CN204593669U - With the air cleaning unit of audio amplifier - Google Patents
With the air cleaning unit of audio amplifier Download PDFInfo
- Publication number
- CN204593669U CN204593669U CN201520036786.2U CN201520036786U CN204593669U CN 204593669 U CN204593669 U CN 204593669U CN 201520036786 U CN201520036786 U CN 201520036786U CN 204593669 U CN204593669 U CN 204593669U
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- air
- audio amplifier
- casing
- port
- accommodating cavity
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Abstract
The utility model discloses a kind of air cleaning unit with audio amplifier, comprise air purifier, audio amplifier and wooden casing, air purifier accommodating cavity and audio amplifier accommodating cavity is provided with in casing, air purifier comprises filter, vent passages and blower fan, the side of vent passages is air-inlet cavity, the opposite side of vent passages is air-out chamber, the port of air-inlet cavity is located at by filter, blower fan is located between air-inlet cavity and air-out chamber, and the port in air-out chamber is at least one, the port of air-inlet cavity and the port in air-out chamber be formed on casing; Audio amplifier comprises loudspeaker and is circumscribed with the power board of bluetooth or WIFI module, and casing offers the sound mouth matched with loudspeaker, power board is connected on casing.The new good fusion realizing air purifier and audio amplifier in the casing of wooden structures of this reality, improves the utilization rate in space, when inner space is compact, reduces noise by music, less energy consumption, noise are low, health environment-friendly.
Description
Technical field
The utility model relates to a kind of air cleaning unit, particularly relates to a kind of air cleaning unit with audio amplifier.
Background technology
Air purifier all has application at house, medical treatment, industrial circle, commercial field.Topmost function removes the particle in air, comprises anaphylactogen, indoor PM2.5 etc., can also solve volatile organic matter air pollution problems inherent in the indoor because finishing or other reasons cause, the underground space, car simultaneously.Along with social economy's persistent levels advances, the demand of people to quality of life improves day by day, more and more pays close attention to the living environment residing for self.Therefore, the public is also more and more higher with requirement to the demand of air purifier.But current existing air purifier is all generally form plastic casing by plastic material by mould punching, its mould relative complex, and die sinking cost is higher, the most important thing is the inadequate environment protection health of plastic products.On the other hand, the air purifier function only possessing purification function is more single, and all energy is joyful cannot to make the public's body and mind during use.And blower fan itself exists certain noise, therefore can cover noise by music, but compare again take up room as independent configuration sound equipment solves this problem, and increase cost.
Therefore, be badly in need of a kind of environment protection health, structure is simple, cost is lower and air cleaning unit that the is band audio amplifier of feature richness solves the problems referred to above.
Utility model content
The purpose of this utility model is to provide a kind of environment protection health, structure is simple, cost is lower and the air cleaning unit of the band audio amplifier of feature richness.
To achieve these goals, the utility model discloses a kind of air cleaning unit with audio amplifier, comprise air purifier, audio amplifier and wooden casing, air purifier accommodating cavity and audio amplifier accommodating cavity is provided with in described casing, described air purifier comprises filter, vent passages and blower fan, the side of described vent passages is air-inlet cavity, the opposite side of described vent passages is air-out chamber, the port of described air-inlet cavity is located at by described filter, described blower fan is located between described air-inlet cavity and described air-out chamber, the port in described air-out chamber is at least one, the port of described air-inlet cavity and the port in described air-out chamber are formed on described casing, described audio amplifier comprises loudspeaker and is circumscribed with the power board of bluetooth or WIFI module, and described casing offers the sound mouth matched with described loudspeaker, described power board is connected on described casing.
Preferably, described casing comprises top board, base plate, left plate, right plate, header board, rear plate and dividing plate, described top board, base plate, left plate, right plate, header board and rear plate mutually splice and cross an inner space, described dividing plate is positioned at described inner space and makes described inner space be separated out described air purifier accommodating cavity and described audio amplifier accommodating cavity, the quantity of the described blower fan in described air purifier accommodating cavity is at least one, and the quantity of the described loudspeaker in described audio amplifier accommodating cavity is at least one.
Preferably, described audio amplifier accommodating cavity layout symmetrically centered by described air purifier accommodating cavity, the inside of each described audio amplifier accommodating cavity is provided with described loudspeaker, and the outer cup of each described audio amplifier accommodating cavity is provided with a saturating sound net; Described air purifier accommodating cavity is positioned at the center of described casing and through described header board and rear plate, and the port of described air-inlet cavity is opened on described base plate, and the quantity of described blower fan is one, and the port in described air-out chamber is opened on described top board.
Preferably, described air purifier accommodating cavity and described audio amplifier accommodating cavity are in arrangement one on the other, and described loudspeaker are two and are setting side by side; The port of described air-inlet cavity is opened on described rear plate, and described blower fan is two and in setting side by side, the port in described air-out chamber is opened on described header board, and described header board outside is provided with front mesh enclosure, and described rear plate outside is provided with rear net cover.
Preferably, described air purifier accommodating cavity and described audio amplifier accommodating cavity are tandem arrangement, and described loudspeaker are five and are arranged in row; The port of described air-inlet cavity is opened on described rear plate, and described blower fan is four and is arranged in row, and the port in described air-out chamber is opened on described left plate and described right plate, and described header board outside is provided with front mesh enclosure, and described rear plate outside is provided with rear net cover.
Preferably, be also provided with air-out guide frame in described air-out chamber, described air-out guide frame is located at the rear side of described blower fan.
Preferably, the outer surface of described casing is provided with protective layer, and the inner surface of described casing is provided with antistatic backing, and described bottom half is provided with foot pad or castor, and the outside of described casing is provided with guard strip for the protection of described casing and angle wrapping structure.
Preferably, described filter is high efficiency composition screen pack, and described high efficiency composition screen pack comprises the first active layer of antibacterial cotton, high-efficiency low-resistance filter mesh layer, efficiently removes formaldehyde filter course and the degerming layer of reinforced catalysis.
Preferably, the dismountable port being arranged at described air-inlet cavity of described high efficiency composition screen pack.
Preferably, the air cleaning unit of described band audio amplifier also includes anion generator, and described anion generator is installed in described air-out chamber.
Compared with prior art, the air cleaning unit of the utility model disclosed band audio amplifier adopts wooden body structure, decreases die sinking expense, reduces cost, more health environment-friendly.In casing, arrange air purifier and be equipped with audio amplifier, the good fusion of both realizations function, whole vent passages adopts the straight draft type directly gone out, and structure is simple, and ventilation effect is good.Improve the utilization rate in space, when inner space is enriched more, reduce noise further by music.In the music environment of grace, experience more pure and fresh air when user uses, body and mind is joyful.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of the first embodiment of the air cleaning unit of the utility model band audio amplifier.
Fig. 2 is the perspective view of the first embodiment of the air cleaning unit of the utility model band audio amplifier.
Fig. 3 is the sectional view of Fig. 2 along A-A direction.
Fig. 4 is the decomposition texture schematic diagram in a direction of the second embodiment of the air cleaning unit of the utility model band audio amplifier.
Fig. 5 is the decomposition texture schematic diagram of the other direction of the second embodiment of the air cleaning unit of the utility model band audio amplifier.
Fig. 6 is the perspective view of the second embodiment of the air cleaning unit of the utility model band audio amplifier.
Fig. 7 is the sectional view of Fig. 6 along B-B direction.
Fig. 8 is the decomposition texture schematic diagram of the 3rd embodiment of the air cleaning unit of the utility model band audio amplifier.
Fig. 9 is the perspective view of the 3rd embodiment of the air cleaning unit of the utility model band audio amplifier.
Figure 10 is the sectional view of Fig. 9 along C-C direction.
Figure 11 is the sectional view of Fig. 9 along D-D direction.
Detailed description of the invention
By describing technology contents of the present utility model, structural feature in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Refer to Fig. 1 to Figure 11, the utility model discloses a kind of air cleaning unit 100 with audio amplifier, comprise the casing 10 of wooden structures, air purifier 20 and audio amplifier 30.More preferably, casing 10 is mutually spliced by top board 11, base plate 12, left plate 13, right plate 14, header board 15 and rear plate 16 6 and is crossed an inner space.The dividing plate 17 being positioned at this inner space is divided into air purifier accommodating cavity 10a and audio amplifier accommodating cavity 10b.Wherein, air purifier 20 comprises filter 21, vent passages 22 and blower fan 23.The side of vent passages 22 is air-inlet cavity 221, and the opposite side of vent passages 22 is air-out chamber 222.Filter 21 is arranged at the port 221a place of air-inlet cavity 221.Blower fan 23 is fixedly arranged between air-inlet cavity 221 and air-out chamber 222 by fan installation plate 231.The port 221a of the air-inlet cavity 221 and port 222a in air-out chamber 222 is formed on casing 10.More preferably, blower fan 23 adopts the brshless DC motor of low-power consumption, low-noise strong blast volume.Be specially efficient quiet square frame fan.Audio amplifier 30 comprises loudspeaker 31 and is circumscribed with the power board 32 of bluetooth or WIFI module, only need can play beautiful music with the equipment such as desktop PC, notebook computer, mobile phone by bluetooth or the input of WIFI audio frequency.Particularly, power board 32 is connected on casing 10.Loudspeaker 31 are Full-frequency trumpet.Casing 10 offers the sound mouth matched with loudspeaker 31.Audio amplifier 30 also can be provided with treble portion 311 or bass part 312.Air cleaning unit 100 with audio amplifier operates use by remote controller, also can be provided with button 40 in casing 10 outside and carry out manual operation.More specifically:
The structure of casing 10 can carry out respective design according to air purifier 20 and the permutation and combination relation of audio amplifier 30 and the quantity of fan 23 and loudspeaker 31.Its profile can be square, rectangle, triangle or cylindrical etc.Casing 10 can adopt the solid woods such as kahikatea wood, oak, teak to make.In order to moistureproof or fire prevention, layer protective layer can be pasted at the outer surface of casing 10, as Fire-protection layer board or moistureproof laminate.And because being wooden structures, in order to prevent in use, because Electrostatic Absorption wood chip affects result of use, therefore can be used as preventing electrostatic protection layer in the inner surface painting of casing 10 or white glue with vinyl.More preferably, bottom base plate 12, be provided with the foot pad 50 making casing 10 entirety higher than placed side, due to higher than placed side, make audio amplifier can obtain better resonant space, thus can obtain better acoustical quality.And the height of foot pad 50 can adjust according to actual needs.Simultaneously for the ease of movement, bottom base plate 12, also castor 60 can be installed.More preferably, the guard strip 17 for the protection of casing 10 and angle wrapping structure 18 can also be added in the outside of casing 10, as shown in Figure 6.
Filter 21 is high efficiency composition screen pack, and high efficiency composition screen pack comprises the first active layer of antibacterial cotton, high-efficiency low-resistance filter mesh layer, efficiently removes formaldehyde filter course and the degerming layer of reinforced catalysis.The setting of certainly concrete composite bed is also change flexibly according to actual needs, can be any several combined in above composite bed.Wherein just active layer can bulky grain and the common house dust such as filtering hair, pet hair for antibacterial cotton.High-efficiency low-resistance particulate air filter course can filter diameter be effectively the particle of 0.26 μm-0.3 μm.The efficient active carbon except the process of formaldehyde filter course employing special process catalytic modification, can clean the gas containing formaldehyde and other pernicious gases immediately.The degerming layer of reinforced catalysis makes multiplely have taste gas to resolve into harmless tasteless substance at normal temperatures and pressures, chemisorbed is changed into by simple physical absorption, limit absorption is just decomposed, and effectively can kill various bacteria, and the toxin that bacterium or fungi can be discharged decomposes and harmless treatment; The pernicious gases such as formaldehyde, benzene, toluene, TVOC can also be removed simultaneously, generate water and carbon dioxide.Further, for the ease of unpicking and washing and changing, the dismountable port 221a place being arranged at air-inlet cavity 221 of high efficiency composition screen pack 21.Further, in order to better purification and sterilization, the air cleaning unit 100 of the application's band audio amplifier can also be provided with anion generator 24, and anion generator 24 is located in air-out chamber 222.
In a first embodiment, please refer to Fig. 1 to Fig. 3, audio amplifier accommodating cavity 10b layout symmetrically centered by air purifier accommodating cavity 10a.Each accommodating cavity 10b inside is provided with loudspeaker 31, and the sound mouth of 2 loudspeaker 31 is opened on left plate 13 and right plate 14 respectively.2 loudspeaker 31 are Full-frequency trumpet.Left plate 13 and right plate 14 outside all add sound net 70.The shape of concrete sound net 70 thoroughly can be arranged according to the structure of left plate 13 and right plate 14, and more excellent is circular arc.Air purifier accommodating cavity 10a is positioned at the center of casing 10 and through top board 11 and base plate 12.The port 221a of air-inlet cavity 221 is opened on base plate 12.High efficiency composition screen pack 21 is movably connected in port 221a place.The quantity of fan 23 is 1.The port 222a in air-out chamber 222 is opened on top board 11.Concrete opening shape can be grid-like or poroid.Anion generator 24 is installed in air-out chamber 222.
The base plate 12 of air from casing 10 is sucked by the suction produced by fan 23 running, and after high efficiency composition screen pack 21 filters, the air after purification discharges from top board 11, i.e. direction shown in arrow air intake and air-out in vent passages in Fig. 3.Realize straight in vent passages 22 of air directly to go out.
In a second embodiment, please refer to Fig. 4 to Fig. 7, air purifier accommodating cavity 10a arranged is in the top of audio amplifier accommodating cavity 10b, and the treble portion 311 of audio amplifier 30 is all opened in header board 15 bottom with the sound mouth of bass part 312.Bass part 312 is through the installing hole be opened on base plate 12 and be fixed in casing 10 by bass screen frame 313.Certain audio amplifier 30 is also provided with bass guide pipe 33 to obtain better bass effect.According to actual needs, also only can have treble portion, not establish bass part.The port 221a of air-inlet cavity 221 is opened in rear plate 16 top, and high efficiency composition screen pack 21 is movably connected in port 221a place, and 2 fans 23 are disposed side by side between air-inlet cavity 221 and air-out chamber 222, and the port 222a in air-out chamber 222 is opened in header board 15 top.More preferably, in order to air-out is more concentrated, wind gathering pipe can also be added at the port 222a in air-out chamber 222.Further, in order to attractive in appearance, can add a rear net cover 80 in rear plate 16 outside, add a front mesh enclosure 90 in the outside of header board 15, rear net cover 80 and front mesh enclosure 90 are specifically as follows iron net, also can be aluminium nets.Both ventilation structures can be the same, also can be different.On base plate 12, the height of foot pad 50 can adjust according to actual needs.Button 40 is arranged on the top board 11 of wooden casing 10.Anion generator 24 is installed in air-out chamber 222.
The air intake port 221a inspiration that air is offered from rear plate 16 by the suction operating generation by 2 fans 23, after high efficiency composition screen pack 21 filters, the air-out port 222a that the air after purification is offered from header board 15 discharges, and realizes the straight of ventilation and directly going out.Concrete direction air intake and air-out in vent passages as shown by the arrows in Figure 7.
In the third embodiment, please refer to Fig. 8 to Figure 11, air purifier accommodating cavity 10a spread configuration is in the rear of audio amplifier accommodating cavity 10b.The sound mouth of 5 loudspeaker is all opened on header board 15.Bass part 312 is through the installing hole be opened on base plate 12 and be fixed in casing 10 by bass screen frame 313.Audio amplifier 30 is also provided with bass guide pipe 33 to obtain better bass effect.In order to purify the air of greater room, 4 23 one-tenth, fan one row are arranged.The port 221a of air-inlet cavity 221 is opened on rear plate 16.The port 222a in air-out chamber 222 is opened in the symmetrical region on left plate 13 and right plate 14.。The port 222a in certain air-out chamber 222 also can be opened on top board 11, certainly can also be opened on top board 11, left plate 13 and right plate 14 simultaneously.Concrete port shape can be grid-like or poroid.Further, in order to air-out is more even, in air-out chamber 222, also air-out guide plate 25 can be provided with.Particularly, air-out guide plate 25 is fixedly arranged on the rear side of 4 fans 23, air-out chamber 222 is divided into impartial left and right two parts.Its effect be by purification after air to lead the left plate 13 of wooden casing 10 and right biside plate 14 direction air-out.Further, for the ease of movement, base plate 12 can also be provided with castor 60, the left plate 13 of wooden casing 10 and right plate 14 also can be provided with assurance groove to hold when moving.
To be operated the air intake port 221a inspiration that air offers from rear plate 16 by the suction that produces by 4 fans 23, after high efficiency composition screen pack 21 filters, air after purification corresponding air-out port 222a offered from left plate 13 and right plate 14 discharges, to reach the effect of air-out.Concrete direction air intake and air-out in vent passages as shown by the arrows in Figure 10.Certainly in order to purify greater room, improve purification efficiency, the quantity of fan 23 also can be 8,16 etc., and its quantity specifically sets according to actual needs with arrangement.
Compared with prior art, the air cleaning unit of the utility model disclosed band audio amplifier adopts wooden body structure, decreases die sinking expense, reduces cost, more health environment-friendly.In casing, arrange air purifier and be equipped with audio amplifier, the good fusion of both realizations function, whole vent passages adopts the straight draft type directly gone out, and structure is simple, and ventilation effect is good.Improve the utilization rate in space, when inner space is enriched more, reduce noise further by music.In the music environment of grace, experience more pure and fresh air when user uses, body and mind is joyful.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (10)
1. the air cleaning unit with audio amplifier, it is characterized in that, comprise air purifier, audio amplifier and wooden casing, air purifier accommodating cavity and audio amplifier accommodating cavity is provided with in described casing, described air purifier comprises filter, vent passages and blower fan, the side of described vent passages is air-inlet cavity, the opposite side of described vent passages is air-out chamber, the port of described air-inlet cavity is located at by described filter, described blower fan is located between described air-inlet cavity and described air-out chamber, the port in described air-out chamber is at least one, the port of described air-inlet cavity and the port in described air-out chamber are formed on described casing, described audio amplifier comprises loudspeaker and is circumscribed with the power board of bluetooth or WIFI module, and described casing offers the sound mouth matched with described loudspeaker, described power board is connected on described casing.
2. the air cleaning unit of band audio amplifier as claimed in claim 1, it is characterized in that, described casing comprises top board, base plate, left plate, right plate, header board, rear plate and dividing plate, described top board, base plate, left plate, right plate, header board and rear plate mutually splice and cross an inner space, described dividing plate is positioned at described inner space and makes described inner space be separated out described air purifier accommodating cavity and described audio amplifier accommodating cavity, the quantity of the described blower fan in described air purifier accommodating cavity is at least one, the quantity of the described loudspeaker in described audio amplifier accommodating cavity is at least one.
3. the air cleaning unit of band audio amplifier as claimed in claim 2, it is characterized in that, described audio amplifier accommodating cavity layout symmetrically centered by described air purifier accommodating cavity, the inside of each described audio amplifier accommodating cavity is provided with described loudspeaker, and the outer cup of each described audio amplifier accommodating cavity is provided with a saturating sound net; Described air purifier accommodating cavity is positioned at the center of described casing and through described header board and rear plate, and the port of described air-inlet cavity is opened on described base plate, and the quantity of described blower fan is one, and the port in described air-out chamber is opened on described top board.
4. the air cleaning unit of band audio amplifier as claimed in claim 2, is characterized in that, described air purifier accommodating cavity and described audio amplifier accommodating cavity are in arrangement one on the other, and described loudspeaker are two and are setting side by side; The port of described air-inlet cavity is opened on described rear plate, and described blower fan is two and in setting side by side, the port in described air-out chamber is opened on described header board, and described header board outside is provided with front mesh enclosure, and described rear plate outside is provided with rear net cover.
5. the air cleaning unit of band audio amplifier as claimed in claim 2, it is characterized in that, described air purifier accommodating cavity and described audio amplifier accommodating cavity are tandem arrangement, and described loudspeaker are five and are arranged in row; The port of described air-inlet cavity is opened on described rear plate, and described blower fan is four and is arranged in row, and the port in described air-out chamber is opened on described left plate and described right plate, and described header board outside is provided with front mesh enclosure, and described rear plate outside is provided with rear net cover.
6. the air cleaning unit of the band audio amplifier as described in claim 4 or 5, is characterized in that, be also provided with air-out guide frame in described air-out chamber, described air-out guide frame is located at the rear side of described blower fan.
7. the air cleaning unit of band audio amplifier as claimed in claim 1; it is characterized in that; the outer surface of described casing is provided with protective layer; the inner surface of described casing is provided with antistatic backing; the bottom of described casing is provided with foot pad or castor, and the outside of described casing is provided with guard strip for the protection of described casing and angle wrapping structure.
8. the air cleaning unit of band audio amplifier as claimed in claim 1, it is characterized in that, described filter is high efficiency composition screen pack, and described high efficiency composition screen pack comprises the first active layer of antibacterial cotton, high-efficiency low-resistance filter mesh layer, efficiently removes formaldehyde filter course and the degerming layer of reinforced catalysis.
9. the air cleaning unit of band audio amplifier as claimed in claim 8, is characterized in that, the dismountable port being arranged at described air-inlet cavity of described high efficiency composition screen pack.
10. the air cleaning unit of band audio amplifier as claimed in claim 1, it is characterized in that, the air cleaning unit of described band audio amplifier also includes anion generator, and described anion generator is installed in described air-out chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036786.2U CN204593669U (en) | 2015-01-19 | 2015-01-19 | With the air cleaning unit of audio amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036786.2U CN204593669U (en) | 2015-01-19 | 2015-01-19 | With the air cleaning unit of audio amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204593669U true CN204593669U (en) | 2015-08-26 |
Family
ID=53929816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520036786.2U Expired - Fee Related CN204593669U (en) | 2015-01-19 | 2015-01-19 | With the air cleaning unit of audio amplifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204593669U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518766A (en) * | 2018-03-29 | 2018-09-11 | 何韵苗 | A kind of air purifier |
| CN108518734A (en) * | 2018-03-29 | 2018-09-11 | 何韵苗 | A kind of air purifier |
| CN108521619A (en) * | 2018-03-29 | 2018-09-11 | 何韵苗 | A kind of air purifier |
| CN108692401A (en) * | 2018-03-29 | 2018-10-23 | 何韵苗 | A kind of air purifier |
| CN108709269A (en) * | 2018-03-29 | 2018-10-26 | 何韵苗 | A kind of air purifier |
| CN108758838A (en) * | 2018-03-29 | 2018-11-06 | 何韵苗 | A kind of air purifier |
| CN108966059A (en) * | 2018-09-29 | 2018-12-07 | 深圳市前海叡扬声学设计研发有限公司 | Speaker |
-
2015
- 2015-01-19 CN CN201520036786.2U patent/CN204593669U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108518766A (en) * | 2018-03-29 | 2018-09-11 | 何韵苗 | A kind of air purifier |
| CN108518734A (en) * | 2018-03-29 | 2018-09-11 | 何韵苗 | A kind of air purifier |
| CN108521619A (en) * | 2018-03-29 | 2018-09-11 | 何韵苗 | A kind of air purifier |
| CN108692401A (en) * | 2018-03-29 | 2018-10-23 | 何韵苗 | A kind of air purifier |
| CN108709269A (en) * | 2018-03-29 | 2018-10-26 | 何韵苗 | A kind of air purifier |
| CN108758838A (en) * | 2018-03-29 | 2018-11-06 | 何韵苗 | A kind of air purifier |
| CN108966059A (en) * | 2018-09-29 | 2018-12-07 | 深圳市前海叡扬声学设计研发有限公司 | Speaker |
| CN108966059B (en) * | 2018-09-29 | 2024-03-26 | 深圳市叡扬声学设计研发有限公司 | Sound box |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20180119 |