CN101170311B - Mobile communication device - Google Patents
Mobile communication device Download PDFInfo
- Publication number
- CN101170311B CN101170311B CN2007101050972A CN200710105097A CN101170311B CN 101170311 B CN101170311 B CN 101170311B CN 2007101050972 A CN2007101050972 A CN 2007101050972A CN 200710105097 A CN200710105097 A CN 200710105097A CN 101170311 B CN101170311 B CN 101170311B
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- sound
- shell
- terminal body
- guiding device
- chamber
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
- H04M1/035—Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Telephone Set Structure (AREA)
Abstract
A mobile communication device is provided. The mobile communication device includes a terminal body, and a speaker module located in the terminal body. The speaker module includes an enclosure located in the terminal body, the enclosure defining a chamber therein, and a speaker having a front surface and a rear surface, the speaker being located in the enclosure such that the front surface of the speaker is exposed from the enclosure and the rear surface thereof is positioned within the chamber, to allow a sound generated from the rear surface to resonate within the chamber. A mutual interference between the sound generated from the front side of the sound emission part and the sound emitted from the rear side thereof can be reduced to thereby improve the performance of the middle and low sound.
Description
Technical field
The present invention relates generally to the mobile communication equipment that can improve bass performance, especially, relate to mobile communication equipment with loudspeaker module.
Background technology
The mobile communication equipment that comprises mobile phone or PDA be allow the user when moving, wirelessly to send, receive, read or many mobile electronic devices of process information in a kind of.
Because impelling of recent information technology, the communication technology and memory technology progress, except its original call function, mobile communication equipment can also directly generate, send or receive multimedia.For example, mobile communication equipment can the multimedia rendering file, such as music, film or recreation, and even has a function of using satellite or terrestrial television channel receiving digital multimedia broadcastinging (DMB).Be equipped with the mobile communication equipment of digital camera for those, this equipment can also be caught image or video, sends image or video, perhaps allows the user to remove to appreciate image or the video that uses digital camera to obtain.
Experience in order to help the user to enjoy multimedia via mobile communication equipment, the loud speaker that is installed in the mobile communication equipment develops towards the direction that the high pitch performance is provided.Simultaneously, for the convenient mobile communication equipment of user when carrying becomes lighter and thinner, this can cause problem, is incorporated in this mobile communication equipment like complicated more loud speaker.Therefore, a kind of unnecessarily excessive space that in mobile communication equipment, do not occupy need be provided, but the loudspeaker unit of higher sound performance still is provided.
The loudspeaker unit of correlation technique mobile communication equipment is described referring now to Fig. 1.Fig. 1 is the cutaway view that the speaker portion of correlation technique mobile communication equipment is shown.As shown in Figure 1, this mobile communication equipment 11 comprises first and second housings 12 and 13 that support internal structure and form its profile, and loudspeaker unit 16 is fixed on the inboard upper speaker unit of second housing 13.
Through hole 15 is formed on second housing 13, passes its transmission with the sound (A) that allows to send from the front of loudspeaker unit 16, and therefore, after passing this through hole 15, sound wave is discharged to the outside.
Rib 14 is formed on the inner surface of second housing 13 with fixing loudspeaker unit 16, and loudspeaker unit 16 is made the sound that sends from its front side can not leak into the inside of this mobile communication equipment by tightly attached on the rib 14.
Packing ring 17 is installed in the inboard of rib 14, to guarantee that loudspeaker unit 16 is adhered to tightly.By means of such structure, this loudspeaker unit 16 produces sound A and B according to the signal that transmits from the plate 18 that is located in housing 12 and 13.But a problem of above structure is, the sound (A) that sends from the front side of loudspeaker unit 16 disturbs with the sound (B) that the back side from loudspeaker unit 16 produces, and has opposite phases, thereby makes the performance degradation of loudspeaker unit 16.In other words, under the situation of low-frequency band because it has strong diffraction, the sound (A) that produces from the front side and produce from rear side, have mixed and mutually offset with the sound (B) of sound (A) opposite phases.
Summary of the invention
Therefore, in order to solve above-described problem, the various characteristics of describing have herein been conceived.The aspect of the embodiment of this demonstration provides a kind of mobile communication equipment that has the loudspeaker module of good bass performance and have this loudspeaker module.
Another aspect of the present invention be loud speaker can not become make the compact obstacle of mobile communication equipment aspect this on, reduce the influence of loudspeaker unit to mobile communication equipment.
According to principle of the present invention, a kind of mobile communication equipment is provided.This mobile communication equipment comprises: terminal body and be arranged on the loudspeaker module in the terminal body.This loudspeaker module comprises: be arranged on the shell in the terminal body, this shell limits the chamber therein; With the loud speaker with front and back, this loud speaker is set in the shell, makes the front of loud speaker from shell, expose, and its back side is placed in the chamber, with the sound that allows to produce from the back side at this chamber internal resonance.
In one aspect of the method, this shell can comprise having the front that is arranged on installing hole wherein, and this installing hole has the size corresponding to the front of this loud speaker, and the front of this loud speaker can be exposed via installing hole.
In aspect different, this shell can have the width corresponding to terminal body inside.
In aspect another, this terminal body can comprise the procapsid (housing) in the front of exposing loud speaker, and through connecting the back casing that projection is connected to this procapsid, and this shell can comprise that at least one through hole passes it to allow connecting projection.
In aspect another, this shell (enclosure) can comprise the loud speaker setting above that fore shell (case) and attached on the front casing to form the back cover in this chamber.
In aspect another, this loudspeaker module can comprise at least one sound guiding device (sound guide) that is connected to this chamber.
According to principle of the present invention, a kind of mobile communication equipment is provided.This mobile communication equipment comprises: terminal body, this terminal body have the speaker hole that forms on its surface; With the loudspeaker module that is arranged in this terminal body, this loudspeaker module comprises: be arranged on the shell in this terminal body, the chamber that this shell is formed for resonating and comprise in its surface the installing hole that forms; Loud speaker with front and back; This loud speaker is set in this shell; Make said front expose via said installing hole; And the said back side is arranged in this chamber, with second sound that allows to send through said speaker hole and to produce from first sound that the front of said loud speaker produces from the said back side in said chamber internal resonance; With the sound guiding device that is connected to this shell with length-specific and second sound of in this chamber, resonating of guiding; Wherein said sound guiding device has in the end of said terminal body inner opening, makes said second sound of in said chamber internal resonance leak into the inside of said terminal body.
In one aspect of the method, this sound guiding device can have enough length, with the phasing back of permission from the sound of the back side generation of loud speaker.
In aspect different, this sound guiding device can be flexible.
In aspect another, this shell can comprise opening, and this sound guiding device can be inserted in this opening, so that be connected with this chamber.
In aspect another, this sound guiding device can comprise the length control section, the length of its control sound guiding device.This length control section can a plurality of ductile gauffers.
In one aspect of the method, the electric wire that is connected to this loud speaker can extend through the inside of this sound guiding device.
In aspect another, this loudspeaker module can comprise second sound guiding device that is connected to this shell and in this chamber, guides sound at least.This terminal body can comprise that emission separates from first speaker hole of the positive sound that produces of loud speaker with first speaker hole, and is connected to launch second speaker hole of sound with one of sound guiding device.
In aspect another, this terminal body can comprise the procapsid in the front of exposing loud speaker, through connecting the back casing that projection is connected to this procapsid.And this shell can comprise that at least one through hole passes it to allow this connection projection.
According to principle of the present invention, a kind of mobile communication equipment is provided.This mobile communication equipment comprises: terminal body, this terminal body have the speaker hole that forms on its surface; Be arranged on the display module in this terminal body; With the loudspeaker module that adjacent this display module is provided with, this loudspeaker module comprises: be arranged on the shell in this terminal body, the chamber that this shell is formed for resonating and comprise the installing hole that forms in its surface; Loud speaker with front and back; This loud speaker is set in this shell; Make the front of said loud speaker expose via said installing hole; And its back side is placed in the chamber, with allow from first sound that the front of said loud speaker produces send through said speaker hole and from second sound at its back side in said chamber internal resonance; With the sound guiding device with length-specific and second sound of in this chamber, resonating of guiding that is connected to this shell, wherein, said sound guiding device is flexible, and has the end at said terminal body inner opening.
In one aspect of the method, sound guiding device can be connected to the chamber of this shell, and guiding is from the sound of the back side generation of loud speaker.This sound guiding device can be arranged between shell and the display module.This shell can have the structure corresponding to the upper part of terminal body.
From the detailed description that provides hereinafter, the application's the further scope of application will become more obvious.But; Should be understood that; Though represented the preferred embodiments of the present invention, explanation and particular example that these are detailed only provide with example description, because from this specifies; For those these those skilled in the art, various within the spirit and scope of the present invention variations and modification will become obvious.
Description of drawings
This accompanying drawing of following is included to provide further to be understood the present invention, and is incorporated into and constitutes the part of this specification, and it illustrates embodiments of the invention, and can work to explain the principle of the invention with this specification.In the accompanying drawings:
Fig. 1 is the cutaway view that illustrates according to the speaker portion of the mobile communication equipment of correlation technique;
Fig. 2 is the perspective view according to the mobile communication equipment of first example embodiment of the present invention;
Fig. 3 is that line III-III intercepting along Fig. 2 is at cutaway view;
Fig. 4 is the decomposition diagram of the mobile communication equipment in Fig. 2;
Fig. 5 is the decomposition diagram according to the mobile communication equipment of second example embodiment of the present invention;
Fig. 6 is the longitudinal sectional view according to the mobile communication equipment of the 3rd example embodiment of the present invention;
Fig. 7 is the longitudinal sectional view according to the mobile communication equipment of the 4th example embodiment of the present invention;
Fig. 8 is the longitudinal sectional view according to the mobile communication equipment of the 5th example embodiment of the present invention;
Fig. 9 is the longitudinal sectional view according to the mobile communication equipment of the 6th example embodiment of the present invention; With
Figure 10 is the cutaway view along the mobile communication equipment of the line X-X intercepting of Fig. 9.
Embodiment
Describe mobile communication equipment in detail referring now to accompanying drawing according to example embodiment of the present invention.
Fig. 2 is the perspective view according to the mobile communication equipment of first example embodiment of the present invention, Fig. 3 be along Fig. 2 center line III-III intercepting at cutaway view, Fig. 4 is the decomposition diagram of the mobile communication equipment among Fig. 2.
With reference to figure 2, mobile communication equipment 100 comprises the terminal body 110 that forms mobile communication equipment 100 profiles.This terminal body 110 comprises procapsid 110A and the back casing 110B that fits together.
The keypad 114 that comprises a plurality of input buttons is installed to be from the front of procapsid 110A and exposes, and at the upside of keypad 114 window 115 is provided, and watches from the screen picture of display module 113 outputs to allow the user.The microphone 116 that is used to import voice or other sound is provided at the lower end of procapsid 110A, and provides the battery 117 of power supply to be located on the back side of back casing 110B for mobile communication equipment 110.
Though this mobile communication equipment 100 has been shown as excellent type (bar type) mobile communication equipment, should be understood that the mobile communication equipment of other types also can be integrated this loudspeaker module 120, for example, sliding-type, folded form and combination thereof.
With reference to figure 3 and 4, speaker hole or installing hole 111 are formed on the front of procapsid 110A, and loudspeaker module 120 is tightly on the inboard attached to speaker hole 111.
This loudspeaker module 120 comprises and being fixed in the procapsid 110A, and wherein has the shell 122 in chamber (C).This loudspeaker module also comprises the loud speaker 121 that is installed in this shell, makes that the front side of loud speaker is exposed, and the rear side of loud speaker is placed on the inside of this chamber (C), make the sound (B) that produces from rear side can be in this chamber (C) internal resonance.
This shell 122 comprises that being formed on it positive go up and have the installing hole 124 corresponding to the front side size of loud speaker 121, and this loud speaker 121 is set in the shell 122, makes its front side expose via installing hole 124.
This shell 122 comprises the fore shell 122A that holds loud speaker 121 and goes up to form the back cover 122B in this chamber (C) attached to fore shell 122A.Should before can process so that formation easily with resin material with back cover 122A and 122B, and can fix through adhesive, perhaps melt mutually and combine with seal closure inner chamber (C).
This loud speaker 121 can comprise transducer (converter) (for example, the combination of magnet and coil) and oscillating plate, and it perhaps can pass through piezoelectric approach work (not shown) through the charge generation vibration.
Therefore, the sound (A) that produces from the front side of loud speaker 121 sends via speaker hole 111, and the sound (B) that produces from the rear side of loud speaker 121 in this chamber (C) internal resonance, so that the outside of bass to mobile communication equipment 100 to be provided.
With reference to figure 3 and 4, shell 122 has the corresponding width of width with the inside of terminal body 110, and therefore, the volume of the internal capacity of this chamber (C) is increased to be convenient to realize bass through echoing.
Connect projection 119 and be fixed, and on two ends of this shell 122, form through hole 123, pass from it to allow connection projection 119 through the screw on the inner surface of preceding and back casing 110A and 110B.Therefore, this shell 122 can make the performance improvement of loud speaker 121 and can not cause on the internal structure of design terminal main body 110 change too many.In other words, shell 122 goes for having the inside of the mobile communication equipment of many different structures, and the chamber (C) of enough sizes still is provided simultaneously.
This shell 122 can be formed by the shape with the upper part that meets terminal body 110.Especially, with on the inner surface of shell 122 attached to terminal body 110, simultaneously the size of enlarged cavity (C) is so that resonance effects through tightly, can make in the mobile communication equipment 100 obsolete space reduce to minimum.
This chamber (C) can have such size, and in the time of these loud speaker 121 work, it can change by supplementary pressure on the back side of loud speaker 121.As shown in Figure 3, the thickness (D) of this chamber (C) can be less than width (W), and width (W) is substantially corresponding to the horizontal width of mobile communication equipment 100, thereby, elongate the volume of this chamber (C).This layout can be strengthened bass performance by means of the volume that elongates, and realizes very thin mobile communication equipment 100 simultaneously and the parts occupation space that do not influence other is come.
Fig. 5 is the decomposition diagram according to the mobile communication equipment of second example embodiment of the present invention.With reference to figure 5, loudspeaker module 200 comprises sound guiding device 230 and 240, and each sound guiding device 230 and 240 has certain-length, and with chamber (C) intercommunication of shell 222.This sound guiding device 230 and 240 guiding are from the sound of the back side generation of loud speaker 221; And it is as shown in Figure 5; This sound is (C) internal resonance in the chamber; Be discharged into the inside of mobile communication equipment 200 via sound guiding device 230 and 240, be sent to the outside via procapsid 210A or back casing 210B then.By means of this structure, low-frequency band sound can be by output more galore.
The sound guiding device 230 and 240 that can have a plurality of unit, and they can be arranged to disconnected from each other.
As shown in Figure 5, the electric wire 250 that is connected with loud speaker 221 can be by wiring through perhaps running through the inside of this sound guiding device 230.Therefore, need not be used to connect other space of loud speaker 221, thereby be convenient to handle and assemble this loudspeaker module 200.
In Fig. 5, this sound guiding device 230 and 240 is arranged between shell 222 and the display module 213.Especially, this sound guiding device 230 and 240 is formed with such length, that is, make it be set in the space between shell 222 and the display module 213, and this shell can be narrow relatively to increase the area of display module 213 as far as possible.
Other parts and assembly are identical with in first example embodiment of the present invention those.(accordingly) parts or the assembly of equivalence are given identical or similar reference number, and will omit its detailed description.This also is the same for the 3rd to the 6th example embodiment of the present invention.
Fig. 6 is the longitudinal sectional view according to the mobile communication equipment of the embodiment of the 3rd demonstration of the present invention.As shown in Figure 6, shell 322 is connected with sound guiding device 330, and (C) extends to the inside of mobile communication equipment 300 to this sound guiding device from the chamber with certain-length (L).This sound guiding device 330 has the end of opening, with second sound (B) quilt guiding and the output in mobile communication equipment 300 that allows to produce from the rear side of loud speaker 321.
This sound guiding device 330 can insert through the opening 325 around this chamber (C) and assemble.This sound guiding device 330 can be arranged on the marginal portion of display module 313 and terminal body 310, so that do not influence the internal part of mobile communication equipment 300, such as, display module 313.
Therefore; A large amount of high pitch frequency bands of the sound that after the back side from loud speaker produces, sends disappear; The bass frequency band that has strong diffraction is simultaneously sent along the sound guiding device that air path is provided 330 with the opposite state of phase place; Therefore, the counteracting amount of bass can be reduced generally, and the bass of loudspeaker module 320 can be improved.
Table 1 illustrates according to structure of the present invention and improves the data that effect obtains through measuring the bass frequency band.In corresponding experiment, chamber (C) has the volume of 0.4cc, and this sound guiding device 330 has the length of about 1cm, and has the opening portion of about 0.06cm2.
[table 1]
| Tuned frequency (Hz) | 300 | 500 | 700 |
| The acoustic pressure (dB) that does not have sound guiding device | 34.7 | 47.2 | 54.8 |
| Acoustic pressure (dB) with sound guiding device | 38.8 | 53.0 | 59.7 |
According to table 1, relatively have the mobile communication equipment and the mobile communication equipment that does not have sound guiding device 330, the high respectively about 4.1dB of the sound pressure level on 300Hz, 500Hz and 700Hz, 5.8dB and 4.9dB of sound guiding device 330.This means through providing sound guiding device 330 to improve bass.
Fig. 7 is the longitudinal sectional view according to the mobile communication equipment of the 4th example embodiment of the present invention.
With reference to figure 7, shell 422 comprises with chamber (C) intercommunication and first and second openings of arranging apart from each other 425 and 426.First and second sound guiding devices 430 are connected with 426 with first and second openings 425 with 440 respectively.Second sound B and B ' quilt send via first and second sound guiding devices 430 and 440.In this case, first and second sound guiding devices 430 and 440 have opening portion (S), and it can be variable tuning with tolerance frequency.
It is flexible that this sound guiding device 430 is formed, and therefore, its remaining space that can be configured in the mobile communication equipment 400 is crooked.Especially, as shown in Figure 7, first sound guiding device 430 can comprise the sweep 432 that forms generation detour (detour), with the parts 433 of avoiding mobile communication equipment 400.Therefore,, still can be reduced in the restriction of the parts aspect in design and the placement mobile communication equipment 400, so that design variation and permission greater flexibility although require this sound guiding device to have certain-length.
Fig. 8 is the longitudinal sectional view according to the mobile communication equipment of the 5th example embodiment of the present invention.As shown in Figure 8, sound guiding device 530 comprises the length control section 532 with the length of controlling it (L).Because the length of this sound guiding device 530 can be realized fine tune by directly control.
To describe length control section 532 in detail now.This length control section 532 is included in the gauffer part 533 on the specific part of sound guiding device 530, but this gauffer part 533 has a plurality of gauffers that elasticity extends.Therefore, need not to cause variation, can make this gauffer part 533 folding or level and smooth whole length (L) with control sound guiding device 530 at the sectional area of sound guiding device 530.
Fig. 9 is the longitudinal sectional view according to the mobile communication equipment of the 6th example embodiment of the present invention, and Figure 10 is the longitudinal sectional view along the mobile communication equipment of Fig. 9 of line X-X intercepting.
With reference to figure 9, on the front of procapsid 610A, second speaker hole 612 that is formed with first speaker hole 611 and separates with first speaker hole 611.
With reference to Figure 10, first shell 622 with the loud speaker 623 that is installed in wherein is set at the inboard of first speaker hole 611, and second shell 650 of hollow is set at the inboard of second speaker hole 612.
As describe up to now, structure according to loudspeaker module of the present invention with the phase mutual interference between the sound that is reduced in the sound that produces from the front side of loud speaker and sends from its rear side, thereby improve middle pitch and bass performance.In addition, because shell has sound guiding device, can further strengthen the performance of bass.In addition, because shell can form with various shapes, can strengthen its installation features and SPACE APPLICATION in mobile communication equipment, so that mobile communication equipment is thinner.
Because the present invention can not break away from its spirit or basic characteristic is implemented with some forms; Should be appreciated that in addition; Unless otherwise mentioned, above-described embodiment does not receive the restriction of previous any details of describing, but should be in explanation broadly in its spirit that appended claim limits and the scope; Therefore, all drop in the boundary of claim or the variation in the equivalent scope and modification are all appended claim and comprise.
Claims (12)
1. mobile communication equipment comprises:
Terminal body, this terminal body have the speaker hole that forms on its surface; With
Be arranged on the loudspeaker module in this terminal body, this loudspeaker module comprises:
Be arranged on the shell in this terminal body, the chamber that this shell is formed for resonating and comprise in its surface the installing hole that forms;
Loud speaker with front and back; This loud speaker is set in this shell; Make said front expose via said installing hole; And the said back side is arranged in this chamber, with second sound that allows to send through said speaker hole and to produce from first sound that the front of said loud speaker produces from the said back side in said chamber internal resonance; With
Be connected to the sound guiding device with length-specific and second sound of in this chamber, resonating of guiding of this shell,
Wherein said sound guiding device has in the end of said terminal body inner opening, makes said second sound of in said chamber internal resonance leak into the inside of said terminal body.
2. according to the equipment of claim 1, wherein this sound guiding device has enough length, with the phasing back of permission from second sound of the back side generation of this loud speaker.
3. according to the equipment of claim 1, wherein this sound guiding device is flexible.
4. according to the equipment of claim 1, wherein this shell comprises opening, and this sound guiding device is inserted in this opening, so that be connected with said chamber.
5. according to the equipment of claim 1, wherein this sound guiding device comprises the length control section, the length of its this sound guiding device of control.
6. according to the equipment of claim 5, wherein this length control section comprises a plurality of ductile gauffers.
7. according to the equipment of claim 1, the electric wire that wherein is connected to this loud speaker extends through the inside of this sound guiding device.
8. according to the equipment of claim 1, wherein this loudspeaker module comprises second sound guiding device that is connected to second sound in this shell and the guidance cavity at least.
9. according to the equipment of claim 1; Wherein this terminal body comprise via the speaker hole that forms through it make procapsid that the front of this loud speaker exposes, through connecting the back casing that projection is connected to this procapsid, and this shell comprises that at least one through hole passes from it to allow this connection projection.
10. mobile communication equipment comprises:
Terminal body, this terminal body have the speaker hole that forms on its surface;
Be arranged on the display module in this terminal body; With
The loudspeaker module that adjacent this display module is provided with, this loudspeaker module comprises:
Be arranged on the shell in this terminal body, the chamber that this shell is formed for resonating and comprise in its surface the installing hole that forms;
Loud speaker with front and back; This loud speaker is set in this shell; Make the front of said loud speaker expose via said installing hole; And its back side is placed in the chamber, with allow from first sound that the front of said loud speaker produces send through said speaker hole and from second sound at its back side in said chamber internal resonance; With
Be connected to the sound guiding device with length-specific and second sound of in this chamber, resonating of guiding of this shell,
Wherein, said sound guiding device is flexible, and has the end at said terminal body inner opening.
11. according to the equipment of claim 10, wherein this sound guiding device is arranged between this shell and the display module.
12. according to the equipment of claim 10, wherein this shell has the structure corresponding with the upper part of this terminal body.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060104232A KR100897794B1 (en) | 2006-10-25 | 2006-10-25 | Speaker unit and mobile terminal having it |
| KR10-2006-0104232 | 2006-10-25 | ||
| KR1020060104232 | 2006-10-25 | ||
| KR1020060132799A KR101517079B1 (en) | 2006-12-22 | 2006-12-22 | Mobile communication terminal |
| KR1020060132799 | 2006-12-22 | ||
| KR10-2006-0132799 | 2006-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101170311A CN101170311A (en) | 2008-04-30 |
| CN101170311B true CN101170311B (en) | 2012-02-22 |
Family
ID=39390802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101050972A Expired - Fee Related CN101170311B (en) | 2006-10-25 | 2007-05-22 | Mobile communication device |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100897794B1 (en) |
| CN (1) | CN101170311B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611771A (en) * | 2012-02-28 | 2012-07-25 | 广东步步高电子工业有限公司 | Mobile phone receiver and designing method thereof |
| WO2013166798A1 (en) * | 2012-05-11 | 2013-11-14 | 广东欧珀移动通信有限公司 | Thinned sound chamber device |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100328869A1 (en) * | 2009-06-25 | 2010-12-30 | Tpo Displays Corp. | Portable electronic device |
| US8675903B2 (en) * | 2010-11-29 | 2014-03-18 | Motorola Solutions, Inc. | Acoustic porting for a portable communication device |
| JP5084945B2 (en) * | 2011-01-07 | 2012-11-28 | シャープ株式会社 | Display device |
| US9232030B2 (en) | 2012-09-11 | 2016-01-05 | Matthew Freshman | Amplifying cover for a portable audio device |
| KR102169278B1 (en) | 2014-02-07 | 2020-10-23 | 엘지전자 주식회사 | Electronic device |
| CN105227719B (en) * | 2015-10-14 | 2018-04-03 | 广东欧珀移动通信有限公司 | A kind of mobile terminal |
| US9668081B1 (en) * | 2016-03-23 | 2017-05-30 | Htc Corporation | Frequency response compensation method, electronic device, and computer readable medium using the same |
| CN107454513A (en) * | 2016-06-01 | 2017-12-08 | 宏碁股份有限公司 | The loudspeaker arrangement and electronic installation strengthened with gamut and bass |
| CN110300359B (en) * | 2018-03-22 | 2021-11-09 | Oppo广东移动通信有限公司 | Box sound cavity fixed knot constructs, box sound cavity and mobile terminal |
| CN110300356B (en) * | 2018-03-22 | 2021-10-01 | Oppo广东移动通信有限公司 | Electroacoustic conversion device mounting structure and mobile terminal |
| KR20210101701A (en) | 2020-02-10 | 2021-08-19 | 삼성전자주식회사 | Portable terminal having speaker and acoustic output path for speaker |
| CN112261543A (en) * | 2020-10-23 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Electronic equipment and speaker module thereof |
| CN114430434A (en) * | 2020-10-29 | 2022-05-03 | 青岛海信移动通信技术股份有限公司 | Sound cavity loudspeaker and mobile terminal |
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| JP2001258085A (en) * | 2000-03-09 | 2001-09-21 | Kenwood Corp | Loudspeaker mounting structure |
| CN1476177A (en) * | 2002-07-29 | 2004-02-18 | ���ǵ�����ʽ���� | Receiver |
| CN1627773A (en) * | 2003-12-10 | 2005-06-15 | Lg电子株式会社 | Apparatus for providing sound in a mobile communication terminal |
| CN1946245A (en) * | 2005-10-06 | 2007-04-11 | 三星电子株式会社 | Speaker device for portable terminal |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102611771A (en) * | 2012-02-28 | 2012-07-25 | 广东步步高电子工业有限公司 | Mobile phone receiver and designing method thereof |
| CN102611771B (en) * | 2012-02-28 | 2016-03-23 | 广东步步高电子工业有限公司 | Cell-phone receiver and method for designing thereof |
| WO2013166798A1 (en) * | 2012-05-11 | 2013-11-14 | 广东欧珀移动通信有限公司 | Thinned sound chamber device |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100897794B1 (en) | 2009-05-15 |
| KR20080037320A (en) | 2008-04-30 |
| CN101170311A (en) | 2008-04-30 |
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