CN111081210A - Sound cavity partition structure of transparent sound production device - Google Patents
Sound cavity partition structure of transparent sound production device Download PDFInfo
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- CN111081210A CN111081210A CN202010011188.5A CN202010011188A CN111081210A CN 111081210 A CN111081210 A CN 111081210A CN 202010011188 A CN202010011188 A CN 202010011188A CN 111081210 A CN111081210 A CN 111081210A
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- 238000005192 partition Methods 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title abstract description 7
- 239000011521 glass Substances 0.000 claims abstract description 116
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000005357 flat glass Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
- G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings
- G10K9/20—Sounding members
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention relates to a sound cavity partition structure of a transparent sound production device, which comprises: the device comprises a main body structure, a plurality of partition strips and a plurality of sounding mechanisms; the main body structure further comprises a first layer of glass, a second layer of glass, a third layer of glass, a first fixing structural part and a second fixing structural part, wherein the second layer of glass is connected with the third layer of glass through the first fixing structural part to form a first hollow layer, and the first layer of glass is connected with the second layer of glass through the second fixing structural part to form a second hollow layer; and the plurality of partition strips are arranged in the second hollow layer, divide the second hollow layer into a plurality of pronunciation areas, the plurality of pronunciation areas are not communicated with each other, and the plurality of sounding mechanisms are correspondingly arranged in the plurality of pronunciation areas. The sound cavity partition structure of the transparent sounding device is provided with a plurality of independent sounding areas including a low-pitch area and a middle-high-pitch area, so that low pitch, middle-high pitch and high-pitch are independently finished in the respective sound cavities without mutual interference, and the volume and sound effect of the whole device are effectively improved.
Description
Technical Field
The invention relates to a transparent sound production device, in particular to a sound cavity partition structure of the transparent sound production device.
Background
Because current track traffic side window glass is a cavity glass window structure that the wall through third aluminium space stop bar formed between second layer glass and the third layer glass, consequently, prior art's transparent sound generating mechanism is on current track traffic side window glass's basis usually, and integrated power unit drives surperficial glass's vibration through power unit and realizes the sound production. The specific technical scheme is that a first layer of glass is added on the basis of a second layer of glass to form a structure of double-layer hollow glass, a power unit and a circuit thereof are integrated in a hollow layer between the first layer of glass and the second layer of glass, and the vibration of the first layer of glass is driven by the vibration of the power unit to push air to vibrate to generate sound.
Meanwhile, the periphery of the whole side window glass is divided into two areas, namely an invisible area and a transparent visible area, by means of silk-screen printing of black ink, and the power unit and related components thereof are arranged in the invisible area. In the hollow layer between the first layer of glass and the second layer of glass, the radial surface of the power unit is bonded with the first layer of glass and the second layer of glass in an adhesive mode, the first layer of glass and the second layer of glass are fixedly separated at the edge of the glass by using a first aluminum spacing strip, the upper surface and the lower surface of the aluminum spacing strip are bonded with the glass on the upper side and the lower side in an adhesive mode, and finally, a double-layer hollow structure formed by fixing the whole three layers of glass through a carbon fiber outer frame forms a rail transit side window glass assembly.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:
above-mentioned prior art's transparent sound generating mechanism is when the sound production, and its sound effect is relatively poor, and especially bass part effect is relatively poor, and the total volume can not obtain improving, consequently urgently needs a transparent sound generating mechanism's sound chamber subregion scheme to solve its relatively poor defect of sound effect.
Disclosure of Invention
In order to solve the technical problems in the prior art, the embodiment of the invention provides a sound cavity partition structure of a transparent sound generating device. The specific technical scheme is as follows:
in a first aspect, a sound cavity partition structure of a transparent sound generating device is provided, which includes:
the device comprises a main body structure, a plurality of partition strips and a plurality of sounding mechanisms;
the main body structure further comprises a first layer of glass, a second layer of glass, a third layer of glass, a first fixing structural part and a second fixing structural part, wherein the second layer of glass is connected with the third layer of glass through the first fixing structural part to form a first hollow layer, and the first layer of glass is connected with the second layer of glass through the second fixing structural part to form a second hollow layer; and
the plurality of partition strips are arranged in the second hollow layer, the second hollow layer is divided into a plurality of pronunciation areas, the plurality of pronunciation areas are not communicated with each other, and the plurality of pronunciation mechanisms are correspondingly arranged in the plurality of pronunciation areas.
In a first possible implementation manner of the first aspect, the main body structure further includes a carbon fiber outer frame wrapping edges of the first layer of glass, the second layer of glass, and the third layer of glass.
In a second possible implementation manner of the first aspect, the edges of the first layer of glass, the second layer of glass, and the third layer of glass are respectively provided with a black ink area, the first fixing structural member, the second fixing structural member, the plurality of partition strips, and the plurality of sounding mechanisms are located in the black ink area, and the middle portions of the first layer of glass, the second layer of glass, and the third layer of glass are transparent and visible areas.
In a third possible implementation manner of the first aspect, the first fixed structural component, the second fixed structural component, and the plurality of partition bars are all aluminum spacer bars.
In a fourth possible implementation manner of the first aspect, the plurality of partition strips and the second fixing structural member are of an integrated structure.
In a fifth possible implementation manner of the first aspect, the plurality of sound-producing regions include at least one bass region and at least one midrange-high region, the at least one bass region is used for providing bass audio playing, and the at least one midrange-high region is used for providing midrange-high audio playing.
With reference to the fifth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, the multiple sounding mechanisms are multiple power units, two ends of each power unit are respectively connected to the first layer of glass and the second layer of glass and are correspondingly disposed in at least one bass region and at least one treble region, the multiple power units sound by driving the first layer of glass to vibrate, and an area of the bass region is larger than an area of the treble region.
With reference to the sixth possible implementation manner of the first aspect, in a seventh possible implementation manner of the first aspect, when the sound cavity partition structure of the transparent sound generating apparatus generates sound, the audio signal is divided into a low-frequency signal and a middle-high-frequency signal by means of a frequency divider, and the low-frequency signal and the middle-high-frequency signal are correspondingly transmitted to the power unit located in at least one low-sound region and the power unit located in at least one middle-high-sound region.
With reference to the fifth possible implementation manner of the first aspect, in an eighth possible implementation manner of the first aspect, the multiple sounding mechanisms are multiple sounding units, one sides of the multiple sounding units are attached to the second layer of glass and are correspondingly disposed in at least one bass region and at least one alt region, the other sides of the multiple sounding units are sounding sides, and the first layer of glass is further provided with multiple sounding holes corresponding to the sounding sides of the multiple sounding units.
With reference to the eighth possible implementation manner of the first aspect, in a ninth possible implementation manner of the first aspect, a dust screen is further disposed at a position, corresponding to the sound outlet, on the inner side of the first layer of glass.
Compared with the prior art, the invention has the advantages that:
the sound cavity partition structure of the transparent sounding device is provided with a plurality of independent sounding areas including a low-pitch area and a middle-high-pitch area, so that low pitch, middle-high pitch and high-pitch are independently finished in the respective sound cavities without mutual interference, and the volume and sound effect of the whole device are effectively improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sound cavity partition structure of a transparent sound generating apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic top view of a sound cavity partition structure of the transparent sound generating device shown in fig. 1 according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of an internal structure of a sound cavity partition structure of the transparent sound generating apparatus shown in fig. 1 according to an embodiment of the present invention.
Fig. 4 is another structural diagram of the sound cavity partition structure of the transparent sound generating apparatus according to an embodiment of the present invention.
Fig. 5 is a schematic top view of the sound cavity partition structure of the transparent sound generating device shown in fig. 4 according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of the internal structure of the sound cavity partition structure of the transparent sound generating device shown in fig. 4 according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In an embodiment of the present invention, please refer to fig. 1, which shows a schematic structural diagram of a sound cavity partition structure 1 of a transparent sound generating apparatus according to an embodiment of the present invention. Transparent sound generating mechanism's sound chamber subregion structure 1 includes major structure 2, a plurality of subregion strip 3 and a plurality of sound generating mechanism 4, wherein:
the main body structure 2 further includes a first layer of glass 21, a second layer of glass 22, a third layer of glass 23, a first fixing structural member 24 and a second fixing structural member 25, wherein the second layer of glass 22 and the third layer of glass 23 are connected by the first fixing structural member 24, and the connection manner is usually, but not limited to, a bonding manner by an adhesive. The second pane 22 is separated from the third pane 23 by a first fixed structural member 24 to form a first hollow layer 26, typically a hollow glass window structure.
The first layer of glass 21 and the second layer of glass 22 are connected by a second fixing structure 25, which is usually, but not limited to, connected by bonding with an adhesive. The first glass 21 and the second glass 22 are separated by the second fixing structure 25 to form the second hollow layer 27, so that the first glass 21, the second glass 22 and the third glass 23 form a double-layer hollow glass structure.
In a preferred embodiment, referring to fig. 1 again, the main body structure 2 further includes a carbon fiber outer frame 28, and the carbon fiber outer frame 28 is wrapped around the edges of the first layer of glass 21, the second layer of glass 22 and the third layer of glass 23 for protecting and mounting the first layer of glass 21, the second layer of glass 22 and the third layer of glass 23, but not limited thereto.
In a preferred embodiment, please refer to fig. 1 and fig. 2 simultaneously, wherein fig. 2 shows a schematic top view of the sound cavity partition structure 1 of the transparent sound generating apparatus shown in fig. 1 according to an embodiment of the present invention. The edges of the first layer of glass 21, the second layer of glass 22 and the third layer of glass 23 are respectively provided with a black ink area 201, the edges of the first layer of glass 21, the second layer of glass 22 and the third layer of glass 23 are printed with black ink, so that the periphery of the first layer of glass 21, the second layer of glass 22 and the third layer of glass 23 is changed into an opaque state, the two-layer hollow glass is an invisible area of the structure of the double-layer hollow glass, the middle parts of the first layer of glass 21, the second layer of glass 22 and the third layer of glass 23 are transparent visible areas 202, and the first fixing structural member 24, the second fixing structural member 25, the plurality of partition strips 3 and the plurality of sounding mechanisms 4 are located in the black.
The plurality of partition bars 3 are arranged in the second hollow layer 27, the upper end and the lower end of each partition bar are respectively bonded on the first layer of glass 21 and the second layer of glass 22 through adhesives, the second hollow layer 27 is divided into the plurality of sounding regions 5 through the plurality of partition bars 3, and the plurality of sounding regions 5 are not communicated with each other so as to prevent the sounding regions 5 from mutually interfering during sounding. Referring to fig. 3, a schematic diagram of an internal structure of the sound cavity partition structure 1 of the transparent sound generating apparatus shown in fig. 1 according to an embodiment of the present invention is shown. Preferably, the plurality of partition strips 3 and the second fixing structural member 25 are of an integral structure, the plurality of partition strips 3 and the second fixing structural member 25 form a plurality of special-shaped partition strips 7, each special-shaped partition strip 7 is of a closed-loop structure, and the upper end and the lower end of each special-shaped partition strip 7 are respectively bonded with the first layer of glass 21 and the second layer of glass 22, so that the plurality of formed sounding regions 5 are not communicated, and the shape of the special-shaped partition strips 7 can be manufactured according to actual needs, but not limited thereto.
In a preferred embodiment, the first fixing structure 24, the second fixing structure 25 and the plurality of section bars 3 are all aluminum spacer bars, but not limited thereto, and those skilled in the art may select other suitable first fixing structure 24, second fixing structure 25 and plurality of section bars 3 according to actual requirements.
In a preferred embodiment, please refer to fig. 3 and fig. 6 simultaneously, wherein 6 shows an internal structure schematic diagram of the sound cavity partition structure 1 of the transparent sound generating apparatus shown in fig. 4 according to an embodiment of the present invention. The plurality of sound-producing regions 5 include at least one bass region 51 and at least one midrange and high-range region 52, where the at least one bass region 51 is used for providing bass audio playback, and the at least one midrange and high-range region 52 is used for providing midrange and high-range audio playback, but not limited thereto. In the present embodiment, the number of the at least one low sound region 51 is two, the number of the at least one middle and high sound region 52 is two, the two low sound regions 51 are symmetrically disposed on two sides of the short side of the main body structure 2, and the two middle and high sound regions 52 are symmetrically disposed on two sides of the long side of the main body structure 2, but not limited thereto.
The plurality of sound emission mechanisms 4 are provided in the plurality of sound emission regions 5. Referring to fig. 1 and fig. 4 simultaneously, fig. 4 shows another structural schematic diagram of the sound cavity partition structure 1 of the transparent sound generating apparatus according to an embodiment of the present invention. The plurality of sound generating mechanisms 4 disclosed in this embodiment may be a plurality of power units 41 or a plurality of sound generating units 42, and as to which structure is selected as the sound generating mechanism 4, those skilled in the art can select the structure according to actual sound generating requirements.
In a preferred embodiment, referring to fig. 1 again, the sound-emitting mechanisms 4 are a plurality of power units 41, two ends of each of the power units 41 are respectively connected to the first layer of glass 21 and the second layer of glass 22, the connection is usually through adhesive bonding, and the adhesive used in the connection must be capable of transmitting structural stress, but not limited thereto. The plurality of power units 41 are correspondingly disposed in at least one low sound region 51 and at least one medium-high sound region 52. Preferably, the number of the power units 41 arranged in the at least one low sound region 51 and the at least one medium sound region 52 is the same, but not limited thereto.
The plurality of power units 41 drive the first glass 21 to vibrate to generate sound, and because the larger the area is, the larger the amplitude of vibration is, and the better the bass effect is, under the same action of the power units 41, it is preferable to set the area of the bass region 51 to be larger than the area of the medium-high region 52 to improve the bass sound generation effect, but the invention is not limited thereto.
In another preferred embodiment, when the sound cavity partition structure 1 of the transparent sound generating apparatus generates sound, the circuit for driving the power unit 41 to vibrate is usually disposed in the second hollow layer 27, and divides the audio signal into a low frequency signal and a middle and high frequency signal by means of a frequency divider, and correspondingly transmits the low frequency signal and the middle and high frequency signal to the power unit 41 located in at least one low tone region 51 and the power unit 41 located in at least one middle and high tone region 52, where the low tone region 51 provides low tone audio playback for an independent bass speaker and the middle and high tone region 52 provides middle and high tone audio playback for an independent middle and high tone speaker, but not limited thereto.
In a preferred embodiment, referring to fig. 4 again, the sound-generating mechanisms 4 are a plurality of sound-generating units 42, the sound-generating units 42 can be common cone speakers, or speakers with different models can be used according to different requirements, and one side of the sound-generating units 42 is adhered to the second layer of glass 22 and is correspondingly disposed in at least one bass region 51 and at least one midrange region 52. Referring to fig. 6 again, the corresponding arrangement here means that the bass sound-generating unit 421 in the plurality of sound-generating units 42 is arranged in the bass region 51, and the midrange sound-generating unit 422 in the plurality of sound-generating units 42 is arranged in the midrange sound region 52, and specifically, the speakers with corresponding model functions can be adopted according to actual application scenarios, so as to flexibly meet the requirements of different application scenarios.
Referring to fig. 4 and 5 together, please refer to fig. 5, in which fig. 5 shows a schematic top view of the sound cavity partition structure 1 of the transparent sound generating device shown in fig. 4 according to an embodiment of the present invention. Still be provided with a plurality of holes 211 that go out that correspond with a plurality of sound generating unit 42's the sound side on the first layer glass 21, audio signal passes through the distribution of frequency divider, distributes well high sound signal to well high sound generating unit 42, distributes bass signal to bass sound generating unit 42 for whole sound scheme can accomplish the full frequency channel response like this, effectively improves the volume and the audio of whole device.
In another preferred embodiment, referring to fig. 4 again, the inner side of the first layer of glass 21 is further provided with a dust screen 6 at a position corresponding to the sound outlet 211, that is, the dust screen 6 is disposed in the second hollow layer 27 and attached to the sound outlet 211 to prevent dust from entering, and meanwhile, since each sound emitting area 5 is an independent closed space, moisture, dust, and the like can be prevented from entering the transparent visible area 202 between the first layer of glass 21 and the second layer of glass 22 through the sound outlet 211, so as to avoid affecting the light transmittance and the haze of the transparent visible area 202, but not limited thereto.
The foregoing description shows and describes several preferred embodiments of the invention, but as aforementioned, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A sound cavity partition structure of a transparent sound generating device, comprising:
the device comprises a main body structure, a plurality of partition strips and a plurality of sounding mechanisms;
the main body structure further comprises a first layer of glass, a second layer of glass, a third layer of glass, a first fixing structural part and a second fixing structural part, wherein the second layer of glass is connected with the third layer of glass through the first fixing structural part to form a first hollow layer, and the first layer of glass is connected with the second layer of glass through the second fixing structural part to form a second hollow layer; and
the plurality of partition strips are arranged in the second hollow layer, the second hollow layer is divided into a plurality of pronunciation areas, the plurality of pronunciation areas are not communicated with each other, and the plurality of pronunciation mechanisms are correspondingly arranged in the plurality of pronunciation areas.
2. The sound cavity partition structure of the transparent sound generating apparatus according to claim 1, wherein the main body structure further comprises a carbon fiber outer frame covering edges of the first layer of glass, the second layer of glass and the third layer of glass.
3. The sound cavity partition structure of the transparent sound generating apparatus according to claim 1, wherein the edges of the first layer of glass, the second layer of glass, and the third layer of glass are respectively provided with black ink areas, the first fixing structure, the second fixing structure, the plurality of partition strips, and the plurality of sound generating mechanisms are located in the black ink areas, and the middle portions of the first layer of glass, the second layer of glass, and the third layer of glass are transparent and visible areas.
4. The sound cavity partition structure of a transparent sound-emitting device according to claim 1, wherein the first fixing structure, the second fixing structure and the plurality of partition bars are aluminum spacer bars.
5. The sound cavity partition structure of a transparent sound-emitting device according to claim 1, wherein said plurality of partition bars and said second fixing structure are of an integral structure.
6. The sound cavity partition structure of a transparent sound-emitting device according to claim 1, wherein said plurality of sound-emitting regions include at least one bass region for providing bass audio playback and at least one midhigh region for providing midhigh audio playback.
7. The sound cavity partition structure of the transparent sound generating apparatus according to claim 6, wherein the plurality of sound generating mechanisms are a plurality of power units, two ends of the plurality of power units are respectively connected to the first layer of glass and the second layer of glass and are correspondingly disposed in the at least one bass region and the at least one midbass region, the plurality of power units generate sound by driving the first layer of glass to vibrate, and an area of the bass region is larger than an area of the midbass region.
8. The sound cavity partition structure of a transparent sound generating apparatus according to claim 7, wherein when the sound generating apparatus generates sound, the sound cavity partition structure divides the audio signal into a low frequency signal and a middle and high frequency signal by means of a frequency divider, and correspondingly transmits the signals to the power unit located in the at least one low sound region and the power unit located in the at least one middle and high sound region.
9. The sound cavity partition structure of the transparent sound generating apparatus according to claim 6, wherein the plurality of sound generating mechanisms are a plurality of sound generating units, one side of each of the plurality of sound generating units is adhered to the second layer of glass and is correspondingly disposed in the at least one bass region and the at least one alt-up region, the other side of each of the plurality of sound generating units is a sound generating side, and the first layer of glass is further provided with a plurality of sound generating holes corresponding to the sound generating sides of the plurality of sound generating units.
10. The sound cavity partition structure of the transparent sound generating apparatus according to claim 9, wherein a dust screen is further disposed at a position corresponding to the sound outlet on the inner side of the first layer of glass.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010011188.5A CN111081210A (en) | 2020-01-06 | 2020-01-06 | Sound cavity partition structure of transparent sound production device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010011188.5A CN111081210A (en) | 2020-01-06 | 2020-01-06 | Sound cavity partition structure of transparent sound production device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005204102A (en) * | 2004-01-16 | 2005-07-28 | Alps Electric Co Ltd | Sound generator |
| TW201025293A (en) * | 2008-12-31 | 2010-07-01 | Beijing Funate Innovation Tech | Acoustic module and acoustic device using the same |
| CN108124218A (en) * | 2016-11-30 | 2018-06-05 | 乐金显示有限公司 | Panel vibration type sounding display device |
| CN109525915A (en) * | 2019-01-22 | 2019-03-26 | 江苏铁锚玻璃股份有限公司 | The transparent sound equipment unidirectionally spoken |
| CN211628682U (en) * | 2020-01-06 | 2020-10-02 | 江苏铁锚玻璃股份有限公司 | Sound cavity partition structure of transparent sound production device |
-
2020
- 2020-01-06 CN CN202010011188.5A patent/CN111081210A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005204102A (en) * | 2004-01-16 | 2005-07-28 | Alps Electric Co Ltd | Sound generator |
| TW201025293A (en) * | 2008-12-31 | 2010-07-01 | Beijing Funate Innovation Tech | Acoustic module and acoustic device using the same |
| CN108124218A (en) * | 2016-11-30 | 2018-06-05 | 乐金显示有限公司 | Panel vibration type sounding display device |
| CN109525915A (en) * | 2019-01-22 | 2019-03-26 | 江苏铁锚玻璃股份有限公司 | The transparent sound equipment unidirectionally spoken |
| CN211628682U (en) * | 2020-01-06 | 2020-10-02 | 江苏铁锚玻璃股份有限公司 | Sound cavity partition structure of transparent sound production device |
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