CN103139680A - Electronic equipment - Google Patents
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- CN103139680A CN103139680A CN2011103851168A CN201110385116A CN103139680A CN 103139680 A CN103139680 A CN 103139680A CN 2011103851168 A CN2011103851168 A CN 2011103851168A CN 201110385116 A CN201110385116 A CN 201110385116A CN 103139680 A CN103139680 A CN 103139680A
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Abstract
The invention provides electronic equipment which comprises a shell body, a first sound producing device and a first sound outlet, wherein the first sound producing device is arranged in the shell body, receives audio signals, and produces sound based on the audio signals; and the first sound outlet is formed in the shell body. The sound produced by the first sound producing device is transmitted to the external of the shell body through the first sound outlet. When projected on a plane where the first sound outlet is located, the first sound producing device is arranged in a bias mode relative to the first sound outlet along a first direction in the plane. The invention further provides portable communication equipment. According to the electronic equipment and the portable communication equipment, the space interference problem produced between the sound producing device and other components in the electronic equipment can be resolved, the design freedom degree is improved, and the thickness of the equipment is reduced.
Description
Technical field
The present invention relates to have the electronic equipment of sound output function, in particular to having flexible piezoelectric sound-generating devices and the sound that flexible piezoelectric sound-generating devices produces being sent to the electronic equipment of outside sender.
Background technology
Electronic equipment is widely used among people's live and work.A lot of electronic equipments have sound output function, for example, the portable communication device such as cellular phone, personal digital assistant (PDA), such as MP3, MP4,
And so on multimedia player, and the computer product such as notebook computer, panel computer, etc.
For sound output function is provided, in electronic equipment, flexible piezoelectric sound-generating devices can be set, as receiver and loud speaker.Receiver generally is used for voice output, and loud speaker can be common to the output of various sound.The sound that these flexible piezoelectric sound-generating devices produce is sent to the outside with the sound wave form by the sender on the shell of electronic equipment.In the electronic equipment of prior art, flexible piezoelectric sound-generating devices and sender over against.Usually, this flexible piezoelectric sound-generating devices and sender over against layout be considered to compact, simply and not can cause the audio variation.
Yet people are more and more higher to the requirement of electronic equipment, comprising the requirement of size aspect.For instance, for the portable communication device and portable computer of mobile phone and so on, have at present a kind of trend, namely required thickness is thin as best one can.On the other hand, for the consideration of for example attractive in appearance or function aspects, some parts in electronic equipment are required again on thickness direction roughly alignment.This brings challenges just for structure and the layout of the internal part of electronic equipment.Referring to Fig. 1, take portable communication device 100 as example, may be due to the consideration of aesthetic property, require its sender 51 and earphone jack 61 all to be positioned at the central authorities of the Width of equipment 100, and located adjacent one another.Like this, be appreciated that the equipment of being arranged at 100 housing inside with sender 51 over against flexible piezoelectric sound-generating devices and the earphone socket that is associated with earphone jack 61 spatially can interfere.According to prior art, for situation or the similar situation of the said equipment 100, or the position relationship between change sender 51 and earphone jack 61, or the thickness of increase equipment 100.But these two kinds of selections are not gratifying.
Summary of the invention
Therefore, need a kind of improved electronic equipment with sound output function, it can solve above-mentioned space interference problem, improves design freedom, reduce device thickness.
For this reason, the invention provides a kind of electronic equipment, it comprises: housing; Be arranged on the first flexible piezoelectric sound-generating devices in described housing, its received audio signal also produces sound based on described audio signal; With the first sender that is arranged on described housing, the sound that described the first flexible piezoelectric sound-generating devices produces is sent to described outside by described the first sender, wherein, described the first flexible piezoelectric sound-generating devices is biased along the first direction in described plane with respect to described the first sender on the plane that projects to described the first sender place the time.
Preferably, the first distance of being biased along described first direction with respect to described the first sender of described the first flexible piezoelectric sound-generating devices greater than between described the first flexible piezoelectric sound-generating devices and described the first sender perpendicular to the second distance on the second direction on described plane.More preferably, described the first distance with the ratio of second distance greater than 2.
In certain embodiments, the sound that described the first flexible piezoelectric sound-generating devices produces can be sent to described the first sender via sound channel, and described sound channel forms approximate S shape in the plane that comprises described first direction and second direction.
Described the first flexible piezoelectric sound-generating devices has the voice output face of output sound, and described sound channel can comprise the voice output face that faces described the first flexible piezoelectric sound-generating devices first end, face the second end of described the first sender and be connected to first end and the second end between interlude.
Preferably, described interlude is formed with bend.More preferably, described structure for curvature section becomes to improve the audio component of the 3.5～4.5KHz frequency in the sound that described the first flexible piezoelectric sound-generating devices produces.
Preferably, described interlude at the height on described second direction less than the height of described first end on described second direction, and less than the height of described the second end on described second direction.
Described electronic equipment can also comprise the signal of communication receiving system, described signal of communication receiving system receives from the signal of communication of described electronic device exterior and converts this signal of communication to audio signal, and described the first flexible piezoelectric sound-generating devices can receive the audio signal from described signal of communication receiving system.
Described electronic equipment can also comprise the memory cell for storing data information, and described the first flexible piezoelectric sound-generating devices can receive the data message of storing based on described memory cell and the audio signal that obtains.
Described electronic equipment can also comprise: be arranged on the second flexible piezoelectric sound-generating devices in described housing, its received audio signal also produces sound based on described audio signal; With the second sender that is arranged on described housing, the sound that described the second flexible piezoelectric sound-generating devices produces is sent to described outside by described the second sender, wherein said the second flexible piezoelectric sound-generating devices is on the plane that projects to described the second sender place the time, with respect to described the second sender along the direction alignment perpendicular to the plane at described the second sender place.
Preferably, the max volume that produces less than described the second flexible piezoelectric sound-generating devices of the max volume that produces of described the first flexible piezoelectric sound-generating devices.
Preferably, described the first sender is circular hole.
The present invention also provides a kind of portable communication device, and it comprises: housing; The signal of communication receiving system, described signal of communication receiving system reception also converts this signal of communication to audio signal from the signal of communication of described portable communication device outside; Be arranged on the receiver in described housing, receive from the audio signal of described signal of communication receiving system and produce sound based on described audio signal; Be arranged on the receiver sender on described housing, the sound that described receiver produces is sent to described outside by described receiver sender, wherein said receiver is biased along the first direction in described plane with respect to described receiver on the plane that projects to described receiver sender place the time.
Preferably, described receiver is biased the first distance with respect to described receiver sender along described first direction, the second distance of being separated by on the second direction perpendicular to described plane between described receiver and described receiver sender, the ratio of described the first distance and second distance is greater than 3.
Description of drawings
It is obvious that other features and advantages of the present invention will become in the description of reference the following drawings:
Fig. 1 illustrates an example can using electronic equipment of the present invention;
Fig. 2 A is that conduct is according to the schematic partial cross-sectional view of the portable communication device of an embodiment of electronic equipment of the present invention;
Fig. 2 B is the enlarged diagram of the sound channel in described portable communication device;
Fig. 3 is the partial, exploded perspective view of described portable communication device, shows the parts relevant to sound channel;
Fig. 4 is the fragmentary, perspective view for the first cascade support of described portable communication device;
Fig. 5 is the partial schematic diagram of first cascade cradle back, earphone socket shown in it and the flexible piezoelectric sound-generating devices layout on the first cascade cradle back;
Fig. 6 is the perspective schematic view for the flexible piezoelectric sound-generating devices of described portable communication device;
Fig. 7 is for the packing ring of sealing is provided between the first cascade support of described portable communication device and the second stacked support;
Fig. 8 A is the fragmentary, perspective view of the described portable communication device of part assembling, outside wherein the first cascade support is exposed on;
Fig. 8 B is near the view of the further amplification the sound channel of portable communication device of the part assembling shown in Fig. 8 A;
Fig. 9 is the fragmentary, perspective view for the second stacked support of described portable communication device;
Figure 10 is the fragmentary, perspective view of the described portable communication device of part assembling, outside wherein the second stacked support is exposed on;
Figure 11 is the frequency response curve figure that obtains in an example of described portable communication device, wherein shows simultaneously the frequency response curve of a existing portable communication device.
Embodiment
Electronic equipment of the present invention has adopted a kind of novel sound chamber design, flexible piezoelectric sound-generating devices is offset with respect to each on the direction on the plane that is parallel to the sender place with respect to the sender of correspondence, thereby will with sender over against the space abdicate, can be for other parts in arranging electronic equipment.From an angle, the space interference that this has been avoided flexible piezoelectric sound-generating devices and other parts in the electronic equipment has increased the degree of freedom of design.From another perspective, this help reduces the size of electronic equipment.
Particularly, electronic equipment of the present invention comprises housing; Be arranged on and be used for received audio signal in housing and be used on housing the sound that flexible piezoelectric sound-generating devices produces is sent to outside sender with being arranged on based on the sonorific flexible piezoelectric sound-generating devices of audio signal, when wherein flexible piezoelectric sound-generating devices is on the plane that projects to the sender place, be biased along a direction in this plane with respect to sender.
The present invention can be applied to various electronic equipments with sound output function, includes but not limited to: the portable communication device such as cellular phone, personal digital assistant (PDA), such as MP3, MP4,
And so on multimedia player, and the computer product such as notebook computer, panel computer.
Below will be only take portable communication device as example, describe an embodiment of electronic equipment of the present invention with reference to the accompanying drawings.
Fig. 1 illustrates portable communication device 100.In this equipment 100, the sender that is formed on cover plate 50 is located adjacent one another with the earphone jack 61 on the side that is formed on equipment 100, and is positioned at central authorities on the Width of equipment 100.Hereinafter, portable communication device 100 is used as an example having used electronic equipment of the present invention.
Fig. 2 A illustrates along the plane that is parallel to x direction and y direction and dissects the schematic partial cross-sectional view that portable communication device 100 obtains, and wherein for clarity sake, parts and structure unrelated to the invention are omitted.The x direction is the Width of equipment 100, and it is parallel to the surface (surface of cover plate 50) at sender 51 places; The y direction is the thickness direction of equipment 100, and it is perpendicular to the surface of cover plate 50.As shown in Fig. 2 A, portable communication device 100 comprises the housing that is made of cover plate 50 and end cover 55 etc., and flexible piezoelectric sound-generating devices 10 is installed in housing, is provided with sender 51 on cover plate 50, and flexible piezoelectric sound-generating devices 10 is biased in the x-direction with respect to sender 51.Be biased in the x-direction with respect to sender 51 when or rather, flexible piezoelectric sound-generating devices 10 is in the plane that is projected to cover plate 50.
As shown in Fig. 2 A, flexible piezoelectric sound-generating devices 10 with respect to sender in first on x direction distance greater than both second distances on the y direction.According to the present invention, in order to avoid fully space interference, and in order to reduce equipment 100 thickness in the y-direction as far as possible, above-mentioned the first distance is preferably more than 2 times of second distance, is more preferably more than 3 times.
Flexible piezoelectric sound-generating devices 10 can be the receiver of output voice, also can be for being common to the loud speaker of the various sound of output.When flexible piezoelectric sound-generating devices 10 is receiver or loud speaker, can further include loud speaker or receiver in portable communication device 100.The loud speaker that this further comprises or receiver, can its corresponding sender over against.When flexible piezoelectric sound-generating devices 10 was receiver, the max volume of its output was less than the maximum output volume of the loud speaker in equipment 100.
When flexible piezoelectric sound-generating devices 10 was receiver, it was from the signal of communication receiving system (not shown) received audio signal of portable communication device 100.Particularly, the signal of communication receiving system receives the signal of communication from equipment 100 outsides, converts thereof into audio signal and offers flexible piezoelectric sound-generating devices 10.
When flexible piezoelectric sound-generating devices 10 was loud speaker, it not only can receive the audio signal from the signal of communication receiving system, but also can carry out the broadcast of local audio data.Particularly, no matter electronic equipment is portable communication device or other electronic equipment (for example notebook computer), can comprise the storage device (not shown) for storing data information.The data message that storage device is stored can be read out, converts audio signal to and offers flexible piezoelectric sound-generating devices 10.
As seen, realization of the present invention and application are not limited to the type of electronic equipment or the flexible piezoelectric sound-generating devices of particular type.
However, in portable communication device 100, preferred, flexible piezoelectric sound-generating devices 10 is receiver.Because the volume that receiver need to be exported is less, thereby require lower to the delivery efficiency of sound; And receiver requires lower only for voice output to tonequality.Selection is embodied as the receiver in portable communication device the design that more is conducive to sound channel with respect to the flexible piezoelectric sound-generating devices 10 of its corresponding sender biasing.Correspondingly, sender 51 can be the receiver sender.
In an illustrated embodiment, flexible piezoelectric sound-generating devices 10 has voice output face 11, and the sound of exporting from voice output face 11 is sent to sender 51 via sound channel.Fig. 2 B shows separately the sound channel in portable communication device 100.In the embodiment shown, this sound channel forms approximate S shape in the x-y plane.More specifically, this sound channel comprise the voice output face 11 that faces flexible piezoelectric sound-generating devices 10 first end a, face the second end b of sender and be connected to first end a and the second end b between interlude c.First end a forms a resonant cavity.Interlude c and the second end b consist of the sound guide tube of sound to sender 51 conduction.
The interlude c of sound channel is preferably formed as having bend.This be because, the inventor finds through research, by being set in sound channel, not only can not damage from the audio of the sound of flexible piezoelectric sound-generating devices 10 outputs such bend, and can also desirably help to improve frequency response amplitude to the high fdrequency component in sound, described high fdrequency component is for example the component of 3.5～4.5KHz frequency range or higher frequency.
In addition, more advantageously, make interlude c at the height d on the y direction less than the height of first end a on the y direction, and less than the height of the second end b on the y direction.
By various piece a, the b of sound channel, the size and dimension of c are designed, with respect to traditional make flexible piezoelectric sound-generating devices and sender over against audio cavity structure compare, not only do not make both poor sound quality, and can improve high frequency response to sound, reduce the distortion of sound, thereby improved tonequality.
Fig. 3 to Figure 10 has further specifically illustrated concrete member, the structure that realizes sound channel described above in portable communication device 100.In below describing take the side that cover plate 50 is set of portable communication device 100 as positive, take a side opposite with cover plate 50 as the back side.
Fig. 3 is the partial, exploded perspective view of portable communication device 100, shows the parts relevant to sound channel.Fig. 3 shows the circuit board that flexible piezoelectric sound-generating devices 10 is installed in portable communication device 100; Be stacked in the first cascade support 20 on circuit board; Be stacked in the second stacked support 40 on first cascade support 20; For the packing ring 30 that between first cascade support 20 and the second stacked support 40, sound channel is sealed; Be stacked in the cover plate 50 on the second stacked support 40.The end cover of equipment 100 is not shown in Fig. 3.
Fig. 4 is the fragmentary, perspective view of the first cascade support 20 in portable communication device 100.In conjunction with reference to Fig. 2 A and Fig. 4, be formed with the first opening 21, recess 23 on the front of first cascade support 20 and be connected to protrusion 22 between the first opening 21 and recess 23.In addition, round the first opening 21, protrusion 22 and recess 23, also be formed with cannelure 24 on the front of first cascade support 20, be used for receiving therein packing ring 30.As shown in Figure 7, packing ring 30 has the shape similar to cannelure 24.
Fig. 5 is the partial schematic diagram at the back side of first cascade support 20, earphone socket shown in it 62 and the layout of flexible piezoelectric sound-generating devices 10 on the back side of first cascade support 20.As shown in Figure 5, earphone socket 62 is arranged to align with earphone jack 61 on the Width (x direction) of equipment 100, and flexible piezoelectric sound-generating devices 10 is arranged to be biased the central authorities on the Width of the equipment of leaving 100.Like this, earphone socket 62 and flexible piezoelectric sound-generating devices 10 can be arranged at grade on the back side of first cascade support 20, thereby can not increase equipment 100 thickness in the y-direction.
Fig. 6 shows an example of flexible piezoelectric sound-generating devices 10.
Fig. 8 A is the fragmentary, perspective view of the portable communication device 100 of part assembling, outside wherein first cascade support 20 is exposed on; Fig. 8 B is near the view of the further amplification the sound channel of portable communication device 100 of the part assembling shown in Fig. 8 A.By the assembling of circuit board and first cascade support 20, the voice output face 11 that is arranged on the flexible piezoelectric sound-generating devices 10 on circuit board exposes from the first opening 21 of first cascade support 20, as shown in Fig. 8 A and 8B.The first opening 21 has the shape similar to voice output face 11 and size.Packing ring 30 is engaged in the cannelure 24 of first cascade support 20.
Fig. 9 is the fragmentary, perspective view of the second stacked support 40 of portable communication device 100.As shown in the figure, the sender 51 with on cover plate 50 of the second stacked support 40 is provided with through hole 41 on corresponding position, and is provided with the second opening 42 on the position corresponding with the first opening 21 of first cascade support.
Figure 10 is fragmentary, perspective view, is illustrated in the structure of further having assembled the second stacked support 40 on the basis of portable communication device 100 of the part assembling shown in Fig. 8 A.Shown in accompanying drawing 10, when the second stacked support 40 is stacked on first cascade support 20, expose the part of the first opening 21, protrusion 22 and recess 23 on first cascade support 20 from the second opening 42 of the second stacked support 40, and the second opening 42 of the second stacked support 40 leads to the recess 23 on first cascade support 20.
When further stacked cover plate 50 on structure shown in Figure 10, obtain the portable communication device that assembles 100 shown in Fig. 1 and Fig. 2 A.As shown in the figure, the sender 51 on cover plate 50 is of similar shape with through hole 41 on the second stacked support 40 and size and aliging in the y-direction each other, and leads to the recess 23 on first cascade support 20.The filter screen 70 that dust protection is used can be set, as shown in Fig. 2 A between sender 51 and through hole 41.
As previously discussed, in the embodiment shown, by the first opening 21, protrusion 22, the recess 23 on first cascade support 20; Packing ring 30; The second opening 42, through hole 41 on the second stacked support 40 have consisted of the sound channel that the sound that flexible piezoelectric sound-generating devices 10 is produced is sent to sender 51.When sender 51 had larger thickness in the y-direction, sender 51 also can be thought the part of sound channel.
Below in conjunction with Fig. 2 B, provide a concrete example of the sound channel design in portable communication device 100.
In this example, flexible piezoelectric sound-generating devices 10 is receiver, and its voice output face 11 is of a size of 10mm * 6mm; The volume of the first end resonant cavity that a consists of of sound channel is about 0.02-0.05cm
3Interlude c height d in the y-direction is about 1-1.5mm; The length 1 of whole sound channel is about 13-15mm; The edge of the second end b is about 6-8mm perpendicular to the sectional area on the plane of y direction
2Simulation calculation shows, near frequency response curve amplitude 4KHz of the voice output of the flexible piezoelectric sound-generating devices 10 of the portable communication device 100 in this example is enhanced, as shown in the A curve in Figure 11, therefore make frequency response curve just pass through mobile terminal without software debugging and receive frequency response judgement window, reduced to greatest extent the conversation distortion.
Be below only exemplary to the description of embodiments of the invention by reference to the accompanying drawings, and should not be construed as limitation of the present invention.The invention is intended to cover all equivalent technical solutions that fall within the protection range that claims limit.
Claims (15)
1. electronic equipment comprises:
Housing;
Be arranged on the first flexible piezoelectric sound-generating devices in described housing, its received audio signal also produces sound based on described audio signal; With
Be arranged on the first sender on described housing, the sound that described the first flexible piezoelectric sound-generating devices produces is sent to described outside by described the first sender,
Wherein, described the first flexible piezoelectric sound-generating devices is biased along the first direction in described plane with respect to described the first sender on the plane that projects to described the first sender place the time.
2. electronic equipment as claimed in claim 1, wherein, the first distance of being biased along described first direction with respect to described the first sender of described the first flexible piezoelectric sound-generating devices greater than between described the first flexible piezoelectric sound-generating devices and described the first sender perpendicular to the second distance on the second direction on described plane.
3. electronic equipment as claimed in claim 1, wherein, the ratio of described the first distance and second distance is greater than 2.
4. electronic equipment as claimed in claim 2 or claim 3, wherein, the sound that described the first flexible piezoelectric sound-generating devices produces is sent to described the first sender via sound channel, and described sound channel forms approximate S shape in the plane that comprises described first direction and second direction.
5. electronic equipment as claimed in claim 4, wherein,
Described the first flexible piezoelectric sound-generating devices has the voice output face of output sound, and
Described sound channel comprise the voice output face that faces described the first flexible piezoelectric sound-generating devices first end, face the second end of described the first sender and be connected to first end and the second end between interlude.
6. electronic equipment as claimed in claim 5, wherein, described interlude is formed with bend.
7. electronic equipment as claimed in claim 6, wherein, described structure for curvature section becomes to improve the audio component of the 3.5～4.5KHz frequency in the sound that described the first flexible piezoelectric sound-generating devices produces.
8. electronic equipment as described in claim 5 or 6, wherein, described interlude at the height on described second direction less than the height of described first end on described second direction, and less than the height of described the second end on described second direction.
9. electronic equipment as claimed in claim 1, also comprise the signal of communication receiving system, described signal of communication receiving system receives from the signal of communication of described electronic device exterior and converts this signal of communication to audio signal, and described the first flexible piezoelectric sound-generating devices receives the audio signal from described signal of communication receiving system.
10. electronic equipment as described in claim 1 or 9, also comprise the memory cell for storing data information, and wherein, described the first flexible piezoelectric sound-generating devices receives the data message of storing based on described memory cell and the audio signal that obtains.
11. electronic equipment as claimed in claim 1 also comprises:
Be arranged on the second flexible piezoelectric sound-generating devices in described housing, its received audio signal also produces sound based on described audio signal; With
Be arranged on the second sender on described housing, the sound that described the second flexible piezoelectric sound-generating devices produces is sent to described outside by described the second sender,
Wherein, described the second flexible piezoelectric sound-generating devices is on the plane that projects to described the second sender place the time, with respect to described the second sender along the direction alignment perpendicular to the plane at described the second sender place.
12. electronic equipment as claimed in claim 11, wherein, the max volume that the max volume that described the first flexible piezoelectric sound-generating devices produces produces less than described the second flexible piezoelectric sound-generating devices.
13. electronic equipment as claimed in claim 1 or 2, wherein, described the first sender is circular hole.
14. a portable communication device comprises
Housing;
The signal of communication receiving system, described signal of communication receiving system reception also converts this signal of communication to audio signal from the signal of communication of described portable communication device outside;
Be arranged on the receiver in described housing, receive from the audio signal of described signal of communication receiving system and produce sound based on described audio signal;
Be arranged on the receiver sender on described housing, the sound that described receiver produces is sent to described outside by described receiver sender,
Wherein, described receiver is biased along the first direction in described plane with respect to described receiver on the plane that projects to described receiver sender place the time.
15. portable communication device as claimed in claim 14, wherein, described receiver is biased the first distance with respect to described receiver sender along described first direction, the second distance of being separated by on the second direction perpendicular to described plane between described receiver and described receiver sender, the ratio of described the first distance and second distance is greater than 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110385116.8A CN103139680B (en) | 2011-11-28 | 2011-11-28 | Electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110385116.8A CN103139680B (en) | 2011-11-28 | 2011-11-28 | Electronic equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103139680A true CN103139680A (en) | 2013-06-05 |
| CN103139680B CN103139680B (en) | 2016-03-30 |
Family
ID=48498882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110385116.8A Active CN103139680B (en) | 2011-11-28 | 2011-11-28 | Electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103139680B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104423425A (en) * | 2013-08-20 | 2015-03-18 | 联想(北京)有限公司 | Auxiliary device |
| CN107528944A (en) * | 2017-09-08 | 2017-12-29 | 北京小米移动软件有限公司 | Communication equipment |
| WO2019233312A1 (en) * | 2018-06-04 | 2019-12-12 | Oppo广东移动通信有限公司 | Receiver, receiver assembly, and electronic device |
| CN112153502A (en) * | 2020-08-27 | 2020-12-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| CN113114824A (en) * | 2021-05-13 | 2021-07-13 | 维沃移动通信有限公司 | Electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005033723A (en) * | 2003-07-11 | 2005-02-03 | Toshiba Corp | Portable terminal device |
| CN1666565A (en) * | 2002-07-01 | 2005-09-07 | 索尼爱立信移动通讯股份有限公司 | Speaker arrangement for communication terminal |
| CN101361400A (en) * | 2006-01-20 | 2009-02-04 | 日本电气株式会社 | Mobile terminal and speaker |
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2011
- 2011-11-28 CN CN201110385116.8A patent/CN103139680B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1666565A (en) * | 2002-07-01 | 2005-09-07 | 索尼爱立信移动通讯股份有限公司 | Speaker arrangement for communication terminal |
| JP2005033723A (en) * | 2003-07-11 | 2005-02-03 | Toshiba Corp | Portable terminal device |
| CN101361400A (en) * | 2006-01-20 | 2009-02-04 | 日本电气株式会社 | Mobile terminal and speaker |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104423425A (en) * | 2013-08-20 | 2015-03-18 | 联想(北京)有限公司 | Auxiliary device |
| CN104423425B (en) * | 2013-08-20 | 2018-12-14 | 联想(北京)有限公司 | A kind of auxiliary device |
| CN107528944A (en) * | 2017-09-08 | 2017-12-29 | 北京小米移动软件有限公司 | Communication equipment |
| WO2019233312A1 (en) * | 2018-06-04 | 2019-12-12 | Oppo广东移动通信有限公司 | Receiver, receiver assembly, and electronic device |
| CN112153502A (en) * | 2020-08-27 | 2020-12-29 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker box |
| CN113114824A (en) * | 2021-05-13 | 2021-07-13 | 维沃移动通信有限公司 | Electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103139680B (en) | 2016-03-30 |
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