CN108462929A - Loud speaker module and electronic equipment - Google Patents

Loud speaker module and electronic equipment Download PDF

Info

Publication number
CN108462929A
CN108462929A CN201810471605.7A CN201810471605A CN108462929A CN 108462929 A CN108462929 A CN 108462929A CN 201810471605 A CN201810471605 A CN 201810471605A CN 108462929 A CN108462929 A CN 108462929A
Authority
CN
China
Prior art keywords
resonant cavity
resonant
loud speaker
cavity
speaker module
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.)
Granted
Application number
CN201810471605.7A
Other languages
Chinese (zh)
Other versions
CN108462929B (en
Inventor
毛林进
范双双
董文强
张凡
李晓龙
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.)
Goertek Inc
Original Assignee
Goertek Inc
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 Goertek Inc filed Critical Goertek Inc
Priority to CN201810471605.7A priority Critical patent/CN108462929B/en
Publication of CN108462929A publication Critical patent/CN108462929A/en
Application granted granted Critical
Publication of CN108462929B publication Critical patent/CN108462929B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

Abstract

The present invention discloses a kind of loud speaker module and electronic equipment, the module includes module casing and loudspeaker monomer, accommodating chamber and multiple resonant cavities are provided in the module casing, the loudspeaker monomer is arranged in the accommodating chamber, and the accommodating chamber is separated into the preceding operatic tunes and the rear operatic tunes, the preceding operatic tunes is connected to by sound mouth with exterior space;At least two resonant cavity serial communications and at least two resonant cavities are arranged in parallel in multiple resonant cavities, one in the resonant cavity of the serial communication is connected to the preceding operatic tunes, the resonant cavity being arranged in parallel is mutually isolated, and is connected to respectively with the preceding operatic tunes.The present invention can improve the sounding effect of loud speaker module by the way that the resonant cavity connected and be arranged in parallel is arranged.

Description

Loud speaker module and electronic equipment
Technical field
The present invention relates to electro-acoustic product technical fields.More particularly, to a kind of loud speaker module and electronic equipment.
Background technology
Loud speaker is the important acoustic element in electronic equipment, is a kind of energy converter electric signal being changed into acoustical signal Part.Existing loud speaker module includes shell, and the acoustical generator monomer being arranged in shell, and acoustical generator monomer is by the appearance in shell Chamber of receiving is separated into the preceding operatic tunes and the rear operatic tunes.The preceding operatic tunes influences the low-frequency range of musical sound little, main influence high band part.
In existing loud speaker module, for the module with side outlet sound mouth, due to going out for its preceding operatic tunes Sound channel is longer, be easy to cause high-frequency resonant, to influence the acoustical behavior of loud speaker module, to solve the above-mentioned problems, leads to Closed resonant cavity is often set on module casing.Resonant cavity is connected to the preceding operatic tunes, to loud speaker module FR (frequency response) There is apparent improvement.
However, existing resonant cavity is single cavity, it is limited to the unicity of intrinsic frequency, which adjusts frequency Limited width, cannot effectively adjust the position of frequency response curve multimodal paddy, and frequency response curve is unsmooth.
Invention content
It is an object of the present invention to provide a kind of new solutions of loud speaker module.
According to the first aspect of the invention, a kind of loud speaker module is provided, which includes module casing and raise one's voice Device monomer, is provided with accommodating chamber and multiple resonant cavities in the module casing, and the loudspeaker monomer is arranged on the appearance It receives intracavitary, and the accommodating chamber is separated into the preceding operatic tunes and the rear operatic tunes, the preceding operatic tunes is connected to by sound mouth with exterior space;
At least two resonant cavity serial communications and at least two resonant cavities are arranged in parallel in multiple resonant cavities, institute One in the resonant cavity of serial communication to be stated to be connected to the preceding operatic tunes, the resonant cavity being arranged in parallel is mutually isolated, and point It is not connected to the preceding operatic tunes.
Preferably, at least one resonant cavity is embedded in another resonant cavity.
Preferably, it may be configured as multilayer nest in the resonant cavity being embedded in another resonant cavity.
Preferably, multiple resonant cavities include the first resonant cavity and the second resonant cavity, first resonant cavity and described The neighbour setting of second resonant cavity, the first communicating passage is provided between first resonant cavity and second resonant cavity, Any one in first resonant cavity and second resonant cavity is provided with the second communicating passage between the preceding operatic tunes.
Preferably, multiple resonant cavities further include third resonant cavity, the third resonant cavity and first resonant cavity, Second resonant cavity is mutually isolated, and third connecting channel is provided between the third resonant cavity and the preceding operatic tunes.
Preferably, multiple resonant cavities further include the 4th resonant cavity, and it is total that the 4th resonant cavity is embedded at the third It shakes intracavitary.
Preferably, the module casing includes upper casing, middle shell and lower casing, and the middle shell includes side wall and by the side wall Accommodating chamber vacancy section made of enclosing and multiple resonant cavity vacancy sections;
The upper casing and lower casing cover respectively to be closed in the upper of the accommodating chamber vacancy section and the multiple resonant cavity vacancy section End and lower end, to be enclosed the accommodating chamber and multiple resonant cavities.
Preferably, the resonant cavity is independently arranged cavity.
Preferably, the resonant cavity is the small cavity isolated by partition board by a large cavity.
According to another aspect of the present invention, a kind of electronic equipment is provided.The electronic equipment includes provided by the invention The loud speaker module.
Beneficial effects of the present invention are as follows:
Multiple resonant cavities are provided in the module casing of loud speaker module of the present invention, the series connection of wherein at least two resonant cavity connects Logical and at least two resonant cavities are arranged in parallel.The resonator system of a coupling is formed in this way, which can either provide The noise resonance band of one wideband, the noise for absorbing more wide-band, and can come by adjusting the volume of multiple resonant cavities, shape Adjust resonance bands range, so that the controllable frequency band range of multiple resonant cavities is expanded, or by adjusting multiple resonant cavity volumes, Shape keeps multiple formants close to each other, this makes the loss of the transmission in setting frequency range that will will produce superposition, such loud speaker mould Group is strengthened in the effect of the absorption noise of setting frequency range.
Description of the drawings
Specific embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows the decomposition diagram of the loud speaker module of one embodiment of the present of invention.
Fig. 2 shows the sectional views of the loud speaker module of one embodiment of the present of invention.
Fig. 3 shows the structural schematic diagram of the module casing that lower casing is not arranged of one embodiment of the present of invention.
Specific implementation mode
In order to illustrate more clearly of the present invention, the present invention is done further with reference to preferred embodiments and drawings It is bright.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that institute is specific below The content of description is illustrative and be not restrictive, and should not be limited the scope of the invention with this.
Fig. 1 is the exploded view of loud speaker module according to an embodiment of the invention, and Fig. 2 is one according to the present invention The structural schematic diagram of the module casing that lower cover and rear cover are not arranged of embodiment, Fig. 3 are according to an embodiment of the invention The sectional view of loud speaker module.
As shown in Figs. 1-3, which includes module casing and loudspeaker monomer.Appearance is provided in module casing It receives chamber and multiple resonant cavities, loudspeaker monomer is arranged in accommodating chamber.The operatic tunes 10 before accommodating chamber is separated by loudspeaker monomer With the rear operatic tunes, the preceding operatic tunes 10 is connected to by sound mouth with exterior space.
At least two resonant cavity serial communications and at least two resonant cavities are arranged in parallel in multiple resonant cavities.Series connection connects One in logical resonant cavity is connected to the preceding operatic tunes 10, and the resonant cavity being arranged in parallel is mutually isolated and connects respectively with the preceding operatic tunes 10 It is logical.Also retain at least one resonant cavity being embedded in another resonant cavity in multiple resonant cavities of the embodiment of the present invention, is embedded Resonant cavity can also be embedded in resonant cavity again, that is to say, that resonant cavity could be provided as the structure of multilayer nest.
Loudspeaker monomer can be moving iron type loud-speaker monomer or coil-moving speaker monomer.Both monomers are ability The common knowledge in domain, does not elaborate herein.
Resonant cavity is closed cavity.Resonant cavity serial communication refers to that multiple resonant cavities are sequentially connected to one by one, in resonant cavity Between form the first communicating passage 23, one of resonant cavity is connected to by the second communicating passage 24 with the preceding operatic tunes 10.It is multiple It refers to mutually isolated not unicom between multiple resonant cavities that resonant cavity, which is arranged in parallel, and each resonant cavity is respectively connected to the preceding operatic tunes 10. The resonant cavity of nesting setting is only connected to the resonant cavity on the outside of it.
Resonant cavity can be independently arranged airtight cavity.Can also be isolated by partition board by a large cavity it is small Cavity, this mode make the making of resonant cavity become simple, and module casing is compact-sized.
Resonant cavity shape can be, but not limited to, cuboid, sphere, cone etc., can also be those skilled in the art's root The cavity with irregular structure designed according to the shape of equipment reserved space to be installed.
In embodiments of the present invention, multiple resonant cavities are provided in module casing.At least two in multiple resonant cavities Resonant cavity serial communication, and one of resonant cavity is connected to the preceding operatic tunes 10.The sound incident in sounding of loudspeaker monomer 21 Pressure pushes the air movement in the first communicating passage 23, and compresses the gas in most inner side resonant cavity, at the same time, also increases Air pressure in resonant cavity forms the resonator system of a coupling in this way.Multiple resonant cavities are cascaded, and are capable of providing one wide The noise resonance band of frequency, can absorb the noise of more wide-band in this way.In this way, multiple resonant cavities of serial communication The sounding effect of loud speaker module can be improved.Further include in multiple resonant cavities of the present embodiment at least two be arranged in parallel be total to Shake chamber, and the resonant cavity being arranged in parallel can generate the formant at multiple resonant frequencies.By adjusting multiple resonant cavities Volume, shape adjust the range of resonance bands, so that the controllable frequency band range of multiple resonant cavities is expanded;Either, pass through Adjust multiple resonant cavity volumes, shape keeps multiple formants close to each other, this make the transmission in setting frequency range loss will produce Raw superposition, such loud speaker module will be strengthened in the effect of the absorption noise of setting frequency range.Multiple resonance of the present embodiment Further include at least one embedding resonant cavity being set in another outside resonant cavity in chamber, the resonant cavity in outside can be that series connection connects Logical resonant cavity, can also be the resonant cavity being arranged in parallel, and those skilled in the art can select as needed.Inside is embedding It covers and is connected to inside the resonant cavity of setting and the resonant cavity in outside, it is total that the resonant cavity that nesting is arranged can not only reach serial or parallel connection It shakes the effect of chamber, and since nested setting can also reduce the volume of loud speaker module, adapts to becoming for electronics miniaturization Gesture.
In one embodiment, as shown in Figs. 1-3, module casing includes upper casing 11, middle shell 12 and lower casing 13.Middle shell 12 Accommodating chamber vacancy section made of being enclosed including side wall and by side wall and multiple resonant cavity vacancy sections.Upper casing 11 and lower casing 13 are distinguished Lid is closed in accommodating chamber vacancy section and the top and bottom of resonant cavity vacancy section, to be enclosed accommodating chamber and multiple resonance Chamber.
The connection being provided on side wall for being connected between resonant cavity and the preceding operatic tunes and resonant cavity and resonant cavity is logical Road.
It should be noted that being oriented parallel to the direction of vibration of the vibrating diaphragm of loudspeaker monomer 21 above and below.Loudspeaker monomer will Accommodating chamber is divided into the preceding operatic tunes 10 and the rear operatic tunes.
For example, upper casing 11 and lower casing 13 are in flat structure.Lower casing 13 is made by metal material, to reduce module shell The thickness of body.Also, the heat dissipation performance of metal material is good.Magnetic conductive board 22 is embedded on lower casing 13.21 quilt of loudspeaker monomer It is fixed on magnetic conductive board 24, wherein the magnetic circuit system of loudspeaker monomer 21 is close to magnetic conductive board 22.
In this way, the making of module casing becomes easy.It is noted for example, upper casing 11, middle shell 12 are used by TPU materials Molding mode is moulded to be made.Lower casing 13 is made by sheet metal by stamping forming mode.
In addition, middle shell 12 is the structure of hollow out.In integrated injection molding, mold need not use sliding block, to reduce The injection molding difficulty of middle shell 12.
In addition, the installation of loudspeaker monomer 21 becomes easy.It is engraved for example, loudspeaker monomer 21 is directly mounted to accommodating chamber In dead zone.The vibrating diaphragm of loudspeaker monomer 21 is opposite with upper casing 11.Space between vibrating diaphragm and upper casing 11 be the preceding operatic tunes 10 at least A part.The magnetic circuit system of loudspeaker monomer 21 is bonded and fixed on magnetic conductive board 22.
Optionally, it is linked together using ultrasonic welding between upper casing 11 and middle shell 12.Ultrasonic welding has speed of welding Soon, the characteristics of being connected firmly.For example, upper casing 11 and middle shell 12 are TPU materials.Upper casing 11 is welded to by middle shell using ultrasonic welding 12 upper end.
Optionally, the rear operatic tunes is located at the side of the preceding operatic tunes 10.The height of module casing can be reduced in this way.Art technology Personnel are it should be understood that side refers to along the side of the extended surface of the preceding operatic tunes.
In one embodiment of the present of invention as shown in figures 1 and 3, multiple resonant cavities of loud speaker module include first total Shake chamber 14, the second resonant cavity 15, third resonant cavity 16 and the 4th resonant cavity 17.Near first resonant cavity 14 and the second resonant cavity 15 Setting, is provided with the first communicating passage 23, the first resonant cavity 14 passes through second between the first resonant cavity 14 and the second resonant cavity 15 Communicating passage 24 is connected to the preceding operatic tunes 10, i.e. 15 serial communication of the first resonant cavity 14 and the second resonant cavity.Third resonant cavity 16 divides It is not isolated with the first resonant cavity 14 and the second resonant cavity 15, and is connected to the preceding operatic tunes 10 by third connecting channel 25, is i.e. third Resonant cavity 16 is arranged in parallel with the first resonant cavity 14, the second resonant cavity 15.4th resonant cavity 17 is embedding to be set on third resonant cavity In 16, the 4th resonant cavity 17 is connected to the inside of third resonant cavity 16.
When loud speaker module works, the incident acoustic pressure of loudspeaker monomer 21 pushes the air fortune in the second communicating passage 24 It is dynamic, and at the same time the gas compressed in the first resonant cavity 14 also increases the second resonant cavity 15 by the first communicating passage 23 Interior air pressure.Meanwhile the acoustic pressure of 21 incidence of loudspeaker monomer pushes the air movement in third connecting logical all 25, and compress third At the same time gas in resonant cavity 16 also adds the air pressure in the 4th resonant cavity 17.The resonance of a coupling is formed in this way System, single resonant cavity are only capable of forming a resonance peak, and four resonant cavities will form resonance peak in four frequencies.The present invention's Resonator system can not only provide the noise resonance band of a wideband, can absorb the noise of more wide-band, and by adjusting the One resonant cavity 14, the second resonant cavity 15, the volume of third resonant cavity 16 and the 4th resonant cavity 17, shape adjust resonance bands Range can be such that the controllable frequency band range of four resonant cavities expands;Either, it resonates by adjusting the first resonant cavity 14, second Chamber 15, the volume of third resonant cavity 16 and the 4th resonant cavity 17, shape keep four formants close to each other, this makes setting frequency range On transmission loss will will produce superposition, such loud speaker module is strengthened in the effect of the absorption noise of setting frequency range.This Outside, due to the 17 embedding inside for being set on third resonant cavity 16 of the 4th resonant cavity, the volume of loud speaker module can be effectively reduced, it is suitable The development trend that electronic equipment is lightening, minimizes is answered.
The quantity of resonance peak is corresponding with the quantity of resonant cavity, and the number of resonant cavity can be arranged according to the bandwidth range of noise Amount, to absorb the noise of more wide-band;Or the transmission loss in setting frequency range is superimposed.
According to another embodiment of the invention, a kind of electronic equipment is provided.Electronic equipment can be, but not limited to, Mobile phone, tablet computer, smartwatch, game machine, laptop, intercom, earphone etc..The electronic equipment is carried including the present invention The loud speaker module of confession.The electronic equipment has noise small, the good feature of sound effect.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair The restriction of embodiments of the present invention may be used also on the basis of the above description for those of ordinary skill in the art To make other variations or changes in different ways, all embodiments can not be exhaustive here, it is every to belong to this hair Row of the obvious changes or variations that bright technical solution is extended out still in protection scope of the present invention.

Claims (10)

1. a kind of loud speaker module, which is characterized in that including module casing and loudspeaker monomer, be arranged in the module casing There are accommodating chamber and multiple resonant cavities, the loudspeaker monomer to be arranged in the accommodating chamber, and the accommodating chamber is separated into The preceding operatic tunes and the rear operatic tunes, the preceding operatic tunes are connected to by sound mouth with exterior space;
At least two resonant cavity serial communications and at least two resonant cavities are arranged in parallel in multiple resonant cavities, the string Join connection resonant cavity in one be connected to the preceding operatic tunes, the resonant cavity being arranged in parallel is mutually isolated, and respectively with The preceding operatic tunes connection.
2. loud speaker module according to claim 1, which is characterized in that at least one resonant cavity is embedded at another institute It states in resonant cavity.
3. loud speaker module according to claim 2, which is characterized in that the resonant cavity being embedded in another resonant cavity It inside may be configured as multilayer nest.
4. loud speaker module according to claim 2, which is characterized in that multiple resonant cavities include the first resonant cavity and The neighbour setting of second resonant cavity, first resonant cavity and second resonant cavity, in first resonant cavity and described second The first communicating passage is provided between resonant cavity, any one in first resonant cavity and second resonant cavity and institute Before stating the second communicating passage is provided between the operatic tunes.
5. loud speaker module according to claim 4, which is characterized in that multiple resonant cavities further include third resonance Chamber, the third resonant cavity and first resonant cavity, the second resonant cavity are mutually isolated, the third resonant cavity and the preceding sound Third connecting channel is provided between chamber.
6. loud speaker module according to claim 5, which is characterized in that multiple resonant cavities further include the 4th resonance Chamber, the 4th resonant cavity are embedded in the third resonant cavity.
7. loud speaker module according to claim 1, which is characterized in that the module casing include upper casing, middle shell and under Shell, accommodating chamber vacancy section and multiple resonant cavity vacancy sections made of the middle shell includes side wall and enclosed by the side wall;
The upper casing and lower casing cover respectively conjunction in the upper end of the accommodating chamber vacancy section and the multiple resonant cavity vacancy section and Lower end, to be enclosed the accommodating chamber and multiple resonant cavities.
8. loud speaker module according to claim 1, which is characterized in that the resonant cavity is independently arranged cavity.
9. loud speaker module according to claim 1, which is characterized in that the resonant cavity be by a large cavity by every The small cavity that plate isolates.
10. a kind of electronic equipment, which is characterized in that include the loud speaker module as described in any one in claim 1-9.
CN201810471605.7A 2018-05-17 2018-05-17 Speaker module and electronic equipment Active CN108462929B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810471605.7A CN108462929B (en) 2018-05-17 2018-05-17 Speaker module and electronic equipment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810471605.7A CN108462929B (en) 2018-05-17 2018-05-17 Speaker module and electronic equipment
PCT/CN2018/122026 WO2019218667A1 (en) 2018-05-17 2018-12-19 Loudspeaker module and electronic device

Publications (2)

Publication Number Publication Date
CN108462929A true CN108462929A (en) 2018-08-28
CN108462929B CN108462929B (en) 2020-10-20

Family

ID=63215427

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810471605.7A Active CN108462929B (en) 2018-05-17 2018-05-17 Speaker module and electronic equipment

Country Status (2)

Country Link
CN (1) CN108462929B (en)
WO (1) WO2019218667A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109874067A (en) * 2018-12-30 2019-06-11 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN109936791A (en) * 2019-02-15 2019-06-25 安克创新科技股份有限公司 Earphone
WO2019218667A1 (en) * 2018-05-17 2019-11-21 歌尔股份有限公司 Loudspeaker module and electronic device
WO2020125619A1 (en) * 2018-12-17 2020-06-25 歌尔股份有限公司 Acoustic device and electronic apparatus
WO2020125633A1 (en) * 2018-12-17 2020-06-25 歌尔股份有限公司 Acoustic device and electronic apparatus
WO2020258787A1 (en) * 2019-06-27 2020-12-30 歌尔股份有限公司 Acoustic apparatus and electronic device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103391499A (en) * 2013-07-24 2013-11-13 歌尔声学股份有限公司 Loudspeaker module and manufacturing method thereof
US20170055069A1 (en) * 2015-08-18 2017-02-23 Samsung Electronics Co., Ltd. Loudspeaker
CN107318073A (en) * 2017-07-28 2017-11-03 歌尔股份有限公司 Loudspeaker module and electronic equipment
CN107371107A (en) * 2017-07-28 2017-11-21 歌尔股份有限公司 Loudspeaker module and electronic equipment
CN107371106A (en) * 2017-07-04 2017-11-21 瑞声科技(新加坡)有限公司 Loudspeaker enclosure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108462929B (en) * 2018-05-17 2020-10-20 歌尔股份有限公司 Speaker module and electronic equipment
CN208112944U (en) * 2018-05-17 2018-11-16 歌尔股份有限公司 Loudspeaker mould group and electronic equipment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103391499A (en) * 2013-07-24 2013-11-13 歌尔声学股份有限公司 Loudspeaker module and manufacturing method thereof
US20170055069A1 (en) * 2015-08-18 2017-02-23 Samsung Electronics Co., Ltd. Loudspeaker
CN107371106A (en) * 2017-07-04 2017-11-21 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
CN107318073A (en) * 2017-07-28 2017-11-03 歌尔股份有限公司 Loudspeaker module and electronic equipment
CN107371107A (en) * 2017-07-28 2017-11-21 歌尔股份有限公司 Loudspeaker module and electronic equipment

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019218667A1 (en) * 2018-05-17 2019-11-21 歌尔股份有限公司 Loudspeaker module and electronic device
WO2020125619A1 (en) * 2018-12-17 2020-06-25 歌尔股份有限公司 Acoustic device and electronic apparatus
WO2020125633A1 (en) * 2018-12-17 2020-06-25 歌尔股份有限公司 Acoustic device and electronic apparatus
CN109874067A (en) * 2018-12-30 2019-06-11 瑞声科技(新加坡)有限公司 Loudspeaker enclosure
WO2020140540A1 (en) * 2018-12-30 2020-07-09 瑞声声学科技(深圳)有限公司 Speaker box
US11109159B2 (en) 2018-12-30 2021-08-31 AAC Technologies Pte. Ltd. Speaker box
CN109936791A (en) * 2019-02-15 2019-06-25 安克创新科技股份有限公司 Earphone
CN109936791B (en) * 2019-02-15 2021-07-27 安克创新科技股份有限公司 Earphone set
WO2020258787A1 (en) * 2019-06-27 2020-12-30 歌尔股份有限公司 Acoustic apparatus and electronic device

Also Published As

Publication number Publication date
WO2019218667A1 (en) 2019-11-21
CN108462929B (en) 2020-10-20

Similar Documents

Publication Publication Date Title
CN108462929A (en) Loud speaker module and electronic equipment
CN208112944U (en) Loudspeaker mould group and electronic equipment
CN107318073A (en) Loudspeaker module and electronic equipment
CN207070332U (en) Loudspeaker module and electronic equipment
CN209299516U (en) A kind of loudspeaker mould group and electronic equipment
CN107343247A (en) Loudspeaker enclosure
CN107371107A (en) Loudspeaker module and electronic equipment
CN207070330U (en) Loudspeaker module and electronic equipment
CN206585698U (en) Loudspeaker enclosure
US10764664B2 (en) Speaker box
CN108551635B (en) Micro speaker module
US20190132669A1 (en) Speaker Box
US10750274B2 (en) Speaker box
CN109874067A (en) Loudspeaker enclosure
CN1997054A (en) Structure of mobile phone sound box
CN107547974A (en) Loudspeaker enclosure
CN207531068U (en) Loudspeaker enclosure
CN207304902U (en) Loudspeaker module and electronic equipment
CN209201314U (en) Loudspeaker enclosure
CN110248275A (en) Half loudspeaker mould group and electronic equipment
CN207531064U (en) Loudspeaker enclosure
CN207124749U (en) Loudspeaker module and electronic equipment
US20200045407A1 (en) Speaker box
CN208638564U (en) Loudspeaker enclosure
CN208971757U (en) A kind of earphone

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant