CN101014205A - Electronic device - Google Patents
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- Publication number
- CN101014205A CN101014205A CN 200610169350 CN200610169350A CN101014205A CN 101014205 A CN101014205 A CN 101014205A CN 200610169350 CN200610169350 CN 200610169350 CN 200610169350 A CN200610169350 A CN 200610169350A CN 101014205 A CN101014205 A CN 101014205A
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- China
- Prior art keywords
- microphone
- electronic installation
- shell
- guide tube
- sound guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009434 installation Methods 0.000 claims description 49
- 238000009413 insulation Methods 0.000 claims description 5
- 208000002925 dental caries Diseases 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 8
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000013598 vector Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000011469 building brick Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
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- Telephone Set Structure (AREA)
Abstract
An electronic device includes a housing, a plurality of microphones, and a plurality of guide tubes. The plurality of microphones are disposed in the housing. The plurality of guide tubes extend from the housing toward the plurality of microphones, whereby the plurality of microphones in the housing receives external sound via the guide tubes.
Description
Technical field
The present invention relates to a kind of electronic installation, it is installed microphone array (Microphone Array) in the enclosure and utilizes sound guide tube to receive external sound.
Background technology
Microphone array is made of most microphones arranged side by side.Fig. 1 shows the simple case of of microphone array, and microphone array 10 comprises two microphones that are set up in parallel 11,12, and these two microphones, 11,12 received signals after treatment, can determine the directive property (Directivity) of microphone array 10.Suppose that these two microphones 11,12 all are omni-directional (Omni-Directional) microphone and have identical characteristic, then the directive property of microphone array 10 is the vectors that are made of to another microphone 12 microphone 11 wherein
Decide.
Above example is construction one microphone array in open space, on practice, there is no difficulty, yet most electronic installation (as mobile phone, personal digital assistant etc.) all has plastics or metal shell, these shells have the effect of isolated sound, make the microphone that is provided with in the enclosure be difficult for receiving external sound.In addition, most electronic building brick (comprising microphone) all is that (Surface Mount Technology SMT) is installed on the printed circuit board (PCB) (PCB), will limit the directive property of microphone array with surface mount technology.Now explain with example shown in Figure 2, at first, microphone 11 ', 12 ' is arranged in the shell 20, because shell 20 has isolated effect, will be unfavorable for that microphone 11 ', 12 ' receives external sound.Secondly, between the microphone 11 ', 12 ' apart from d1 because be subjected to the restriction of printed circuit board (PCB) 21 and shell 20 inner spaces, usually can be less than the required length d of reality (d1＜d), moreover the direction of microphone array is (with vector
Represent) must be parallel with printed circuit board (PCB) 21, and electronic installations such as mobile phone, personal digital assistant are in use, vector
Usually not to point to source of sound, therefore microphone array be installed in the electronic installation that its suitable degree of difficulty is arranged.
Summary of the invention
The object of the present invention is to provide a kind of electronic installation, its microphone setting does not but have the problems referred to above in the enclosure.
Electronic installation of the present invention comprises a shell, most microphones and most sound guide tubes.Wherein the microphone setting in the enclosure, sound guide tube is extended towards microphone by shell, makes microphone can utilize sound guide tube to receive external sound.
Electronic installation of the present invention can more comprise most cavitys, be provided with in the enclosure and sound insulation to each other, and microphone is to be arranged in the cavity in mode one to one.
Above-mentioned shell can comprise most perforates, and sound guide tube is to extend to cavity from perforate.Perforate can be arranged at end face, bottom surface or the side of shell.
Distance between the above-mentioned perforate can be greater than the distance between the microphone.
Above-mentioned microphone comprises directional microphone, omni-directional microphone or its combination.
The length of above-mentioned sound guide tube can equate.
The length of above-mentioned sound guide tube can be unequal.
Electronic installation of the present invention can be a mobile phone, a recorder or a personal digital assistant etc.
Electronic installation of the present invention can more comprise a circuit board, and above-mentioned microphone can be arranged on the same one side of circuit board, perhaps is arranged on opposite two.
Above-mentioned microphone can be set up in parallel.
Above-mentioned microphone can back-to-backly be provided with, and is in alignment with each other or does not line up.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly also cooperates appended graphic elaborating.
Description of drawings
Fig. 1 is the schematic diagram of a microphone array;
Fig. 2 is the interior schematic diagram of shell that a microphone array is arranged at electronic installation;
Fig. 3 is a wherein embodiment schematic diagram of electronic installation of the present invention;
Fig. 4 is another embodiment schematic diagram of electronic installation of the present invention;
Fig. 5 is an embodiment schematic diagram again of electronic installation of the present invention;
Fig. 6 is the another embodiment schematic diagram of electronic installation of the present invention;
Fig. 7 A is the another embodiment schematic diagram of electronic installation of the present invention;
Fig. 7 B is arranged at schematic diagram in the cavity of electronic installation for the microphone array of Fig. 7 A;
Fig. 8 is the another embodiment of electronic installation of the present invention.
The main element symbol description:
10～microphone array, 11～microphone
11 '～microphone, 12～microphone
12 '～microphone
20～shell, 21～printed circuit board (PCB)
30～shell, 31～printed circuit board (PCB)
32～cavity, 33～cavity
34～microphone array, 35～microphone
36～microphone, 37～sound guide tube
37 '～sound guide tube, 38～sound guide tube
301～the perforate of 38 '～sound guide tube
302～perforate
40～shell, 41～printed circuit board (PCB)
42～cavity, 43～cavity
44～microphone array, 45～microphone
46～microphone, 47～sound guide tube
401～the perforate of 48～sound guide tube
402～perforate
50～shell, 51～printed circuit board (PCB)
52～cavity, 53～cavity
54～microphone array, 55～microphone
56～microphone, 57～sound guide tube
501～the perforate of 58～sound guide tube
502～perforate
60～shell, 62～cavity
63～perforate, 64～microphone array
65～microphone, 66～microphone
601～the perforate of 67～sound guide tube
70～shell, 74～microphone array
75～microphone, 76～microphone
77～passage
D～vectorial d
1～distance
d
2～distance
Embodiment
Fig. 3 is a wherein embodiment of electronic installation of the present invention, and this electronic installation comprises a shell 30, a printed circuit board (PCB) (PCB) 31, most microphones 35,36, cavity 32,33 and sound guide tubes 37,38.All elements 31,35,36,32,33,37,38 all are arranged in the shell 30.
In the present embodiment, microphone 35,36 is an omni-directional microphone, and be arranged in the cavity 32,33 in mode one to one, sound guide tube 37 and 38 equal in length, and extend to perforate 301,302 on the shell 30 from cavity 32,33 respectively, make microphone 35,36 to receive external sound via sound guide tube 37,38. Cavity 32,33 has the effect of sound insulation, can prevent that sound from transmitting each other.
Microphone the 35, the 36th is installed in mode arranged side by side on the same one side of printed circuit board (PCB) 31, wherein microphone 35 and 36 constitutes a microphone array (Microphone Array) 34, the directive property of this microphone array 34 will be decided by perforate 301,302, but not itself be decided by microphone 35,36.The benefit of this kind configuration mode is not to be subjected to the restriction of the confined space on the printed circuit board (PCB) 31 apart from d2 between the perforate 301,302, can help the directive property of construction microphone array 34 greater than the distance between the microphone 35,36.In addition in the present embodiment, perforate 301,302 is arranged at the end face of shell 30.
In the present embodiment, sound guide tube 37 and 38 equal in length are so the time that sound is walked therein also can be identical.Yet if be subjected to the restriction of printed circuit Board position and shell shape, the length of sound guide tube also may be inequality.See also Fig. 4, Fig. 4 shows another embodiment of the present invention, wherein gives identical label with Fig. 3 components identical, and as can be seen from Figure, sound guide tube 37 ' and 38 ' length are unequal.
Fig. 5 shows an embodiment again of electronic installation of the present invention, and this electronic installation comprises a shell 40, a printed circuit board (PCB) (PCB) 41, most microphones 45,46, cavity 42,43 and sound guide tubes 47,48.All elements 41,42,43,45,46,47,48 all are arranged in the shell 40.
In the present embodiment, microphone 45,46 is an omni-directional microphone, and be arranged in the cavity 42,43 in mode one to one, sound guide tube 47 and 48 equal in length, and extend to perforate 401,402 on the shell 40 from cavity 42,43 respectively, make microphone 45,46 to receive external sound via sound guide tube 47,48. Cavity 42,43 has the effect of sound insulation, can prevent that sound from transmitting each other.
Microphone the 45, the 46th is installed in back-to-back mode on opposite two of printed circuit board (PCB) 31, wherein microphone 45 and 46 constitutes a microphone array (Microphone Array) 44, the directive property of this microphone array 44 will be decided by perforate 401,402, but not itself be decided by microphone 45,46.In addition in the present embodiment, perforate 401,402 is arranged at the bottom surface of shell 40.
Fig. 6 shows the another embodiment of electronic installation of the present invention, and this electronic installation comprises a shell 50, a printed circuit board (PCB) (PCB) 51, most microphones 55,56, cavity 52,53 and sound guide tubes 57,58.All elements 51,52,53,55,56,57,58 all are arranged in the shell 50.
In the present embodiment, microphone 55,56 is an omni-directional microphone, and be arranged in the cavity 52,53 in mode one to one, sound guide tube 57 and 58 extends to perforate 501,502 on shell 50 bottoms from cavity 52,53 respectively, makes microphone 55,56 to receive external sound via sound guide tube 57,58. Cavity 52,53 has the effect of sound insulation, can prevent that sound from transmitting each other.
In the present embodiment, cavity 52,53 is different to the distance of shell 50 bottoms, so the length of sound guide tube 57 and 58 (extending to perforate 501,502 on shell 50 bottoms from cavity 52,53 respectively) also can be different.
Microphone the 55, the 56th is installed in back-to-back mode on opposite two of printed circuit board (PCB) 51, and do not line up each other, wherein microphone 55 and 56 constitutes a microphone array (MicrophoneArray) 54, the directive property of this microphone array 54 will be decided by perforate 501,502, but not itself be decided by microphone 55,56.
Fig. 7 A and Fig. 7 B show the another embodiment of electronic installation of the present invention, and this electronic installation comprises a shell 60, most microphones 65,66, a cavity 62, a perforate 63 and sound guide tubes 67.All elements 62,63,65,66,67 all are arranged in the shell 60.Perforate has two, an end that is positioned at sound guide tube 67, and another 63 is in the front of microphone and in the face of the front of electronic installation.
In the present embodiment, microphone 65,66 is an omni-directional microphone, is arranged in the cavity 62 and constitutes a microphone array 64.Sound guide tube 67 extends to perforate 601 on shell 60 back sides from cavity 62, makes microphone 65,66 to receive external sound via sound guide tube 67.
In the present embodiment, cavity 62 and microphone wherein the 65, the 66th are provided with in the inclination mode, and and shell 60 back sides between be an angle.
Fig. 8 shows the another embodiment of electronic installation of the present invention, and wherein, microphone array 74 (being made up of 75,76 of microphones) is arranged in the shell 70 of electronic installation, and external sound is conveyed to microphone 75,76 via channel 77.
Microphone array of the present invention is to utilize sound guide tube to receive external sound, so even microphone array is coated by shell, also can not influence its radio reception quality.The directive property of microphone array is to be decided by perforate in addition, but not is decided by microphone itself, and is more flexible in the feasible design, can satisfy actual demand easily.Can recognize that the present invention can be applied on the various electronic installations, as mobile phone, recorder, personal digital assistant etc.
In the above-described embodiments, microphone array is made up of omni-directional microphone fully, yet can recognize that microphone array can be selected the group that is made up of directive property (Uni-Directional) microphone, omni-directional (Omni-Directional) microphone and combination (Combination) thereof from (selected from).
Can recognize that perforate can be arranged at end face, bottom surface or the side of shell.
Though disclosed the present invention in conjunction with above preferred embodiment; yet it is not in order to limit the present invention; have in any its affiliated technical field and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when changing arbitrarily and retouching, so protection scope of the present invention should be with being as the criterion that claim was defined.
Claims (16)
1. electronic installation comprises:
One shell;
A most microphone are arranged in this shell;
A most sound guide tube are extended towards this each microphone by this shell.
2. electronic installation as claimed in claim 1, it more comprises most cavitys, is arranged in this shell and sound insulation to each other, this each microphone is to be arranged in this each cavity in mode one to one.
3. electronic installation as claimed in claim 2, wherein this shell comprises most perforates, and this each sound guide tube extends to this each cavity from this each perforate.
4. electronic installation as claimed in claim 3, wherein, the distance between this each perforate is greater than the distance between this each microphone.
5. electronic installation as claimed in claim 1, wherein, this each microphone comprises directional microphone, omni-directional microphone or its combination.
6. electronic installation as claimed in claim 1, wherein, the equal in length of this each sound guide tube.
7. electronic installation as claimed in claim 1, wherein, the length of this each sound guide tube is unequal.
8. electronic installation as claimed in claim 1, wherein, this electronic installation is a mobile phone.
9. electronic installation as claimed in claim 1, wherein, this electronic installation is a recorder.
10. electronic installation as claimed in claim 1, wherein, this electronic installation is a personal digital assistant.
11. electronic installation as claimed in claim 1, it more comprises a circuit board, and this each microphone is arranged on the same one side of this circuit board.
12. electronic installation as claimed in claim 11, wherein this each microphone is to be provided with in mode arranged side by side.
13. electronic installation as claimed in claim 1, it also comprises a circuit board, and this each microphone is arranged on the opposite sides of this circuit board.
14. electronic installation as claimed in claim 13, wherein this each microphone is to be provided with in back-to-back mode.
15. electronic installation as claimed in claim 14, wherein this each microphone is in alignment with each other.
16. electronic installation as claimed in claim 14, wherein this each microphone does not line up each other.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US74203305P | 2005-12-02 | 2005-12-02 | |
| US60/742,033 | 2005-12-02 | ||
| US60/748,276 | 2005-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101014205A true CN101014205A (en) | 2007-08-08 |
Family
ID=38701436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200610169350 Pending CN101014205A (en) | 2005-12-02 | 2006-12-01 | Electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101014205A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480538A (en) * | 2010-11-30 | 2012-05-30 | 比亚迪股份有限公司 | Mobile terminal with microphone |
| CN103856857A (en) * | 2012-12-06 | 2014-06-11 | 美商富迪科技股份有限公司 | Electronic device |
| CN104185100A (en) * | 2013-05-23 | 2014-12-03 | 美商富迪科技股份有限公司 | Microphone array housing and electronic device utilizing micro-array microphone |
| CN104429049A (en) * | 2012-07-18 | 2015-03-18 | 华为技术有限公司 | Portable electronic device with directional microphones for stereo recording |
| CN105636831A (en) * | 2013-10-15 | 2016-06-01 | 松下知识产权经营株式会社 | Microphone |
| CN107820147A (en) * | 2016-09-12 | 2018-03-20 | 美商富迪科技股份有限公司 | The control method of microphone apparatus and microphone apparatus |
| CN108141660A (en) * | 2015-10-19 | 2018-06-08 | 摩托罗拉解决方案公司 | Multi-microphone interface and ventilation structure for communication device |
| CN109348323A (en) * | 2018-09-21 | 2019-02-15 | 努比亚技术有限公司 | A kind of microphone structure |
| CN110211612A (en) * | 2019-05-09 | 2019-09-06 | 天津讯飞极智科技有限公司 | A kind of recording pen and the way of recording |
-
2006
- 2006-12-01 CN CN 200610169350 patent/CN101014205A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102480538A (en) * | 2010-11-30 | 2012-05-30 | 比亚迪股份有限公司 | Mobile terminal with microphone |
| CN104429049B (en) * | 2012-07-18 | 2016-11-16 | 华为技术有限公司 | Portable electronic device with microphone for stereo recording |
| CN104429049A (en) * | 2012-07-18 | 2015-03-18 | 华为技术有限公司 | Portable electronic device with directional microphones for stereo recording |
| CN103856857A (en) * | 2012-12-06 | 2014-06-11 | 美商富迪科技股份有限公司 | Electronic device |
| CN104185100B (en) * | 2013-05-23 | 2017-10-31 | 美商富迪科技股份有限公司 | The electronic installation of microphone array shell and application microarray microphone |
| CN104185100A (en) * | 2013-05-23 | 2014-12-03 | 美商富迪科技股份有限公司 | Microphone array housing and electronic device utilizing micro-array microphone |
| CN105636831A (en) * | 2013-10-15 | 2016-06-01 | 松下知识产权经营株式会社 | Microphone |
| CN108141660A (en) * | 2015-10-19 | 2018-06-08 | 摩托罗拉解决方案公司 | Multi-microphone interface and ventilation structure for communication device |
| CN108141660B (en) * | 2015-10-19 | 2020-07-07 | 摩托罗拉解决方案公司 | Multi-microphone interface and ventilation structure for communication devices |
| CN107820147A (en) * | 2016-09-12 | 2018-03-20 | 美商富迪科技股份有限公司 | The control method of microphone apparatus and microphone apparatus |
| CN107820147B (en) * | 2016-09-12 | 2019-07-16 | 美商富迪科技股份有限公司 | Microphone device and control method of microphone device |
| CN109348323A (en) * | 2018-09-21 | 2019-02-15 | 努比亚技术有限公司 | A kind of microphone structure |
| CN110211612A (en) * | 2019-05-09 | 2019-09-06 | 天津讯飞极智科技有限公司 | A kind of recording pen and the way of recording |
| CN110211612B (en) * | 2019-05-09 | 2024-10-29 | 天津讯飞极智科技有限公司 | Recording pen and recording method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070808 |