CN108574918A - One kind two divides twin magnetic circuit speaker - Google Patents
One kind two divides twin magnetic circuit speaker Download PDFInfo
- Publication number
- CN108574918A CN108574918A CN201810796990.2A CN201810796990A CN108574918A CN 108574918 A CN108574918 A CN 108574918A CN 201810796990 A CN201810796990 A CN 201810796990A CN 108574918 A CN108574918 A CN 108574918A
- Authority
- CN
- China
- Prior art keywords
- magnetic circuit
- iron
- electrician
- phonation
- mounting hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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 invention discloses one kind two to divide twin magnetic circuit speaker, including holder and two phonation units, phonation unit includes vibrational system and magnetic circuit system, vibrational system includes vibrating diaphragm and voice coil, magnetic circuit system includes annular magnet, magnetic conductive board and field stem, holder includes the mounting hole of phonation unit, and the mounting hole of holder is penetrating, and two phonation units are back-to-back, are co-axially mounted in the mounting hole of holder；The edge of first phonation unit vibrating diaphragm and the first end of mounting hole connect, and the edge of the second phonation unit vibrating diaphragm and the second end of mounting hole connect.Two phonation units of the present invention back-to-back, be co-axially mounted in the mounting hole of holder, it is compact-sized, size is smaller, lightweight, the miniaturization of product can be realized while perfection shows bass domain and high range sound.
Description
[technical field]
The present invention relates to loud speakers, more particularly to one kind two to divide twin magnetic circuit speaker.
[background technology]
The structure and parameter of loud speaker to audio conduction have vital effect, it determine audio by electricity to power again
To the conversion quality of sound, directly decide that electro-acoustic product resets the quality of sound.The loud speaker type applied currently on the market is numerous
It is more, but full frequency speaker not truly, that is low frequency dive can not possibly be met simultaneously and high frequency extends, it can only
It is that balance is taken, and when loudspeaker send out low-and high-frequency simultaneously will appear interference, keep sound not clear enough, being distorted also can bigger.
If being really achieved the effect of full frequency band, it is necessary at least two loudspeaker high level matches with low level
The utility model of Patent No. CN201020136933.0 discloses a kind of double-magnetic circuit cone loudspeaker, including basin
Frame, vibrating membrane and magnetic structure, it is characterised in that：Frame bottom is set there are two recess, and magnetic structure is equipped in each recess,
Vibrating membrane includes two adjacent cone-shaped membranes, and cone-shaped membrane is recessed inwardly, and center is equipped with trepanning, and the position of two trepannings is located at two
The top of magnetic structure.
But the double-magnetic circuit cone loudspeaker of this two loudspeaker occupies larger structure space, makes product structure and outer
Shape can not minimize, thus under need to develop new structural loud speaker pursuit more preferably to meet people to high tone quality, simultaneously
Product more lightweight, miniaturization.
[invention content]
The technical problem to be solved in the present invention is to provide two smaller frequency dividing twin magnetic circuit speakers of a kind of size.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is that one kind two divides twin magnetic circuit speaker, packet
Holder and two phonation units are included, phonation unit includes vibrational system and magnetic circuit system, and vibrational system includes vibrating diaphragm and voice coil, magnetic
Road system includes annular magnet, magnetic conductive board and field stem, and holder includes the mounting hole of phonation unit, and the mounting hole of holder is penetrating,
Two phonation units are back-to-back, are co-axially mounted in the mounting hole of frame；The edge and mounting hole of first phonation unit vibrating diaphragm
First end connection, the second end of the edge of the second phonation unit vibrating diaphragm and mounting hole connects.
Above-described two frequency dividings twin magnetic circuit speaker, the magnetic circuit system of two phonation units share the field heart described in one
The middle part of column, field stem includes annular flange, and the one side of annular flange is connect with the bottom of the first phonation unit annular magnet, separately
It is connect on one side with the bottom of the second phonation unit annular magnet；Field stem includes electrician's iron, and electrician's iron is two phonation units
Magnetic circuit shares.
Above-described two frequency dividings twin magnetic circuit speaker, field stem are structure as a whole, and the cross section of electrician's iron is
Cross.
It is above-described two frequency dividing twin magnetic circuit speaker, field stem include the first centring magnet, the first center magnetic conductive board and
The cross section of electrician's iron, electrician's iron is T-shaped, and the first centring magnet is arranged in the top of T-shaped electrician's iron.
Above-described two frequency dividings twin magnetic circuit speaker, field stem include the first centring magnet, the first center magnetic conductive board, the
Two centring magnets, the second center magnetic conductive board and electrician's iron, the cross section of electrician's iron is linear type, the first centring magnet
The both sides up and down of electrician's iron are arranged in the second centring magnet.
Above-described two frequency dividings twin magnetic circuit speaker, field stem include axially extending bore, and axially extending bore is connected to two sounding
The chamber that shakes of unit.
Above-described two frequency dividings twin magnetic circuit speaker, the first end of rack mounting apertures include the sound chamber of annular, sound chamber
Bottom includes a plurality of with the external stomata being connected to.
Above-described two frequency dividings twin magnetic circuit speaker, holder are moulding, and the parts of phonation unit magnetic circuit system are logical
Injection molding is crossed to be embedded into holder.
Two phonation units of the two frequency dividing twin magnetic circuit speakers of the present invention back-to-back, be co-axially mounted on the installation of holder
Kong Zhong, it is compact-sized, size is smaller, the light weight of product can be realized while perfection shows bass domain and high range sound
Change, miniaturization.
[description of the drawings]
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the cutting exploded view of 1 liang of frequency dividing twin magnetic circuit speaker of the embodiment of the present invention.
Fig. 2 is the cutting structure chart of 1 liang of frequency dividing twin magnetic circuit speaker of the embodiment of the present invention.
Fig. 3 is the cutting structure chart of 2 liang of frequency dividing twin magnetic circuit speakers of the embodiment of the present invention.
Fig. 4 is the cutting structure chart of 3 liang of frequency dividing twin magnetic circuit speakers of the embodiment of the present invention.
Fig. 5 is the cutting structure chart of 4 liang of frequency dividing twin magnetic circuit speakers of the embodiment of the present invention.
Fig. 6 is the cutting structure chart of 5 liang of frequency dividing twin magnetic circuit speakers of the embodiment of the present invention.
[specific implementation mode]
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Any feature disclosed in this specification (including any accessory claim, abstract and attached drawing), except non-specifically chatting
It states, can be replaced by other alternative features that are equivalent or have similar purpose.That is, unless specifically stated, each feature is only
It is an example in a series of equivalent or similar characteristics.
Two frequency dividing twin magnetic circuit speakers of the embodiment of the present invention include holder 1 and two phonation units, each phonation unit
Including vibrational system and magnetic circuit system.Two phonation units constitute two sub- loud speakers.
Vibrational system includes vibrating diaphragm and voice coil, and magnetic circuit system includes annular magnet, magnetic conductive board and field stem.First sounding list
The vibrating diaphragm 11 of member is more than the vibrating diaphragm 21 of the second phonation unit, and the eigentone of the two is different, and two sub- loud speakers can be with
Auxiliary carries out two frequency dividings with electronic component.
Holder 1 is moulding, and the parts of two phonation unit magnetic circuit systems are embedded by injection molding in holder 1.
There are two the mounting hole 101 of phonation unit on the central axes of holder 1, the mounting hole 101 of holder 1 is through-hole, two
Phonation unit is back-to-back, is co-axially mounted in the mounting hole 101 of holder 1.The edge of first phonation unit vibrating diaphragm 11 is fixed on
The edge of the upper end of mounting hole 101, the second phonation unit vibrating diaphragm 21 is fixed on the lower end of mounting hole 101.First phonation unit
Voice coil 19 is fixed on the first phonation unit vibrating diaphragm 11, and the voice coil 29 of the second phonation unit is fixed on the second phonation unit vibrating diaphragm 21
On.
The first end of 1 mounting hole 101 of holder has a sound chamber 102 of a ring shape, and the bottom of sound chamber 102 has multiple to be connected with external
Logical stomata 103.
The magnetic circuit system of two phonation units shares a field stem, has one of annular flange in the middle part of the stem of field, annular
The one side of flange is connect with the bottom of the first phonation unit annular magnet 12, another side and the second phonation unit annular magnet 22
Bottom connects.Field stem includes electrician's iron 6, and electrician's iron 6 is shared by the magnetic circuit of two phonation units.
There are one axially extending bores, axially extending bore two phonation units of connection of field stem to shake on the central axes of field stem
Chamber.
The structure of two frequency dividing twin magnetic circuit speakers of the embodiment of the present invention 1 is as depicted in figs. 1 and 2.The characteristics of embodiment 1
It is：Stem includes the first centring magnet 13, the first center magnetic conductive board 14 and electrician's iron 6, the cross section of electrician's iron 6 be it is T-shaped,
Including flange 601 and lower prop 603.First centring magnet 13 is arranged in the top of T-shaped electrician's iron 6, the first center magnetic conductive board
14 are arranged in the top of the first centring magnet 13.
First phonation unit annular magnet 12 is connect with the top surface of flange 601, the second phonation unit annular magnet 22 with it is prominent
The bottom surface of edge 601 connects.Magnetic conductive board 15 is fixed on annular magnet 12, and magnetic conductive board 25 is fixed on annular magnet 22.
The voice coil 19 of first phonation unit is arranged in the annular gap between annular magnet 12 and the first centring magnet 13,
The voice coil 29 of second phonation unit is arranged in the annular gap between annular magnet 22 and electrician's iron lower prop 603.
The structure of two frequency dividing twin magnetic circuit speakers of the embodiment of the present invention 2 is as shown in Figure 3.As different from Example 1：
Stem includes the second centring magnet 23, the second center magnetic conductive board 24 and electrician's iron 6, and the cross section of electrician's iron 6 is T-shaped, including
Flange 601 and column body 602.Second centring magnet 23 is arranged in the lower section of T-shaped electrician's iron 6,24 cloth of the second center magnetic conductive board
It sets in the lower section of the second centring magnet 23.
The voice coil 19 of first phonation unit is arranged in the annular gap between annular magnet 12 and electrician's iron column body 602
In, the voice coil 29 of the second phonation unit is arranged in the annular gap between annular magnet 22 and the second centring magnet 23.
The structure of two frequency dividing twin magnetic circuit speakers of the embodiment of the present invention 3 is as shown in Figure 4.As different from Example 1：
Stem is the integral structure of electrician's iron 6, and the cross section of electrician's iron 6 is cross, including flange 601, column body 602 and lower prop
Body 603.
The voice coil 19 of first phonation unit is arranged in the annular gap between annular magnet 12 and electrician's iron column body 602
In, the voice coil 29 of the second phonation unit is arranged in annular magnet 22 and annular gap between electrician's iron lower prop 603.
The structure of two frequency dividing twin magnetic circuit speakers of the embodiment of the present invention 4 is as shown in Figure 5.As different from Example 1：
Field stem includes the first centring magnet 13, the first center magnetic conductive board 14, the second centring magnet 23, the second center magnetic conduction
Plate 24 and electrician's iron 6, electrician's iron 6 are the disk that cross section is linear type.First centring magnet 13 is arranged in linear type electrician iron 6
Top, the first center magnetic conductive board 14 is arranged in the top of the first centring magnet 13.Second centring magnet 23 is arranged in linear type
The lower section of electrician's iron 6, the second center magnetic conductive board 24 are arranged in the lower section of the second centring magnet 23.
The voice coil 19 of first phonation unit is arranged in the annular gap between annular magnet 12 and the first centring magnet 13,
The voice coil 29 of second phonation unit is arranged in the annular gap between annular magnet 22 and the second centring magnet 23.
The structure of 5 liang of frequency dividing twin magnetic circuit speakers of the embodiment of the present invention is as shown in Figure 6.As different from Example 4, holder
The sound chamber of the upper end ringless-type of 1 mounting hole 101, the bottom of 101 annular flange of rack mounting apertures have multiple with the external gas being connected to
Hole.
Above example of the present invention two frequency dividing twin magnetic circuit speakers two phonation units back-to-back, be co-axially mounted on
It is compact-sized, size is smaller in the mounting hole of holder, production can be realized while perfection shows bass domain and high range sound
Lightweight, the miniaturization of product.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.Therefore, of the invention
Protection domain should be determined by the scope of protection defined in the claims.
Claims (8)
1. one kind two divides twin magnetic circuit speaker, including holder and two phonation units, phonation unit include vibrational system and magnetic
Road system, vibrational system include vibrating diaphragm and voice coil, and magnetic circuit system includes annular magnet, magnetic conductive board and field stem, and holder includes hair
The mounting hole of sound unit, which is characterized in that the mounting hole of holder is penetrating, and two phonation units are back-to-back, are co-axially mounted on branch
In the mounting hole of frame；The edge of first phonation unit vibrating diaphragm and the first end of mounting hole connect, the side of the second phonation unit vibrating diaphragm
The second end of edge and mounting hole connects.
2. two frequency dividings twin magnetic circuit speaker according to claim 1, which is characterized in that the magnetic circuit system of two phonation units
The field stem described in one is shared, the middle part of field stem includes annular flange, the one side of annular flange and the first phonation unit ring
The bottom of shape magnet connects, and another side is connect with the bottom of the second phonation unit annular magnet；Field stem includes electrician's iron, electrician
Iron is that the magnetic circuit of two phonation units shares.
3. two frequency dividings twin magnetic circuit speaker according to claim 2, which is characterized in that field stem is structure as a whole, described
Electrician's iron cross section be cross.
4. two frequency dividings twin magnetic circuit speaker according to claim 2, which is characterized in that field stem includes the first center magnetic
The cross section of iron, the first center magnetic conductive board and electrician's iron, electrician's iron is T-shaped, and the first centring magnet is arranged in T-shaped
The top of electrician's iron.
5. two frequency dividings twin magnetic circuit speaker according to claim 1, which is characterized in that field stem includes the first center magnetic
Iron, the first center magnetic conductive board, the second centring magnet, the second center magnetic conductive board and electrician's iron, the cross section of electrician's iron be
Linear type, the first centring magnet and the second centring magnet are arranged in the both sides up and down of electrician's iron.
6. two frequency dividings twin magnetic circuit speaker according to claim 2, which is characterized in that field stem includes axially extending bore, axis
The chamber that shakes of two phonation units is connected to through-hole.
7. the two frequency dividing twin magnetic circuit speakers according to any claim in claim 1 to 6, which is characterized in that holder
The first end of mounting hole includes the sound chamber of annular, and the bottom of sound chamber includes a plurality of with the external stomata being connected to.
8. the two frequency dividing twin magnetic circuit speakers according to any claim in claim 1 to 6, which is characterized in that holder
Parts for moulding, phonation unit magnetic circuit system are embedded by injection molding in holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796990.2A CN108574918B (en) | 2018-07-19 | 2018-07-19 | Two magnetic circuit speakers of two frequency division |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810796990.2A CN108574918B (en) | 2018-07-19 | 2018-07-19 | Two magnetic circuit speakers of two frequency division |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108574918A true CN108574918A (en) | 2018-09-25 |
| CN108574918B CN108574918B (en) | 2024-07-19 |
Family
ID=63571798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810796990.2A Active CN108574918B (en) | 2018-07-19 | 2018-07-19 | Two magnetic circuit speakers of two frequency division |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108574918B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109511061A (en) * | 2018-12-27 | 2019-03-22 | 歌尔股份有限公司 | Mini-sound device and electronic product |
| CN110972038A (en) * | 2019-12-31 | 2020-04-07 | 歌尔科技有限公司 | Sound production device |
| CN113132871A (en) * | 2019-12-31 | 2021-07-16 | 歌尔科技有限公司 | Sound production device |
| CN114222228A (en) * | 2021-09-08 | 2022-03-22 | 深圳市万红苹果电子有限公司 | Loudspeaker |
| CN114640928A (en) * | 2022-03-11 | 2022-06-17 | 海宁市西米尼科技有限公司 | Loudspeaker of multi-center-pillar magnetic circuit system |
| CN114697825A (en) * | 2022-02-15 | 2022-07-01 | 华为技术有限公司 | Speaker and electronic equipment |
| CN114845219A (en) * | 2022-03-31 | 2022-08-02 | 歌尔股份有限公司 | Sound production device and electronic equipment |
| WO2023160141A1 (en) * | 2022-02-25 | 2023-08-31 | 华为技术有限公司 | Loudspeaker and electronic device |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020004791A (en) * | 2000-06-27 | 2002-01-16 | 엄성기 | Speaker United in Receiver |
| JP2003111194A (en) * | 2001-05-08 | 2003-04-11 | Matsushita Electric Ind Co Ltd | Loudspeaker and portable terminal device |
| KR20030083774A (en) * | 2002-04-22 | 2003-11-01 | 남언욱 | Unilateral/Bilateral Electric-Sound Converter Having Fixed Coil Structure Using Magnetization Film and Method Thereof |
| CN2615975Y (en) * | 2003-04-15 | 2004-05-12 | 深圳市美欧电子股份有限公司 | Double-magnetic loop vibrating & sounding multifunction inverter |
| KR200359898Y1 (en) * | 2004-05-24 | 2004-08-21 | 주식회사 대림음향 | Two way speaker |
| KR200417799Y1 (en) * | 2006-03-24 | 2006-06-02 | 유동준 | Electroacoustic conversion unit having an output structure of the same phase bass reversal method |
| US20060120551A1 (en) * | 2003-06-06 | 2006-06-08 | Mitsutaka Enomoto | Loudspeaker, manufacturing method thereof, and mobile telephone using the same |
| US20080317255A1 (en) * | 2005-02-25 | 2008-12-25 | Nokia Corporation | Audio Transducer Component |
| CN201839425U (en) * | 2010-04-27 | 2011-05-18 | 常州美欧电子有限公司 | Double-loop integrated sounding device |
| CN202663534U (en) * | 2012-04-28 | 2013-01-09 | 歌尔声学股份有限公司 | Loudspeaker |
| CN205105399U (en) * | 2015-11-19 | 2016-03-23 | 郑汉水 | Two unification coaxial speakers and frequency dividing circuit thereof |
| CN205320275U (en) * | 2015-10-15 | 2016-06-15 | 歌尔声学股份有限公司 | Two -way miniature speaker |
| CN206118013U (en) * | 2016-09-26 | 2017-04-19 | 常州阿木奇声学科技有限公司 | Loudspeaker |
| CN208623899U (en) * | 2018-07-19 | 2019-03-19 | 陈新得 | One kind two divides twin magnetic circuit speaker |
-
2018
- 2018-07-19 CN CN201810796990.2A patent/CN108574918B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020004791A (en) * | 2000-06-27 | 2002-01-16 | 엄성기 | Speaker United in Receiver |
| JP2003111194A (en) * | 2001-05-08 | 2003-04-11 | Matsushita Electric Ind Co Ltd | Loudspeaker and portable terminal device |
| KR20030083774A (en) * | 2002-04-22 | 2003-11-01 | 남언욱 | Unilateral/Bilateral Electric-Sound Converter Having Fixed Coil Structure Using Magnetization Film and Method Thereof |
| CN2615975Y (en) * | 2003-04-15 | 2004-05-12 | 深圳市美欧电子股份有限公司 | Double-magnetic loop vibrating & sounding multifunction inverter |
| US20060120551A1 (en) * | 2003-06-06 | 2006-06-08 | Mitsutaka Enomoto | Loudspeaker, manufacturing method thereof, and mobile telephone using the same |
| KR200359898Y1 (en) * | 2004-05-24 | 2004-08-21 | 주식회사 대림음향 | Two way speaker |
| US20080317255A1 (en) * | 2005-02-25 | 2008-12-25 | Nokia Corporation | Audio Transducer Component |
| KR200417799Y1 (en) * | 2006-03-24 | 2006-06-02 | 유동준 | Electroacoustic conversion unit having an output structure of the same phase bass reversal method |
| CN201839425U (en) * | 2010-04-27 | 2011-05-18 | 常州美欧电子有限公司 | Double-loop integrated sounding device |
| CN202663534U (en) * | 2012-04-28 | 2013-01-09 | 歌尔声学股份有限公司 | Loudspeaker |
| CN205320275U (en) * | 2015-10-15 | 2016-06-15 | 歌尔声学股份有限公司 | Two -way miniature speaker |
| CN205105399U (en) * | 2015-11-19 | 2016-03-23 | 郑汉水 | Two unification coaxial speakers and frequency dividing circuit thereof |
| CN206118013U (en) * | 2016-09-26 | 2017-04-19 | 常州阿木奇声学科技有限公司 | Loudspeaker |
| CN208623899U (en) * | 2018-07-19 | 2019-03-19 | 陈新得 | One kind two divides twin magnetic circuit speaker |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109511061A (en) * | 2018-12-27 | 2019-03-22 | 歌尔股份有限公司 | Mini-sound device and electronic product |
| CN109511061B (en) * | 2018-12-27 | 2024-04-05 | 歌尔股份有限公司 | Miniature sound generating device and electronic product |
| CN110972038A (en) * | 2019-12-31 | 2020-04-07 | 歌尔科技有限公司 | Sound production device |
| CN113132871A (en) * | 2019-12-31 | 2021-07-16 | 歌尔科技有限公司 | Sound production device |
| CN114222228A (en) * | 2021-09-08 | 2022-03-22 | 深圳市万红苹果电子有限公司 | Loudspeaker |
| CN114697825A (en) * | 2022-02-15 | 2022-07-01 | 华为技术有限公司 | Speaker and electronic equipment |
| WO2023155564A1 (en) * | 2022-02-15 | 2023-08-24 | 华为技术有限公司 | Speaker and electronic device |
| WO2023160141A1 (en) * | 2022-02-25 | 2023-08-31 | 华为技术有限公司 | Loudspeaker and electronic device |
| CN114640928A (en) * | 2022-03-11 | 2022-06-17 | 海宁市西米尼科技有限公司 | Loudspeaker of multi-center-pillar magnetic circuit system |
| CN114640928B (en) * | 2022-03-11 | 2023-06-27 | 海宁市西米尼科技有限公司 | Loudspeaker of multi-center pillar magnetic circuit system |
| CN114845219A (en) * | 2022-03-31 | 2022-08-02 | 歌尔股份有限公司 | Sound production device and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108574918B (en) | 2024-07-19 |
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