CN105227719B - A kind of mobile terminal - Google Patents
A kind of mobile terminal Download PDFInfo
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- CN105227719B CN105227719B CN201510664414.9A CN201510664414A CN105227719B CN 105227719 B CN105227719 B CN 105227719B CN 201510664414 A CN201510664414 A CN 201510664414A CN 105227719 B CN105227719 B CN 105227719B
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- sender
- mobile terminal
- sound wave
- sounding face
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Abstract
The invention discloses a kind of mobile terminal, including：Housing and the called device being arranged in the housing, the first sender and the second sender are offered on front side of the housing；The vibrating diaphragm both sides of the called device correspond to the first sounding face and the second sounding face of the called device respectively；First sender is communicated to first sounding face, second sender is communicated to second sounding face, so that mobile terminal is when increasing Headphone volume, the dialog context of user is not easy to propagate to surrounding, so as to not heard by neighbouring people, the privacy of user is ensured, improves the satisfaction of user.
Description
Technical field
The present embodiments relate to the terminal communications field, more particularly to a kind of mobile terminal.
Background technology
Such as the mobile terminal such as mobile phone, tablet personal computer can make communication between people more easily unique advantage, institute
It is more and more extensive with the use of mobile terminal.
As people gradually step up to private requirement, anti-divulge a secret of the lifting mobile terminal when people are communicated will
Ask extremely urgent.In the prior art, mobile terminal generally uses receiver, also known as moving coil receiver so that user can listen to
Music is conversed, and its operation principle (physical principle) is similar with traditional coil-moving speaker：The audio electrical signal of change
Feed-in voice coil loudspeaker voice coil, voice coil loudspeaker voice coil are placed in the magnetic gap of a magnetic circuit, and voice coil loudspeaker voice coil is because of the electromagnetic field changed caused by the electric current of change
The driving of power (Lorentz force) and up-down vibration, and drive vibrating diaphragm drive before and after air, produce sound wave.User is whole using movement
When end carries out voice communication, the volume that receiver is sent is unfavorable for the protection of user's communication privacy when becoming big, i.e., in lifting receiver
Sound easily spreads to surrounding while volume, is easily heard in user's communication by neighbouring people, and the privacy of user cannot
Ensure, Consumer's Experience is bad.
The content of the invention
The present invention provides a kind of mobile terminal, to solve in the prior art because receiver caused by the volume lifting of receiver is sent out
The problem of sound gone out easily heard by neighbouring people, and user's privacy cannot ensure.
The embodiment of the present invention provides a kind of mobile terminal, including：Housing and the called device being arranged in the housing,
The first sender and the second sender are offered on front side of the housing；The vibrating diaphragm both sides of the called device correspond to described respectively
The first sounding face and the second sounding face of called device；First sender is communicated to first sounding face, and described second
Sender is communicated to second sounding face.
The present invention on front side of mobile terminal shell by offering the first sender and the second sender, and by described the
One sender is communicated to first sounding face, and second sender is communicated to second sounding face so that mobile terminal
When increasing Headphone volume, the dialog context of user is not easy to propagate to surrounding, so as to not heard by neighbouring people, the private of user
Close property is ensured, improves the satisfaction of user.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the mobile terminal provided in the specific embodiment of the invention；
Fig. 2 is the structural representation of another mobile terminal provided in the specific embodiment of the invention；
Fig. 3 is the structural representation of another mobile terminal provided in the specific embodiment of the invention；
Fig. 4 is the schematic diagram for the waveform that the called device of the present invention sends sound wave；
Fig. 5 is the overall structure diagram of the mobile terminal provided in the specific embodiment of the invention.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention, rather than limitation of the invention.It also should be noted that in order to just
Part related to the present invention rather than entire infrastructure are illustrate only in description, accompanying drawing.
Fig. 1 is a kind of structural representation of the mobile terminal provided in the specific embodiment of the invention.As shown in figure 1, this
A kind of mobile terminal that embodiment provides, mainly including following structure：
Housing 110 and called device 120.
Wherein, the called device 120 is arranged in the housing 110, and the front side of the housing 110 offers first and gone out
The sender 112 of sound hole 111 and second, wherein the front side of the housing 110 refers to when user uses the mobile terminal, housing
110 towards the side of user.The both sides of vibrating diaphragm 121 of the called device 120 correspond to the first hair of the called device 120 respectively
The sounding face 123 of sound face 122 and second, first sender 111 are communicated to first sounding face 122, and described second goes out sound
Hole 112 is communicated to second sounding face 123.
The operation principle for the mobile terminal that the present embodiment is provided is as follows：
Sound is produced using the called device 120 such as moving coil receiver using general in existing mobile terminal, when
When called device 120 utilizes the effect of vibration sounding of vibrating diaphragm 121,180 ° of the phase difference of the vibration of the front and rear sides of vibrating diaphragm 121 is right
Answer, front side is because sound wave caused by vibration can differ 180 ° with phase of the rear side because of sound wave caused by vibration, i.e., such as
Shown in Fig. 4, abscissa represents the propagation time of sound wave, and ordinate represents the amplitude of sound wave, from the first of the called device 120
Sounding face 122 sends the first sound wave (shown in solid in Fig. 4), and the second sounding face 123 sends the second sound wave (dotted line in Fig. 4
It is shown), both phases differ 180 °, that is, both opposite in phase, and amplitude is equal.Wherein the first sound wave and the rising tone
The easy diffraction that occurs in ripple all be present and be the sound wave of directive property difference, and the strong sound wave of diffraction i.e. directive property is less likely to occur.Need
It is noted that in the communication process of sound wave, more than 1 KHz sound wave is general to have stronger directive property, 1 KHz with
Under sound wave typically there is poor directive property, diffraction easily occurs.
Because the first sender 111 is communicated to the first sounding face 122 in the present embodiment, so the first sound wave goes out sound from first
Hole 111 is sent；And second sender 112 is communicated to second sounding face 123, similarly so the second sound wave goes out from second
Sound hole 112 is sent.Because the first sender 111 and the second sender 112 are all opened in the front side of housing 110, so when described
The process that first sound wave and the second sound wave are propagated in atmosphere after respectively by the first sender 111 and the second sender 112
In, can be due to opposite in phase and amplitude is equal and offsets after the sound wave of directive property difference meets in two kinds of sound waves, that is, will be easily
The most of sound wave propagated to surrounding balances out, so that the propagation distance of the sound sent from called device 120 shortens, makes
The sound that called device 120 sends just is can't hear apart from the people of the mobile terminal certain distance；And the part sound that directive property is strong
For ripple because its directive property is not easy to propagate to surrounding by force, loss is less so that it is merely able to be heard by user, specific hidden
Private distance can be by the big of the first sender 111, the second sender 112, the first sounding face 122 and the second sounding face 123
Setting is adjusted in small, distance etc..
It should be noted that first sound wave in opposite in phase can with referring to the sound wave of tropism difference in second sound wave
, can also be by adjusting between the sender 112 of the first sender 111 and second being received by user before meeting
Distance the elimination degree of the sound wave being easily eliminated in the communication process around due to directive property difference is adjusted,
The user of mobile terminal is allowd to receive information entrained by this acoustic wave segment, and outside the certain limit away from the mobile terminal
People can not hear that so for the user of mobile terminal, the change of tonequality is little.
The embodiment of the present invention goes out sound by offering the first sender 111 and second in the front side of mobile terminal shell 110
Hole 112, and first sender 111 is communicated to first sounding face 122, second sender 112 is communicated to institute
State the second sounding face 123 so that mobile terminal is when increasing Headphone volume, scope from the sound that terminal is sent to surrounding that propagated from
Diminish, so as to not heard by neighbouring people, the privacy of user is ensured, improves the satisfaction of user, and is had
It is simple in construction, additionally increase production cost the advantages of.
Preferably, in above-described embodiment, the second sounding face 123 of the called device 120 is according to the called device 120
Structure set, can be the adjacent surface positioned at first sounding face 122, referring to Fig. 1；Can also be positioned at described the
The opposite face of one sounding face 122, referring to Fig. 2；It can also be while the opposite face positioned at first sounding face 122 and described the
The adjacent surface of one sounding face 122, referring to Fig. 3；As long as the second sound wave caused by the second sounding face 123 and the first sounding face 122
The phase of caused first sound wave differs 180 °.
Preferably, as shown in figure 1, the second sender 112 and the second of the called device 120 described in above-described embodiment
Sounding face 123 can be connected by leading note groove 130, and the benefit so set is can to prevent second sounding face 123 from sending out
The rising tone wave direction surrounding gone out is propagated to be had undesirable effect to other devices generation vibration in mobile terminal, while can also be made
Second sound wave is lost less when reaching the second sender 112.Wherein, material of leading note groove 130 is limited without specific at this
It is fixed, it is exemplary, can be plastic material, metal material or the more preferable material of other soundproof effects；The leading note groove 130 is not
" L " shape shown in Fig. 1 is confined to, as long as second sounding face 123 and second sender 112 can be connected, is played
Prevent from interfering miscellaneous part in mobile terminal, and the effect of the second sound wave loss can be reduced.
Further, as shown in figure 1, the face institute of first sounding face 122 of mobile terminal described in above-described embodiment
The first sender 111 is stated, the benefit so set is the first sound wave that can send first sounding face 122 to institute
Barrier will not be run into by stating during the first sender 111 is propagated, and reduce the loss of the first sound wave.
Preferably, second sender 112 can be provided in the default model centered on first sender 111
In enclosing, further, distance can be 2 centimetres between second sender 112 and first sender 111, when described
When distance is too small between second sender 112 and first sender 111, go out sound from the first sender 111 and second respectively
The first sound wave and the sound wave loss of the directive property difference of the second sound wave that hole 112 is sent are serious, reach the sound of the user of mobile terminal
The tonequality of sound is poor, and user can not receive the information entrained by the sound wave of the directive property difference, reduce Consumer's Experience；Work as institute
When stating that distance is excessive between the second sender 112 and first sender 111, it can cause respectively from the He of the first sender 111
The first sound wave and the sound wave of the directive property difference of the second sound wave that second sender 112 is sent are propagated during being propagated to surrounding
To can just be met so as to cancel out each other during larger distance, the people beyond certain limit near mobile terminal can also hear
The sound that the called device 120 of mobile terminal is sent, it is unfavorable for the protection of user's privacy.It should be noted that the present embodiment
Number and relative position relation to the sender 112 of the first sender 111 and second is without specific setting, as long as energy
On the premise of enough realization protection user's privacies, mobile terminal user can be received from the first sender 111 and second
The sound wave that sender 112 is sent.
Preferably, as shown in figure 5, mobile terminal also includes described in above-described embodiment：Printed circuit board (PCB) 140, the print
Printed circuit board 140 is arranged in the housing 110；The called device 120 is located on the printed circuit board (PCB) 140, and described
Printed circuit board (PCB) 140 electrically connects, and so the called device 120 is electrically connected with other devices on the printed circuit board (PCB) 140
Connect, it is possible to achieve the function such as open and close to the called device 120.
Further, called device 120 can be close by sealing shroud (not shown) described in above-described embodiment
It is assemblied on printed circuit board (PCB) 140, can so prevents the called device 120 from leaking sound, be also prevented from the mobile terminal
Other interior devices sound wave that caused sound wave is sent to called device 120 in the course of the work interferes, and influences user's body
Test.
As shown in figure 5, on the basis of above-described embodiment, first sender 111 and second sender 112
Place is provided with Air Filter 150, prevents foreign matter from entering in the mobile terminal with this, blocks first sender 111 and institute
The second sender 112 is stated, prevents sound wave from being sent from first sender 111 and second sender 112, it is exemplary
, described can be by viscous in the edge coating double faced adhesive tape or glue of Air Filter 150 and the housing 110 of the mobile terminal
Connect, so as to which Air Filter 150 is fixed on the housing 110.
Pay attention to, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although being carried out by above example to the present invention
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
Other more equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (8)
1. a kind of mobile terminal, including：Housing and the called device being arranged in the housing, it is characterised in that the shell
The first sender and the second sender are offered on front side of body；The vibrating diaphragm both sides of the called device correspond to the receiver respectively
The first sounding face and the second sounding face of part；
First sender is communicated to first sounding face, and second sender is communicated to second sounding face；Institute
The first sound wave that the first sounding face sends and the second acoustic phase that second sounding face is sent are stated on the contrary, amplitude is equal；
Second sender is arranged in the preset range centered on first sender so that first sound wave and
The sound wave of directive property difference in second sound wave is cancelled out each other after meeting, the sound wave of directive property difference for 1 KHz with
Under sound wave.
2. mobile terminal according to claim 1, it is characterised in that the second sounding face of the called device is positioned at described
The opposite face of first sounding face, and/or the adjacent surface of first sounding face.
3. mobile terminal according to claim 1, it is characterised in that the of second sender and the called device
Two sounding faces are connected by leading note groove.
4. mobile terminal according to claim 1, it is characterised in that first goes out sound described in the first sounding face face
Hole.
5. mobile terminal according to claim 1, it is characterised in that second sender and first sender it
Between distance be 2 centimetres.
6. mobile terminal according to claim 1, it is characterised in that also include：Printed circuit board (PCB), the printed circuit board (PCB)
It is arranged in the housing；The called device is located on the printed circuit board (PCB), is electrically connected with the printed circuit board (PCB).
7. mobile terminal according to claim 6, it is characterised in that the called device is fitted closely over by sealing shroud
On printed circuit board (PCB).
8. mobile terminal according to claim 7, it is characterised in that first sender and second sender
Place is provided with Air Filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664414.9A CN105227719B (en) | 2015-10-14 | 2015-10-14 | A kind of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510664414.9A CN105227719B (en) | 2015-10-14 | 2015-10-14 | A kind of mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105227719A CN105227719A (en) | 2016-01-06 |
| CN105227719B true CN105227719B (en) | 2018-04-03 |
Family
ID=54996387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510664414.9A Active CN105227719B (en) | 2015-10-14 | 2015-10-14 | A kind of mobile terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105227719B (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106993251B (en) * | 2017-06-06 | 2024-04-12 | 上海传英信息技术有限公司 | Electronic equipment |
| CN108494918A (en) * | 2018-05-28 | 2018-09-04 | 维沃移动通信有限公司 | A kind of mobile terminal |
| CN108965522B (en) * | 2018-07-10 | 2020-10-16 | 维沃移动通信有限公司 | Receiver module and terminal equipment |
| CN108989514A (en) * | 2018-07-26 | 2018-12-11 | 维沃移动通信有限公司 | A kind of mobile terminal |
| CN109218938B (en) | 2018-08-13 | 2023-11-14 | 歌尔股份有限公司 | terminal device |
| CN110839092B (en) * | 2018-08-17 | 2021-03-30 | Oppo广东移动通信有限公司 | Electronic device |
| CN109511029B (en) * | 2018-11-15 | 2022-05-27 | 维沃移动通信有限公司 | Mobile device |
| CN109862496A (en) * | 2019-04-12 | 2019-06-07 | 深圳市广扬科技有限公司 | A kind of nearly ear is directed out sound structure and its audio glasses |
| CN115334185A (en) * | 2019-06-20 | 2022-11-11 | 华为技术有限公司 | Electronic equipment, signal processing method and device |
| CN111225086B (en) * | 2019-11-29 | 2021-06-22 | 维沃移动通信有限公司 | Electronic device |
| CN110933211B (en) * | 2019-11-29 | 2021-07-13 | 维沃移动通信有限公司 | Electronic device |
| CN110944078B (en) * | 2019-11-29 | 2021-07-06 | 维沃移动通信有限公司 | Electronic device |
| CN110944079B (en) * | 2019-11-29 | 2021-06-04 | 维沃移动通信有限公司 | Electronic device |
| CN111031163B (en) * | 2019-11-29 | 2021-05-14 | 维沃移动通信有限公司 | Electronic device |
| CN111225305B (en) * | 2020-01-15 | 2022-01-07 | Oppo广东移动通信有限公司 | Electronic device |
| CN111193985B (en) * | 2020-03-13 | 2021-06-01 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN111464680B (en) * | 2020-04-09 | 2021-07-16 | Oppo广东移动通信有限公司 | Electronic device |
| CN113645334A (en) * | 2020-05-11 | 2021-11-12 | 华为技术有限公司 | Device for reducing sound leakage |
| CN111988458A (en) * | 2020-08-21 | 2020-11-24 | Oppo广东移动通信有限公司 | Call privacy protection method, terminal device and storage medium |
| CN113992772B (en) * | 2021-10-12 | 2024-03-01 | 维沃移动通信有限公司 | Electronic equipment and audio signal processing method thereof |
| CN115633297A (en) * | 2022-10-21 | 2023-01-20 | 瑞声光电科技(常州)有限公司 | Electronic equipment |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN105227719A (en) | 2016-01-06 |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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