CN201435815Y - Integrated small desktop speaker - Google Patents
Integrated small desktop speaker Download PDFInfo
- Publication number
- CN201435815Y CN201435815Y CN2009200623740U CN200920062374U CN201435815Y CN 201435815 Y CN201435815 Y CN 201435815Y CN 2009200623740 U CN2009200623740 U CN 2009200623740U CN 200920062374 U CN200920062374 U CN 200920062374U CN 201435815 Y CN201435815 Y CN 201435815Y
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- Prior art keywords
- audio amplifier
- housing
- speaker
- integral type
- small table
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- Expired - Lifetime
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- 238000005192 partition Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000010891 electric arc Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 108090000565 Capsid Proteins Proteins 0.000 description 1
- 241001071864 Lethrinus laticaudis Species 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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- 210000004894 snout Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000010415 tropism Effects 0.000 description 1
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- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
The utility model relates to the field of a small speaker, in particular to an integrated small desktop speaker, which comprises a shell, a bass speaker, a left speaker and a right speaker. In the improved structure, the shell is in a spherical shape, the spherical height is more than the diameter of a ball, the bass speaker is arranged on the spherical bottom of the shell with the upper side facing downward, the left speaker and the right speaker are symmetrically arranged in the front half spherical area of the shell, and the lower part of the shell is provided with support legs or a pedestal supporting the whole speaker so that the bottom of the shell is not contacted with the support surface. As the bass speaker is arranged on the bottom of the shell, faces the desktop and maintains acertain distance from the desktop due to the support legs, a bottom pressurization system is formed, thereby making the bass speaker have excellent bass frequency effect and issue strong dynamic sound. As the bass speaker is arranged on the bottom of the shell, the area of the bass speaker can be maximized with no influence on the overall shape of the speaker, thereby providing design space for the bass speaker with higher power.
Description
Technical field
The utility model relates to small-sized audio amplifier field, particularly a kind of integral type small table audio amplifier.
Background technology
Popular and widely-used along with music players such as notebook computer, MP3 is applicable to that the small table audio amplifier of this class of electronic devices also comes into vogue thereupon.Because such desktop audio amplifier is wanted cube little (generally being not more than 40cm), the integrated level height, adopt the technology of common large-scale audio amplifier or computer sound box to be difficult in so little space guarantee tonequality that traditional audio amplifier technology is difficult to be applied on the desktop audio amplifier of high tone quality.
For the industrialized standard of the temporary unmatchful tonequality requirement of this type of audio amplifier, therefore a lot of producers all realize by the mode that reduces tonequality at present.As a kind of trend product, producer attracts the consumer by attractive in appearance or unique external form.But along with the progressively maturation in market, the consumer is more and more higher to the requirement of tonequality, and the tonequality of existing desktop audio amplifier can't satisfy the demand of ordinary consumer.
In order to satisfy the demand of consumer to the desktop audio amplifier of high tone quality, a lot of audio amplifier designers traditional detachable speaker box of also migrating is similar to traditional desktop computer audio amplifier, and volume is small and exquisite, meets the standard of desktop audio amplifier.Though on tonequality, obtain certain lifting, increased difficulty, the wiring complexity between the audio amplifier, production cost height because split-type structural is given in the industrial design of external form.And do not meet the integral type notion of consumer to the desktop audio amplifier, what cause locating on the target market is indeterminate, obscures with the desktop computer audio amplifier, brings very big difficulty for the popularization of product.
In sum, at present the consumer is badly in need of a kind ofly can being applicable to various miniaturized electronicss, as the small table audio amplifier of music players such as MP3 walkman.This audio amplifier need satisfy simultaneously that volume is little, integrated level is high, tonequality is high and requirement such as handsome in appearance.Because the tonequality of audio amplifier depends on the interior space of audio amplifier to a great extent, integrated audio amplifier also further requires to avoid the interference between each loud speaker, obviously adopt existing audio amplifier technology and, can't design above-mentioned small table audio amplifier simply the diverting from one use to another of these technology.Need redesign the structure of small table audio amplifier from integral body to the part.
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, designs a kind of integral type small table audio amplifier with high tone quality.
The utility model is achieved through the following technical solutions above-mentioned purpose.
The integral type small table audio amplifier that this patent is designed, comprise housing, woofer and left and right loud speaker, the structure of its improvement is that described housing is spherical, spherical crown is tall and big in bulb diameter, the woofer direction is installed in the spherical crown bottom of housing down, left and right loud speaker is symmetricly set on the preceding of housing and partly is preced with in the zone, and lower housing portion is provided with supporting leg or the whole audio amplifier of seat supports makes housing bottom not contact supporting surface.The utility model is installed in woofer the bottom of housing, towards desktop, and make woofer and desktop keep certain distance, form the bottom surface pressure charging system by supporting leg, can make woofer have good bass frequency range effect, send strong and powerful dynamic audio.Woofer is installed in the bottom of housing, can not influence under the moulded prerequisite of audio amplifier, and the area of maximization woofer is given and adopted more powerful woofer that the design space is provided.Large-area on the other hand woofer weight is bigger, and the bottom that is installed in housing helps stablizing whole housing, plays the effect that reduces hull vibration, guarantees acoustical quality.Domed case design, the inwall of circular arc can reduce the diffraction of above-mentioned each loud speaker internal sound when work to greatest extent, prevent the influence of sound diffraction to other loud speakers, improve the signal to noise ratio and the dynamic range of audio amplifier.Because the general volume of desktop audio amplifier is less, the power of loudspeaker of employing is lower, and very near with user's distance, and in order to make the sound that sends have more third dimension, left and right loud speaker must be symmetricly set on the preceding of housing and partly be preced with in the zone, directly towards the user.
In order further to reduce the diffraction of sound in enclosure interior, the optimum position design of woofer and left and right loud speaker is that central axis all passes the housing center.This design can reduce outside the diffraction of sound and the mutual interference mutually to greatest extent, can also reduce the resonance that other structures of enclosure interior are brought by sound, improves the resolution of audio amplifier in the middle pitch frequency range, makes sound more clear thorough.
In order further to improve bass effect, relate to the ultralow audio frequency that the desktop audio amplifier is difficult to send, the utility model is provided with phase-reversing tube in enclosure interior, because the space of enclosure interior is limited, common straight tube shape phase-reversing tube obviously can't be suitable for, so the phase-reversing tube of this patent is S shape, and the cross section is non-circular, phase-reversing tube distributes along shell inner surface, and paraphase hole is opened on the housing.Make the effect of woofer become the increase of square level by phase-reversing tube, and can show more clear, clean ultralow audio frequency.
Research through the inventor, in the housing in little space, symmetrical structure can be avoided the interference between each member to greatest extent, the vibration of housing when reducing audio amplifier work, therefore this patent designs a Center Symmetry Plane on the axis of housing, left and right loud speaker is symmetricly set on the symmetrical plane both sides, and woofer and phase-reversing tube are arranged on the symmetrical plane between two parties.
In order further to improve the integrated level of audio amplifier, reduce aerial lug, this patent is integrated in audio amplifier inside with the power amplifier plate, because power amplifier plate caloric value is big, so this patent also is connected with radiator on the power amplifier plate.For the ease of heat radiation, radiator is positioned at the phase-reversing tube inner opening outside, in woofer work, when producing the stress enhancing by phase-reversing tube, compressed air is derived the heat of radiator by phase-reversing tube like this.Solved the heat dissipation problem in the little space, can the bigger power amplifier plate of integrated power, for the space has been created in the lifting of tonequality.
Because woofer is towards desktop, though can improve bass effect by the bottom surface increase, the sound of returning from the desktop line reflection also can produce interference.In order to guarantee to produce clear, clean stress effect, housing bottom of the present utility model, the woofer outside are provided with arc-shaped partition.The design of arc-shaped partition makes the angled directive desktop of sound, has avoided the interference of line reflection, has guaranteed the pure of tonequality.
In order to relate to the high band of sound, this patent is provided with left and right high pitch loudspeaker in the case top bilateral symmetry.Because the high pitch frequency range of audio amplifier is meant the frequency range that the tropism is the strongest, the best is the front that is set directly at audio amplifier.Yet because the front of audio amplifier has been provided with left and right loud speaker, if more left and right high pitch loudspeaker also is arranged on the front of audio amplifier, will make loud speaker too concentrated so, serious interference each other can't guarantee tonequality.Therefore the utility model is with the top both sides of left and right high pitch loudspeaker design at housing, optimum structure is to be symmetrical arranged and axis is crossed the housing center, the tonequality that part has remedied the high pitch frequency range that the directive property problem brings descends, and has also avoided the interference between high pitch loudspeaker and other loud speakers.
In order further to improve the tonequality of high pitch frequency range, reduce high pitch frequency range directive property problem, the utility model is at the high pitch diffuser that is provided with back taper over against left and right high pitch loudspeaker.High pitch diffuser by back taper with high pitch to around diffusion, change the direction of propagation of sound, because during audio amplifier work, the distance of user and audio amplifier is very near, so can make the user who is sitting in the audio amplifier front obtain the enjoyment of the direct sound field of high pitch frequency range.
For fear of mechanicalness noise, this patent is provided with touch volume regulatory region on housing.Common mechanical volume adjustment knob in use can produce static and electric arc, and the cooperation of mechanical structure closely can not introduced dust or the like.Because it is less that the noise that the limitation of these mechanical structures self is brought influences, but in the housing of small size, can bring fatal influence to tonequality in common audio amplifier.For this reason, the utility model adopts touch volume regulatory region to substitute traditional mechanical structure, has overcome the self-defect of mechanical volume adjustment knob, has guaranteed the tonequality of audio amplifier.
As a kind of small table audio amplifier, the utility model will satisfy the cognition of consumer to the desktop audio amplifier, could make that the market orientation of product is accurate, obscures in order to avoid cause with the consumer group of traditional audio amplifier.So the bulb diameter of the housing of this patent is between 10cm to 30cm, the whole audio amplifier of supporting leg or seat supports makes housing bottom apart from supporting surface 1cm to 5cm, between 40 degree were to 130, housing was provided with the digital interface of expanding at the central axis angle of overlooking left and right loud speaker on the face.
The utility model redesigns from integral body to the part audio amplifier at the products characteristics and the handling characteristics of small table audio amplifier, makes this patent under the prerequisite of the characteristics that meet the small table audio amplifier, and the change of matter has been arranged aspect tonequality.Adopt spherical shell structure, the reasonable Arrangement of loud speaker has reduced the diffraction of sound in housing and has disturbed, and given and use more powerful woofer that the space is provided.The bottom surface supercharging technology of supper bass reasonably carries out counterweight to audio amplifier, and the vibrating noise that reduces in the use is played a key effect the interference that the design of the cambered surface dividing plate of woofer has also avoided the sound line reflection to bring.Reasonably arrange phase-reversing tube and its shape of design and cross section, make in small shell, to have enough paraphase distances, realize the bass effect that common subwoofer could realize.Built-in power amplifier plate reasonably designs the position of fin, improves radiating effect, helps improving the power of circuit board.The high pitch diffuser design has overcome the defective of sound high pitch frequency range direction propagation, and the integrated design space that provides of height of small shell audio amplifier is provided.The utility model has overcome the prior art lower tone, and is inaccurate to the product orientation of small table audio amplifier, do not have the defective of the market competitiveness, has outstanding substantive distinguishing features and obvious improvement.
Description of drawings
Fig. 1 is the utility model stereogram;
Fig. 2 is Fig. 1 front view;
Fig. 3 is Fig. 1 vertical view;
Fig. 4 is Fig. 1 upward view;
Fig. 5 is the STRUCTURE DECOMPOSITION figure of Fig. 1;
Fig. 6 is the central cross-sectional view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing the utility model is further explained explanation.
Integral type small table audio amplifier as shown in Figure 1, housing 1 bottom of ball crown type is provided with 4 supporting legs 3, be convenient to the design of various moulding, be designed to the image of piggy with regard to body as present embodiment, but the utility model is not limited to this image design, and any design based on ball crown type housing 1 all is the desired scope of the utility model.STRUCTURE DECOMPOSITION figure further combined with Fig. 5 below the concrete structure describes.
Housing 1 is made of procapsid 11 and back casing 12 butt joints, and left and right loud speaker 21, woofer 22 and left and right high pitch loudspeaker 23 are installed in above-mentioned housing 1.Wherein left and right loud speaker 21 is symmetricly set on the preceding of housing and partly is preced with in the zone, and the front is provided with graticule mesh 211; Woofer 22 directions are installed in the spherical crown bottom of housing 1 down, and downside is provided with arc-shaped partition 7; Left and right high pitch loudspeaker 23 symmetries are located at both sides, housing 1 top, are provided with the high pitch diffuser 4 of back taper over against left and right high pitch loudspeaker 23.
In conjunction with shown in Figure 2, the central axis of above-mentioned all loud speakers all passes housing 1 center o.As shown in the figure, the large-area woofer 22 in audio amplifier bottom makes and the down-shift of working center of whole audio amplifier plays the effect that reduces hull vibration.Analyze the audio characteristic of audio amplifier the use from Fig. 2, left and right as seen from the figure loud speaker 21 is directly towards the user, central axis in conjunction with the visible left and right loud speaker 21 of Fig. 3 becomes certain included angle, and this angle can change between 40 degree are to 130 according to the size of audio amplifier.This structural design meets ergonomics, makes the pointed left and right sides ear by the people of sound of two sound channels sending in same audio amplifier receive, and has the effect of solid space location, and the sound that sends has more third dimension.
Woofer installs 22 in the bottom of housing 1, towards desktop, and makes woofer 22 and desktop keep certain distance by supporting leg 4, as shown in Figure 2, form the bottom surface pressure charging system, can make woofer 22 have good bass frequency range effect, send strong and powerful dynamic audio.On the other hand, because woofer 22 is less with the desktop distance, return by the desktop line reflection for fear of the sound that sends, cause interference, the utility model adopts the dividing plate of arc-shaped partition 7 as woofer 22, as shown in Figure 3, arc-shaped partition 7 is the slightly upwards net dividing plate of concave arc degree that has of a circle.Shown in dotted arrow among the figure, the design of arc-shaped partition 7 makes the angled directive desktop of sound, has avoided the interference of line reflection, makes that the tonequality of bass is more clear, clean.In order further to improve bass effect, the utility model is provided with the paraphase hole 61 that phase-reversing tube 62 connects housing 1 front in housing 1 inside, because housing 1 volume inside is limited, so phase-reversing tube 62 adopts the non-linear structure of S shape, the cross section also is non-circular, extends upward along housing 1 inner surface.Make the effect of woofer 22 become the increase of square level by phase-reversing tube 62, and can show more clear, clean ultralow audio frequency.
The utility model is in order to solve the problem of holding a plurality of loud speakers and not disturbing in a compact shell, especially with the top of left and right high pitch loudspeaker 23 designs at housing 1, be the problem that solves the direction propagation of sound high pitch frequency range on the other hand, over against left and right high pitch loudspeaker 23 high pitch diffuser 4 be set especially.The inverted cone-shaped structure of high pitch diffuser 4 belows can make over against the high pitch audio frequency of its direction propagation to around diffusion, shown in dashed curve arrow among the figure.Therefore so long as around audio amplifier the user of music appreciating all can obtain the enjoyment of the direct sound field of high pitch frequency range, meet the handling characteristics of small table audio amplifier.
By above-mentioned structural design, the utility model has all had the raising of matter with respect to the tonequality of existing audio amplifier on bass, middle pitch and high pitch.Below make a concrete analysis of the design of this patent aspect the minimizing interference, said structure has illustrated that the housing 1 of ball crown type can reduce the sound diffraction of each loud speaker in housing 1 inside, arc-shaped partition 7 can avoid the line reflection of bass to disturb, and the design that housing 1 center o is all passed in all loud speaker axis can reduce the phase mutual interference between each loud speaker.Except these overall construction design, the utility model also is optimized detailed structure, and is specific as follows.
For fear of mechanicalness noise, this patent is designed to touch volume regulatory region 42 with high pitch diffuser 4 upper surfaces, and this is built-in touch electric by-pass cock, is connected with power amplifier plate 81 by brace 43.Adopt touch volume regulatory region 42 to substitute traditional mechanical structures, overcome the cooperation that mechanical volume adjustment knob in use can produce static and electric arc, mechanical structure and closely can not introduce self-defects such as dust, guaranteed the tonequality of audio amplifier.
Because in little space, symmetrical structure can be avoided the interference between each member to greatest extent, the vibration of housing 1 when reducing audio amplifier work, so this patent designs a Center Symmetry Plane A-A on the axis of housing 1.From as seen in conjunction with Fig. 2,3 and 4, left and right loud speaker 21, left and right high pitch loudspeaker 23 is symmetricly set on symmetrical plane A-A both sides, and woofer 22 and paraphase hole 61, phase-reversing tube 62 are arranged on the symmetrical plane A-A between two parties.A plurality of members in the indoor design of housing 1 also adopt placed in the middle or symmetrical Position Design mode in addition.
In order further to improve the integrated level of audio amplifier, reduce aerial lug, this patent is integrated in audio amplifier inside with power amplifier plate 81, because power amplifier plate 81 caloric values are big, so this patent also is connected with radiator 82 on the power amplifier plate.For the ease of heat radiation, radiator is positioned at phase-reversing tube 62 inner openings 63 outsides, like this in woofer 22 work, when producing the stress enhancing by phase-reversing tube 62, compressed air is derived the heat of radiator 82 by phase-reversing tube 62, as shown in Figure 6, form a kind of " respiratory heat loss " structure.Solved the heat dissipation problem in the little space, can the bigger power amplifier plate 81 of integrated power, for the space has been created in the lifting of tonequality.
Structure of the present utility model is except the requirement of satisfying above-mentioned tonequality, also have enough spaces and carry out the expansion of other functions, as shown in the figure, rear section, top at housing 1 is provided with functions expanding interface 51, housing 1 the place ahead is provided with receiver of remote-control sytem 52, be hog snout, housing 1 the place ahead is provided with the function mound 53 that is used to regulate with wiring.Detailed structure as can be seen from Figure 5, the PCB assembly 511 that is provided with Ipod in the functions expanding interface 51 is mated, and is used for cooperating with the Ipod music player, can certainly expand the PCB assembly that cooperates into MP3 or other music players, or USB interface etc.Receiver of remote-control sytem 52 inboards are provided with remote control PCB assembly 521, are used for cooperating with remote controller carrying out remote playing control.Be provided with tablet PCB assembly 531 in the function mound 53, can be used to connect the audio frequency input-output line, or supper bass adjusting knob etc. is set.
Claims (10)
1. integral type small table audio amplifier, comprise housing, woofer and left and right loud speaker, it is characterized in that described housing is spherical, spherical crown is tall and big in bulb diameter, the woofer direction is installed in the spherical crown bottom of housing down, left and right loud speaker is symmetricly set on the preceding of housing and partly is preced with in the zone, and lower housing portion is provided with supporting leg or the whole audio amplifier of seat supports makes housing bottom not contact supporting surface.
2. integral type small table audio amplifier according to claim 1 is characterized in that the central axis of woofer and left and right loud speaker all passes the housing center.
3. integral type small table audio amplifier according to claim 1 is characterized in that being provided with phase-reversing tube in enclosure interior, and phase-reversing tube is a S shape, and the cross section is non-circular, and phase-reversing tube distributes along shell inner surface, and paraphase hole is opened on the housing.
4. integral type small table audio amplifier according to claim 3 is characterized in that housing has a Center Symmetry Plane, and left and right loud speaker is symmetricly set on the symmetrical plane both sides, and woofer and phase-reversing tube are arranged on the symmetrical plane between two parties.
5. integral type small table audio amplifier according to claim 3 is characterized in that the power amplifier plate is integrated in audio amplifier inside, and the power amplifier plate is connected with radiator, and radiator is positioned at the phase-reversing tube inner opening outside.
6. according to each described integral type small table audio amplifier of claim 1 to 5, it is characterized in that housing bottom, the woofer outside are provided with arc-shaped partition.
7. according to each described integral type small table audio amplifier of claim 1 to 5, it is characterized in that the case top bilateral symmetry is provided with left and right high pitch loudspeaker.
8. integral type small table audio amplifier according to claim 7 is characterized in that being provided with over against left and right high pitch loudspeaker the high pitch diffuser of back taper.
9. according to each described integral type small table audio amplifier of claim 1 to 5, it is characterized in that housing is provided with touch volume regulatory region.
10. according to each described integral type small table audio amplifier of claim 1 to 5, the bulb diameter that it is characterized in that housing is between 10cm to 30cm, the whole audio amplifier of supporting leg or seat supports makes housing bottom apart from supporting surface 1cm to 5cm, between 40 degree were to 130, housing was provided with the digital interface of expanding at the central axis angle of overlooking left and right loud speaker on the face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200623740U CN201435815Y (en) | 2009-08-14 | 2009-08-14 | Integrated small desktop speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200623740U CN201435815Y (en) | 2009-08-14 | 2009-08-14 | Integrated small desktop speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201435815Y true CN201435815Y (en) | 2010-03-31 |
Family
ID=42054629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200623740U Expired - Lifetime CN201435815Y (en) | 2009-08-14 | 2009-08-14 | Integrated small desktop speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201435815Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860773A (en) * | 2010-06-25 | 2010-10-13 | 林晓光 | Tri-leg loudspeaker box |
| CN103581792A (en) * | 2012-08-08 | 2014-02-12 | 梅庆开 | Multiple-360-degree-sound-production resonance portable sound system |
| CN103581777A (en) * | 2012-08-08 | 2014-02-12 | 刘骏涛 | Micro loudspeaker box with telescopic resonance chamber |
| CN104902358A (en) * | 2015-06-08 | 2015-09-09 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN105228051A (en) * | 2015-10-13 | 2016-01-06 | 无锡杰夫电声有限公司 | There is the multiple unit thin type audio amplifier of S shape conduit |
| CN105451120A (en) * | 2015-12-08 | 2016-03-30 | 庞享 | Multifunctional handheld sound box |
| CN105681955A (en) * | 2015-12-08 | 2016-06-15 | 庞享 | Two-way sound box |
| CN107710782A (en) * | 2015-06-30 | 2018-02-16 | 夏普株式会社 | Speaker system, display device and television receiver |
| WO2019000243A1 (en) * | 2017-06-27 | 2019-01-03 | 深圳市柔宇科技有限公司 | Touch speaker and control method thereof |
| CN115334382A (en) * | 2022-05-10 | 2022-11-11 | 歌尔科技有限公司 | speaker |
-
2009
- 2009-08-14 CN CN2009200623740U patent/CN201435815Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860773A (en) * | 2010-06-25 | 2010-10-13 | 林晓光 | Tri-leg loudspeaker box |
| CN103581792A (en) * | 2012-08-08 | 2014-02-12 | 梅庆开 | Multiple-360-degree-sound-production resonance portable sound system |
| CN103581777A (en) * | 2012-08-08 | 2014-02-12 | 刘骏涛 | Micro loudspeaker box with telescopic resonance chamber |
| CN104902358A (en) * | 2015-06-08 | 2015-09-09 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN107710782A (en) * | 2015-06-30 | 2018-02-16 | 夏普株式会社 | Speaker system, display device and television receiver |
| CN105228051A (en) * | 2015-10-13 | 2016-01-06 | 无锡杰夫电声有限公司 | There is the multiple unit thin type audio amplifier of S shape conduit |
| CN105451120A (en) * | 2015-12-08 | 2016-03-30 | 庞享 | Multifunctional handheld sound box |
| CN105681955A (en) * | 2015-12-08 | 2016-06-15 | 庞享 | Two-way sound box |
| WO2019000243A1 (en) * | 2017-06-27 | 2019-01-03 | 深圳市柔宇科技有限公司 | Touch speaker and control method thereof |
| CN115334382A (en) * | 2022-05-10 | 2022-11-11 | 歌尔科技有限公司 | speaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Foshan Lancia numeral science and technology Co., Ltd Assignor: Li Moran Contract record no.: 2011990001124 Denomination of utility model: Integrated small desktop speaker Granted publication date: 20100331 License type: Exclusive License Record date: 20111228 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100331 |