CN107147978A - One kind frequency dividing loudspeaker - Google Patents
One kind frequency dividing loudspeaker Download PDFInfo
- Publication number
- CN107147978A CN107147978A CN201710379878.4A CN201710379878A CN107147978A CN 107147978 A CN107147978 A CN 107147978A CN 201710379878 A CN201710379878 A CN 201710379878A CN 107147978 A CN107147978 A CN 107147978A
- Authority
- CN
- China
- Prior art keywords
- magnet
- cavity
- washer
- voice coil
- protecgulum
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/11—Aspects regarding the frame of loudspeaker transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The present invention discloses a kind of frequency dividing loudspeaker, substrate is arranged on above magnet frame, the bottom of magnet frame is provided with the first cavity, the first magnet and the first washer are placed with first cavity of magnet frame, first magnet and the first washer are up-down structure, and the first voice coil loudspeaker voice coil is socketed in the periphery of the first magnet and the first washer, and the first vibrating diaphragm is arranged at the opening of the first cavity of magnet frame, first vibrating diaphragm is loop configuration, and the middle part of the first vibrating diaphragm is hollow structure；Second cavity is arranged at the bottom that protecgulum is set, the second magnet and the second washer are placed with second cavity, second magnet and the second washer are up-down structure, and the second voice coil loudspeaker voice coil is socketed in the periphery of the second magnet and the second washer, and the second vibrating diaphragm is arranged at the opening of the second cavity of protecgulum.Compared with prior art, the frequency dividing loudspeaker that provide of the present invention, can output low frequency and high-frequency sound effect simultaneously, sound is more had a sense of hierarchy, have the advantages that high pitch is clear, bass is plentiful.
Description
Technical field
The present invention relates to earphone field of audio, exactly refer to a kind of frequency dividing loudspeaker.
Background technology
Existing loudspeaker are typically set to a magnet and are fitted in inside loudspeaker cavity, in conjunction with a vibrating membrane on magnetic circuit
Side, is loaded on protecting cover to protect vibrating membrane.The shortcoming of present technology：Because existing horn vibration film is designed in a diaphragm
On, loudspeaker inner chamber only has single magnetic and single-tone circle to drive sound, it is impossible to which low, the high frequency in music are distinguished well, so that
It has impact on the quality that loudspeaker export sound, it is impossible to while output low frequency and high frequency musical portions well, sound is dynamically poor, do not have
Stereovision, has bass effect just without high pitch, has high frequency range to lose bass part.
The content of the invention
For drawbacks described above, present invention solves the technical problem that being to provide a kind of frequency dividing loudspeaker, it can export low simultaneously
Frequency and high-frequency sound effect, make sound more have a sense of hierarchy, and have the advantages that high pitch is clear, bass is plentiful.
In order to solve the technical problem of the above, the frequency dividing loudspeaker that the present invention is provided, including substrate, magnet frame, the first magnet, the
One washer, the first voice coil loudspeaker voice coil, the first vibrating diaphragm, protecgulum, the second magnet, the second washer, the second voice coil loudspeaker voice coil, the second vibrating diaphragm and protecting cover, wherein：
The substrate is arranged on above the magnet frame, and the bottom of the magnet frame is provided with the first cavity, the of the magnet frame
First magnet and first washer are placed with one cavity, first magnet and first washer are knot up and down
Structure, first voice coil loudspeaker voice coil is socketed in the periphery of first magnet and first washer, and first vibrating diaphragm is arranged on described
At the opening of first cavity of magnet frame, first vibrating diaphragm is loop configuration, and the middle part of first vibrating diaphragm is hollow structure；
The bottom that the protecgulum is set, which has, is placed with second magnet and described the in the second cavity, second cavity
Two washers, second magnet and second washer be up-down structure, second voice coil loudspeaker voice coil be socketed in second magnet and
The periphery of second washer, second vibrating diaphragm is arranged at the opening of the second cavity of the protecgulum；
The top of the protecgulum is provided with the 3rd cavity, and the top of the protecgulum and the bottom of the magnet frame are covered one
Rise；
The protecting cover covers the bottom in the protecgulum.
Preferably, first vibrating diaphragm includes primary diaphragm inner ring, primary diaphragm outer shroud and primary diaphragm, first film
Piece inner ring is connected with first washer, and the primary diaphragm outer shroud is arranged on the inside edge of the first cavity of the magnet frame,
The primary diaphragm is covered in the region between the primary diaphragm inner ring and the primary diaphragm outer shroud, the primary diaphragm with
The first voice coil loudspeaker voice coil connection.
Preferably, second vibrating diaphragm includes secondary diaphragm outer shroud and secondary diaphragm, and the secondary diaphragm outer shroud is arranged on
The inside edge of second cavity of the protecgulum, the secondary diaphragm covers the region in the secondary diaphragm outer shroud, and described the
Two diaphragms are connected with second voice coil loudspeaker voice coil.
Preferably, the first cavity of the magnet frame is circular cavity, and the second cavity of the protecgulum is circular cavity, described
First cavity, second cavity, first magnet, the second magnet, the center of circle of the first washer and the second washer are overlapped one
Rise.
Preferably, the diameter of the first cavity of the magnet frame is more than the diameter of first magnet and the first washer, so that
Make to form an annular gap between first magnet and the first washer and the first cavity of the magnet frame.
Preferably, first voice coil loudspeaker voice coil be arranged on first magnet, the first washer and the magnet frame the first cavity it
Between annular gap in.
Preferably, the diameter of the second cavity of the protecgulum is more than the diameter of second magnet and the second washer, so that
Make to form an annular gap between second magnet and the second washer and the second cavity of the protecgulum.
Preferably, second voice coil loudspeaker voice coil be arranged on second magnet, the second washer and the protecgulum the second cavity it
Between annular gap in.
Preferably, the protecgulum is provided with multiple low frequency air-flows and goes out sound aperture, and the protecting cover is provided with a high-frequency air flow
Mesopore, it is same direction that the low frequency air-flow of the protecgulum, which goes out sound aperture and the high-frequency air flow mesopore of the protecting cover,.
The frequency dividing loudspeaker that the present invention is provided, substrate is arranged on above magnet frame, and the bottom of magnet frame is provided with the first cavity, magnet frame
The first cavity in be placed with the first magnet and the first washer, the first magnet and the first washer are up-down structure, the first voice coil loudspeaker voice coil set
The periphery of the first magnet and the first washer is connected on, the first vibrating diaphragm is arranged at the opening of the first cavity of magnet frame, the first vibrating diaphragm is
Loop configuration, the middle part of the first vibrating diaphragm is hollow structure；The bottom that protecgulum is set, which has, is placed with the in the second cavity, the second cavity
Two magnet and the second washer, the second magnet and the second washer are up-down structure, and the second voice coil loudspeaker voice coil is socketed in the second magnet and the second China
The periphery of department, the second vibrating diaphragm is arranged at the opening of the second cavity of protecgulum.The vibrating diaphragm of loudspeaker is one-to-two, by low frequency and high frequency
Between vibrating diaphragm be separated into two parts, the second voice coil loudspeaker voice coil inner circle part is used as high-frequency VIBRATION DESIGN, the part conduct of the first voice coil loudspeaker voice coil periphery
Low-frequency vibration is designed, and the first vibrating diaphragm part is arranged under the magnetic circuit of loudspeaker magnet frame, and the second vibrating diaphragm is arranged among speaker front cover,
Double magnetic and the driving of double acting circle are designed with one loudspeaker simultaneously.Compared with prior art, the frequency dividing loudspeaker that the present invention is provided, vibration
Sound film is separated into the first vibrating diaphragm and the second vibrating diaphragm, and the first vibrating diaphragm and the second vibrating diaphragm correspond to low frequency vibrating diaphragm and high-frequency diaphragm two respectively
Part, set double acting circle and double magnetic to drive low frequency vibrating diaphragm and high-frequency diaphragm, can be made with synchronism output low frequency and high frequency music effect
Sound more has a sense of hierarchy, and has the advantages that high pitch is clear, bass is plentiful.
Brief description of the drawings
Fig. 1 is that the embodiment of the present invention includes dividing the Headphone structure schematic diagram of loudspeaker；
Fig. 2 is the decomposition chart of frequency dividing loudspeaker in the embodiment of the present invention.
Embodiment
In order to which those skilled in the art better understood when technical scheme provided by the present invention, with reference to specific
Embodiment is illustrated.
Fig. 1-Fig. 2 is referred to, Fig. 1 is that the embodiment of the present invention includes dividing the Headphone structure schematic diagram of loudspeaker；Fig. 2 is this
The decomposition chart of loudspeaker is divided in inventive embodiments.
The frequency dividing loudspeaker that the present embodiment is provided, including substrate S101, magnet frame S102, the first magnet S103, the first washer
S104, the first voice coil loudspeaker voice coil S105, the first vibrating diaphragm M100, protecgulum S109, the second magnet S110, the second washer S111, the second voice coil loudspeaker voice coil
S112, the second vibrating diaphragm M200 and protecting cover S115, wherein：
Substrate S101 is arranged on above magnet frame S102, and magnet frame S102 bottom is provided with the first cavity S116, magnet frame S102
The first cavity S116 in be placed with the first magnet S103 and the first washer S104, the first magnet S103 and the first washer S104 is
Up-down structure, the first voice coil loudspeaker voice coil S105 is socketed in the first magnet S103 and the first washer S104 periphery, and the first vibrating diaphragm M100 is set
At magnet frame S102 the first cavity S116 opening, the first vibrating diaphragm M100 is loop configuration, and the first vibrating diaphragm M100 middle part is
Hollow structure；
The bottom that protecgulum S109 is set, which has, is placed with the second magnet S110 and the in the second cavity S117, the second cavity S117
Two washer S111, the second magnet S110 and the second washer S111 are up-down structure, and the second voice coil loudspeaker voice coil S112 is socketed in the second magnet
S110 and the second washer S111 periphery, the second vibrating diaphragm M200 are arranged at protecgulum S109 the second cavity S117 opening；
Protecgulum S109 top is provided with the 3rd cavity S118, and protecgulum S109 top is covered with magnet frame S102 bottom
Together；
Protecting cover S115 covers the bottom in protecgulum S109.
First vibrating diaphragm M100 includes primary diaphragm S108 inner ring S106, primary diaphragm S108 outer shrouds S107 and primary diaphragm
S108, primary diaphragm S108 inner ring S106 is connected with the first washer S104, and primary diaphragm S108 outer shrouds S107 is arranged on magnet frame
S102 the first cavity S116 inside edge, primary diaphragm S108 is covered in primary diaphragm S108 inner ring S106 and primary diaphragm
Region between S108 outer shrouds S107, primary diaphragm S108 is connected with the first voice coil loudspeaker voice coil S105.
Second vibrating diaphragm M200 includes secondary diaphragm S114 outer shrouds and secondary diaphragm S114, and secondary diaphragm S114 outer shrouds are arranged on
Region in protecgulum S109 the second cavity S117 inside edge, secondary diaphragm S114 covering secondary diaphragm S114 outer shrouds, the
Two diaphragm S114 are connected with the second voice coil loudspeaker voice coil S112.
Magnet frame S102 the first cavity S116 is circular cavity, and protecgulum S109 the second cavity S117 is circular cavity, the
One cavity S116, the second cavity S117, the first magnet S103, the second magnet S110, the first washer S104 and the second washer S111
The center of circle coincide together.
Magnet frame S102 the first cavity S116 diameter is more than the first magnet S103 and the first washer S104 diameter, so that
Make to form an annular gap between the first magnet S103 and the first washer S104 and magnet frame S102 the first cavity S116.First
Voice coil loudspeaker voice coil S105 is arranged on the annular gap between the first magnet S103, the first washer S104 and magnet frame S102 the first cavity S116
It is interior.
Protecgulum S109 the second cavity S117 diameter is more than the second magnet S110 and the second washer S111 diameter, so that
Make to form an annular gap between the second magnet S110 and the second washer S111 and protecgulum S109 the second cavity S117.Second
Voice coil loudspeaker voice coil S112 is arranged on the annular gap between the second magnet S110, the second washer S111 and protecgulum S109 the second cavity S117
It is interior.
Protecgulum S109 is provided with multiple low frequency air-flows and goes out sound aperture, and protecting cover S115 is provided with a high-frequency air flow mesopore, preceding
It is same direction that lid S109 low frequency air-flow, which goes out sound aperture and protecting cover S115 high-frequency air flow mesopore, keeps low frequency and high-frequency synchronous
Output.
Fig. 1 is referred to, frequency dividing loudspeaker are mounted in shell for earphone.Divide loudspeaker and be arranged on fixed close inside earphone ante-chamber R502
Seal, then earphone back cavity R501 is closed into assembling and form a sound chamber, earphone back cavity R501 is provided with operatic tunes emission quotas.Earphone
Ante-chamber S502 is provided with a sound mouth H500 to combine the airflow exits of frequency dividing loudspeaker, and the protecgulum S109 of frequency dividing loudspeaker is just faced
To earphone ante-chamber R502 stepped locations, the protecgulum S109 of frequency dividing loudspeaker is provided with airflow hole, and the air-flow of airflow hole flows into earphone
Ante-chamber R502 sound mouth H500's goes out sound direction.The shell for earphone of the figure is an auris dextra earphone, can be positioned over the right side of human ear
Used in ear.
First vibrating diaphragm M100 mid portions, i.e. after the corresponding parts of the first voice coil loudspeaker voice coil S105 are cut off, just lose high frequency vibrating
Dynamic part, only has low-frequency vibration frequency obtained from.Second vibrating diaphragm M200 does not have low-frequency vibration part, so as to there was only high frequency
Vibration frequency.Substrate S101 is used for connecting voice coil loudspeaker voice coil wire.First magnet S103 and the second magnet S110 play magnetic conduction.First China
Department S104 and the second washer S111 is fitted in magnetizing field guide effect on magnet.First voice coil loudspeaker voice coil S105 and the second voice coil loudspeaker voice coil S112 are led
After electricity, vibrating membrane effect is driven within magnetic field.
The vibrating diaphragm for dividing loudspeaker is one-to-two, and vibrating diaphragm between low frequency and high frequency is separated into two parts, the second voice coil loudspeaker voice coil S112
Inner circle part is designed as high-frequency VIBRATION DESIGN, the first voice coil loudspeaker voice coil S105 peripheries part as low-frequency vibration, the first vibrating diaphragm M100
Part is arranged under magnet frame S102 magnetic circuit, and the second vibrating diaphragm M200 is arranged among protecgulum S109, is set simultaneously in a loudspeaker
Driven in respect of double magnetic and double acting circle.
Compared with prior art, the frequency dividing loudspeaker that the present invention is provided, vibration sound film is separated into the first vibrating diaphragm and the second vibrating diaphragm,
First vibrating diaphragm and the second vibrating diaphragm correspond to low frequency vibrating diaphragm and the part of high-frequency diaphragm two respectively, set double acting circle and double magnetic to drive low frequency
Vibrating diaphragm and high-frequency diaphragm, can be such that sound more has a sense of hierarchy with synchronism output low frequency and high frequency music effect, with high pitch it is clear,
The plentiful advantage of bass.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (9)
1. one kind frequency dividing loudspeaker, it is characterised in that shaken including substrate, magnet frame, the first magnet, the first washer, the first voice coil loudspeaker voice coil, first
Film, protecgulum, the second magnet, the second washer, the second voice coil loudspeaker voice coil, the second vibrating diaphragm and protecting cover, wherein：
The substrate is arranged on above the magnet frame, and the bottom of the magnet frame is provided with the first cavity, and the first of the magnet frame is empty
Intracavitary is placed with first magnet and first washer, and first magnet and first washer are up-down structure, institute
The periphery that the first voice coil loudspeaker voice coil is socketed in first magnet and first washer is stated, first vibrating diaphragm is arranged on the magnet frame
At the opening of first cavity, first vibrating diaphragm is loop configuration, and the middle part of first vibrating diaphragm is hollow structure；
The bottom that the protecgulum is set, which has, is placed with second magnet and second China in the second cavity, second cavity
Department, second magnet and second washer are up-down structure, and second voice coil loudspeaker voice coil is socketed in second magnet and described
The periphery of second washer, second vibrating diaphragm is arranged at the opening of the second cavity of the protecgulum；
The top of the protecgulum is provided with the 3rd cavity, and the top of the protecgulum and the lower cover of the magnet frame are combined；
The protecting cover covers the bottom in the protecgulum.
2. frequency dividing loudspeaker according to claim 1, it is characterised in that first vibrating diaphragm includes primary diaphragm inner ring, the
One diaphragm outer shroud and primary diaphragm, the primary diaphragm inner ring are connected with first washer, and the primary diaphragm outer shroud is set
In the inside edge of the first cavity of the magnet frame, the primary diaphragm is covered in the primary diaphragm inner ring and first film
Region between piece outer shroud, the primary diaphragm is connected with first voice coil loudspeaker voice coil.
3. frequency dividing loudspeaker according to claim 1, it is characterised in that second vibrating diaphragm includes secondary diaphragm outer shroud and the
Two diaphragms, the secondary diaphragm outer shroud is arranged on the inside edge of the second cavity of the protecgulum, and the secondary diaphragm covers institute
The region in secondary diaphragm outer shroud is stated, the secondary diaphragm is connected with second voice coil loudspeaker voice coil.
4. frequency dividing loudspeaker according to claim 1, it is characterised in that the first cavity of the magnet frame is circular cavity, institute
The second cavity for stating protecgulum is circular cavity, first cavity, second cavity, first magnet, the second magnet, the
The center of circle of one washer and the second washer coincides together.
5. frequency dividing loudspeaker according to claim 4, it is characterised in that the diameter of the first cavity of the magnet frame is more than described
The diameter of first magnet and the first washer, so that between the first cavity of first magnet and the first washer and the magnet frame
Form an annular gap.
6. frequency dividing loudspeaker according to claim 5, it is characterised in that first voice coil loudspeaker voice coil be arranged on first magnet,
In annular gap between first washer and the first cavity of the magnet frame.
7. frequency dividing loudspeaker according to claim 4, it is characterised in that the diameter of the second cavity of the protecgulum is more than described
The diameter of second magnet and the second washer, so that between the second cavity of second magnet and the second washer and the protecgulum
Form an annular gap.
8. frequency dividing loudspeaker according to claim 7, it is characterised in that second voice coil loudspeaker voice coil be arranged on second magnet,
In annular gap between second washer and the second cavity of the protecgulum.
9. frequency dividing loudspeaker according to claim 1, it is characterised in that the protecgulum is provided with multiple low frequency air-flows, and to go out sound small
Hole, the protecting cover is provided with a high-frequency air flow mesopore, and the low frequency air-flow of the protecgulum goes out the high frequency of sound aperture and the protecting cover
Air-flow mesopore is same direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379878.4A CN107147978A (en) | 2017-05-25 | 2017-05-25 | One kind frequency dividing loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710379878.4A CN107147978A (en) | 2017-05-25 | 2017-05-25 | One kind frequency dividing loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107147978A true CN107147978A (en) | 2017-09-08 |
Family
ID=59780026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710379878.4A Pending CN107147978A (en) | 2017-05-25 | 2017-05-25 | One kind frequency dividing loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107147978A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111164989A (en) * | 2017-11-20 | 2020-05-15 | 宝星甲子股份有限公司 | Hybrid speaker |
| WO2020156137A1 (en) * | 2019-01-28 | 2020-08-06 | 维沃移动通信有限公司 | Earphone structure and terminal |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070154057A1 (en) * | 2005-12-26 | 2007-07-05 | Pioneer Corporation | Speaker device |
| CN201222802Y (en) * | 2008-07-01 | 2009-04-15 | 英属维京群岛商上得国际股份有限公司 | Coaxial horn for earphone |
| CN104219594A (en) * | 2014-08-20 | 2014-12-17 | 中山市天键电声有限公司 | Headset with acoustical structure of dual-coil unit speakers |
| CN104902406A (en) * | 2015-05-07 | 2015-09-09 | 珠海市源声电子有限公司 | Coaxial same-phase double moving coil unit loudspeaker |
| US20160212521A1 (en) * | 2015-01-16 | 2016-07-21 | Jetvox Acoustic Corp. | Dual-frequency coaxial headphone |
| CN206759721U (en) * | 2017-05-25 | 2017-12-15 | 东莞合律美电子科技有限公司 | One kind frequency dividing loudspeaker |
-
2017
- 2017-05-25 CN CN201710379878.4A patent/CN107147978A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070154057A1 (en) * | 2005-12-26 | 2007-07-05 | Pioneer Corporation | Speaker device |
| CN201222802Y (en) * | 2008-07-01 | 2009-04-15 | 英属维京群岛商上得国际股份有限公司 | Coaxial horn for earphone |
| CN104219594A (en) * | 2014-08-20 | 2014-12-17 | 中山市天键电声有限公司 | Headset with acoustical structure of dual-coil unit speakers |
| US20160212521A1 (en) * | 2015-01-16 | 2016-07-21 | Jetvox Acoustic Corp. | Dual-frequency coaxial headphone |
| CN104902406A (en) * | 2015-05-07 | 2015-09-09 | 珠海市源声电子有限公司 | Coaxial same-phase double moving coil unit loudspeaker |
| CN206759721U (en) * | 2017-05-25 | 2017-12-15 | 东莞合律美电子科技有限公司 | One kind frequency dividing loudspeaker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111164989A (en) * | 2017-11-20 | 2020-05-15 | 宝星甲子股份有限公司 | Hybrid speaker |
| CN111164989B (en) * | 2017-11-20 | 2021-08-20 | 宝星甲子股份有限公司 | Hybrid speaker |
| WO2020156137A1 (en) * | 2019-01-28 | 2020-08-06 | 维沃移动通信有限公司 | Earphone structure and terminal |
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Application publication date: 20170908 |
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