Speaker and portable electronic equipment | |
| CN117641206A (en) | Sound producing device and electronic equipment | |
| CN201515491U (en) | Electrostatic type loudspeaker | |
| CN204887463U (en) | Terminal that vibrates vocal structure and have vocal structure of this vibration | |
| US11589167B1 (en) | Multifunctional electromagnetic transducer | |
| CN203896502U (en) | Piezoelectric loudspeaker | |
| CN112312285A (en) | Voice coil, loudspeaker and portable electronic equipment | |
| CN106412743A (en) | Earphone core and earphone | |
| CN108540908A (en) | A kind of sound-producing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |