CN108055614A - Loudspeaker enclosure - Google Patents

Loudspeaker enclosure Download PDF

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Publication number
CN108055614A
CN108055614A CN201711183710.2A CN201711183710A CN108055614A CN 108055614 A CN108055614 A CN 108055614A CN 201711183710 A CN201711183710 A CN 201711183710A CN 108055614 A CN108055614 A CN 108055614A
Authority
CN
China
Prior art keywords
elastic
loudspeaker enclosure
housing
mass block
vibrating diaphragm
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.)
Withdrawn
Application number
CN201711183710.2A
Other languages
Chinese (zh)
Inventor
秦鹏
张哲�
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Pte Ltd
Original Assignee
AAC Technologies Pte Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AAC Technologies Pte Ltd filed Critical AAC Technologies Pte Ltd
Priority to CN201711183710.2A priority Critical patent/CN108055614A/en
Publication of CN108055614A publication Critical patent/CN108055614A/en
Withdrawn legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/03Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H04M1/035Improving the acoustic characteristics by means of constructional features of the housing, e.g. ribs, walls, resonating chambers or cavities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2884Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure
    • H04R1/2888Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of the enclosure structure, i.e. strengthening or shape of the enclosure for loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/11Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Abstract

The present embodiments relate to acoustic-electric fields, disclose a kind of loudspeaker enclosure.The loudspeaker enclosure, including housing and it is contained in the in vivo sounding monomer of shell, sounding monomer includes the vibrating diaphragm for vibration sounding, vibrating diaphragm is arranged at intervals to form the preceding operatic tunes with housing, loudspeaker enclosure further includes the operatic tunes and extraneous passage of speaking before connection, and the preceding operatic tunes and passage of speaking collectively form the ante-chamber of loudspeaker enclosure, and the position that ante-chamber is corresponded on housing is provided through the through hole of housing, covered with elastic wall on through hole, mass block is additionally provided on elastic wall.The loudspeaker enclosure can be effectively improved the problem of audio distortions, promote acoustical behavior.

Description

Loudspeaker enclosure
Technical field
The present embodiments relate to acoustic-electric fields, more particularly to a kind of loudspeaker enclosure applied to portable electronic product.
Background technology
With the arrival in mobile Internet epoch, the use of Intelligent mobile equipment is more and more.And in numerous intelligent mobiles Among equipment, sound broadcasting is one of most important function, and this function is typically to be realized by loudspeaker enclosure.
The loudspeaker enclosure of the prior art includes housing, is contained in the in vivo sounding monomer of the shell, the sounding monomer bag The vibrating diaphragm for vibration sounding is included, the vibrating diaphragm is arranged at intervals to form the preceding operatic tunes with the housing, and the loudspeaker enclosure further includes Sound passage is led by what the preceding operatic tunes was in communication with the outside, the preceding operatic tunes collectively forms the loudspeaker enclosure with the sound passage of leading Ante-chamber.
However the inventors found that at least there are the following problems in the prior art:It raises one's voice described in of the prior art Device case, the inner wall of ante-chamber are the rigid walls that hard plastic or metal material are formed, and the damping of rigid walls is small and Oscillation Amplitude Small, radiation energy is limited, therefore the structure will be it is easier that the audio distortions that the loudspeaker enclosure plays, this will seriously affect described raise The acoustical behavior of sound device case.
Therefore, it is necessary to a kind of new loudspeaker enclosure is provided to solve the above problems.
The content of the invention
Embodiment of the present invention is designed to provide a kind of loudspeaker enclosure, can be effectively improved asking for audio distortions Topic promotes acoustical behavior.
In order to solve the above technical problems, embodiments of the present invention provide a kind of loudspeaker enclosure, including housing and collecting In the in vivo sounding monomer of shell, sounding monomer includes the vibrating diaphragm for vibration sounding, and vibrating diaphragm is arranged at intervals to form preceding sound with housing Chamber, loudspeaker enclosure further include the operatic tunes and extraneous passage of speaking before connection, and the preceding operatic tunes and passage of speaking collectively form loudspeaker enclosure Ante-chamber, the position that ante-chamber is corresponded on housing is provided through the through hole of housing, covered with elastic wall on through hole, on elastic wall also It is provided with mass block.
Embodiment of the present invention in terms of existing technologies, is produced when the air in loudspeaker enclosure ante-chamber is because vibrating diaphragm sounding During raw vibration, passively vibration can occur under the air driven in ante-chamber for the elastic wall with mass block, thus consume loud speaker Vibrational energy in case ante-chamber, simultaneously also by the vibration of the elastic wall with mass block itself by the vibrational energy in ante-chamber The outside of loudspeaker enclosure is propagated to, so as to greatly reduce the covibration that loudspeaker enclosure is generated in diaphragm oscillations sounding, is had Effect improves audio distortions problem, improves acoustical behavior.
In addition, mass block is arranged on one side of the elastic wall away from vibrating diaphragm.
In addition, mass block is arranged on elastic wall close to the one side of vibrating diaphragm.
In addition, mass block is embedded on elastic wall.
In addition, the material of elastic wall is TPU, MCP or silica gel.
In addition, the material of mass block is identical with the material of vibrating diaphragm or mass block is metal material matter.
In addition, the number at least two of mass block.
In addition, at least two mass blocks have different thickness.
In addition, housing is equipped at least two through holes, covered with elastic wall on each through hole.
In addition, at least two through holes are respectively provided at before being corresponded on housing corresponds to passage of speaking on the position of the operatic tunes and housing Position.
In addition, the particular resonant frequency is 500~15000Hz.
In addition, the particular resonant frequency is 3000~9000Hz.
Description of the drawings
Fig. 1 is the overall structure diagram of loudspeaker enclosure in embodiment of the present invention;
Fig. 2 is cross-sectional view of the loudspeaker enclosure shown in Fig. 1 along A-A directions.
Fig. 3 is loudspeaker enclosure stereochemical structure decomposing schematic representation shown in Fig. 1.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with attached drawing to the present invention Each embodiment be explained in detail.However, it will be understood by those skilled in the art that in each embodiment party of the present invention In formula, many technical details are proposed in order to which reader is made to more fully understand the present invention.But even if without these technical details With many variations based on following embodiment and modification, claimed technical solution of the invention can also be realized.
The first embodiment of the present invention is related to a kind of loudspeaker enclosure 100, as shown in Figs. 1-3, including housing 1 and sounding list Body 2.The sounding monomer 2 is contained in housing 1, and including vibrating diaphragm 21, which is used in 100 internal vibration sounding of loudspeaker enclosure, Vibrating diaphragm 21 is arranged at intervals with housing 1 and forms a preceding operatic tunes 31, and the preceding operatic tunes 31 is in communication with the outside by passage 32 of speaking, wherein, The preceding operatic tunes 31 and passage 32 of speaking collectively form the ante-chamber 3 of loudspeaker enclosure 100.
In present embodiment, as shown in figures 1 and 3, the position that ante-chamber 3 is corresponded on housing 1 is provided through the logical of housing 1 Hole 4, it is preceding when being vibrated when the vibrating diaphragm 21 of loudspeaker enclosure 100 is because sounding covered with the elastic wall 5 with mass block 6 on through hole 4 Air in chamber 3 also can be passive formation vibration, the elastic wall 5 with mass block 6 can also send out under the influence of the air of vibration It is raw to vibrate and pass through the energy in a part of 3 air of ante-chamber of vibration acting consumption, in addition, the elastic wall 5 with mass block 6 does and shakes During dynamic movement, a part of vibrational energy can be passed to the outside of loudspeaker enclosure 100, thus also consume a part in ante-chamber 3 Vibrational energy, so as to greatly reduce the covibration of loudspeaker enclosure 100, effectively improve the problem of dtmf distortion DTMF of sound, promoted Acoustical behavior.
Elastic wall 5 compared with prior art in rigid walls for, elasticity is good, and Oscillation Amplitude is big, can consume and propagate The energy of vibration, it is notable that in the present embodiment, the elastic wall 5 tool is there are one resonant frequency parameter, when vibration Frequency values reach near the resonant frequency numerical value of elastic wall 5, and elastic wall 5 can generate stronger vibration, thus reach and utilize elasticity Wall 5 greatly consumes and propagates the purpose of vibrational energy, reduces the covibration of the loudspeaker enclosure 100.It should be noted that this In embodiment, set on elastic wall 5 there are one mass block 6, the resonant frequency which is used for regulation elasticity wall 5 is joined Number.
The mass block 6 is arranged on elastic wall 5, Position Design can there are many kinds of, in the present embodiment, as Fig. 1- Shown in 2, mass block 6 is arranged on one side of the elastic wall 5 away from vibrating diaphragm 21, is arranged such, it is ensured that even if mass block 6 is unexpected de- Fall, will not drop influences sounding monomer 2 and work on sounding monomer 2, in addition, being reserved also without in the preceding operatic tunes 31 The installation space of mass block 6.
It is understood that one as present embodiment changes embodiment, mass block 6 can also be arranged on elasticity Wall 5 is arranged such close to the one side of vibrating diaphragm 21 so that the surface of one side of the elastic wall 5 away from vibrating diaphragm 21 is smoother, so with Come, the shape of loudspeaker enclosure 100 is more regular, is not easy to send out with the other component of electronic equipment when being assembled into electronic equipment Raw interference, avoids irregularly spare part being caused to collide because of shape, promotes packaging efficiency and assembling quality.
In addition, in other modifiable embodiments of present embodiment, mass block 6 can be embedded on elastic wall 5.It needs It is noted that mass block 6 can be embedded in a manner of running through elastic wall 5 on elastic wall 5 or by from elasticity Wall 5 one side insertion but not through mode be embedded in the recess on elastic wall 5.
The above-mentioned position of mass block 6 is mainly converted on the direction of elastic wall 5, it is to be understood that matter The specific location of gauge block 6 can also make conversion and adjustment on the direction parallel to the elastic wall 5, for example, by quality Block 6 is arranged on middle section or fringe region of elastic wall 5 etc., in the present embodiment, as shown in Figure 1, mass block 6 is set In centre position of the elastic wall 5 away from 21 one side of vibrating diaphragm.
It is understood that no matter mass block 6 can all make the resonant frequency of elastic wall 5 using above-mentioned any scheme Into influence, therefore, the definite of the position can need to set with reference to actual.
In present embodiment, for mass block 6 except there is the conversion of different position, different choosings can also be had by making its material It selects, it is necessary to illustrate, the material of any one material or combination may serve to make the mass block 6 in present embodiment, And the mass block 6 may serve to the resonant frequency of regulation elasticity wall 5, simply can difference in the degree of adjusting.
It should be noted that in order to make the mass block worked it out 6 thinner, more structure spaces are saved, it is generally preferable to close Spend the parameter material bigger than the density parameter of elastic wall 5, such as the material of the mass block and material of vibrating diaphragm is identical or mass block For metal material etc..
It is understood that the quantity setting of mass block 6 can also be used to set the resonant frequency of regulation elasticity wall 5, this In embodiment, the number of the mass block 6 on elastic wall 5 can also be 2,3,4 in addition to being as described in Figure 11 Deng.The setting of multiple mass blocks 6 can increase the adjustable range to 5 resonant frequency parameter of elastic wall, furthermore it is also possible to more Individual mass block 6 is chosen in a mass block 6 to make it have any one feature either in material feature of above-mentioned position or appoint Meaning assemblage characteristic, the thus design of kinds of schemes can meet the tune of the resonant frequency parameter value in practical operation to elastic wall 5 Section is set.
In addition, in the range of structure space permission, thus the thickness of adjustment mass block 6 that can also be suitably adjusts matter The quality of gauge block 6, and then the resonant frequency of regulation elasticity wall 5, therefore be also required to sometimes can be according to the actual needs to quality The thickness of block carries out numerical value setting, especially when the number more than one of mass block 6, can by different mass blocks 6 into The setting of row different-thickness, to combine the resonant frequency of regulation elasticity wall 5.
In addition, the shape of area of section and mass block 6 of the mass block 6 on the direction parallel to elastic wall 5 can also It is adapted accordingly, and then adjusts the quality of mass block 6, and the resonant frequency of final adjustment elastic wall 5, these features can roots Factually the demand on border is configured, and as the problem of thickness, when the number of mass block 6 is multiple, can set tool There is the mass block 6 of varying cross-section product or shape, thus combine the resonant frequency of regulation elasticity wall 5.
In present embodiment, except carrying out a certain range of adjusting to the resonant frequency of elastic wall 5 using mass block 6, and So that the elastic wall 5 with mass block 6 is preferably consumed and propagated outside vibrational energy, present embodiment can also be by elasticity Wall 5 carries out some quantity settings, to help to consume and propagate vibrational energy.For example, the quantity of elastic wall 5 is arranged at least two A, in this kind of embodiment, specific structure is:At least two through holes 4 are equipped on housing 1, at least two elastic walls 5 are distinguished Be covered at least two through holes, and at least two elastic walls 5 respectively set with above-mentioned position, material, quantity, The mass block 6 of any one feature or any combination feature in the features such as thickness, area, shape, in this way, directly to increase bullet The mode of property 5 numbers of wall, to strengthen consumption and propagation to vibrational energy in ante-chamber 3.
In addition, at least two elastic walls 5 can also have different resonant frequency parameter values, thus at least two is elastic Wall 5 consumes and propagates respectively the vibration of different frequency range in ante-chamber 3, the frequency bandwidth of consumable vibration is finally widened, in big model The covibration of loudspeaker enclosure 100 is reduced in the frequency range enclosed, is existed so as to preferably improve the sound played out in loudspeaker enclosure 100 Sound quality in one broad frequency band.And at least two elastic wall 5 can by be separately positioned on mass block 6 thereon come The adjusting of 5 resonant frequency of elastic wall is realized in help.
Except quantity, the position of elastic wall 5 is also critically important to the consumption and propagation of vibration, and the position of elastic wall 5 also has The position of the operatic tunes 31 or passage 32 of speaking before being corresponded in some different conversion, such as housing 1, when elastic wall 5 is as above institute State at least two when, at least two elastic wall 5 except be arranged at it is corresponding before the position of the operatic tunes 31 or passage 32 of speaking Outside, can also be separately positioned on housing 1 it is corresponding before the position of the operatic tunes 31 and passage 32 of speaking, and simultaneously using being arranged on elasticity Any one feature or any combination for having in the features such as above-mentioned position, material, quantity, thickness, area, shape on wall 5 The mass block 6 of feature carries out the adjusting of the resonant frequency of elastic wall 5, thus in vibration sound source and route of transmission two place, Double-absorption, the effective audio distortions problem for improving loudspeaker enclosure 100 are preferably carried out to the energy of vibration.
It is understood that the material of elastic wall 5 also can generate shadow to the consumption and propagation vibrated in loudspeaker enclosure 100 It rings, specifically, the material of manufacture elastic wall 5 has very much, such as TPU (Thermoplastic Urethane, thermoplastic poly ammonia Ester elastomer rubber) material, MCP (monocalcium phosphate, calcium dihydrogen phosphate) materials or silica gel material, using it In any one or any combination, can be made needed for resonant frequency elastic wall 5, and on this basis, use simultaneously Matter with any one feature in the features such as above-mentioned position, material, quantity, thickness, area, shape or any combination feature Gauge block 6 further adjusts the resonant frequency of elastic wall 5, thus preferably realizes consumption and biography to vibrational energy It broadcasts.
In addition, elastic wall 5 other parameter or structure of itself, such as thickness, area, shape etc., it also all can be to certainly The resonant frequency of body has an impact, and and then influence the consumption vibrated and propagation problem in loudspeaker enclosure 100, therefore, can be with The setting of corresponding parameter and structure is carried out according to actual situation, and is combined with above-mentioned position, material, quantity, thickness, face Any one feature in the features such as product, shape is combined the mass block 6 of feature to carry out the adjusting of resonant frequency, finally Reach the significantly more efficient consumption and propagation to being vibrated in loudspeaker enclosure 100, and the good sound improved in loudspeaker enclosure 100 Problem of dtmf distortion DTMF.
Rigid walls in correlation technique are replaced by the elastic wall 5 in the present invention, and there are one for the elastic wall 5 Resonant frequency, it is described near resonant frequency when the resonant frequency of the elastic wall 5 is adjusted to a certain frequency by design Elastic wall 5 can generate stronger vibration, in 100 sounding of loudspeaker enclosure, when sounding monomer 2 vibrates, make the sky in ante-chamber Air pressure contracting generates energy, and energy driving elastic wall 5 vibrates, and so as to consume the energy in ante-chamber, elastic wall 5 is preferably in resonance frequency It is vibrated under rate, oscillation intensity reaches maximum at this time, so as to consume more energy;And then it absorbs near specific frequency The purpose of energy;In addition, by the elastic wall 5 substitute rigid walls medium density in the ante-chamber 3 can be passed to it is described before Outside chamber 3, and then reduce the covibration of the loudspeaker enclosure 100 and improve distortion.
In the loudspeaker enclosure 100 of the present invention, the resonant frequency of the elastic wall 5 is 500~15000Hz:I.e. described elasticity The absorption resonant frequency of wall 5 is the vibration of 3000~9000Hz.
When the resonant frequency of the elastic wall 5 is 500~1500Hz, the low-frequency resonant of the loudspeaker enclosure 100 can be reduced 2 distortions near distortion, corresponding f0/2 near frequency f0 and 3 distortions near f0/3 etc.;
When the resonant frequency of the elastic wall 5 is 1500~3000Hz, the 2000Hz that can reduce the loudspeaker enclosure 100 is attached 3 distortions near near intermediate frequency distortion, corresponding 1000Hz 2 distortions nearby and 667Hz etc.;
When the resonant frequency of the elastic wall 5 is 3000~9000Hz, the high-frequency resonant of the loudspeaker enclosure 100 can be reduced 3 distortions near distortion, corresponding Fh/2 2 distortions nearby and Fh/3 near peak Fh etc.;
When the resonant frequency of the elastic wall 5 is 9000~15000Hz, the high frequency of the loudspeaker enclosure 100 can be reduced 3 distortions near distortion, corresponding 6000Hz 2 distortions nearby and 4000Hz near 12000Hz etc..
More preferably, the resonant frequency of the elastic wall 5 is 3000~9000Hz, i.e., the absorption resonance of described elastic wall 5 is frequently When rate is the vibration of 3000~9000Hz, the distortion spike in the total harmonic distortion curve of the loudspeaker enclosure 100 reduces at this time The most apparent, effect is more preferable.
It will be understood by those skilled in the art that the respective embodiments described above are to realize specific embodiments of the present invention, And in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit and scope of the present invention.

Claims (12)

1. a kind of loudspeaker enclosure including housing and is contained in the in vivo sounding monomer of the shell, the sounding monomer includes being used for The vibrating diaphragm of vibration sounding, the vibrating diaphragm are arranged at intervals to form the preceding operatic tunes with the housing, and the loudspeaker enclosure further includes connection institute The operatic tunes and extraneous passage of speaking before stating, the preceding operatic tunes and the passage of speaking collectively form the ante-chamber of the loudspeaker enclosure, It is characterized in that, the position that the ante-chamber is corresponded on the housing is provided through the through hole of the housing, the through hole overlying Elastic wall is stamped, mass block is additionally provided on the elastic wall, the elastic wall is used to absorb the vibration of particular resonant frequency Energy, the Young's modulus or intensity of the elastic wall are less than the Young's modulus or intensity of the housing.
2. loudspeaker enclosure according to claim 1, which is characterized in that the mass block is arranged on the elastic wall away from institute State the one side of vibrating diaphragm.
3. loudspeaker enclosure according to claim 1, which is characterized in that the mass block is arranged on the elastic wall close to institute State the one side of vibrating diaphragm.
4. loudspeaker enclosure according to claim 1, which is characterized in that the mass block is embedded on the elastic wall.
5. according to claim 1-4 any one of them loudspeaker enclosures, which is characterized in that the material of the elastic wall for TPU, MCP or silica gel.
6. loudspeaker enclosure according to claim 5, which is characterized in that the material of the mass block is identical with the material of vibrating diaphragm Or mass block is metal material.
7. loudspeaker enclosure according to claim 1, which is characterized in that at least two mass are provided on the elastic wall Block.
8. loudspeaker enclosure according to claim 7, which is characterized in that at least two mass block has different thickness Degree.
9. loudspeaker enclosure according to claim 1, which is characterized in that the housing is equipped at least two through holes, each Covered with the elastic wall on the through hole.
10. loudspeaker enclosure according to claim 9, which is characterized in that at least two through hole is respectively provided on housing Correspond to the position for passage of speaking described in being corresponded on the position and the housing of the preceding operatic tunes.
11. loudspeaker enclosure according to claim 1, which is characterized in that the particular resonant frequency is 500~15000Hz.
12. loudspeaker enclosure according to claim 11, which is characterized in that the particular resonant frequency for 3000~ 9000Hz。
CN201711183710.2A 2017-11-23 2017-11-23 Loudspeaker enclosure Withdrawn CN108055614A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711183710.2A CN108055614A (en) 2017-11-23 2017-11-23 Loudspeaker enclosure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711183710.2A CN108055614A (en) 2017-11-23 2017-11-23 Loudspeaker enclosure

Publications (1)

Publication Number Publication Date
CN108055614A true CN108055614A (en) 2018-05-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711183710.2A Withdrawn CN108055614A (en) 2017-11-23 2017-11-23 Loudspeaker enclosure

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CN (1) CN108055614A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203788443U (en) * 2014-01-10 2014-08-20 瑞声精密电子沭阳有限公司 Flat sounding device, and mobile terminal adopting same
CN106921310A (en) * 2017-05-02 2017-07-04 西安电子科技大学 A kind of electric field energy collection device
CN107333216A (en) * 2017-07-04 2017-11-07 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN107343247A (en) * 2017-07-04 2017-11-10 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN107360517A (en) * 2017-07-04 2017-11-17 瑞声科技(新加坡)有限公司 Loudspeaker enclosure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203788443U (en) * 2014-01-10 2014-08-20 瑞声精密电子沭阳有限公司 Flat sounding device, and mobile terminal adopting same
CN106921310A (en) * 2017-05-02 2017-07-04 西安电子科技大学 A kind of electric field energy collection device
CN107333216A (en) * 2017-07-04 2017-11-07 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN107343247A (en) * 2017-07-04 2017-11-10 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN107360517A (en) * 2017-07-04 2017-11-17 瑞声科技(新加坡)有限公司 Loudspeaker enclosure

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Application publication date: 20180518