CN107087240A - A kind of array speaker system - Google Patents
A kind of array speaker system Download PDFInfo
- Publication number
- CN107087240A CN107087240A CN201710459177.1A CN201710459177A CN107087240A CN 107087240 A CN107087240 A CN 107087240A CN 201710459177 A CN201710459177 A CN 201710459177A CN 107087240 A CN107087240 A CN 107087240A
- Authority
- CN
- China
- Prior art keywords
- oscillating plate
- sound
- frequency scope
- driving body
- vibration
- 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
Links
- 239000000463 material Substances 0.000 claims description 8
- 241001503991 Consolida Species 0.000 claims description 6
- 241000222712 Kinetoplastida Species 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000256844 Apis mellifera Species 0.000 description 1
- 229920001342 Bakelite® Polymers 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004637 bakelite Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
A kind of array speaker system, including：Multiple sound-producing devices, sound-producing device is rectangular configuration, and each sound-producing device stacks into array by side；Sound-producing device includes：Source of sound interface；Driving body response sound source signal produces the vibration signal matched with sound source signal；First oscillating plate, carries out the vibration of first frequency scope under the driving of vibration signal, to conduct acoustic signals corresponding with first frequency scope；Second oscillating plate, carries out the vibration of second frequency scope under the driving of vibration signal, to conduct acoustic signals corresponding with second frequency scope；The low-limit frequency of first frequency scope is more than or equal to the highest frequency of second frequency scope；First oscillating plate and the second oscillating plate are separate structure；First oscillating plate and the second oscillating plate constitute the face of rectangular configuration.Relative in the prior art, the sound-producing device that mould is realized is vibrated by spill, the array speaker system that the present embodiment is provided can reduce array speaker and be taken up space.
Description
Technical field
The present invention relates to sound technique field, and in particular to a kind of array speaker system.
Background technology
Audio amplifier is a kind of equipment that audio signal is transformed into sound, is commonly applied to the indoor place such as home theater, audio amplifier
Speak with directive property, to seek raising tonequality, prevent audio distortions, allow listener to distinguish the sound from all around
Sound, is typically placed in indoor several corners by audio amplifier, speaks facing to center, so, and listener has a telepresenc, and true to nature,
Vividly, appeal is had more.It is more out of doors or large-scale and nowadays people have been not limited to interior for the use of audio amplifier
On square, because place is spacious, everywhere without limit, if now again by indoor specification arrangement audio amplifier, sound can not be covered entirely
, listener is not felt by effect when indoors completely, people also attempt in different azimuth by the accumulation of several audio amplifier levels,
Vertical pile formation sound wall, and increase audio amplifier power, however, the mode audio amplifier so accumulated not only the side of occupation of land and also mutually it
Between exist interference, the directive property and coverage rate of sound is all affected, cause tonequality to reduce, have impact on Consumer's Experience.
Therefore, array speaker how is reduced to take up space as technical problem urgently to be resolved hurrily.
In addition, the interference for how reducing array speaker sound wave is also technical problem urgently to be resolved hurrily.
The content of the invention
The technical problem to be solved in the present invention is that how to reduce array speaker is taken up space.
Therefore, according in a first aspect, the embodiment of the invention discloses a kind of array speaker system, including：
Multiple sound-producing devices, sound-producing device is rectangular configuration, and each sound-producing device stacks into array by side；Sound-producing device includes：
Source of sound interface, for being connected with source of sound input equipment, receives the sound source signal that source of sound input equipment is provided；Driving body, with source of sound
Interface signal is connected, and driving body response sound source signal produces the vibration signal matched with sound source signal；First oscillating plate, with drive
Kinetoplast is connected, and the vibration of first frequency scope is carried out under the driving of vibration signal, corresponding with first frequency scope to conduct
Acoustic signals；Second oscillating plate, is connected with driving body, and the vibration of second frequency scope is carried out under the driving of vibration signal, with
Conduction acoustic signals corresponding with second frequency scope；The low-limit frequency of first frequency scope is more than or equal to second frequency scope
Highest frequency；First oscillating plate and the second oscillating plate are separate structure；First oscillating plate and the second oscillating plate constitute rectangle knot
The face of structure.
Alternatively, driving body includes：First driving body, is connected with the first oscillating plate, and the first oscillating plate is according to the first driving
Body response sound source signal produces the vibration that first frequency scope is carried out under the driving of vibration signal corresponding with first frequency scope；
Second driving body, is connected with the second oscillating plate, and the second oscillating plate responds sound source signal according to the second driving body and produced and the second frequency
The vibration of second frequency scope is carried out under the driving of the corresponding vibration signal of rate scope.
Alternatively, the second oscillating plate is set around the first oscillating plate.
Alternatively, first frequency scope is 2000HZ-12000HZ, and second frequency scope is 50HZ-2000HZ.
Alternatively, in addition to：Fixed support, fixed support is annular in shape, the side for coating the second oscillating plate.
Alternatively, the first oscillating plate is prepared for rigid material.
Alternatively, the first oscillating plate is thinner than the second oscillating plate.
Alternatively, in addition to：Bugle, is looped around the setting of the first oscillating plate, with directive property conduction and first frequency scope pair
The acoustic signals answered.
Alternatively, the first oscillating plate is two, is separately positioned on the both sides of driving body, two the first oscillating plates share same
Driving body；Second oscillating plate is two, is separately positioned on the both sides of driving body, two the second oscillating plates share same driving body.
Technical solution of the present invention, has the following advantages that：
Array speaker system provided in an embodiment of the present invention, due to the first oscillating plate of sound-producing device and the second oscillating plate composition square
The face of shape structure, stacks into array by the sound-producing device of multiple rectangular structures, relative in the prior art, is shaken by spill
The sound-producing device that dynamic model is realized, the array speaker system that the present embodiment is provided can reduce array speaker and be taken up space.
Further, since the first oscillating plate and the second oscillating plate are separate structure, driving of first oscillating plate in vibration signal
The lower vibration for carrying out first frequency scope, so as to conduct acoustic signals corresponding with first frequency scope；Second oscillating plate is shaking
The vibration of second frequency scope is carried out under the driving of dynamic signal, so as to conduct acoustic signals corresponding with second frequency scope.By
This, realizes the corresponding acoustic signals of conduction different frequency scope, that is, realize the high-low sound area point conduction of plane sound equipment.
As optional technical scheme, sound-producing device also includes：Bugle, is looped around the setting of the first oscillating plate, with directive property
Conduction acoustic signals corresponding with first frequency scope, so that in the array speaker system formed by multiple sound-producing devices,
During conducted acoustic waves, the acoustic signals interference between different sound-producing devices is reduced.
As optional technical scheme, the first oscillating plate is two, is separately positioned on the both sides of driving body, two first are shaken
Dynamic plate shares same driving body；Second oscillating plate is two, is separately positioned on the both sides of driving body, and two the second oscillating plates are shared
Same driving body.So that array speaker system is not in the case where increasing driving body, being capable of two-way propagation acoustic signals, saving
Consumables cost.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of array speaker system in the present embodiment；
Fig. 2 is a kind of sound-producing device overlooking the structure diagram in the present embodiment；
Fig. 3 is a kind of sound-producing device side view planing surface structural representation in the present embodiment.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be with
It is the connection of two element internals, can is wireless connection or wired connection.For one of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, technical characteristic involved in invention described below different embodiments non-structure each other
It can just be combined with each other into conflict.
Taken up space to reduce array speaker, present embodiment discloses a kind of array speaker system, refer to Fig. 1, be
The structural representation of the array speaker system, the array speaker system includes：Multiple sound-producing devices 100, sound-producing device 100 is square
Shape structure, each sound-producing device 100 stacks into array by side.Specifically, each sound-producing device 100 is in the structure of flat, its
Flat outer surface is oscillating plate, and for conducted acoustic waves signal, in an alternate embodiment of the invention, oscillating plate can be a pair, a pair
Oscillating plate is oppositely arranged, and various circuit chips are placed between a pair of oscillating plates.In the present embodiment, Fig. 2 and Fig. 3 are refer to, its
In, Fig. 2 is sound-producing device overlooking the structure diagram, and Fig. 3 is the sound-producing device side view planing surface structural representation.Sound-producing device 100
Including：Source of sound interface, driving body 1, the first oscillating plate 2 and the second oscillating plate 3, wherein：
Source of sound interface（Marked not shown in figure）For being connected with source of sound input equipment, the source of sound that source of sound input equipment is provided is received
Signal.In the present embodiment, alleged source of sound input equipment can be external or be arranged in sound-producing device.Source of sound connects
Mouth can be connected by Audio Data Line with source of sound input equipment；Wirelessly it can also connect with source of sound input equipment
Connect, the wireless mode such as wifi, bluetooth.In a particular embodiment,
Driving body 1 is connected with source of sound interface signal, and the response sound source signal of driving body 1, which produces the vibration matched with sound source signal, to be believed
Number.In the present embodiment, driving body 1 can be realized by existing electromagnetism moving-coil type, can also be realized, may be used also by piezoelectric type
To be realized by band dress magnetic circuit or high pressure excitation formula etc..
First oscillating plate 2 is connected with driving body 1, and the vibration of first frequency scope is carried out under the driving of vibration signal, with
Conduction acoustic signals corresponding with first frequency scope.In the present embodiment, alleged first frequency scope is high-frequency range, can
In the embodiment of choosing, first frequency scope is 2000HZ-12000HZ.In the present embodiment, the first oscillating plate 2 is by carrying out first
The vibration of frequency range is conducted to carry out the acoustic signals of high pitch.In a particular embodiment, the first oscillating plate is rigid material system
It is standby.For example, by special aviation-grade material thickness in such as below 1mm and relatively hard such as aluminium, titanium metal film, PEN, PEI are passed
The materials such as system pronunciation plastic film, bakelite diaphragm make, relative thin and the pronunciation board rich in rigidity（Film）, so as to send high frequency
Section 2000HZ-12000HZ high-frequency vibration.
Second oscillating plate 3 is connected with driving body 1, and the vibration of second frequency scope is carried out under the driving of vibration signal, with
Conduction acoustic signals corresponding with second frequency scope.In the present embodiment, the low-limit frequency of first frequency scope is more than or equal to
The highest frequency of second frequency scope.Specifically, second frequency scope is low frequency ranges, in an alternate embodiment of the invention, second
Frequency range is 50HZ-2000HZ.In an alternate embodiment of the invention, the second oscillating plate 3 is set around the first oscillating plate 2.Specific
In embodiment, the first oscillating plate 2 is thinner than the second oscillating plate 3.For example, the second oscillating plate 3 can use the honeybee thick more than 1mm to 10mm
Nest aluminium sheet, cardboard, the solid platelets material of cystosepiment or other flexibles, are made comprising plastic plate, relative thick and have bullet
The pronunciation board of property excites bending wave and sends middle low frequency 50HZ-2000HZ low frequency vibration.
In the present embodiment, the first oscillating plate 2 and the second oscillating plate 3 are separate structure, the first oscillating plate 2 and the second oscillating plate
3 constitute the face of sound-producing device rectangular configuration.In an alternate embodiment of the invention, the first oscillating plate 2 is two, is separately positioned on driving
The both sides of body, two the first oscillating plates share same driving body；Second oscillating plate 3 is two, is separately positioned on the two of driving body
Side, two the second oscillating plates share same driving body.Thus, the first oscillating plate 2 and the shape of the second oscillating plate 3 being oppositely arranged in pairs
Into the relative face of sound-producing device, so as to two-way propagation acoustic signals.Because the first oscillating plate 2 and the second oscillating plate 3 are
Separate structure, as a result, the first oscillating plate 2 and the second oscillating plate 3 can conduct high pitch and bass respectively, is then realized flat
The high-low sound area of face sound equipment point conduction.
In an alternate embodiment of the invention, the sound-producing device also includes：In fixed support 4, the present embodiment, fixed support 4 is in ring
Shape, the side for coating the second oscillating plate 3.In a particular embodiment, it can make firm with materials such as wood, aluminium alloy, iron
On-deformable fixed support realizes the protection to sound-producing device with this as the fixing device of whole system.
In an alternate embodiment of the invention, the sound-producing device also includes：Bugle, specifically, bugle are looped around the first oscillating plate 2 and set
Put, acoustic signals corresponding with first frequency scope are conducted with directive property.
In an alternate embodiment of the invention, driving body 1 includes：First driving body 11 and the second driving body 12, wherein：
First driving body 11 is connected with the first oscillating plate 2, the first oscillating plate 2 according to the first driving body respond sound source signal produce with
The vibration of first frequency scope is carried out under the driving of the corresponding vibration signal of first frequency scope.
Second driving body 12 is connected with the second oscillating plate 3, and the second oscillating plate 3 responds sound source signal according to the second driving body and produced
The vibration of second frequency scope is carried out under the driving of raw vibration signal corresponding with second frequency scope.
It should be noted that in specific implementation process, can be divided by frequency divider to sound source signal, dividing
After frequency, the sound source signal of first frequency scope is passed into the first driving body 11, the sound source signal of second frequency scope is transmitted
To the second driving body 12.
The array speaker system that the present embodiment is provided, due to the first oscillating plate of sound-producing device and the second oscillating plate composition square
The face of shape structure, stacks into array by the sound-producing device of multiple rectangular structures, relative in the prior art, is shaken by spill
The sound-producing device that dynamic model is realized, the array speaker system that the present embodiment is provided can reduce array speaker and be taken up space.
Further, since the first oscillating plate and the second oscillating plate are separate structure, driving of first oscillating plate in vibration signal
The lower vibration for carrying out first frequency scope, so as to conduct acoustic signals corresponding with first frequency scope；Second oscillating plate is shaking
The vibration of second frequency scope is carried out under the driving of dynamic signal, so as to conduct acoustic signals corresponding with second frequency scope.By
This, realizes the corresponding acoustic signals of conduction different frequency scope, that is, realize the high-low sound area point conduction of plane sound equipment.
In an alternate embodiment of the invention, sound-producing device also includes：Bugle, is looped around the setting of the first oscillating plate, is passed with directive property
Acoustic signals corresponding with first frequency scope are led, so that in the array speaker system formed by multiple sound-producing devices,
During conducted acoustic waves, the acoustic signals interference between different sound-producing devices is reduced.
In an alternate embodiment of the invention, the first oscillating plate is two, is separately positioned on the both sides of driving body, two first vibrations
Plate shares same driving body；Second oscillating plate is two, is separately positioned on the both sides of driving body, and two the second oscillating plates share same
One driving body.So that array speaker system is not in the case where increasing driving body, can two-way propagation acoustic signals, saved consumption
Material cost.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (9)
1. a kind of array speaker system, it is characterised in that including：
Multiple sound-producing devices, the sound-producing device is rectangular configuration, and each sound-producing device stacks into array by side；
The sound-producing device includes：
Source of sound interface, for being connected with source of sound input equipment, receives the sound source signal that the source of sound input equipment is provided；
Driving body, is connected with the source of sound interface signal, and the driving body responds the sound source signal and produced to be believed with the source of sound
Number vibration signal matched；
First oscillating plate, is connected with the driving body, and the vibration of first frequency scope is carried out under the driving of the vibration signal,
To conduct acoustic signals corresponding with the first frequency scope；
Second oscillating plate, is connected with the driving body, and the vibration of second frequency scope is carried out under the driving of the vibration signal,
To conduct acoustic signals corresponding with the second frequency scope；The low-limit frequency of the first frequency scope is more than or equal to institute
State the highest frequency of second frequency scope；
First oscillating plate and second oscillating plate are separate structure；First oscillating plate and the second oscillating plate structure
Into the face of the rectangular configuration.
2. array speaker system as claimed in claim 1, it is characterised in that the driving body includes：
First driving body, is connected with first oscillating plate, and first oscillating plate is according to being responded first driving body
Sound source signal produces the vibration that first frequency scope is carried out under the driving of vibration signal corresponding with the first frequency scope；
Second driving body, is connected with second oscillating plate, and second oscillating plate is according to being responded second driving body
Sound source signal produces the vibration that second frequency scope is carried out under the driving of vibration signal corresponding with the second frequency scope.
3. array speaker system as claimed in claim 1, it is characterised in that second oscillating plate is around the described first vibration
Plate is set.
4. array speaker system as claimed in claim 1, it is characterised in that the first frequency scope is 2000HZ-
12000HZ, the second frequency scope is 50HZ-2000HZ.
5. the array speaker system as described in claim 1-4 any one, it is characterised in that the sound-producing device also includes：
Fixed support, the fixed support is annular in shape, the side for coating second oscillating plate.
6. the array speaker system as described in claim 1-4 any one, it is characterised in that first oscillating plate is rigidity
It is prepared by material.
7. the array speaker system as described in claim 1-4 any one, it is characterised in that first oscillating plate is thinner than institute
State the second oscillating plate.
8. the array speaker system as described in claim 1-4 any one, it is characterised in that the sound-producing device also includes：
Bugle, is looped around first oscillating plate and sets, and conducting sound wave corresponding with the first frequency scope with directive property believes
Number.
9. the array speaker system as described in claim 1-4 any one, it is characterised in that
First oscillating plate is two, is separately positioned on the both sides of the driving body, two the first oscillating plates share same drive
Kinetoplast；
Second oscillating plate is two, is separately positioned on the both sides of the driving body, two the second oscillating plates share same drive
Kinetoplast.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459177.1A CN107087240A (en) | 2017-06-16 | 2017-06-16 | A kind of array speaker system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710459177.1A CN107087240A (en) | 2017-06-16 | 2017-06-16 | A kind of array speaker system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107087240A true CN107087240A (en) | 2017-08-22 |
Family
ID=59605809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710459177.1A Pending CN107087240A (en) | 2017-06-16 | 2017-06-16 | A kind of array speaker system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107087240A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050157905A1 (en) * | 2002-08-16 | 2005-07-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Loudspeaker |
| CN201557239U (en) * | 2009-10-20 | 2010-08-18 | 黄安福 | Plane sound box |
| CN102362309A (en) * | 2009-02-07 | 2012-02-22 | 莱纳·罗塞·威尔逊 | Acoustic absorber, acoustic transducer, and method for producing an acoustic absorber or an acoustic transducer |
| CN106664489A (en) * | 2014-06-05 | 2017-05-10 | 弗劳恩霍夫应用研究促进协会 | Loud-speaker system |
| CN207070289U (en) * | 2017-06-16 | 2018-03-02 | 深圳市一禾音视频科技有限公司 | A kind of array speaker system |
-
2017
- 2017-06-16 CN CN201710459177.1A patent/CN107087240A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050157905A1 (en) * | 2002-08-16 | 2005-07-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Loudspeaker |
| CN102362309A (en) * | 2009-02-07 | 2012-02-22 | 莱纳·罗塞·威尔逊 | Acoustic absorber, acoustic transducer, and method for producing an acoustic absorber or an acoustic transducer |
| CN201557239U (en) * | 2009-10-20 | 2010-08-18 | 黄安福 | Plane sound box |
| CN106664489A (en) * | 2014-06-05 | 2017-05-10 | 弗劳恩霍夫应用研究促进协会 | Loud-speaker system |
| CN207070289U (en) * | 2017-06-16 | 2018-03-02 | 深圳市一禾音视频科技有限公司 | A kind of array speaker system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11223897B2 (en) | Sound producing device | |
| WO2018123310A1 (en) | Flat panel speaker, and display device | |
| CN108566606A (en) | Microphone device and portable terminal | |
| CN201623850U (en) | Matrix form piezoelectricity panel speaker with a weighting structure and a damping structure | |
| CN102959991B (en) | Oscillator | |
| WO2022007174A1 (en) | Sound producing device | |
| CN104540080A (en) | Loudspeaker module | |
| CN110191401A (en) | Vibrating diaphragm and microphone device | |
| JP5272796B2 (en) | Flat speaker | |
| CN211531288U (en) | Sound production device | |
| CN103270776B (en) | Oscillation device and electronic equipment | |
| WO2020147540A1 (en) | Sound generation apparatus and electronic device | |
| US20170195797A1 (en) | Planar loudspeaker membrane for wide frequency range sound reproduction and speaker utilizing same | |
| US11856384B2 (en) | Speaker and electronic device | |
| CN207070289U (en) | A kind of array speaker system | |
| CN203027481U (en) | Piezoelectric speaker | |
| CN205123990U (en) | Bone conduction loudspeaker | |
| CN206559630U (en) | Loudspeaker | |
| CN206908833U (en) | Minitype acoustic generator | |
| CN107087240A (en) | A kind of array speaker system | |
| CN209526865U (en) | Loudspeaker | |
| CN207070328U (en) | A kind of sound-producing device | |
| WO2013100862A2 (en) | Mirror vibration speaker | |
| CN103959822A (en) | Planar speaker | |
| KR20170112611A (en) | Speaker capable of reproducing a multi voice range using bar magent |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170822 |