CN102480538A - Mobile terminal with microphone - Google Patents
Mobile terminal with microphone Download PDFInfo
- Publication number
- CN102480538A CN102480538A CN201010571513XA CN201010571513A CN102480538A CN 102480538 A CN102480538 A CN 102480538A CN 201010571513X A CN201010571513X A CN 201010571513XA CN 201010571513 A CN201010571513 A CN 201010571513A CN 102480538 A CN102480538 A CN 102480538A
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- microphone
- portable terminal
- circuit board
- terminal according
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Abstract
The invention provides a mobile terminal with a microphone. The mobile terminal comprises a shell and a circuit board which is arranged in the shell, wherein the shell is provided with a sound inlet passage; the shell is provided with an extension part on the inner side corresponding to the sound inlet passage; an electret microphone is placed in an accommodating cavity formed by the extension part; and a sound receiving face of the microphone faces the sound inlet passage and the microphone is fixed on the circuit board through an electrical connection part at the other end. Due to the design of the mobile terminal, the consistency of audio frequency of the microphone can be guaranteed, and the audio frequency performance can be improved.
Description
Technical field
The invention belongs to the microphone techniques field, relate in particular to a kind of portable terminal with microphone.
Background technology
Microphone; Be called microphone, microphone, microphone etc. again; Be the power conversion device that voice signal is converted into the signal of telecommunication, by developing into inductance, condenser type conversion through resistance conversion acoustic-electric mode at first, a large amount of new microphone techniques grow up microphone gradually.Electret microphone is a kind of of Electret Condencer Microphone; Because its production technology is simple, cost is low, be suitable for producing in enormous quantities, volume is less simultaneously; More convenient during use; Be widely used in multiple occasion, such as general meeting occasion, in the portable electric appts such as voice communication system such as phone, video camera, language repeater and mobile phone.
For electret microphone,, need to consider that it advances the design of sound passage for obtaining better acoustical quality.With reference to the portable terminal partial structurtes cutaway view that has microphone in the prior art among Fig. 1; Electret microphone 1 is fixed on the circuit board 2, and microphone 1 and circuit board 2 to be arranged on housing 3 formed containing cavities inner, advance sound passage 4 and be elbow structure; One end leads to the outside of housing 3; The other end receives the words face towards microphone 1, advances the cavity that the sound passage talked about face over against microphone 1 and also can be described as the sound chamber, and the gum cover 5 that is with silica gel material on the shell of microphone 1 seals receive the words face and the composition surface of advancing sound passage 4 of microphone 1; Form leading note passage 51; Then sound can get into into sound passage 4 and conduct to leading note passage 51 from hull outside, so reach microphone 1 receive the words face, microphone 1 can be accomplished picking up of sound.
The inventor of this patent to have study in the technology with practice process in find: in the such scheme; In the use of portable terminal; When the gum cover that is used to seal receives from the extruding of its upper shell, be prone to produce distortion, and make microphone become beaer; And then cause the microphone audio consistency of performance relatively poor, and housing is prone to problems such as not clear noise when being squeezed.In addition, also will cause microphone to damage for a long time in the past, be difficult to guarantee the stability in use of microphone.
Summary of the invention
For one of addressing the above problem, the invention provides a kind of portable terminal with microphone, can improve the consistency and the stability of microphone audio performance, and microphone advances the reliability of sound passage.
The present invention realizes through following technical scheme:
A kind of portable terminal with microphone; This portable terminal comprises housing and the circuit board that is arranged on enclosure interior; Said housing is provided with into sound passage, and the inboard that said housing correspondence is advanced the sound passage is provided with extension, places electret microphone in the formed containing cavity of said extension; Said microphone receive the words face towards advancing the sound passage, and be fixed on the said circuit board through the electrical connection section of the other end.
It is thus clear that, through the inboard of advancing the sound passage at housing extension is set, electret microphone is placed in the formed containing cavity of said extension; And be fixed on the circuit board through the electrical connection section of the microphone other end, therefore the stressed circuit board that directly acts on of housing can avoid microphone directly stressed from housing; Therefore when housing receives external force, microphone can be directly do not pushed, therefore microphone can be protected; And; Rigid housing is not yielding, therefore can guarantee the consistency of microphone audio, improves audio performance.And because the rigidity and the toughness of circuit board are bigger usually, and have enough supports around the circuit board, so the power of circuit board that housing acts on can not cause damage to circuit board.
Description of drawings
Fig. 1 is the portable terminal partial structurtes cutaway view that has microphone in the prior art;
Fig. 2 is the portable terminal partial structurtes cutaway view that has microphone in the embodiment of the invention.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the present invention is solved, below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The portable terminal that the embodiment of the invention provided with microphone; Comprise housing and the circuit board that is arranged on enclosure interior; Said housing is provided with into sound passage, and the inboard that said housing correspondence is advanced the sound passage is provided with extension, places electret microphone in the formed containing cavity of said extension; Said microphone receive the words face towards advancing the sound passage, and be fixed on the said circuit board through the electrical connection section of the other end.
With reference to the portable terminal partial structurtes cutaway view that has microphone in the embodiment of the invention shown in Figure 2; Said portable terminal comprises: electret microphone 1, circuit board 2 and housing 3; Circuit board 2 is arranged on housing 3 formed cavity insides; Housing 3 is provided with into sound passage 4, and the inboard that housing 3 correspondences are advanced sound passage 4 is provided with extension 31, places electret microphone 1 in the formed containing cavity 311 of extension; Microphone 1 receive the words face towards advancing sound passage 4, and be fixed on the circuit board 2 through the electrical connection section of the other end.Like this, the microphone 1 of external voice through advancing the transmission of sound passage, be delivered to be arranged in extension 31 formed containing cavities 311 receive the words face, and then accomplish picking up of sound by microphone 1.
Can find out,, microphone 1 is placed in the extension 31 formed containing cavities 311 through extension 31 being set in the pairing inboard of advancing sound passage 4 of housing 3; And be fixed on the circuit board 2 through the electrical connection section of microphone 1 other end, therefore the stressed circuit board 2 that directly acts on of housing 3 can avoid microphone 1 directly stressed from housing 3; Therefore when housing 3 receives external force, microphone 1 can be directly do not pushed, therefore microphone 1 can be protected; And; Rigid housing 3 is not yielding, therefore can guarantee the consistency of microphone 1 audio frequency, improves audio performance.And because the rigidity and the toughness of circuit board 2 is bigger usually, and has enough supports around the circuit board, so the power that 3 of housings act on circuit board 2 can not damage circuit board.
In practical implementation, in order to strengthen sealing effectiveness, improve the audio frequency effect of microphone, can be at the gap packing matcrial between extension 31 and the circuit board 2.With reference to Fig. 2, foam 6 is filled in the gap between extension 31 and circuit board 2.
In practical implementation, consider the audio frequency effect of microphone, be convenient to factors such as installation, the spacing between the inwall of extension 31 formed containing cavities 311 and the shell of microphone 1 remains on 2mm-3mm.
And the cross section of extension 31 formed containing cavities 311 can be rectangle, the oval perhaps shape of circle.
In practical implementation, microphone 1 receive the words face towards advance sound passage 4 and can be the straight way type, directly lead to the outside, terminal.
And be the audio frequency effect that further strengthens microphone; Avoid dust directly to drop on the receiving the words face of microphone and block into sound, can with microphone 1 receive the words face towards the sound passage 4 that advances be designed to curved road type, with reference to Fig. 2; Advance sound passage 4 and comprise that first passage 41 reaches and its second channel that at right angles is connected 42; Wherein, the other end of first passage 41 receives the words face over against microphone 1, the other end directintermination outside of second channel 42.Wherein, microphone 1 receive the words face over against first passage 1 also can be called the sound chamber.
For curved road type advance sound passage 4, can be through the shape of passage is done further to improve, with further raising audio frequency effect.With reference to profile shown in Figure 2, the longitudinal section of first passage 41 is designed to rectangle; The longitudinal section of second channel 42 is designed to advancing the diminishing taper of sound channel interior.The longitudinal section of second channel 42 is designed to can gather sound preferably to advancing the diminishing taper of sound channel interior.
In concrete the application, according to cost and designing requirement, microphone can be selected the plug connector type; Also can select SMT (Surfaced Mounting Technology; Surface mounting technology) patch type, corresponding, the electrical connection section of microphone can be called Plug Division or paster portion.When adopting the portion of inserting to be connected with circuit board, can inserting terminal be inserted in the jack of the correspondence on the circuit board, and connect with scolding tin, as required, inserting terminal can bend to fit into the position at sound passage place.When adopting paster portion to be connected, can directly adopt the SMT paster technique that microphone is fixed on the circuit board with circuit board.
With reference to Fig. 2, in practical implementation, be to strengthen the robustness of mobile terminal shell 3, and the inner circuit board 2 of stationary housing 3, can be on housing 3 inwalls the exterior lateral area of circuit board 2 and extension 31 fixedly reinforcement 7 is set.
In practical implementation; Consider arranging and the appearance design requirement of mobile terminal shell of components and parts on the circuit board; Advance sound passage 4 and lead to the front panel that the outside open side of portable terminal can be arranged on housing, also can be arranged on the rear board or sidewall of housing.
It will be understood by those skilled in the art that; Portable terminal described in the embodiment of the invention can be mobile phone; Also can be PDA (Personal Digital Assistant; Personal digital assistant), MP3 (MovingPicture Experts Group Audio Layer III, dynamic image expert compression standard audio frequency aspect 3) audio player or other the portable class of electronic devices that can install microphone.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. portable terminal with microphone; It is characterized in that comprise housing and the circuit board that is arranged on enclosure interior, said housing is provided with into sound passage; The inboard that said housing correspondence is advanced the sound passage is provided with extension; Place electret microphone in the formed containing cavity of said extension, said microphone receive the words face towards advancing the sound passage, and be fixed on the said circuit board through the electrical connection section of the other end.
2. portable terminal according to claim 1 is characterized in that the gap between said extension and the circuit board is filled with encapsulant.
3. portable terminal according to claim 2 is characterized in that said encapsulant is specially foam.
4. portable terminal according to claim 1 is characterized in that, the spacing between the inwall of the formed containing cavity of said extension and the shell of said microphone is 2mm-3mm.
5. portable terminal according to claim 1 is characterized in that, the formed containing cavity cross section of said extension is a rectangle, oval or circular.
6. portable terminal according to claim 1 is characterized in that, said microphone receive the words face towards the sound passage that advances be the straight way type, directly lead to the terminal outside.
7. portable terminal according to claim 1; It is characterized in that; Said microphone receive the words face towards the sound passage that advances be curved road type; Comprise that first passage reaches and its second channel that at right angles is connected, the other end of said first passage receives the words face over against microphone, the other end directintermination outside of second channel.
8. portable terminal according to claim 7 is characterized in that, the longitudinal section of said first passage is a rectangle; The longitudinal section of said second channel is to advancing the diminishing taper of sound channel interior.
9. portable terminal according to claim 1 is characterized in that, the electrical connection section of said microphone is specially Plug Division or paster portion.
10. portable terminal according to claim 1 is characterized in that, is provided with fixedly reinforcement at the above circuit board of said inner walls and extension exterior lateral area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010571513XA CN102480538A (en) | 2010-11-30 | 2010-11-30 | Mobile terminal with microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010571513XA CN102480538A (en) | 2010-11-30 | 2010-11-30 | Mobile terminal with microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102480538A true CN102480538A (en) | 2012-05-30 |
Family
ID=46093013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010571513XA Pending CN102480538A (en) | 2010-11-30 | 2010-11-30 | Mobile terminal with microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102480538A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2521448A (en) * | 2013-12-20 | 2015-06-24 | Nokia Corp | An apparatus and method for providing an apparatus comprising a covering portion for an electronic device |
| WO2016179896A1 (en) * | 2015-05-08 | 2016-11-17 | 中兴通讯股份有限公司 | Seal structure of microphone and electronic device |
| CN106602676A (en) * | 2017-02-21 | 2017-04-26 | 广东小天才科技有限公司 | Portable power supply device having sound-absorbing function |
| CN107172535A (en) * | 2017-06-29 | 2017-09-15 | 努比亚技术有限公司 | A kind of sealing device |
| CN107547997A (en) * | 2017-10-13 | 2018-01-05 | 广东欧珀移动通信有限公司 | Circuit board assemblies and electronic equipment |
| CN107635032A (en) * | 2017-09-26 | 2018-01-26 | 广东欧珀移动通信有限公司 | Housing and electronic equipment |
| CN110166903A (en) * | 2019-05-15 | 2019-08-23 | 维沃移动通信有限公司 | Terminal device |
| CN110290655A (en) * | 2019-05-30 | 2019-09-27 | 无锡睿勤科技有限公司 | A kind of mobile terminal |
| WO2021004394A1 (en) * | 2019-07-08 | 2021-01-14 | 维沃移动通信有限公司 | Terminal device |
| WO2022199487A1 (en) * | 2021-03-24 | 2022-09-29 | 华为技术有限公司 | Sound pickup structure for microphone and electronic terminal device |
| WO2023273963A1 (en) * | 2021-06-29 | 2023-01-05 | 影石创新科技股份有限公司 | Microphone assembly and camera |
Citations (4)
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| CN101014205A (en) * | 2005-12-02 | 2007-08-08 | 美商富迪科技股份有限公司 | Electronic device |
| CN200976624Y (en) * | 2006-10-20 | 2007-11-14 | 比亚迪精密制造有限公司 | Mobile telephone microphone tone cavity device and mobile phone having the same |
| CN101370042A (en) * | 2008-09-08 | 2009-02-18 | Tcl天一移动通信（深圳）有限公司 | Mobile phone with bottom leading-note microphone structure |
| CN201577176U (en) * | 2009-12-25 | 2010-09-08 | 西安科技大学 | Cellphone microphone with sealing device |
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2010
- 2010-11-30 CN CN201010571513XA patent/CN102480538A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101014205A (en) * | 2005-12-02 | 2007-08-08 | 美商富迪科技股份有限公司 | Electronic device |
| CN200976624Y (en) * | 2006-10-20 | 2007-11-14 | 比亚迪精密制造有限公司 | Mobile telephone microphone tone cavity device and mobile phone having the same |
| CN101370042A (en) * | 2008-09-08 | 2009-02-18 | Tcl天一移动通信（深圳）有限公司 | Mobile phone with bottom leading-note microphone structure |
| CN201577176U (en) * | 2009-12-25 | 2010-09-08 | 西安科技大学 | Cellphone microphone with sealing device |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10334341B2 (en) | 2013-12-20 | 2019-06-25 | Nokia Technologies Oy | Apparatus and method for providing an apparatus comprising a covering portion for an electronic device |
| GB2521448A (en) * | 2013-12-20 | 2015-06-24 | Nokia Corp | An apparatus and method for providing an apparatus comprising a covering portion for an electronic device |
| GB2521448B (en) * | 2013-12-20 | 2021-07-21 | Nokia Technologies Oy | An apparatus and method for providing an apparatus comprising a covering portion for an electronic device |
| WO2016179896A1 (en) * | 2015-05-08 | 2016-11-17 | 中兴通讯股份有限公司 | Seal structure of microphone and electronic device |
| CN106602676A (en) * | 2017-02-21 | 2017-04-26 | 广东小天才科技有限公司 | Portable power supply device having sound-absorbing function |
| CN107172535A (en) * | 2017-06-29 | 2017-09-15 | 努比亚技术有限公司 | A kind of sealing device |
| CN107635032A (en) * | 2017-09-26 | 2018-01-26 | 广东欧珀移动通信有限公司 | Housing and electronic equipment |
| CN107547997B (en) * | 2017-10-13 | 2020-06-02 | Oppo广东移动通信有限公司 | Circuit board assembly and electronic equipment |
| CN107547997A (en) * | 2017-10-13 | 2018-01-05 | 广东欧珀移动通信有限公司 | Circuit board assemblies and electronic equipment |
| CN110166903A (en) * | 2019-05-15 | 2019-08-23 | 维沃移动通信有限公司 | Terminal device |
| CN110290655A (en) * | 2019-05-30 | 2019-09-27 | 无锡睿勤科技有限公司 | A kind of mobile terminal |
| WO2021004394A1 (en) * | 2019-07-08 | 2021-01-14 | 维沃移动通信有限公司 | Terminal device |
| US11706550B2 (en) | 2019-07-08 | 2023-07-18 | Vivo Mobile Communication Co., Ltd | Terminal device |
| WO2022199487A1 (en) * | 2021-03-24 | 2022-09-29 | 华为技术有限公司 | Sound pickup structure for microphone and electronic terminal device |
| WO2023273963A1 (en) * | 2021-06-29 | 2023-01-05 | 影石创新科技股份有限公司 | Microphone assembly and camera |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120530 |