CN109710210A - Sound pickup device and electronic equipment - Google Patents
Sound pickup device and electronic equipment Download PDFInfo
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- CN109710210A CN109710210A CN201811619016.5A CN201811619016A CN109710210A CN 109710210 A CN109710210 A CN 109710210A CN 201811619016 A CN201811619016 A CN 201811619016A CN 109710210 A CN109710210 A CN 109710210A
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Abstract
The present embodiments relate to technical field of electronic products, a kind of sound pickup device and electronic equipment are disclosed.In the embodiment of the present invention, sound pickup device includes: display module, adhering coating and back pole plate；Display module includes the show ontology and bracket for being integrated with glass cover-plate, and adhering coating includes the resident coating of charge for being stored with negative electrical charge；Show ontology is located in the accommodating space of bracket and glass cover-plate covers the opening of accommodating space, adhering coating applies the non-display area for being located at glass cover-plate and is located in accommodating space, the inner wall of bracket is arranged in back pole plate, and back pole plate is resident coating and is resident between coating with charge in face of charge has default spacing；Adhering coating and back pole plate are connected to the processing mould group of electronic equipment.The embodiment of the present invention makes the shell of electronic equipment without carrying out aperture leading note, improves the appearance of electronic equipment and enhances the antidusting ability of electronic equipment.
Description
Technical field
The present embodiments relate to technical field of electronic products, in particular to a kind of sound pickup device and electronic equipment.
Background technique
The electronic equipments such as mobile phone, tablet computer are widely used in daily life, and electronic equipment provides for people
Multiple functions, the electronic equipments such as voice communication, screen and recording realize that these functions need just to be picked up external sound,
The existing voice pickup function of realization in the electronic device is microphone.However, it is found by the inventors that at least existing in the prior art
Following problem: the pickup of sound is realized using microphone, needs to do multiple sound outlet holes on the shell of electronic equipment, to entire electricity
The appearance of sub- equipment causes biggish obstruction, affects the appearance of electronic equipment, and in the use process of electronic equipment,
It often will appear the case where foreign matter (such as grit) blocks sound outlet hole, seriously affected the ability of microphone voice pickup, and
Dirt exclusion capabilities are poor.
Summary of the invention
Embodiment of the present invention is designed to provide a kind of sound pickup device and electronic equipment, so that electronic equipment
Shell improves the appearance of electronic equipment and enhances the antidusting ability of electronic equipment without carrying out aperture leading note.
In order to solve the above technical problems, embodiments of the present invention provide a kind of sound pickup device, comprising: display mould
Group, adhering coating and back pole plate；The display module includes the show ontology and bracket for being integrated with glass cover-plate, the attachment
Coating includes at least the resident coating of charge for being stored with negative electrical charge；The show ontology be located in the accommodating space of the bracket and
The glass cover-plate covers the opening of the accommodating space, and the adhering coating applies the non-display area for being located at the glass cover-plate
And be located in the accommodating space, the inner wall of the bracket is arranged in the back pole plate, and the back pole plate is stayed in face of the charge
Staying coating and being resident between coating with the charge has default spacing；The adhering coating is connected to the back pole plate
The processing mould group of electronic equipment；The glass cover-plate be used for external sound generate vibrational feedback, the charge be resident coating with
The back pole plate is used to convert ac voltage signal for the vibrational feedback, and for by the ac voltage signal export to
The processing mould group.
Embodiments of the present invention additionally provide a kind of electronic equipment, comprising: processing mould group, shell and above-mentioned sound
Pick device；Sound pickup device setting on the housing, the adhering coating in the sound pickup device with
The back pole plate is connected to the processing mould group, and the charge is resident coating ground connection.
Embodiment of the present invention in terms of existing technologies, provides a kind of sound pickup device, including display module,
Adhering coating and back pole plate, and display module includes the show ontology and bracket for being integrated with glass cover-plate, adhering coating is at least
Charge including being stored with negative electrical charge is resident coating；Show ontology is located in the accommodating space of bracket and glass cover-plate covers accommodating
The opening in space, adhering coating apply the non-display area for being located at glass cover-plate and are located in accommodating space, and back pole plate setting is being propped up
The inner wall of frame, back pole plate is resident coating and is resident between coating with charge in face of charge has default spacing；I.e. charge is resident applies
Layer forms capacitor with back pole plate, and adhering coating and back pole plate are connected to the processing mould group of electronic equipment；Glass cover-plate is used for
Vibrational feedback is generated to external sound, vibrational feedback changes the spacing that charge is resident between coating and back pole plate and charge is resident
The capacitor that coating is formed with back pole plate changes, and is resident the charge number on coating due to charge and keeps constant, so capacitor is sent out
The voltage that changing causes charge to be resident between coating and back pole plate changes, so that charge, which will be resident coating and back pole plate, to shake
Dynamic feedback is converted into ac voltage signal, and for exporting ac voltage signal to processing mould group, reaches the pickup of sound
Purpose, the i.e. embodiment of the present invention are to utilize existing display module in electronic equipment, and the embodiment of the present invention is instead of existing skill
The microphone of voice pickup is used in art, so that the shell of electronic equipment improves electronic equipment without carrying out aperture leading note
Appearance, and enhance the antidusting ability of electronic equipment.
In addition, the adhering coating further includes conductive coating；The conductive coating painting is located at the described of the glass cover-plate
Non-display area, the charge are resident coating painting and are located on the conductive coating；The conductive coating is connected to the processing mould
Group.In the present embodiment, adhering coating further includes the conductive coating for applying the non-display area for being located at glass cover-plate, and charge is resident coating
Painting is located on conductive coating, enable conductive coating to charge be resident coating formed certain protection to avoid charge loss and
Some unstable factors caused by connecting wire etc., and improve the conductive effect that charge is resident coating.
In addition, sound pickup device further includes resilient suspension component；The resilient suspension component is arranged in the glass cover
Between plate and the side wall of the bracket.In the present embodiment, resilient suspension component is set between glass cover-plate and the side wall of bracket, is made
Obtaining becomes elastic connection from Hard link between glass cover-plate and the side wall of bracket, reduces the limited degree of glass cover-plate vibration,
So that glass cover-plate is easier to improve pickup sensitivity by acoustic vibration, so that the quality of the sound picked up is higher.
In addition, the side of the glass cover-plate and the bracket corresponding to the adhering coating is arranged in resilient suspension component
Between wall.In the present embodiment, elastic wall hanging components, needle are only set on the corresponding region for the glass cover-plate for being coated with adhering coating
And saving space strong to property.
In addition, resilient suspension component includes multiple elastic arms；One end of multiple elastic arms is connected to the glass
The other end of the edges of boards of glass cover board, multiple elastic arms is connected to the side wall of the bracket.In the present embodiment, provide
A kind of specific constructive form of resilient suspension component.
In addition, adhering coating is located at the bottom subregion in the non-display area region.In the present embodiment, due to bottom sub-district
Domain is closer apart from mouth when user makes a phone call, and improves the precision of voice pickup；Right the present embodiment is to adhering coating non-aobvious
Show that the specific location of region is not intended to be limited in any, can be configured according to actual needs, such as adhering coating is positioned at non-display
The side subregion or top subregion of region.
Detailed description of the invention
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element in attached drawing with same reference numbers label are expressed as similar element, remove
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is the schematic diagram of sound pickup device according to first embodiment；
Fig. 2 is the diagrammatic cross-section of sound pickup device according to first embodiment；
Fig. 3 is that sound pickup device according to first embodiment is installed in one of shell schematic diagram；
Fig. 4 is the schematic diagram according to the sound pickup device of second embodiment；
Fig. 5 is the diagrammatic cross-section according to the sound pickup device of second embodiment；
Fig. 6 is a kind of front schematic view according to the sound pickup device of third embodiment；
Fig. 7 is another front schematic view according to the sound pickup device of third embodiment；
Fig. 8 is the diagrammatic cross-section according to the sound pickup device of third embodiment；
Fig. 9 is the block diagram according to the electronic equipment of the 4th embodiment；
Figure 10 is the specific block diagram according to the electronic equipment of the 4th embodiment；
Figure 11 is the structural schematic diagram according to the electronic equipment of the 4th embodiment.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention
In formula, in order to make the reader understand this application better, many technical details are proposed.But even if without these technical details
And various changes and modifications based on the following respective embodiments, the application technical solution claimed also may be implemented；And
And the division of following each embodiment is for convenience, should not to constitute any limit to specific implementation of the invention
Fixed, each embodiment can be combined with each other mutual utilization under the premise of reconcilable.
The first embodiment of the present invention is related to a kind of sound pickup devices, as shown in Figure 1, 2, sound pickup device packet
It includes: display module and back pole plate 1 and adhering coating 2；Display module include be integrated with the show ontology 3 of glass cover-plate 31 with
Bracket 4, adhering coating 2 include at least the resident coating 21 of charge for being stored with negative electrical charge.
In present embodiment, show ontology 3 is located in the accommodating space of bracket 4 and glass cover-plate 31 covers accommodating space
Opening, adhering coating 2 apply the non-display area for being located at glass cover-plate 31 and are located in accommodating space, and back pole plate 1 is arranged in bracket 4
Inner wall, back pole plate 1 is resident coating 21 and is resident between coating 21 with charge in face of charge has default spacing d, i.e. back pole plate 1
It is resident between coating 21 with charge as the air gap；Adhering coating 2 and back pole plate 1 are connected to the processing mould of electronic equipment
Group.
In present embodiment, glass cover-plate 31 is used to generate external sound vibrational feedback, i.e. sound wave causes glass cover-plate
31 vibrate, and direction of vibration is of reciprocating vibration back and forth perpendicular to glass cover-plate, and the frequency of vibration is consistent with sound frequency, charge
Resident coating 21 is used to convert vibrational feedback to ac voltage signal with back pole plate 1, realizes that voice signal turns to electric signal
It changes, and for exporting ac voltage signal to processing mould group, and the frequency of ac voltage signal is consistent with the frequency of sound wave, hands over
The amplitude for flowing voltage signal is directly proportional to the size of sound.
Wherein, positive charge is stored on back pole plate 1.The thickness of adhering coating 2 can be according to being set according to actual needs
Meter.
In present embodiment, during voice transmission, sound causes glass cover-plate 31 to vibrate, and changes charge
Spacing between resident coating 21 and back pole plate 1, so that charge is resident the capacitor that coating 21 is formed with back pole plate 1 and changes,
It since the charge number Q that charge is resident on coating 21 remains constant, is obtained by U=Q/C, Δ U=Q/ Δ C, i.e. charge are resident
Voltage between coating 21 and back pole plate 1 changes, and is finally exported in the form of ac voltage signal.
The embodiment of the present invention in terms of existing technologies, provides a kind of sound pickup device, including display module,
Adhering coating and back pole plate, and display module includes the show ontology and bracket for being integrated with glass cover-plate, adhering coating is at least
Charge including being stored with negative electrical charge is resident coating；Show ontology is located in the accommodating space of bracket and glass cover-plate covers accommodating
The opening in space, adhering coating apply the non-display area for being located at glass cover-plate and are located in accommodating space, and back pole plate setting is being propped up
The inner wall of frame, back pole plate is resident coating and is resident between coating with charge in face of charge has default spacing；I.e. charge is resident applies
Layer forms capacitor with back pole plate, and adhering coating and back pole plate are connected to the processing mould group of electronic equipment；Glass cover-plate is used for
Vibrational feedback is generated to external sound, vibrational feedback changes the spacing that charge is resident between coating and back pole plate and charge is resident
The capacitor that coating is formed with back pole plate changes, and is resident the charge number on coating due to charge and keeps constant, so capacitor is sent out
The voltage that changing causes charge to be resident between coating and back pole plate changes, so that charge, which will be resident coating and back pole plate, to shake
Dynamic feedback is converted into ac voltage signal, and for exporting ac voltage signal to processing mould group, reaches the pickup of sound
Purpose, the i.e. embodiment of the present invention are to utilize existing display module in electronic equipment, and the embodiment of the present invention is instead of existing skill
The microphone of voice pickup is used in art, so that the shell of electronic equipment improves electronic equipment without carrying out aperture leading note
Appearance, and enhance the antidusting ability of electronic equipment (frequency that user cleans screen is higher).
Details, which is specifically described, to be realized to the sound pickup device of present embodiment below, the following contents is only for convenience
The realization details provided is provided, the necessary of this programme is not implemented.
In fact, in present embodiment, as shown in Fig. 2, show ontology 3 further includes the touch being attached on glass cover-plate 31
Layer 32, the display screen 33 being integrated in one with glass cover-plate 31, and insulate between touch layer and conductive coating.
In present embodiment, there is default spacing d to be greater than or equal to 0.05 milli between back pole plate 1 and the resident coating 21 of charge
Rice and be less than or equal to 1 millimeter, the present embodiment is not intended to be limited in any the specific value of default spacing d, as long as can be realized sound
The purpose that sound picks up is all within the scope of the embodiment of the present invention.
Preferably, in present embodiment, as shown in figure 3, adhering coating 2 is located at the bottom subregion in non-display area region
311, it is closer apart from mouth since bottom subregion 211 is when user makes a phone call, improve the precision of voice pickup；This right reality
It applies specific location of the example to adhering coating 2 in non-display area region to be not intended to be limited in any, can be configured according to actual needs, example
As adhering coating 2 is located at the side subregion or top subregion in non-display area region.
Second embodiment of the present invention is related to a kind of sound pickup device.Second embodiment looks for first embodiment
On the basis of make improvement, mainly the improvement is that: in second embodiment of the invention, as shown in Figure 4,5, adhering coating 2 also
Including conductive coating 22.
In present embodiment, conductive coating 22 applies the non-display area for being located at glass cover-plate 31, and charge is resident coating 21 and is applied
It is located on conductive coating 22；Conductive coating 22 is connected to processing mould group.
For the embodiment of the present invention for first embodiment, adhering coating further includes applying to be located at the non-of glass cover-plate
The conductive coating of display area, charge are resident coating painting and are located on conductive coating, enable conductive coating is resident to charge to apply
Layer forms certain protection to avoid some unstable factors caused by charge loss and connecting wire etc., and improves charge and stay
Stay the conductive effect of coating.
Third embodiment of the present invention is related to a kind of sound pickup device.Third embodiment is in second embodiment
On the basis of improve, mainly the improvement is that: in third embodiment of the invention, as shown in fig. 6, sound pickup device
It further include resilient suspension component 5.
In present embodiment, as shown in fig. 6, resilient suspension component 5 be arranged in glass cover-plate 31 and bracket 4 side wall it
Between.
Preferably, as shown in Figure 7,8, the glass corresponding to adhering coating is arranged in resilient suspension component 5 in present embodiment
Between glass cover board 31 and the side wall of bracket 4；I.e. the present embodiment is only in the corresponding region for the glass cover-plate 31 for being coated with adhering coating
The elastic wall hanging components 5 of upper setting, with strong points and saving space.
Optionally, in present embodiment, resilient suspension component 5 further includes interior connection side and outer even curbside, each elastic arm 51
Both ends be connected to it is interior connection while with outer connection；When seated, interior connection side is connect with glass cover-plate 31, by outer company
Edge fit is connected with the side wall of bracket 4；Right without being limited thereto in practice, connection side of the present embodiment to resilient suspension component 5 and bracket 4
Formula is not intended to be limited in any, such as the outer connection side of resilient suspension component 5 can be with the side wall of bracket 4 as one.
In one example, as shown in Figure 6,7, resilient suspension component 5 includes multiple elastic arms 51；Multiple elastic arms 51
One end is connected to the edges of boards of glass cover-plate 21, and the other end of multiple elastic arms 51 is connected to the side wall of bracket 3；It is so real
It is without being limited thereto in border, a kind of specific constructive form of resilient suspension component 5 is present embodiments provided, the present embodiment is to elastic arm 51
Shape, quantity, the spacing between elastic arm 51, the length of elastic arm 51, elastic arm 51 material be not intended to be limited in any, can root
Specifically it is arranged according to actual conditions.
In a specific example, elastic arm 51 is monocrystalline silicon piece, spring or elastic slice；It is so without being limited thereto in practice, this
Embodiment is not intended to be limited in any the specific constructive form of elastic arm 51.
In a specific example, as shown in Figure 6,7, the isosceles triangle of the shape of elastic arm 51, isosceles triangle
Top be fixed on the edges of boards of glass cover-plate 31, the bottom end of isosceles triangle is fixed on the side wall of bracket 3；In the present embodiment, bullet
Property arm 51 be isosceles triangle it is so without being limited thereto in practice so that connection between glass cover-plate 31 and bracket 4 is more firm,
Such as the shape of elastic arm 51 can also be stick-like, netted or helical form.
In fact, the embodiment of the present invention may be improvement project on the basis of first embodiment.
Elasticity is arranged for first embodiment in the embodiment of the present invention between glass cover-plate and the side wall of bracket
Suspension assembly reduces glass cover-plate vibration so that becoming elastic connection from Hard link between glass cover-plate and the side wall of bracket
Limited degree, so that glass cover-plate is easier to improve pickup sensitivity by acoustic vibration, so that the quality of the sound picked up
It is higher.
4th embodiment of the invention is related to a kind of electronic equipment, as shown in figure 9, electronic equipment includes: processing mould group
6, the sound pickup device of shell, first embodiment into third embodiment in any embodiment.
In present embodiment, adhering coating 2 and backplane on shell, in sound pickup device is arranged in sound pickup device
Plate 1 is connected to processing mould group 6, and charge is resident coating 21 and is grounded.
In one example, when electronic equipment is mobile phone, shell is front housing, so without being limited thereto in practice, the present embodiment pair
Shell is not intended to be limited in any.
Specifically, as shown in Figure 10, processing mould group 6 includes processor 61, power management chip in present embodiment
62, signal amplification unit 63 and codec chip 64.Power management chip 62, codec chip 64 and sound pickup device
In show ontology 3 be connected to processor 61；Adhering coating 2 and back pole plate 1 in voice pickup mould group are connected to signal
Amplifying unit 63, and signal amplification unit 63 is also attached to power management chip 62 and codec chip 64, signal amplification unit
63 for impedance matching and for amplifying to ac voltage signal.In the present embodiment, a kind of tool of processing mould group is provided
Body structure type.
Specifically, as shown in figure 11, signal amplification unit 63 includes field effect transistor FET 631 and load impedance 632；
The grid of field effect transistor 631 is connected to charge and is resident coating 21 and back pole plate 1, and the source level of field effect transistor 631 is grounded；
The drain of field effect transistor 631 is connected to one end of codec chip 64 Yu load impedance 632, load impedance 632 it is another
End is connected to power management chip 62；Wherein, load impedance 632 is, for example, 2.2 kilohms.In the present embodiment, signal is provided
A kind of specific constructive form of amplifying unit 63.
Preferably, signal amplification unit 63 further includes capacitance 633；The drain of field effect transistor 631 passes through blocking
Capacitor 633 is connected to signal codec chip 64.In the present embodiment, increase capacitance 633 to avoid direct current signal as far as possible
Pass through.
In terms of existing technologies, electronic equipment includes sound provided in an embodiment of the present invention to embodiments of the present invention
Pick device, the sound pickup device include adhering coating and back pole plate and the same display mould shared with electronic equipment
Group, display module include the show ontology and bracket for being integrated with glass cover-plate, and adhering coating includes at least and is stored with negative electrical charge
Charge is resident coating；Show ontology is located in the accommodating space of bracket and glass cover-plate covers the opening of accommodating space, and attachment applies
Layer applies the non-display area for being located at glass cover-plate and is located in accommodating space, and the inner wall of bracket, backplane plate face is arranged in back pole plate
Charge, which is resident coating and is resident between coating with charge, has default spacing；I.e. charge is resident coating and back pole plate forms electricity
Hold, adhering coating is connected to the processing mould group of electronic equipment with back pole plate；Glass cover-plate is used to generate vibration to external sound
Dynamic feedback, vibrational feedback changes the spacing that charge is resident between coating and back pole plate and charge is resident coating and is formed with back pole plate
Capacitor change, the charge number on coating is resident due to charge and is kept constant, causes charge to be stayed so capacitor changes
The voltage between coating and back pole plate is stayed to change, so that the resident coating of charge converts vibrational feedback to back pole plate and exchanges
Voltage signal, and for exporting ac voltage signal to processing mould group, achieve the purpose that the pickup of sound, i.e. the present invention is implemented
Example is to utilize existing display module in electronic equipment, and the embodiment of the present invention is picked up instead of in existing electronic equipment for sound
The microphone taken, so that the shell of electronic equipment improves the appearance of electronic equipment, and enhance without carrying out aperture leading note
The antidusting ability of electronic equipment.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention,
And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.
Claims (10)
1. a kind of sound pickup device characterized by comprising display module, adhering coating and back pole plate；The display mould
Group includes the show ontology and bracket for being integrated with glass cover-plate, and the adhering coating is stayed including at least the charge for being stored with negative electrical charge
Stay coating；
The show ontology is located in the accommodating space of the bracket and the glass cover-plate covers the opening of the accommodating space,
The adhering coating applies the non-display area for being located at the glass cover-plate and is located in the accommodating space, the back pole plate setting
In the inner wall of the bracket, the back pole plate is resident coating and is resident between coating with the charge in face of the charge to be had in advance
If spacing；
The adhering coating and the back pole plate are connected to the processing mould group of electronic equipment；
The glass cover-plate is used to generate external sound vibrational feedback, and the resident coating of the charge and the back pole plate are used for will
The vibrational feedback is converted into ac voltage signal, and for exporting the ac voltage signal to the processing mould group.
2. sound pickup device according to claim 1, which is characterized in that the adhering coating further includes conductive coating；
The conductive coating applies the non-display area for being located at the glass cover-plate, and the resident coating painting of the charge is located at described
On conductive coating；
The conductive coating is connected to the processing mould group.
3. sound pickup device according to claim 1, which is characterized in that the sound pickup device further includes elastic suspended
Hanging component；
The resilient suspension component is arranged between the glass cover-plate and the side wall of the bracket.
4. sound pickup device according to claim 3, which is characterized in that the setting of resilient suspension component is corresponding to described
Between the glass cover-plate of adhering coating and the side wall of the bracket.
5. sound pickup device according to claim 3 or 4, which is characterized in that the resilient suspension component includes multiple
Elastic arm；
One end of multiple elastic arms is connected to the edges of boards of the glass cover-plate, the other end point of multiple elastic arms
It is not connected to the side wall of the bracket.
6. sound pickup device according to claim 5, which is characterized in that the elastic arm be monocrystalline silicon piece, spring or
Elastic slice.
7. sound pickup device according to claim 1, which is characterized in that the adhering coating is located at the non-display area
The bottom subregion in region.
8. sound pickup device according to claim 1, which is characterized in that the default spacing is greater than or equal to 0.05 milli
Rice and be less than or equal to 1 millimeter.
9. sound pickup device according to claim 1, which is characterized in that the show ontology further include be attached to it is described
The display screen that touch layer and the glass cover-plate on glass cover-plate are integrated in one.
10. a kind of electronic equipment characterized by comprising processing mould group, shell, described in any one of claims 1 to 9
Sound pickup device；
The sound pickup device is arranged on the housing, the adhering coating and the back in the sound pickup device
Pole plate is connected to the processing mould group, and the charge is resident coating ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619016.5A CN109710210B (en) | 2018-12-28 | 2018-12-28 | Sound pickup device and electronic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811619016.5A CN109710210B (en) | 2018-12-28 | 2018-12-28 | Sound pickup device and electronic apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109710210A true CN109710210A (en) | 2019-05-03 |
| CN109710210B CN109710210B (en) | 2022-08-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811619016.5A Active CN109710210B (en) | 2018-12-28 | 2018-12-28 | Sound pickup device and electronic apparatus |
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| CN202206540U (en) * | 2011-08-15 | 2012-04-25 | 潍坊东科电讯有限公司 | Microphone back plate with convenience in assembly |
| CN106658318A (en) * | 2017-01-20 | 2017-05-10 | 瑞声科技（南京）有限公司 | Vibration sound production system |
| CN206962880U (en) * | 2017-06-26 | 2018-02-02 | 维沃移动通信有限公司 | A kind of microphone and mobile terminal |
| US20180054503A1 (en) * | 2016-08-16 | 2018-02-22 | Samsung Electronics Co., Ltd. | Electronic device and method for controlling display using piezoelectric element |
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| US20090290746A1 (en) * | 2005-04-22 | 2009-11-26 | Sharp Kabushiki Kaisha | Card-type device and method for manufacturing same |
| CN101076206A (en) * | 2007-06-16 | 2007-11-21 | 郑润远 | Capacity sound-transmitter vibration diaphragm and its capacity sound transmitter |
| CN202206540U (en) * | 2011-08-15 | 2012-04-25 | 潍坊东科电讯有限公司 | Microphone back plate with convenience in assembly |
| US20180054503A1 (en) * | 2016-08-16 | 2018-02-22 | Samsung Electronics Co., Ltd. | Electronic device and method for controlling display using piezoelectric element |
| CN106658318A (en) * | 2017-01-20 | 2017-05-10 | 瑞声科技（南京）有限公司 | Vibration sound production system |
| CN206962880U (en) * | 2017-06-26 | 2018-02-02 | 维沃移动通信有限公司 | A kind of microphone and mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109710210B (en) | 2022-08-12 |
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