CN108111946A - Vibration sounding structure and terminal - Google Patents
Vibration sounding structure and terminal Download PDFInfo
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- CN108111946A CN108111946A CN201711317195.2A CN201711317195A CN108111946A CN 108111946 A CN108111946 A CN 108111946A CN 201711317195 A CN201711317195 A CN 201711317195A CN 108111946 A CN108111946 A CN 108111946A
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- flanging
- oscillating plate
- housing
- fixed edge
- vibration sounding
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- Diaphragms For Electromechanical Transducers (AREA)
Abstract
The present invention discloses a kind of vibration sounding structure, including housing, first fixed edge, second fixed edge, oscillating plate, coupling pad and piezoelectric speaker, first fixed edge and the second fixed edge are respectively coated by the both ends that housing is oppositely arranged, first fixed edge and the second fixed edge include the first flanging and the second flanging that bending is set respectively, first flanging and the second flanging are oppositely arranged and mutually towards extensions, oscillating plate connects the first flanging and the second flanging, there is a gap between oscillating plate and housing, coupling pad is arranged in gap, piezoelectric speaker is fitted in the region that housing is connected with coupling pad, vibrational energy is transferred on oscillating plate by coupling pad with realization and generates the effect of sound wave.The vibrational energy of piezoelectric speaker, is transferred on oscillating plate by vibration sounding structure provided by the invention by coupling pad, can be generated efficient sound wave by the vibration of oscillating plate, and can be improved sensitivity.
Description
Technical field
The present invention relates to technical field of electronic products more particularly to a kind of vibration sounding structures and terminal.
Background technology
Loud speaker is a kind of electricity-power-sonic transducer, it is the critical elements in stereo set.Loud speaker in people usually
Daily life in used extensively, bring many facilities, the electricity such as automobile, broadcast, TV, speaker, mobile phone, MP4, computer
In sub- product scope, the application of loud speaker is almost seen everywhere.There are many species of loud speaker, can be divided by its energy conversion principle
Electrodynamic type (i.e. moving-coil type), electrostatic (i.e. condenser type), electromagnetic type (i.e. reed), piezoelectric type etc. are several；It can by frequency range
It is divided into woofer, Squawker, high pitch loudspeaker, wherein coil-moving speaker is most widely used.And piezoelectricity is raised one's voice
Device because its it is small, thin, light the characteristics of, under the trend of current device miniaturization, there is extremely bright prospect and future.
The basic principle of the vibration sounding part of most of piezoelectric speakers is at present：Electrode connects alternating current, due to inverse
Piezoelectric effect, piezoelectric ceramic piece generate vibration, metal vibration diaphragm are made to occur bending and deformation, and so as to generate vibration, and then promote air
Vibration generates acoustic pressure, makes a sound.
Compared with traditional moving-coil speaker, piezoelectric speaker has following advantage：
1. magnet is not required in piezoelectric speaker structure, so as to will not be generated there are any magnetic field to the circuit of surrounding
Interference and influence, will not receive grit from surrounding space.
2. the thickness ultrathin of piezoelectric speaker, compared to coil-moving speaker, piezoelectric speaker is mountable to more flat sky
Between in, this point makes it great competitive in current market；
3. piezoelectric speaker has the characteristics that light, weight is generally less than 1g, lighter 50%- than traditional moving-coil speaker
80%；
4. piezoelectric speaker is low in energy consumption, it is generally less than 15mW, is the 1/5-1/2 of coil-moving speaker consumption power, this is big
The big battery life for extending device；
5. the acoustics design of piezoelectric speaker is simple, the back side only needs little room, in this embodiment it is not even necessary to for moving-coil speaker
The necessary cavity for being used to improve sound pressure level.
Although piezoelectric speaker has the advantages that above-mentioned, the one class resonant frequency (frequency response curve of piezoelectric speaker
The corresponding frequency in a peak) it is general higher, low frequency characteristic is slightly worse, low frequency narrow bandwidth, i.e. replaying bass effect is poor.In addition it is existing
The sound pressure frequency response curve of some piezoelectric speakers generally has more violent fluctuating in midband, so as to cause harmonic distortion height, sound
Matter is poor, and sensitivity is not also high.
The content of the invention
In view of this, in view of the deficiencies of the prior art, the present invention aims to provide a kind of replaying bass effects
Fruit is good, tonequality is good and sensitivity also high vibration sounding structure and terminal.
To achieve the above object, on the one hand, the present invention provides a kind of vibration sounding structure, and the vibration sounding structure includes
Housing, the first fixed edge, the second fixed edge, oscillating plate, coupling pad and piezoelectric speaker, described first fixes
Side and the second fixed edge are respectively coated by the both ends that the housing is oppositely arranged, first fixed edge and the second fixed edge
Include the first flanging and the second flanging that bending is set respectively, first flanging and the second flanging are oppositely arranged simultaneously mutually
Towards extension, and there is gap between first flanging and second flanging and the housing, the oscillating plate connects
First flanging and the second flanging are connect, and there is gap, the coupling pad between the oscillating plate and the housing
It is pressed in gap between the oscillating plate and the housing between the housing and the oscillating plate, the pressure
Electric loud speaker is arranged on the enclosure interior, and the piezoelectric speaker fits in the area being connected with the coupling pad of the housing
In domain, vibrational energy is transferred on the oscillating plate by the coupling pad with realization and generates the effect of sound wave.
Wherein, the volume of the piezoelectric speaker is more than the volume of the coupling pad, and the piezoelectric speaker covers institute
State the contact area of coupling pad and the housing.
Wherein, first flanging and the second flanging are the S-shaped or waveform that bending is set.
Wherein, the oscillating plate is integrally formed with first flanging and the second flanging.
Wherein, the oscillating plate is Nian Jie with first flanging and the second flanging.
Wherein, the coupling pad is adhered on the oscillating plate, and is contacted with housing extruding.
Wherein, the coupling pad is adhered to the oscillating plate center.
Wherein, the material of the coupling pad is silica gel, rubber or foam.
Wherein, first fixed edge and the second fixed edge are adhered on the both ends being oppositely arranged of the housing.
Wherein, first fixed edge and the second fixed edge are concave shape batten.
Wherein, first flanging and second flanging extend along the width of the housing.
On the other hand, the embodiment of the present invention additionally provides a kind of terminal, and the terminal includes terminal body and above-mentioned
Vibration sounding structure, the vibration sounding structure are electrically connected with the terminal body.
Vibration sounding structure provided by the invention, by the way that the first fixed edge and the second fixed edge is set to be coated on housing
Both ends, and the first flanging and the second flanging for bending and setting are set on the first fixed edge and the second fixed edge, then will
Oscillating plate is connected to the first flanging and the second flanging so that can have gap between oscillating plate and housing, so as to protect
Demonstrate,prove enough oscillation spaces, and can balance vibration, then coupling pad is arranged in gap, then piezoelectric speaker is bonded
In the region being connected in housing with coupling pad, the vibrational energy of piezoelectric speaker is transferred to by oscillating plate by coupling pad
On so that oscillating plate can forced vibration generate sound wave, and then make a sound.Using aforesaid way, piezoelectricity can be enhanced
The replaying bass effect of loud speaker, tonequality is preferably and sensitivity is also high.
Description of the drawings
For more clearly illustrate the present invention construction feature and effect, come below in conjunction with the accompanying drawings with specific embodiment to its into
Row is described in detail.
Fig. 1 is the structure diagram for the vibration sounding structure that embodiment of the present invention provides.
Specific embodiment
Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear
Chu is fully described by.
Referring to Fig. 1, a kind of terminal provided by the invention, including terminal body (not identified in figure) and vibration sounding knot
Structure 100, the vibration sounding structure 100 are electrically connected with the terminal body.
In the present embodiment, the terminal can be the intelligent terminals such as mobile phone, tablet computer.Then with described in the present embodiment
Terminal be mobile phone exemplified by be described.
The terminal body may include mainboard, touch panel unit, display screen component and battery etc., the touch-screen group
Part, display screen component and battery are electrically connected with the mainboard.
The vibration sounding structure 100 is electrically connected with the mainboard.The vibration sounding structure 100 includes housing 10, the
One fixed edge 20, the second fixed edge 30, oscillating plate 40, coupling pad 50 and piezoelectric speaker 60.First fixed edge 20
And second fixed edge 30 be respectively coated by the both ends that the housing 10 is oppositely arranged.First fixed edge 20 and second is solid
Deckle 30 includes the first flanging 21 and the second flanging 31 that bending is set, 21 and second flanging 31 of the first flanging respectively
It is oppositely arranged and mutually towards extension.The oscillating plate 40 connects 20 and second flanging 30 of the first flanging, and described
There is a gap 41 between oscillating plate 40 and the housing 10.The coupling pad 50 is arranged in the gap 41, the piezoelectricity
Loud speaker 60 is fitted in the region that the housing 10 is connected with the coupling pad 50, to realize through the coupling pad 50
Vibrational energy is transferred on the oscillating plate 40 and generates the effect of sound wave.
Vibration sounding structure 100 provided in an embodiment of the present invention is by the way that the first fixed edge 20 and the second fixed edge 30 are wrapped
The both ends of housing 10 are overlying on, and first flanging 21 of bending setting is set respectively in the first fixed edge 20 and the second fixed edge 30
And second flanging 31, then oscillating plate 40 is set to connect the first flanging 21 and the second flanging 31, then in the oscillating plate
Coupling pad 50 on 40 is set, piezoelectric speaker 60 is arranged on inside the housing 10, piezoelectricity is raised one's voice by coupling pad 50
The vibrational energy of device 60 is transferred on the oscillating plate 40, sound wave is generated by the vibration of oscillating plate 40, since oscillating plate 40 is
Efficient vibration, sound transformational structure, so enable to the sound timbre of final output good and high sensitivity.In addition, using
The first flanging 21 and the second flanging 31 set is bent, so that the both sides of the oscillating plate 40 have sufficient shake
Dynamic space, and can balance vibration, improve tonequality.
Specifically, the housing 10 can be handset shell, such as mobile phone battery cover.The material of the housing 10 can be metal or
Person's plastic cement etc..
First fixed edge 20 is coated on one end of the housing 10.In the present embodiment, first fixed edge 20 is
Concave shape batten, the recessed portion cladding of first fixed edge 20 are fitted on one end of the housing 10.Specifically, described
One fixed edge 20 is adhered on one end of the housing 10.Preferably, for the ease of fixation, first fixed edge 20 passes through glue
Water or double faced adhesive tape are adhered on one end of the housing 10, to prevent first fixed edge 20 from being separated with the housing 10.
Further, it is fine that silica gel, rubber, bakelite, naphthalate can be used in the material of first fixed edge 20
The high molecular materials such as (PEN), polyether ketone fiber (PEEK) are tieed up, in order to be molded.
In the present embodiment, first flanging 21 extends one end of first fixed edge 20, and first folding
The S-shaped or waveform that side 21 is set for bending, in order to be able to enable 40 both sides of oscillating plate that there is sufficient shake
Dynamic space, and can audio quality be improved with balance vibration.Specifically, first flanging 21 can be by being shaped in
State on the first fixed edge 20 or first flanging 21 can be also adhered on first fixed edge 20, with realize with it is described
First fixed edge, 20 unseparated effect.In addition, in order to ensure sufficient oscillation space, first flanging 21 is along the housing
10 width extension, and there is gap between first flanging 21 and the housing 10, it shakes in order to subsequently described
Movable plate 40 can form the gap 41 between the housing 10.
Second fixed edge 30 is coated on the other end of the housing 10.In the present embodiment, due to described second solid
The structure of deckle 30 is identical with the structure of first fixed edge 20, and concrete structure can be found in above-mentioned for the described first fixation
The structure description on side 20, so no longer the structure of second fixed edge 30 is described herein.
To setting, simultaneously mutually direction extends second flanging 31 with 21 property of the first flanging, i.e., described second flanging 31
Also extend along the width of the housing 10, and with first flanging 21 mutually towards setting.In the present embodiment, due to
The structure of second flanging 31 is identical with the structure of first flanging 21, and concrete structure can be found in above-mentioned for described
The structure description of one flanging 21, so no longer the structure of second flanging 31 is described herein.
The oscillating plate 40 connects 21 and second flanging 31 of the first flanging.In the present embodiment, the oscillating plate 40
For square plate, the oscillating plate 40 is integrally formed with 21 and second flanging 31 of the first flanging, so as to reduce installation.
It is understood that in another embodiment, the oscillating plate 40 can also be with 21 and second flanging 31 of the first flanging
Bonding.Specifically, the oscillating plate 40 can be used glue, double faced adhesive tape etc. and be adhered to 21 and second flanging 31 of the first flanging
On, the gap 41 can be formed with the housing 10.Meanwhile by the oscillating plate 40 be connected to first flanging 21 with
And second flanging 31, enable to the oscillating plate 40 in vibration with enough oscillation spaces, so as to improve tonequality
Effect.
Further, the material of the oscillating plate 40 and the material one of 20 and second fixed edge 30 of the first fixed edge
It causes, i.e., silica gel, rubber, bakelite, naphthalate fiber (PEN), polyether-ketone fibre can be used in the material of described oscillating plate 40
Tie up high molecular materials such as (PEEK).
The coupling pad 50 is adhered on the oscillating plate 40, and is contacted with the housing 10 extruding.In the present embodiment,
The coupling pad 50 is adhered at the center of the oscillating plate 40, and preferably, the coupling pad 50 can pass through glue
Or double faced adhesive tape etc. is adhered at the center of the oscillating plate 40, to prevent the coupling pad 50 from dividing with the oscillating plate 40
From or in the vibration processes of the oscillating plate 40, there is shifting phenomena and vibrational energy is caused to pass in the coupling pad 50
Pass the problem of effect is undesirable.The coupling pad 50 is connected between the oscillating plate 40 and the housing 10, so as to
It is enough that the vibrational energy that the housing 10 is sent is transferred on the oscillating plate 40, and sent by the vibration of the oscillating plate 40
Sound wave.
Further, the material of the coupling pad 50 can be silica gel, rubber or foam etc., to realize transmission vibrational energy
It measures and ensures transmission effect.
The piezoelectric speaker 60 is arranged on inside the housing 10.In the present embodiment, the piezoelectric speaker 60 can be pressure
Electroceramics piece, the volume of the piezoelectric speaker 60 is more than the volume of the coupling pad 50, so that the piezoelectricity
Loud speaker 60 can cover the contact area of the coupling pad 50 and the housing 10, so that the coupling pad 50 can begin
Final position is in the range of the vibrational energy of the piezoelectric speaker 60, in order to which vibrational energy is transferred to institute by the coupling pad 50
It states on oscillating plate 40.Preferably, the piezoelectric speaker 60 can be used glue and be adhered at the center of the housing 10, to prevent
The piezoelectric speaker 60 shifts.
By the way that the piezoelectric speaker 60 is arranged inside the housing 10, then the coupling pad 50 is pressed on
Between the housing 10 and the oscillating plate 40, and the oscillating plate 40 is connected to 21 and second folding of the first flanging
Side 31 so that the oscillating plate 40 can have the gap 41 between the housing 10, then pass through the coupling pad
50 vibrational energies for being capable of piezoelectric speaker 60 are transferred on the oscillating plate 40, can be shaken by the oscillating plate 40 by described
Energy is converted into efficient vibration acoustic so that the acoustic sensitivity of the vibration sounding structure 100 is high, and tonequality is imitated
Fruit is good.
Vibration sounding structure provided by the invention, by the way that the first fixed edge and the second fixed edge is set to be coated on housing
Both ends, and the first flanging and the second flanging for bending and setting are set on the first fixed edge and the second fixed edge, then will
Oscillating plate is connected to the first flanging and the second flanging so that can have gap between oscillating plate and housing, so as to protect
Demonstrate,prove enough oscillation spaces, and can balance vibration, then coupling pad is arranged in gap, then piezoelectric speaker is bonded
In the region being connected in housing with coupling pad, the vibrational energy of piezoelectric speaker is transferred to by oscillating plate by coupling pad
On so that oscillating plate can forced vibration generate sound wave, and then make a sound.Using aforesaid way, piezoelectricity can be enhanced
The replaying bass effect of loud speaker, tonequality is preferably and sensitivity is also high.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (12)
1. a kind of vibration sounding structure, which is characterized in that the vibration sounding structure is consolidated including housing, the first fixed edge, second
Deckle, oscillating plate, coupling pad and piezoelectric speaker, first fixed edge and the second fixed edge are respectively coated by described
The both ends that housing is oppositely arranged, first fixed edge and the second fixed edge respectively include bending set the first flanging and
Second flanging, first flanging and the second flanging be oppositely arranged and mutually towards extension, and first flanging and
There is gap between second flanging and the housing, the oscillating plate connects first flanging and the second flanging, and
And there is gap between the oscillating plate and the housing, the coupling pad is arranged between the oscillating plate and the housing
It is pressed in gap between the housing and the oscillating plate, the piezoelectric speaker is arranged on the enclosure interior, described
Piezoelectric speaker is fitted in the region being connected with the coupling pad of the housing, will by the coupling pad with realization
Vibrational energy is transferred on the oscillating plate and generates the effect of sound wave.
2. vibration sounding structure according to claim 1, which is characterized in that the volume of the piezoelectric speaker is more than described
The volume of coupling pad, the piezoelectric speaker cover the contact area of the coupling pad and the housing.
3. vibration sounding structure according to claim 1, which is characterized in that first flanging and the second flanging are
Bend the S-shaped or waveform set.
4. vibration sounding structure according to claim 1, which is characterized in that the oscillating plate and first flanging and
Second flanging is integrally formed.
5. vibration sounding structure according to claim 1, which is characterized in that the oscillating plate and first flanging and
Second flanging is bonded.
6. vibration sounding structure according to claim 1, which is characterized in that the coupling pad is adhered to the oscillating plate
On, and contacted with housing extruding.
7. vibration sounding structure according to claim 6, which is characterized in that the coupling pad is adhered to the oscillating plate
Center.
8. the vibration sounding structure according to claim 1~7 any one, which is characterized in that the material of the coupling pad
Matter is silica gel, rubber or foam.
9. vibration sounding structure according to claim 1, which is characterized in that first fixed edge and the second fixed edge
It is adhered on the both ends being oppositely arranged of the housing.
10. vibration sounding structure according to claim 1, which is characterized in that first fixed edge and the second fixation
While it is concave shape batten.
11. vibration sounding structure according to claim 1, which is characterized in that first flanging and second folding
The width extension of housing described in edge.
12. a kind of terminal, which is characterized in that the terminal includes terminal body and such as claim 1~11 any one institute
The vibration sounding structure stated, the vibration sounding structure are electrically connected with the terminal body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711317195.2A CN108111946B (en) | 2015-06-29 | 2015-06-29 | Vibration sounding structure and terminal |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510373351.1A CN105025422B (en) | 2015-06-29 | 2015-06-29 | vibration sounding structure and terminal |
| CN201711317195.2A CN108111946B (en) | 2015-06-29 | 2015-06-29 | Vibration sounding structure and terminal |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510373351.1A Division CN105025422B (en) | 2015-06-29 | 2015-06-29 | vibration sounding structure and terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108111946A true CN108111946A (en) | 2018-06-01 |
| CN108111946B CN108111946B (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711317195.2A Active CN108111946B (en) | 2015-06-29 | 2015-06-29 | Vibration sounding structure and terminal |
| CN201510373351.1A Active CN105025422B (en) | 2015-06-29 | 2015-06-29 | vibration sounding structure and terminal |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510373351.1A Active CN105025422B (en) | 2015-06-29 | 2015-06-29 | vibration sounding structure and terminal |
Country Status (1)
| Country | Link |
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| CN (2) | CN108111946B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573211A (en) * | 2020-06-24 | 2020-08-25 | 深圳市美卡达科技有限公司 | Vibration dish mechanism |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3046005B1 (en) * | 2015-12-17 | 2018-02-02 | Delphi Technologies, Inc. | SOUND TRANSMITTING DEVICE |
| CN106902610B (en) * | 2017-03-24 | 2023-03-17 | 中国计量大学 | Sound coagulation synergy demister |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102111702A (en) * | 2009-12-24 | 2011-06-29 | 精拓丽音科技（北京）有限公司 | Piezoelectric flat panel loudspeaker with distributed ceramic wafers |
| JP2012138733A (en) * | 2010-12-27 | 2012-07-19 | Murata Mfg Co Ltd | Piezoelectric pronunciation component |
| CN203608351U (en) * | 2013-10-28 | 2014-05-21 | 瑞声科技（南京）有限公司 | A flat plate sound production apparatus |
| JP5579627B2 (en) * | 2009-05-25 | 2014-08-27 | パナソニック株式会社 | Piezoelectric acoustic transducer |
| CN104053103A (en) * | 2014-06-25 | 2014-09-17 | 歌尔声学股份有限公司 | Piezoelectric loudspeaker |
| JP2015016785A (en) * | 2013-07-11 | 2015-01-29 | カルソニックカンセイ株式会社 | Speaker mounting structure |
| CN204425652U (en) * | 2015-01-23 | 2015-06-24 | 瑞声光电科技(常州)有限公司 | Electro-acoustic element |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001103599A (en) * | 1999-09-29 | 2001-04-13 | Toko Inc | Piezoelectric loudspeaker |
| JP3925414B2 (en) * | 2002-04-26 | 2007-06-06 | 株式会社村田製作所 | Piezoelectric electroacoustic transducer |
| KR100625772B1 (en) * | 2004-12-03 | 2006-09-20 | (주)아이블포토닉스 | Piezoelectric vibrator with multi acting vibrator |
| US8520869B2 (en) * | 2010-03-29 | 2013-08-27 | Panasonic Corporation | Piezoelectric acoustic transducer |
-
2015
- 2015-06-29 CN CN201711317195.2A patent/CN108111946B/en active Active
- 2015-06-29 CN CN201510373351.1A patent/CN105025422B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5579627B2 (en) * | 2009-05-25 | 2014-08-27 | パナソニック株式会社 | Piezoelectric acoustic transducer |
| CN102111702A (en) * | 2009-12-24 | 2011-06-29 | 精拓丽音科技（北京）有限公司 | Piezoelectric flat panel loudspeaker with distributed ceramic wafers |
| JP2012138733A (en) * | 2010-12-27 | 2012-07-19 | Murata Mfg Co Ltd | Piezoelectric pronunciation component |
| JP2015016785A (en) * | 2013-07-11 | 2015-01-29 | カルソニックカンセイ株式会社 | Speaker mounting structure |
| CN203608351U (en) * | 2013-10-28 | 2014-05-21 | 瑞声科技（南京）有限公司 | A flat plate sound production apparatus |
| CN104053103A (en) * | 2014-06-25 | 2014-09-17 | 歌尔声学股份有限公司 | Piezoelectric loudspeaker |
| CN204425652U (en) * | 2015-01-23 | 2015-06-24 | 瑞声光电科技(常州)有限公司 | Electro-acoustic element |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111573211A (en) * | 2020-06-24 | 2020-08-25 | 深圳市美卡达科技有限公司 | Vibration dish mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105025422A (en) | 2015-11-04 |
| CN105025422B (en) | 2018-01-23 |
| CN108111946B (en) | 2019-08-20 |
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Address after: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant after: OPPO Guangdong Mobile Communications Co., Ltd. Applicant after: King Tone Innovation Address before: 523860 No. 18, Wu Sha Beach Road, Changan Town, Dongguan, Guangdong Applicant before: Guangdong OPPO Mobile Communications Co., Ltd. Applicant before: King Tone Innovation |
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