CN106358128A - Alto voice compression type drive device - Google Patents
Alto voice compression type drive device Download PDFInfo
- Publication number
- CN106358128A CN106358128A CN201610839492.2A CN201610839492A CN106358128A CN 106358128 A CN106358128 A CN 106358128A CN 201610839492 A CN201610839492 A CN 201610839492A CN 106358128 A CN106358128 A CN 106358128A
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- CN
- China
- Prior art keywords
- voice coil
- vibrating diaphragm
- cylinder body
- magnetic
- driving means
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Classifications
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- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
An alto voice compression type drive device comprises a high voice cylinder body, a magnetic circuit system, a vibrating diaphragm component, a compression type equalizer, a diffusion type equalizer and a lining cap, wherein a plurality of heat dissipation rib columns are arranged in the high voice cylinder body, the magnetic circuit system is placed in the high voice cylinder body, and contacted with the heat dissipation rib columns, the vibrating diaphragm component is arranged on an opening at the upper end of the high voice cylinder body, the vibrating diaphragm component is composed of a vibrating diaphragm, a voice coil and a plurality of retaining slices, the upper end of the voice coil is fixed on the vibrating diaphragm, the lower end of the voice coil is arranged in the magnetic circuit system in penetration mode, the compression type equalizer is arranged above the vibrating diaphragm component, and connected with the vibrating diaphragm component, the diffusion type equalizer is arranged on the lower surface of the lining cap, the diffusion type equalizer passes through the compression type equalizer, the vibrating diaphragm component and the magnetic circuit system, and is stretched into the bottom of the high voice cylinder body, the voice coil comprises a voice coil skeleton and a voice coil wire wound around the inner side and the outer side of the voice coil skeleton, and high temperature resisting insulation varnish is spread on the surface of the voice coil wire. The alto voice compression type drive device has good heat dispersion performance, can reduce cutting vibration, improves language fidelity under status of a large sound pressure level, and is strong in practicability, and suitable for popularization and application.
Description
Technical field
The present invention relates to stereo set technical field, more particularly, to a kind of middle pitch compression driving means.
Background technology
With the continuous development of scientific research technology, the performance of speaker is put forward higher requirement, its requirement has
The characteristics such as high tonequality, speech articulation, high reliability.And the above-mentioned characteristic of speaker and heat dispersion, vibrating diaphragm and voice coil loudspeaker voice coil
Relevant.However, existing voice coil loudspeaker voice coil is installed with magnetic circuit system cooperation, after using when long, while voice coil loudspeaker voice coil heating, magnetic circuit can be improved
The temperature of system, voice coil loudspeaker voice coil and magnetic circuit system are sealed in high pitch cylinder body, thus are unable to quick heat radiating, thus influencing whether tonequality.
Additionally, existing vibrating diaphragm typically adopts dome-shaped vibrating diaphragm, dome-shaped vibrating diaphragm must have high physical toughness, this
The acquirement one planting physical toughness is by selecting high elastic modulus material, and two is to be achieved by increasing the thickness of film.However, on
Stating the weight that method correspondingly also increases diaphragm, needing higher power to carry out driven diaphragm, thus reducing the effect of speaker
Rate.And if mitigate the weight of vibrating diaphragm, then need to reduce the thickness of vibrating diaphragm, or using lighter material, and thin vibrating diaphragm thickness
Or diaphagras are then easily produced using lighter material, lead to the generation of distortion.
Content of the invention
For this reason, it is an object of the invention to provide a kind of middle pitch compression driving means, being dissipated with solving current driving means
The problems such as hot property is poor, easily generation diaphagras lead to distortion.
For achieving the above object, the present invention mainly employ the following technical solutions for:
A kind of middle pitch compression driving means, including the high pitch cylinder body setting gradually from the bottom to top, magnetic circuit system, vibrating diaphragm group
Part, compression-type eqalizing cricuit, diffused eqalizing cricuit and lining lid, described high pitch cylinder body upper surface is provided with annular groove, annular groove
Some radiating ribs posts are distributed with lateral wall；Described magnetic circuit system includes magnetic cup, the Magnet being placed in magnetic cup and is arranged at
On Magnet and be placed in washer in magnetic cup, form a magnetic gap between Magnet, washer and magnetic cup, described magnetic cup is placed in annular
In groove, and it is located between radiating ribs post and annular groove medial wall, described radiating ribs post carries out supporting spacing to magnetic cup；Described shake
Membrane module is arranged at the opening of high pitch cylinder body upper end, and vibrating diaphragm assembly includes vibrating diaphragm, voice coil loudspeaker voice coil and some retention tabs, described retention tab
It is arranged at the upper and lower both sides of vibrating diaphragm, described voice coil loudspeaker voice coil upper end is fixed on vibrating diaphragm, and lower end is arranged in magnetic gap, described compression-type etc. is changed
Device and is attached thereto above vibrating diaphragm assembly, and described diffused eqalizing cricuit is arranged on lining lid lower surface, and this diffused etc. is changed
Device sequentially passes through compression-type eqalizing cricuit, vibrating diaphragm assembly, magnetic circuit system and extend into high pitch cylinder base；Described voice coil loudspeaker voice coil includes voice coil loudspeaker voice coil
Skeleton and be around in voice coil line inside and outside speech coil framework, the surface of described voice coil line scribbles the resistance to height that blackness value is 0.85～1
Warm insullac.
Further, described vibrating diaphragm is ringwise arranged, and the unilateral cross section of vibrating diaphragm is in that v shape is arranged, and described voice coil loudspeaker voice coil is fixed on
The v shape vertex position of vibrating diaphragm, vibrating diaphragm is each formed with vibration area inside and outside voice coil loudspeaker voice coil.
Further, the material of described high pitch cylinder body is die casting aluminum, and the middle part of high pitch cylinder body is provided with about one and runs through
The cavity of high pitch cylinder body, described cavity forms a bugle.
Further, the inside cavity of described high pitch cylinder body is provided with the sound-absorbing material for cutting down standing wave, described sound absorber
Expect for acoustical cotton.
Further, described magnetic cup, Magnet, washer are a circulus, described Magnet, the diameter phase of washer
Deng, and the diameter of respectively less than magnetic cup, between described washer, Magnet and magnetic cup, form magnetic gap.
Further, the side pressing close to magnetic cup of some described radiating ribs posts enclose one with described magnetic cup outer surface phase
The internal ring mating shapes of the shape and structure joined, the internal ring of described annular groove and magnetic cup.
Further, it is provided with a circular hole in the middle part of described compression-type eqalizing cricuit, be provided with multiple air chamber passages around described circular hole,
Air chamber passage includes the acoustic wave inlet towards vibrating diaphragm, described acoustic wave inlet helically line distribution, each acoustic wave inlet and center of circular hole
Distance.
Further, described compression-type eqalizing cricuit is formed by the first main body and the second body combination, and described acoustic wave inlet sets
In the first main body, described air chamber passage also includes an acoustic wave outlet, and described acoustic wave outlet sets towards described diffused eqalizing cricuit
Put.
Further, it is equipped with extension at the acoustic wave outlet of each described air chamber passage, described extension is towards described expansion
Scattered type eqalizing cricuit direction extends；And described extension is in the pointed setting tapering into from the outside to the core.
Further, the material of described Magnet is the neodymium iron boron strong magnet of n38h model.
In sum, in the compression driving means of the present invention voice coil loudspeaker voice coil wear to magnetic gap and magnetic systems be installed in scattered
Design between hot muscle post and annular tongue medial wall, further increases the heat-sinking capability of voice coil loudspeaker voice coil, thus avoiding voice coil loudspeaker voice coil heating
Cause speaker damage or inefficacy, the temperature that after can reducing work, Magnet raises simultaneously, be conducive to the flowing of air-flow to radiate.This
Outward, the design of described v shape vibrating diaphragm is so that the inner side of voice coil loudspeaker voice coil and exterior lateral area are provided with vibration area, thus decreasing segmentation
Vibration, improves the speech fidelity under sound pressure level state, it is to avoid the problem of language distortion.
Brief description
Fig. 1 is the structural representation of middle pitch compression driving means of the present invention.
Fig. 2 is the decomposing schematic representation of the middle pitch compression driving means shown in Fig. 1.
Fig. 3 is the generalized section of the middle pitch compression driving means shown in Fig. 1.
Specific embodiment
In order that technical scheme can more clearly show, below in conjunction with the accompanying drawings the present invention is made further
Explanation.
As shown in Figure 1 to Figure 3, for the present invention provide a kind of middle pitch compression driving means, it include from the bottom to top according to
The high pitch cylinder body 10 of secondary setting, magnetic circuit system 20, vibrating diaphragm assembly, compression-type eqalizing cricuit 60, diffused eqalizing cricuit 70 and lining lid 80.
Described magnetic circuit system 20 is installed in high pitch cylinder body 10, and described vibrating diaphragm assembly is arranged at the opening of high pitch cylinder body 10 upper end, shakes
Membrane module includes some retention tabs 30, vibrating diaphragm 40 and voice coil loudspeaker voice coil 50, and described retention tab 30 is installed on vibrating diaphragm two sides about 40, institute
State voice coil loudspeaker voice coil 50 upper end to be fixed on vibrating diaphragm 40, lower end is arranged in magnetic circuit system 20, described compression-type eqalizing cricuit 60 is located at holding
Piece 30 top is simultaneously attached thereto, and described diffused eqalizing cricuit 70 is arranged on lining lid 80 lower surfaces, this diffused eqalizing cricuit 80 according to
Secondary through compression-type eqalizing cricuit 60, vibrating diaphragm assembly, magnetic circuit system 20 and extend into high pitch cylinder body 10 bottom.
Described high pitch cylinder body 10 is prepared from by metal material, and specifically, described high pitch cylinder body 10 is by die casting aluminium preparation
Become.It is to be appreciated that in other embodiments, described high pitch cylinder body 10 can also be prepared from for other suitable materials.High
Sound cylinder body 10 upper surface is provided with annular groove 11, and the middle part of high pitch cylinder body 10 is provided with the cavity 12 of a hollow, on described cavity 12
Under run through high pitch cylinder body 10 and form a bugle.The sound-absorbing material for cutting down standing wave, this reality is also had additional in described cavity 12
Apply in example, described sound-absorbing material is acoustical cotton.In the present embodiment, the setting of sound-absorbing material is so that driving means internal build is good
Good acoustic enviroment, it is to avoid standing wave disturbs the propagation of original sound.
Some radiating ribs posts 13, described magnetic are evenly distributed with the outside side wall of annular groove 11 of described high pitch cylinder body 10
Road system 20 is installed between radiating ribs post 13 and the inside side walls of annular groove 11.Described magnetic circuit system 20 include magnetic cup 21,
The Magnet 22 being placed in magnetic cup 21 and the washer 23 being arranged on Magnet 22 and being placed in magnetic cup 20, described magnetic cup 21,
Magnet 22, washer 23 are circulus.Described Magnet 22, the equal diameters of washer 23, and the diameter of respectively less than magnetic cup 21, institute
State and form a magnetic gap between washer 23, Magnet 22 and magnetic cup 21.In the present embodiment, described Magnet 22 for neodymium iron boron prepare strong
Magnet, its preferred model n38h, described n38h Magnet has stable strength magnetic field.It is to be appreciated that implementing other
In example, described Magnet 22 can also be the strong magnet of other models.
Described voice coil loudspeaker voice coil 50 includes speech coil framework and voice coil line, and the surface of described voice coil line scribbles high blackness high-temperature insulation
Paint, to improve the ability of voice coil line radiant heat energy.In the present embodiment, the blackness value of described high blackness high-temperature insulating paint is 0.85
～1.Described voice coil line is around in inside and outside speech coil framework, forms inner, external wire coil structures, makes the surfaces externally and internally of voice coil loudspeaker voice coil 50
To the effective radiant heat energy of magnetic circuit system 20, thus having superior heat dispersion.Described voice coil loudspeaker voice coil 50 bottom is arranged in described magnetic
In gap, heat that voice coil loudspeaker voice coil 50 produces can quickly by the radiant heat transfer of inner-outer coil to magnetic cup 21, described magnetic cup 21
Outer surface is contacted with radiating ribs post 13 so that the heat on magnetic cup 21 can be transferred to radiating ribs post 13 quickly, then from high pitch
Cylinder body 10 spreads out.Therefore, heat produced by even high-power, sound pressure level driving means also can dissipate quickly
Heat.The medial surface of some described radiating ribs posts 13 encloses the shape and structure matching with described magnetic cup 21, radiating ribs post 13 1
Determine in degree, magnetic circuit system 20 to be carried out spacing, so that magnetic circuit system 20 is firmly embedded in high pitch cylinder body 10, available buffer is any
The impact in direction, fall, there is good vibration resistance, impact-resistant performance.
In the present embodiment, described vibrating diaphragm 40 is ringwise arranged, and the unilateral cross section of vibrating diaphragm 40 is in that v shape is arranged.Described vibrating diaphragm
Material adopt peek material, this kind of material have excellent bending moduluses, make vibrating diaphragm 40 have the optimal vibration amount of touching, thus
To a certain degree ensure that the high sensitivity of driving means.During installation, described voice coil loudspeaker voice coil 50 is connected on the v shape summit of vibrating diaphragm, removes
Outside the diaphragm area that voice coil loudspeaker voice coil 50 is drawn a circle to approve, part vibrating diaphragm is located at the outside of voice coil loudspeaker voice coil 50 so that all there is vibrating area the both sides of voice coil loudspeaker voice coil 50
Domain so that whole vibrating diaphragm forms ring-type so that, in the case of equal in quality, close to effective vibration radiation sound of voice coil loudspeaker voice coil 50
The area of ripple greatly increases, it is achieved thereby that less power can drive vibrating diaphragm 40 and obtain identical sound wave amount, particularly
In high band, resonant frequency is improved, and diaphagras are reducing, due to decreasing quality, before transient response curve
Tailing edge also tends to precipitous, improves the speech fidelity under sound pressure level state, thus the problem of language distortion can be avoided.
Described compression-type eqalizing cricuit 60 includes first device body, is provided with a circular hole in the middle part of described eqalizing cricuit body, around
Described circular hole forms multiple air chamber passages, and described air chamber passage includes the acoustic wave inlet 63 towards vibrating diaphragm 40, and described air chamber leads to
The helically line distribution of the acoustic wave inlet 63 in road, the acoustic wave inlet 63 of each air chamber passage and the distance of body central.Described eqalizing cricuit
Body is combined by two the first annular main bodys 61 and the second main body 62, and wherein said first main body 61 sets in the shape of a spiral
Put multiple acoustic wave inlet 63, multiple bottom surface 64 and multigroup first side 65 corresponding with acoustic wave inlet 63, two the first side walls 65
Passage is constituted and bottom surface 64 between.Then be provided with described second main body 62 top surface and with the first main body 61 on the first side
The concordant multigroup second side 66 of face 65 correspondence, that is, after combining, first side 65 and second side 66 constitute each air chamber passage
Side, acoustic wave outlet is made up of the top surface of the bottom surface 64, first side 66 and the second main body 62 of the first main body 61.
Described compression-type eqalizing cricuit 60 is matched with vibrating diaphragm 40 at work, during vibratory sound, on compression-type eqalizing cricuit 60
The air chamber channel of acoustic wave of the acoustic wave inlet 63 of spiral distribution, constitutes geometry bandpass filtering pipe.That is, sound wave is by each logical
During road, some frequency bands strengthen some frequency ranges and are attenuated.It is provided with extension 67 at the acoustic wave outlet of each described gas passage, and
Extension 67 is pointed, forms the structure of diffused eqalizing cricuit；Make sound field uniformly, thus obtain good frequency response curve and
High sensitivity.
In sum, in the compression driving means of the present invention, voice coil loudspeaker voice coil 50 is worn to magnetic gap and magnetic systems 20 are installed
Design between radiating ribs post 13 and annular tongue 11 medial wall, further increases the heat-sinking capability of voice coil loudspeaker voice coil 50, thus avoiding
Voice coil loudspeaker voice coil 50 heating causes speaker damage or inefficacy, the temperature that after can reducing work, Magnet raises simultaneously, is conducive to air-flow
Flowing radiating.Additionally, the design of described v shape vibrating diaphragm 40 is so that the inner side of voice coil loudspeaker voice coil 50 and exterior lateral area are provided with vibration area,
Thus decreasing diaphagras, improve the speech fidelity under sound pressure level state, it is to avoid the problem of language distortion.
Embodiment described above only have expressed one embodiment of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (10)
1. a kind of middle pitch compression driving means it is characterised in that: include set gradually from the bottom to top high pitch cylinder body, magnetic circuit system
System, vibrating diaphragm assembly, compression-type eqalizing cricuit, diffused eqalizing cricuit and lining lid, described high pitch cylinder body upper surface is provided with annular groove, ring
Some radiating ribs posts are distributed with the lateral wall of connected in star；Described magnetic circuit system include magnetic cup, the Magnet being placed in magnetic cup, with
And be arranged on Magnet and be placed in the washer in magnetic cup, form a magnetic gap between Magnet, washer and magnetic cup, described magnetic cup holds
It is placed in annular groove, and is located between radiating ribs post and annular groove medial wall, described radiating ribs post carries out supporting limit to magnetic cup
Position；Described vibrating diaphragm assembly is arranged at the opening of high pitch cylinder body upper end, and vibrating diaphragm assembly includes vibrating diaphragm, voice coil loudspeaker voice coil and some retention tabs,
Described retention tab is arranged at the upper and lower both sides of vibrating diaphragm, and described voice coil loudspeaker voice coil upper end is fixed on vibrating diaphragm, and lower end is arranged in magnetic gap, described
Compression-type eqalizing cricuit and is attached thereto above vibrating diaphragm assembly, and described diffused eqalizing cricuit is arranged on lining lid lower surface, should
Diffused eqalizing cricuit sequentially passes through compression-type eqalizing cricuit, vibrating diaphragm assembly, magnetic circuit system and extend into high pitch cylinder base；Described sound
Circle includes speech coil framework and is around in voice coil line inside and outside speech coil framework, and the surface of described voice coil line scribbles blackness value for 0.85
～1 high-temperature insulating paint.
2. middle pitch compression driving means as claimed in claim 1 it is characterised in that: described vibrating diaphragm is ringwise arranged, vibrating diaphragm
Unilateral cross section be in that v shape is arranged, described voice coil loudspeaker voice coil is fixed on the v shape vertex position of vibrating diaphragm, vibrating diaphragm equal shape inside and outside voice coil loudspeaker voice coil
Become to have vibration area.
3. middle pitch compression driving means as claimed in claim 2 it is characterised in that: the material of described high pitch cylinder body be die casting
Aluminum, the middle part of high pitch cylinder body is provided with about one cavity running through high pitch cylinder body, and described cavity forms a bugle.
4. middle pitch compression driving means as claimed in claim 3 it is characterised in that: the inside cavity of described high pitch cylinder body sets
There is the sound-absorbing material for cutting down standing wave, described sound-absorbing material is acoustical cotton.
5. middle pitch compression driving means as claimed in claim 1 it is characterised in that: described magnetic cup, Magnet, washer are ring
The diameter of shape structure, described Magnet, the equal diameters of washer, and respectively less than magnetic cup, forms between described washer, Magnet and magnetic cup
Magnetic gap.
6. middle pitch compression driving means as claimed in claim 5 it is characterised in that: some described radiating ribs posts press close to magnetic
The side of cup encloses a shape and structure matching with described magnetic cup outer surface, and the internal ring of described annular groove is interior with magnetic cup
Ring-shaped matches.
7. middle pitch compression driving means as claimed in claim 1 it is characterised in that: be provided with the middle part of described compression-type eqalizing cricuit
One circular hole, is provided with multiple air chamber passages around described circular hole, and air chamber passage includes the acoustic wave inlet towards vibrating diaphragm, and described sound wave enters
Mouth helically line distribution, the distance of each acoustic wave inlet and center of circular hole.
8. middle pitch compression driving means as claimed in claim 7 it is characterised in that: described compression-type eqalizing cricuit is main by first
Body and the second body combination form, and in the first main body, described air chamber passage also includes an acoustic wave outlet to described acoustic wave inlet,
Described acoustic wave outlet is arranged towards described diffused eqalizing cricuit.
9. middle pitch compression driving means as claimed in claim 8 it is characterised in that: the sound wave of each described air chamber passage goes out
It is equipped with extension, described extension extends towards described diffused eqalizing cricuit direction at mouthful；And described extension is in from the outside to the core
The pointed setting tapering into.
10. middle pitch compression driving means as claimed in claim 1 it is characterised in that: the material of described Magnet be n38h type
Number neodymium iron boron strong magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839492.2A CN106358128B (en) | 2016-09-21 | 2016-09-21 | Middle pitch compression driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839492.2A CN106358128B (en) | 2016-09-21 | 2016-09-21 | Middle pitch compression driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106358128A true CN106358128A (en) | 2017-01-25 |
| CN106358128B CN106358128B (en) | 2019-05-14 |
Family
ID=57858514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610839492.2A Active CN106358128B (en) | 2016-09-21 | 2016-09-21 | Middle pitch compression driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106358128B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109391888A (en) * | 2018-12-12 | 2019-02-26 | 陈伟东 | Loadspeaker structure, ribbon speaker and stereo set |
| CN109413551A (en) * | 2018-10-31 | 2019-03-01 | 宁波音沛乐电子有限公司 | The middle pitch compressible drive device of double magnetic circuit |
| CN116233702A (en) * | 2023-01-31 | 2023-06-06 | 广州市声讯电子科技股份有限公司 | Explosion-proof sound amplifier |
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| JP2000308849A (en) * | 1997-06-30 | 2000-11-07 | Tokin Corp | Vibration actuator for generating sound and lowfrequency vibration |
| US6594372B2 (en) * | 2001-07-30 | 2003-07-15 | Victor Company Of Japan, Ltd. | Electroacoustic transducer |
| CN103826187A (en) * | 2014-02-26 | 2014-05-28 | 谭红梅 | Method and device for improving flexibility of loudspeaker driver |
| CN203813952U (en) * | 2014-02-26 | 2014-09-03 | 东莞市三基音响科技有限公司 | An apparatus for expending a loudspeaker driver frequency scope |
| CN203827508U (en) * | 2014-02-26 | 2014-09-10 | 东莞市三基音响科技有限公司 | Device for improving sensitivity of loudspeaker driver |
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2016
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000308849A (en) * | 1997-06-30 | 2000-11-07 | Tokin Corp | Vibration actuator for generating sound and lowfrequency vibration |
| US6594372B2 (en) * | 2001-07-30 | 2003-07-15 | Victor Company Of Japan, Ltd. | Electroacoustic transducer |
| CN103826187A (en) * | 2014-02-26 | 2014-05-28 | 谭红梅 | Method and device for improving flexibility of loudspeaker driver |
| CN203813952U (en) * | 2014-02-26 | 2014-09-03 | 东莞市三基音响科技有限公司 | An apparatus for expending a loudspeaker driver frequency scope |
| CN203827508U (en) * | 2014-02-26 | 2014-09-10 | 东莞市三基音响科技有限公司 | Device for improving sensitivity of loudspeaker driver |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109413551A (en) * | 2018-10-31 | 2019-03-01 | 宁波音沛乐电子有限公司 | The middle pitch compressible drive device of double magnetic circuit |
| CN109413551B (en) * | 2018-10-31 | 2020-09-04 | 宁波音沛乐电子有限公司 | Double magnetic circuit middle sound compression driving device |
| CN109391888A (en) * | 2018-12-12 | 2019-02-26 | 陈伟东 | Loadspeaker structure, ribbon speaker and stereo set |
| CN116233702A (en) * | 2023-01-31 | 2023-06-06 | 广州市声讯电子科技股份有限公司 | Explosion-proof sound amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106358128B (en) | 2019-05-14 |
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