CN201369811Y - Sound cavity - Google Patents
Sound cavity Download PDFInfo
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- CN201369811Y CN201369811Y CNU2009200513577U CN200920051357U CN201369811Y CN 201369811 Y CN201369811 Y CN 201369811Y CN U2009200513577 U CNU2009200513577 U CN U2009200513577U CN 200920051357 U CN200920051357 U CN 200920051357U CN 201369811 Y CN201369811 Y CN 201369811Y
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- chamber
- sound
- sound chamber
- sender
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Abstract
The embodiment of the utility model provides a sound cavity, wherein, sound output holes are formed on the cavity walls of a front sound cavity and a rear sound cavity in the sound cavity, a sliding device is arranged on the cavity walls on which the sound output holes are formed, and the sliding device is used for closing or opening the sound output holes. Requirements for specific sound playing effects can be satisfied by freely selecting a sound output hole to be closed or opened. Moreover, the size of each sound output hole is controlled by closing a part of the sound output hole through the sliding device, thereby achieving the purpose of flexibly controlling sound playing effects.
Description
Technical field
The utility model relates to field of audio processing, relates in particular to the sound chamber.
Background technology
Along with the development of electronic industry, the application of miniature loudspeaker is more and more general, as can be applicable in the portable type electronic products such as mobile phone, MP3, POPDVD, and is along with people consume the raising of grade, also more and more higher to the requirement of loudspeaker plays music effect.
Prior art one is placed in loud speaker in the sound chamber usually, and like this, loud speaker receives the signal that transmits from power amplifier and by after the electroacoustic conversion, the sound after the conversion is discharged in the sound chamber and then by the sender on the sound chamber spread out of.Because in the prior art, the sound chamber generally only is provided with a sender and is in communication with the outside, and sender generally fixedly installs, and can not control the effect of sound playing flexibly.
Prior art two, control the effect of sound such as music by software filter, as can waiting the music effect that reaches specific by playing high pitch, bass and supper bass, but in the practice, control the broadcast of sound by software, can not obtain tangible high pitch, bass or supper bass effect.
The utility model content
The sound chamber that the utility model embodiment provides can be controlled the effect of sound playing flexibly.
In order to reach the foregoing invention purpose, the utility model embodiment provides a kind of sound chamber, this sound chamber comprises loud speaker containing cavity, preceding sound chamber and sound chamber, back, described loud speaker containing cavity is between preceding sound chamber and sound chamber, back, and be communicated with preceding sound chamber and sound chamber, back respectively, it is characterized in that, offer sender respectively on the chamber wall in described preceding sound chamber and sound chamber, back, be provided with carriage offering on the described chamber wall of sender, described carriage is used to cut out or open sender.
Further, the utility model embodiment also provides a kind of sound chamber, this sound chamber comprises loud speaker containing cavity, preceding sound chamber and sound chamber, back, the sound chamber is positioned at sound chamber, described back before described, and described loud speaker containing cavity is positioned at sound chamber, back, and is communicated with preceding sound chamber and sound chamber, back respectively, it is characterized in that, offer sender respectively on the chamber wall in sound chamber and sound chamber, back before described, be provided with carriage offering on the described chamber wall of sender, described carriage is used to cut out or open sender.
The sound chamber that the utility model embodiment provides sets out sound hole respectively on the chamber wall by preceding sound chamber in the sound chamber and sound chamber, back, and is provided with carriage offering on the described chamber wall of sender, and this carriage is used to cut out or open sender.Like this can be according to the needs of specific sound result of broadcast, freely select to close or open a certain sender, simultaneously, can also control the size of sender by the part that carriage cuts out sender, overcome in the prior art, because thereby sender is single and immobilize and cause controlling the sound result of broadcast flexibly, and the defective of controlling the poor effect of sound playing by software filter, realized the purpose of flexible control sound result of broadcast, further, also improved the effect of sound playing.
Description of drawings
Fig. 1 is that the structure of first embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram;
Fig. 2 is that the structure of second embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram;
Fig. 3 is that the structure of the 3rd embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram;
Fig. 4 is that the structure of the 4th embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram;
Fig. 5 is that the structure of the 5th embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram;
Fig. 6 is that the structure of the 6th embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The sound chamber that the utility model embodiment provides sets out sound hole respectively on the chamber wall by preceding sound chamber in the sound chamber and sound chamber, back, and is provided with carriage offering on the described chamber wall of sender, and this carriage is used to cut out or open sender.Like this can be according to the needs of specific sound result of broadcast, freely select to close or open a certain sender, simultaneously, can also control the size of sender by the part that carriage cuts out sender, overcome in the prior art, because thereby sender is single and immobilize and cause controlling the sound result of broadcast flexibly, and the defective of controlling the poor effect of sound playing by software filter, realized the purpose of flexible control sound result of broadcast, further, also improved the effect of sound playing.
For the ease of understanding the technical solution of the utility model, below simply introduce of the influence of the size of sound chamber volume, sender to the loudspeaker sound result of broadcast.
The low-frequency resonant point in sound chamber generally is by the volume size decision in sound chamber, back, computing formula:
f
1＝「(Vas/V
B)+1」
1/
2*f
0
Wherein: f
1For the low-frequency resonant frequency of speaker system is the low-frequency resonant point;
f
0Low-frequency resonant frequency for loudspeaker monomer;
Vas is the loudspeaker monomer equivalent volume, Vas=ρ C
2Cas=ρ C
2CmsSD
2, SD is a loud speaker equivalence swept area;
V
BVolume for casing or the promptly back sound of little cavity volume chamber.
By above-mentioned formula as can be seen, work as V
BWhen promptly sound chamber, back volume becomes big, f
1Value to diminish be low-frequency resonant point step-down, bass effect is good; Work as V
BWhen volume diminishes, f
1Value to become be greatly that the low-frequency resonant point uprises the bass effect variation.
The high-frequency resonant point in sound chamber generally is by the decision of the length of the area of the volume in preceding sound chamber, sender and sender, computing formula:
f
h＝(c/2Л)(S/LV)
1/
2
Wherein, f
hFor the high-frequency resonant frequency of loudspeaker monomer is the high-frequency resonant point;
V is a preceding sound chamber volume;
S is the sender area;
L is a sender length;
C is the velocity of sound.
By above-mentioned formula as can be seen, when current sound chamber volume V becomes big, f
hValue to diminish be high-frequency resonant point step-down, the high pitch weak effect; When current sound chamber volume V diminishes, f
hValue to become be greatly that the high-frequency resonant point uprises, the high pitch effect improves.When sender area S became big, the high-frequency resonant point uprised, and high pitch is effective; When sender area S diminishes, high-frequency resonant point step-down, high pitch deleterious.
See also Fig. 1, the structure that is first embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram, as shown in the figure, sound chamber 1 comprises the loud speaker containing cavity 13 that is used to place loud speaker, preceding sound chamber 11 and sound chamber, back 12, wherein, before sound chamber 11 and sound chamber, back 12 be respectively cavity independently, described loud speaker containing cavity 13 is between preceding sound chamber 11 and sound chamber, back 12, and be communicated with preceding sound chamber 11 and sound chamber, back 12 respectively, can be communicated with preceding sound chamber 11 and sound chamber, back 12 by the sender on the loud speaker containing cavity 13 as loud speaker containing cavity 13.
In the present embodiment, sound chamber sender 111 and sound chamber, back sender 121 before offering respectively on the chamber wall in preceding sound chamber 11 and sound chamber, back 12, wherein, the chamber wall in preceding sound chamber 11 that offers sender 111 is in the same plane with the chamber wall in back sound chamber 12 that offers sender 121, be provided with carriage being positioned on the wall of conplane described chamber, the chamber wall in sound chamber 11 and the chamber wall in sound chamber, back 12 before the direction that this carriage is arranged along described sender 111 and sender 121 is passed.
Wherein, described carriage includes but not limited to sliding tray and slider bar 14, sliding tray does not draw in the drawings, it is arranged on along on the chamber wall of sender 111 and sender 121 orientations, and slider bar 14 is stuck in the described sliding tray, and slides along sliding tray, this slider bar 14 is slidably to sender 111, also can pass sender 111 and slide into sender 121, correspondingly, slider bar 14 also can slide into sender 111 from sender 121.In the present embodiment, when slider bar 14 slides into the position of the position of the slider bar that solid line identified among Fig. 1 or the slider bar that dotted line identified, sender 111 and sender 121 all are open modes, from sender 111 low-frequency sound wave that spreads out of and the low-frequency sound wave stack that spreads out of from sender 121, thereby strengthened the effect of low frequency, can claim that this kind audio frequency is a supper bass.
See also Fig. 2, the structure that is second embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram, as shown in the figure, be that with the difference of first embodiment in sound chamber variation has taken place in the slider bar position, promptly in the present embodiment, slider bar 14 slides into the position of the sender 111 among Fig. 1, at this moment, slider bar 14 is airtight fully with sender 111, has only sender 121 to be open mode.Herein, because slider bar 14 needs that sender 111 is airtight fully, therefore, the area of slider bar 14 needs the area more than or equal to sender 111.
For convenience of description, when having only a sender to go out sound, sound chamber before that cavity that has sender to go out sound can being called, another airtight cavity is called sound chamber, back.In the present embodiment, the cavity 12 at sender 121 places can be described as preceding sound chamber, and another cavity that is sealed 11 can be described as sound chamber, back, can be found out obviously that by Fig. 2 the volume in back sound chamber 11 is little, and the volume in preceding sound chamber 12 is big.According to the computing formula of low-frequency resonant point, when after the volume hour in sound chamber 11, can learn that the low-frequency resonant point in sound chamber, back is high, low-frequency effect is poor; Computing formula according to high-frequency resonant point, when the volume in current sound chamber 12 is big, the high-frequency resonant point in sound chamber is low before can learning, high-frequency effect is poor, herein, can enough improve the high-frequency resonant point greatly by what the sender area was done, thereby strengthen high-frequency effect, this kind situation can be described as the high pitch effect pattern is set.
See also Fig. 3, the structure that is the 3rd embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram, as shown in the figure, be that with the difference of second embodiment in sound chamber variation has taken place in the slider bar position, promptly in the present embodiment, slider bar 14 slides into the position of the sender 121 among Fig. 2, at this moment, slider bar 14 is airtight fully with sender 121, has only sender 111 to be open mode.Herein, the area of slider bar 14 needs the area more than or equal to sender 121.
Among this embodiment, the cavity 11 at sender 111 places can be described as preceding sound chamber, and another cavity that is sealed 12 can be described as sound chamber, back, can be found out obviously that by Fig. 3 the volume in back sound chamber 12 is big, and the volume in preceding sound chamber 11 is little.According to the computing formula of low-frequency resonant point, when the volume in sound chamber, back 12 is big, can learn that the low-frequency resonant point in sound chamber, back is low, low-frequency effect is good; Computing formula according to high-frequency resonant point, the volume in current sound chamber 12 hour, the high-frequency resonant point in sound chamber is high before can learning, high-frequency effect is good, still, and can be enough little by what the sender area was done, reduce the high-frequency resonant point, thereby the reduction high-frequency effect, this kind situation can be described as bass effect pattern is set.
See also Fig. 4, the structure that is the 4th embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram, as shown in the figure, when a sender 111 goes out sound, can also adjust the size of sound hole 121 by the part that slider bar 14 is closed sender 121; Certainly, when sender 121 goes out sound, can also adjust the size of sound hole 111 by the part that slider bar 14 is closed sender 111.Can control the effect of sound playing so more flexibly, satisfy the demand of user individual.
Need to prove, the chamber wall in the preceding sound chamber 11 that offers sender 111 that above embodiment describes is in the same plane with the chamber wall that offers the back sound chamber 12 of sender 121, in other embodiment of the present utility model, the chamber wall that offers the preceding sound chamber 11 of sender 111 can also be positioned on the different planes with the chamber wall in the back sound chamber 12 that offers sender 121, correspondingly, before described, be respectively equipped with carriage on the chamber wall in the chamber wall in sound chamber 11 and sound chamber, described back 12, in following examples of the present utility model, will describe the similar situation of this kind in detail, wouldn't give unnecessary details herein.
Implement above embodiment, set out sound hole respectively on the chamber wall by preceding sound chamber in the sound chamber and sound chamber, back, and be provided with carriage offering on the described chamber wall of sender, this carriage is used to cut out or open sender.Like this can be according to the needs of specific sound result of broadcast, freely select to close or open a certain sender, simultaneously, can also control the size of sender by the part that carriage cuts out sender, overcome in the prior art, because thereby sender is single and immobilize and cause controlling the sound result of broadcast flexibly, and the defective of controlling the poor effect of sound playing by software filter, realized the purpose of flexible control sound result of broadcast, further, also improved the effect of sound playing.
Seeing also Fig. 5, is that the structure of the 5th embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram.The difference of present embodiment and first embodiment to the, four embodiment is: in the present embodiment, be in a sound chamber, to design another sound chamber, the free space that the situation in sound chamber before promptly designing in sound chamber, back, this kind mode are applicable to cavity situation hour.As shown in the figure, sound chamber 2 comprises the loud speaker containing cavity 23 that is used to place loud speaker, preceding sound chamber 21 and sound chamber, back 22, sound chamber 21 is positioned at sound chamber, described back 22 before described, and described loud speaker containing cavity 23 is positioned at sound chamber, back 22, and is communicated with preceding sound chamber 21 and sound chamber, back 22 respectively.As, loud speaker containing cavity 23 is communicated with preceding sound chamber 21 and sound chamber, back 22 by the sender on the loud speaker containing cavity 23.
In the present embodiment, sound chamber sender 211 and sound chamber, back sender 221 before offering respectively on the chamber wall in preceding sound chamber 21 and sound chamber, back 22, wherein, the chamber wall in preceding sound chamber 21 that offers sender 211 is in the same plane with the chamber wall in back sound chamber 22 that offers sender 221, be provided with carriage being positioned on the wall of conplane described chamber, the chamber wall in sound chamber 21 and the chamber wall in sound chamber, back 22 before the direction that this carriage is arranged along described sender 211 and sender 221 is passed.
Wherein, described carriage includes but not limited to sliding tray and slider bar 24, and sliding tray does not draw in the drawings, and it is arranged on along on the chamber wall of sender 211 and sender 221 orientations, and slider bar 24 is stuck in the described sliding tray, and slides along sliding tray.In the present embodiment, when slider bar 24 slides into slider bar position that solid line identified among Fig. 5 or the slider bar position that dotted line identified, sender 211 and sender 221 all are open modes, from sender 211 low-frequency sound wave that spreads out of and the low-frequency sound wave stack that spreads out of from sender 221, thereby strengthened the effect of low frequency, can claim that this kind audio frequency is a supper bass.
This slider bar 24 slidably to the position of sender 211, also can pass the position that sender 211 slides into sender 221.When slider bar 24 slides into the position of sender 211, similar to the situation of second embodiment in sound chamber, slider bar 24 is airtight fully with sender 211, herein, the area of slider bar needs the area more than or equal to sender 211, have only sender 221 to be open mode, this kind situation can be described as the high pitch effect pattern is set, and concrete principle please refer among second embodiment in sound chamber and describes accordingly.When slider bar 24 slides into the position of sender 221, similar to the situation of the 3rd embodiment in sound chamber, slider bar 24 is airtight fully with sender 221, have only sender 211 to be open mode, this kind situation, can be described as bass effect pattern is set, concrete principle please refer among the 3rd embodiment in sound chamber and describes accordingly.
Seeing also Fig. 6, is that the structure of the 6th embodiment in the sound chamber that provides of the utility model embodiment is formed schematic diagram.As shown in the figure, sound chamber 3 comprises loud speaker containing cavity 33, preceding sound chamber 31 and sound chamber, back 32, and described preceding sound chamber 31 is positioned at sound chamber, described back 32, and described loud speaker containing cavity 33 is positioned at sound chamber, back 32, and is communicated with preceding sound chamber 31 and sound chamber, back 32 respectively.As, loud speaker containing cavity 33 is communicated with preceding sound chamber 31 and sound chamber, back 32 by the sender on the loud speaker containing cavity 33.
In the present embodiment, sound chamber sender 311 and sound chamber, back sender 321 before offering respectively on the chamber wall in preceding sound chamber 31 and sound chamber, back 32, wherein, the chamber wall that offers the preceding sound chamber 31 of sender 311 is positioned on the different planes with the chamber wall in the back sound chamber 32 that offers sender 321, correspondingly, before described, be respectively equipped with carriage on the chamber wall in the chamber wall in sound chamber 31 and sound chamber, described back 32.
Carriage on the chamber wall in preceding sound chamber 31 comprises sliding tray and slider bar 34, carriage on the chamber wall in back sound chamber 32 comprises sliding tray and slider bar 35, two sliding trays all do not draw in the drawings, it is separately positioned near sender 311 and sender 321 positions the chamber wall, slider bar is stuck in the described sliding tray, and slides along sliding tray.Slider bar 34 is slidably to the position of sender 311, and slider bar 35 is slidably to the position of sender 321.
In the present embodiment, when slider bar 34 slides into the position of the slider bar that solid line identified among Fig. 6 and slider bar 35 and slides into the position of the slider bar that solid line identified among Fig. 6, sender 311 and sender 321 all are open modes, from sender 311 low-frequency sound wave that spreads out of and the low-frequency sound wave stack that spreads out of from sender 321, thereby strengthened the effect of low frequency, can claim that this kind audio frequency is a supper bass.
When slider bar 34 slides into the position of sender 311 and sender 321 for open mode, similar to the situation of second embodiment in sound chamber, slider bar 34 is airtight fully with sender 311, have only sender 321 to go out sound, this kind situation can be described as the high pitch effect pattern is set, and concrete principle please refer among second embodiment in sound chamber and describes accordingly.When slider bar 35 slides into the position of sender 321 and sender 311 for open mode, similar to the situation of the 3rd embodiment in sound chamber, slider bar 34 is airtight fully with sender 321, have only sender 311 to be open mode, this kind situation, can be described as bass effect pattern is set, concrete principle please refer among the 3rd embodiment in sound chamber and describes accordingly.
Need to prove, can adjust the size of sound hole 311 by the part that slider bar 34 is closed sender 311; Can also adjust the size of sound hole 321 by the part that slider bar 35 is closed sender 321.Thereby can control the effect of sound playing more flexibly, satisfy the demand of user individual.
Need to prove that also the structure in sound chamber is not limited to the 5th embodiment in sound chamber and the described structure of the 6th embodiment in sound chamber before designing in sound chamber, back, can be according to actual needs, the sound chamber of design difformity, diverse location relation.
Among all embodiment of the utility model, the shape of sound chamber cavity and sender can be the shape of rule such as square, circular, triangle etc., it also can be irregular shape, specifically can do careful calculating and obtain and corresponding cavity of specific audio and sender according to the broadcast demand of audio.
The sound chamber that the utility model embodiment provides sets out sound hole respectively on the chamber wall by preceding sound chamber in the sound chamber and sound chamber, back, and is provided with carriage offering on the described chamber wall of sender, and this carriage is used to cut out or open sender.Like this can be according to the needs of specific sound result of broadcast, freely select to close or open a certain sender, simultaneously, can also control the size of sender by the part that carriage cuts out sender, realized the purpose of flexible control sound result of broadcast, further, also improved the effect of sound playing.
Above disclosed only is the utility model preferred embodiment, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.
Claims (10)
1, a kind of sound chamber, this sound chamber comprises loud speaker containing cavity, preceding sound chamber and sound chamber, back, described loud speaker containing cavity is between preceding sound chamber and sound chamber, back, and be communicated with preceding sound chamber and sound chamber, back respectively, it is characterized in that, offer sender respectively on the chamber wall in sound chamber and sound chamber, back before described, be provided with carriage offering on the described chamber wall of sender, described carriage is used to cut out or open sender.
2, sound according to claim 1 chamber, it is characterized in that, the chamber wall in the described preceding sound chamber that offers sender is in the same plane with the chamber wall in sound chamber, back, the direction that described carriage is arranged along described sender pass described before the chamber wall in sound chamber and the chamber wall in sound chamber, described back.
3, sound according to claim 1 chamber, it is characterized in that, the chamber wall in the described preceding sound chamber that offers sender is positioned on the Different Plane with the chamber wall in sound chamber, back, correspondingly, is respectively equipped with carriage on the chamber wall in the chamber wall in sound chamber and described back sound chamber described before.
4, according to any described sound chamber of claim 1 to 3, it is characterized in that described carriage comprises sliding tray and slider bar, described slider bar is stuck in the described sliding tray, and slides along described sliding tray.
5, sound according to claim 4 chamber is characterized in that the area of described slider bar is more than or equal to the area of sender.
6, a kind of sound chamber, this sound chamber comprises loud speaker containing cavity, preceding sound chamber and sound chamber, back, the sound chamber is positioned at sound chamber, described back before described, described loud speaker containing cavity is positioned at sound chamber, back, and be communicated with preceding sound chamber and sound chamber, back respectively, it is characterized in that, offer sender respectively on the chamber wall in described preceding sound chamber and sound chamber, back, be provided with carriage offering on the described chamber wall of sender, described carriage is used to cut out or open sender.
7, sound according to claim 6 chamber, it is characterized in that, the chamber wall in the described preceding sound chamber that offers sender is in the same plane with the chamber wall in sound chamber, back, the chamber wall in the chamber wall in sound chamber and sound chamber, back before the direction that described carriage is arranged along described sender is passed.
8, sound according to claim 6 chamber, it is characterized in that, the chamber wall in the described preceding sound chamber that offers sender is positioned on the Different Plane with the chamber wall in sound chamber, back, correspondingly, is respectively equipped with carriage on the chamber wall in the chamber wall in sound chamber and described back sound chamber described before.
9, according to any described sound chamber of claim 6 to 8, it is characterized in that described carriage comprises sliding tray and slider bar, described slider bar is stuck in the described sliding tray, and slides along described sliding tray.
10, sound according to claim 9 chamber is characterized in that the area of described slider bar is more than or equal to the area of sender.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200513577U CN201369811Y (en) | 2009-02-18 | 2009-02-18 | Sound cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009200513577U CN201369811Y (en) | 2009-02-18 | 2009-02-18 | Sound cavity |
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| Publication Number | Publication Date |
|---|---|
| CN201369811Y true CN201369811Y (en) | 2009-12-23 |
Family
ID=41488698
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|---|---|---|---|
| CNU2009200513577U Expired - Lifetime CN201369811Y (en) | 2009-02-18 | 2009-02-18 | Sound cavity |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102202137A (en) * | 2011-07-04 | 2011-09-28 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal and call tone quality regulation method thereof |
| CN102395088A (en) * | 2011-08-30 | 2012-03-28 | 瑞声声学科技(深圳)有限公司 | Sounding device |
| CN105872919A (en) * | 2016-03-08 | 2016-08-17 | 上海安费诺永亿通讯电子有限公司 | Loudspeaker module |
| CN106714046A (en) * | 2015-11-18 | 2017-05-24 | 宏碁股份有限公司 | Electronic device |
| CN109314805A (en) * | 2017-03-06 | 2019-02-05 | 自在设计合同会社 | Speaker unit |
| CN109429152A (en) * | 2017-08-31 | 2019-03-05 | 北京小米移动软件有限公司 | Speaker unit, electronic equipment, effect adjusting method and device |
| WO2020011073A1 (en) * | 2018-07-10 | 2020-01-16 | 维沃移动通信有限公司 | Receiver module and terminal device |
| CN113825071A (en) * | 2020-06-19 | 2021-12-21 | 北京小米移动软件有限公司 | Audio output mode adjusting structure, method and device and electronic equipment |
| WO2022160874A1 (en) * | 2021-01-27 | 2022-08-04 | 歌尔股份有限公司 | Audio device and intelligent wearable device |
-
2009
- 2009-02-18 CN CNU2009200513577U patent/CN201369811Y/en not_active Expired - Lifetime
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102202137A (en) * | 2011-07-04 | 2011-09-28 | 宇龙计算机通信科技(深圳)有限公司 | Mobile terminal and call tone quality regulation method thereof |
| CN102395088A (en) * | 2011-08-30 | 2012-03-28 | 瑞声声学科技(深圳)有限公司 | Sounding device |
| CN102395088B (en) * | 2011-08-30 | 2014-06-04 | 瑞声声学科技(深圳)有限公司 | Sounding device |
| CN106714046B (en) * | 2015-11-18 | 2019-08-16 | 宏碁股份有限公司 | Electronic device |
| CN106714046A (en) * | 2015-11-18 | 2017-05-24 | 宏碁股份有限公司 | Electronic device |
| CN105872919A (en) * | 2016-03-08 | 2016-08-17 | 上海安费诺永亿通讯电子有限公司 | Loudspeaker module |
| WO2017177545A1 (en) * | 2016-03-08 | 2017-10-19 | 上海安费诺永亿通讯电子有限公司 | Loudspeaker module |
| CN109314805A (en) * | 2017-03-06 | 2019-02-05 | 自在设计合同会社 | Speaker unit |
| CN109429152A (en) * | 2017-08-31 | 2019-03-05 | 北京小米移动软件有限公司 | Speaker unit, electronic equipment, effect adjusting method and device |
| WO2020011073A1 (en) * | 2018-07-10 | 2020-01-16 | 维沃移动通信有限公司 | Receiver module and terminal device |
| US11457305B2 (en) | 2018-07-10 | 2022-09-27 | Vivo Mobile Communication Co., Ltd. | Receiver module and terminal device |
| CN113825071A (en) * | 2020-06-19 | 2021-12-21 | 北京小米移动软件有限公司 | Audio output mode adjusting structure, method and device and electronic equipment |
| WO2022160874A1 (en) * | 2021-01-27 | 2022-08-04 | 歌尔股份有限公司 | Audio device and intelligent wearable device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091223 |
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| CX01 | Expiry of patent term |