CN102695104B - Cylindrical portable loudspeaker box - Google Patents
Cylindrical portable loudspeaker box Download PDFInfo
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- CN102695104B CN102695104B CN201210127067.2A CN201210127067A CN102695104B CN 102695104 B CN102695104 B CN 102695104B CN 201210127067 A CN201210127067 A CN 201210127067A CN 102695104 B CN102695104 B CN 102695104B
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Abstract
A cylindrical portable loudspeaker box relates to the portable loudspeaker box used by clamping on a notebook computer or on a tablet computer. The portable loudspeaker box comprises a cylindrical loudspeaker box housing and two speakers fixed respectively at left and right cylindrical bottom positions of the loudspeaker box housing, wherein the loudspeaker box housing is provided with a clamping foot and at least one swinging-clamping dual-purpose foot, the clamping foot comprises a clamping foot support, an upper end of the clamping foot support is hinged with an upside of the loudspeaker box housing, a clamping spring is provided between the upper end of the clamping foot support and the loudspeaker box housing, a lower end of the clamping foot support surface facing the loudspeaker box is provided with a clamping foot sole which is made from flexible materials, the swinging-clamping dual-purpose foot is provided with a swinging-clamping dual-purpose foot sole which is made from the flexible materials, the swinging-clamping dual-purpose foot is fixed on a front side of the loudspeaker box housing, the back of a free surface of the swinging-clamping dual-purpose foot sole faces the front side of the loudspeaker box housing, and the free surface of the swinging-clamping dual-purpose foot sole is a concave arc cylindrical surface in left-right direction. The cylindrical portable loudspeaker box is advantaged in that surfaces of the notebook computer and the flat panel computer are not damaged, and the cylindrical portable loudspeaker box is not only applicable to static state use but also is applicable to mobile state use.
Description
Technical field
The present invention relates to technology for loudspeaker box field, especially relate to and a kind ofly can be clipped in the portable loudspeaker box that notebook computer and panel computer use.
Background technology
Because its volume is little, lightweight, easy to carry, notebook computer and panel computer, become a kind of popular office and amusement equipment.Notebook computer and panel computer, be generally provided with built-in speaker, but the tonequality of these built-in speakers is usually not fully up to expectations.In order to obtain better acoustical quality and enjoyment, people usually use external voice box to replace built-in speaker.But existing external voice box, most can only being placed on smooth supporting surface uses, once field of employment lacks the flat support face being applicable to putting external voice box, people just cannot use external voice box to replace built-in speaker, and therefore such external voice box exists the problem of applicable situation difference.
In on November 24th, 2010 bulletin, notification number is CN201657236U, name is called that the Chinese patent document of " external sound box for notebook computer " discloses a kind of portable loudspeaker box that can be clipped in upper use, it includes audio amplifier body, this audio amplifier body is Bao Changzhuan, audio amplifier body is provided with spring clip, audio amplifier body is also hinged with two supports, and spring clip and two supports form tripod fixed mount.According to the disclosure of this patent specification, this external sound box for notebook computer, namely can form tripod fixed mount by spring clip and two supports to be placed on smooth supporting surface and to use, also can be clamped on notebook computer by spring clip and use, also can be stained with flexible glue to prevent the damage that notebook computer or support are shown on support and on the clamping face of spring clip simultaneously.Problems existing is: owing to being only stained with flexible glue on the clamping face of spring clip, when this external sound box for notebook computer by spring clip be clamped in notebook computer uses time, notebook computer and casing of loudspeaker box still have hard contact point, the performance of this audio amplifier audio can be affected on the one hand, there is the danger damaged by casing of loudspeaker box in notebook computer surface on the other hand, the clip position of this audio amplifier and notebook computer is easily shifted because of vibration simultaneously, therefore in order to ensure the stable of the clip position of this audio amplifier and panel computer or notebook computer, just need the chucking power strengthening spring clip, thus increase the manufacture difficulty of audio amplifier, manufacturing cost, also affect convenience and the comfortableness of audio amplifier use simultaneously.
Summary of the invention
Technical problem to be solved by this invention is to provide one and can be clamped on notebook computer or panel computer and uses, clip position is reliable and stable, use under being not only suitable for inactive state, be also applicable to use under mobile status and can not to the hurtful portable loudspeaker box of notebook computer or panel computer surface.
The present invention's technical scheme used is: a kind of cylindrical portable loudspeaker box, and comprise the loudspeaker that casing of loudspeaker box in cylindricality and two are separately fixed at two positions, the end about casing of loudspeaker box cylindricality, casing of loudspeaker box is provided with a sandwiched pin and the dual-purpose pin of at least one pendulum folder; Sandwiched pin comprises sandwiched foot support, hinged on the upside of the upper end of sandwiched foot support and casing of loudspeaker box, and is provided with fastening spring between this end and casing of loudspeaker box, and the lower end of sandwiched foot support is provided with towards the one side of audio amplifier the sandwiched sole be made up of flexible material; The dual-purpose pin of pendulum folder is provided with the pendulum be made up of flexible material and presss from both sides dual-purpose sole, and the dual-purpose pin of pendulum folder is fixed on the leading flank of casing of loudspeaker box, the leading flank of the Free Surface of the dual-purpose sole of pendulum folder casing of loudspeaker box dorsad; The Free Surface of the dual-purpose sole of pendulum folder is the indent arc cylinder of left and right trend.
The present invention, casing of loudspeaker box is cylindricality, and 180 degree, two loudspeaker are symmetrically distributed in the position, the end, left and right two of casing of loudspeaker box cylindricality, are more conducive to realize 360 degree of audio sound fields.The present invention, had both been placed on smooth supporting surface by the dual-purpose pin of pendulum folder and had used, and the screen upper end that also can be clamped in panel computer or notebook computer by sandwiched pin and the cooperation of the dual-purpose pin of pendulum folder uses.When being placed on by the dual-purpose pin of pendulum folder the non-clamping using state that smooth supporting surface uses, the Free Surface of the dual-purpose sole of pendulum folder rotates to towards the direction on flat support surface, the Free Surface each point evagination of the dual-purpose sole of pendulum folder is in the lower face of casing of loudspeaker box and sandwiched foot support casing of loudspeaker box dorsad, the pendulum be made up of flexible material presss from both sides dual-purpose sole and plays shock insulation in case audio amplifier and placed side produce the sound and increase and rub with stable audio amplifier putting position of shaking, be conducive to the good audio giving full play to cylindrical portable loudspeaker box, and this flat support face can not be damaged.When the clamping using state that the screen upper end that the cooperation by sandwiched pin and the dual-purpose pin of pendulum folder is clamped in panel computer or notebook computer uses, sandwiched sole rotates to the Free Surface of the sandwiched sole position substantially relative with the Free Surface of the dual-purpose sole of pendulum folder, and the side, front and back that sandwiched sole and the dual-purpose sole of pendulum folder lay respectively at panel computer or notebook computer screen makes described convenient audio amplifier be clamped in the upper end of panel computer or notebook computer screen.Because the pendulum dual-purpose sole of folder and sandwiched sole are made by flexible material, therefore described cylindrical portable loudspeaker box can not damage panel computer or notebook computer, because the Free Surface of the dual-purpose sole of pendulum folder is inner concave arc surface, as long as make Free Surface inner concave arc surface upper limb that pendulum presss from both sides dual-purpose sole exceed panel computer during clamping or notebook computer goes up corner accordingly, the dual-purpose sole inner concave arc surface upper limb bight of pendulum folder can be projected into the front on panel computer or notebook-type computer screen surface behind the scenes and pendulum is pressed from both sides upper end that dual-purpose sole is hooked on panel computer or notebook computer screen, described like this cylindrical portable loudspeaker box would not depart from clip position because vibration produces downslide, therefore described cylindrical portable loudspeaker box and panel computer or notebook computer screen clip position reliable and stable, described cylindrical portable loudspeaker box uses under being not only suitable for inactive state, also use under being applicable to mobile status.
As preferably, described casing of loudspeaker box is four prism type, sandwiched foot support is the U-shaped support with the four prism type adaptation of casing of loudspeaker box, the middle part of upper end thereof on the upside of casing of loudspeaker box of sandwiched foot support, the lower end of sandwiched foot support is positioned at casing of loudspeaker box lower position, and correspondingly casing of loudspeaker box is provided with the pinch cavity holding sandwiched pin; The number of the dual-purpose pin of pendulum folder is two, and two dual-purpose pin of pendulum folder lay respectively at the left and right sides of sandwiched pin.This preferred version, casing of loudspeaker box is four prism type, sandwiched foot support is the U-shaped support with the four prism type adaptation of casing of loudspeaker box, casing of loudspeaker box is provided with the pinch cavity holding sandwiched pin, when non-clamping using state, sandwiched pin is in pinch cavity, loudspeaker box structure is compact attractive in appearance, and is conducive to the radial dimension reducing audio amplifier, improves the portability of audio amplifier.
As preferably, casing of loudspeaker box is combined by upper and lower two and half shells and forms, and correspondingly pinch cavity is made up of two and half cavity combination up and down laying respectively at this two and half shells place.This preferred version, casing of loudspeaker box is combined by upper and lower two halves shell and forms, and is convenient to the making and installation of casing of loudspeaker box and the connection of sandwiched foot support and casing of loudspeaker box.
As preferably, in the middle part of casing of loudspeaker box, be provided with the partition bone that audio amplifier left and right acoustic channels chamber is separated, cut off the opening leaving conducting audio amplifier left and right acoustic channels chamber in the middle of bone.This preferred version, can reduce left and right acoustic channels tank-volumes manufacture deviation to the adverse effect of audio amplifier audio, be conducive to the frequency response curve improving audio amplifier.
As preferably, sandwiched underfooting end is provided with one for what break sandwiched pin into two with one's hands and breaks breach into two with one's hands.This preferred version, is convenient to sandwiched pin to break into two with one's hands to allow audio amplifier be clamped on the screen of panel computer or notebook computer.
As preferably, the Free Surface of sandwiched sole and the dual-purpose sole of pendulum folder is provided with the sawtooth of left and right trend.This preferred version, on the Free Surface of sandwiched sole and the dual-purpose sole of pendulum folder, set broached-tooth design increases the flexibility of foot plate surface, improve the adaptability of respective foot bottom surface to panel computer or notebook-type computer screen scene plot face, be conducive to the fitting area improving respective foot bottom surface and panel computer or notebook computer screen respective surfaces, make the clamping of described cylindrical portable loudspeaker box on panel computer or notebook computer screen more firm, especially the corresponding corner of panel computer or notebook computer screen can be charged into sandwiched sole or put in the sawtooth ditch on the Free Surface of the dual-purpose sole of folder and play the effect strengthening hook, described cylindrical portable loudspeaker box and panel computer or notebook computer screen clip position reliability and stability when using under can greatly improving mobile status.
As preferably, before the inner concave arc surface upper limb of the Free Surface of the dual-purpose sole of pendulum folder is more prominent compared with its lower edge.This preferred version, be conducive to improving the operating efficiency described cylindrical portable loudspeaker box being clamped in panel computer or notebook computer screen upper end, improve the reliability and stability that described cylindrical portable loudspeaker box is clamped in panel computer or notebook computer screen upper end.
In sum, the beneficial effect brought of the present invention is: described cylindrical portable loudspeaker box can not damage the respective surfaces of panel computer and notebook computer screen, and the reliability and stability that described cylindrical portable loudspeaker box is clamped in panel computer or notebook computer screen upper end are high, clip position can not be shifted because of vibrations, therefore under mobile status, also reliably can be clamped in panel computer or the use of notebook computer screen upper end, described cylindrical portable loudspeaker box applicable situation is wide.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the C-C cutaway view of Fig. 3;
Fig. 5 is that the present invention is clamped in the schematic diagram that panel computer uses.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.
The present embodiment is the active audio amplifier being provided with chargeable lithium cell.As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the present invention includes the loudspeaker 2 that casing of loudspeaker box 1 in cylindricality and two are separately fixed at two positions, the end about casing of loudspeaker box 1 cylindricality; Casing of loudspeaker box 1 is in four prism type, the adjacent side round-corner transition of quadrangular, casing of loudspeaker box 1 is combined by upper and lower two and half shells 1.1,1.2 and forms, and casing of loudspeaker box 1 is provided with strengthens the reinforcement of casing of loudspeaker box housing rigidity and the structure for installing the audio amplifier parts comprising battery 7, frequency divider and power amplifier; Two loudspeaker 2 respectively by be made up of high-strength engineering plastic ABS and soft quality TPR combination of materials, the loudspeaker fixed support 5 with good shock-absorbing performance is fixed on the bottom, left and right two of casing of loudspeaker box 1, the sound that shakes is there is to avoid sound box, loudspeaker shake 0.35mm to 1mm outside outer rim 5.1 that the outer rim of basin 2.1 is positioned at loudspeaker fixed support 5, thus effectively reduce high-frequency loss; The partition bone that audio amplifier left and right acoustic channels chamber is separated is provided with in the middle part of casing of loudspeaker box 1, described partition bone comprises the upper partition bone 1.1.1 be located on casing of loudspeaker box 1 the upper half shell 1.1 and lower partition bone 1.2.1 be located on the lower half shell 1.2 of casing of loudspeaker box 1, cut off the opening leaving conducting audio amplifier left and right acoustic channels chamber in the middle of bone 1.1.1,1.2.1 up and down, A/F about 1.9mm, when ensureing not produce resonance, can reduce or avoiding because left and right acoustic channels cavity volume deviation brings adverse effect to audio amplifier frequency response curve like this; Casing of loudspeaker box 1 is provided with a sandwiched pin 3 and the dual-purpose pin 4 of at least one pendulum folder, sandwiched pin 3 comprises sandwiched foot support 3.1, sandwiched foot support 3.1 is the U-shaped support with the four prism type adaptation of casing of loudspeaker box 1, the pinch cavity 1.3 holding sandwiched pin 3 is provided with in the middle part of casing of loudspeaker box 1, pinch cavity is combined by two and half cavity 1.3.1, the 1.3.2 up and down laying respectively at this two and half shells place and forms, and the left and right sides of first cavity 1.3.1 upper end is fixed with a sandwiched pin hinged seat 1.4 respectively; The upper end of sandwiched foot support 3.1 is by and that be articulated with casing of loudspeaker box 1 on the upside of middle part hinged with sandwiched pin hinged seat 1.4, and be provided with fastening spring 6 between this end and casing of loudspeaker box 1, the present embodiment fastening spring 6 is torsion spring, and fastening spring 6 provides and the present invention is clamped in panel computer 8 upper end and clamping pin 3 is received into the elastic force of pinch cavity 1.3 li; When clamping pin 3 is accommodated in pinch cavity 1.3 li, the lower end of sandwiched foot support 3.1 is positioned at casing of loudspeaker box 1 lower position, namely second cavity 1.3.2 place of pinch cavity 1.3 is positioned at, the lower end of sandwiched foot support 3.1 is provided with towards the one side of audio amplifier the sandwiched sole 3.2 be made up of flexible material, the sandwiched sole 3.2 of the present embodiment adopts hardness to be that the silica gel of 35 degree is made, and is provided with one for what break sandwiched pin into two with one's hands and breaks breach 3.3 into two with one's hands in the middle part of sandwiched pin 3 lower end; The dual-purpose pin 4 of pendulum folder is fixed on the leading flank of casing of loudspeaker box 1, the number of the dual-purpose pin 4 of the present embodiment pendulum folder is two, two dual-purpose pin 4 of pendulum folder lay respectively at the left and right sides of sandwiched pin 3, the dual-purpose pin 4 of pendulum folder is provided with the pendulum be made up of flexible material and presss from both sides dual-purpose sole, the leading flank of the Free Surface of the dual-purpose sole of pendulum folder casing of loudspeaker box 1 dorsad; The Free Surface of the dual-purpose sole of pendulum folder is the indent arc cylinder of left and right trend, and the dual-purpose pin 4 of the present embodiment pendulum folder is that 35 degree of silica gel are made and are made into integration by hardness, before the inner concave arc surface upper limb of the Free Surface of the dual-purpose sole of pendulum folder is more prominent compared with its lower edge; In addition, the Free Surface of sandwiched sole 3.2 and the dual-purpose sole of pendulum folder is provided with the sawtooth of left and right trend.
The present invention, when being placed on by the dual-purpose pin of pendulum folder the non-clamping using state that smooth supporting surface uses, pendulum folder dual-purpose sole Free Surface from shown in Fig. 1 dorsad casing of loudspeaker box leading flank direction forward rotate to towards surface-supported direction, clamping pin 3 is accommodated in pinch cavity 1.3 li, the Free Surface each point evagination of the dual-purpose sole of pendulum folder is in sandwiched foot support 3.1 surface of casing of loudspeaker box and the below of casing of loudspeaker box respective surfaces dorsad, the pendulum be made up of flexible material presss from both sides dual-purpose sole and plays shock insulation in case audio amplifier and placed side produce the sound and increase the stable audio amplifier that rubs of shaking, be conducive to the good audio giving full play to cylindrical portable loudspeaker box, and can not supporting surface be damaged.As shown in Figure 5, when the clamping using state that the upper end that the cooperation by sandwiched pin 3 and the dual-purpose pin 4 of pendulum folder is clamped in panel computer 8 uses, sandwiched pin 3 is broken into two with one's hands by breaking breach 3.3 into two with one's hands, make sandwiched sole 3.2 with sandwiched pin 3 around sandwiched foot support 3.1 and the hinged end of casing of loudspeaker box 1 rotate to sandwiched sole 3.2 Free Surface and put the substantially relative position of the Free Surface that presss from both sides dual-purpose sole 4, sandwiched sole 3.1 and the dual-purpose sole of pendulum folder lay respectively at the side, front and back of panel computer 8 and make described convenient audio amplifier be clamped in the upper end of panel computer 8, because the pendulum dual-purpose sole of folder and sandwiched sole 3.1 are made by flexible material, therefore described cylindrical portable loudspeaker box can not damage panel computer 8, because the Free Surface of the dual-purpose sole of pendulum folder is inner concave arc surface, during clamping, the Free Surface inner concave arc surface upper limb of the dual-purpose sole of pendulum folder exceeds the upper corner on rear side of panel computer or notebook computer, the dual-purpose sole inner concave arc surface upper limb bight of pendulum folder is given prominence to the front in panel computer rear surface and makes pendulum press from both sides dual-purpose sole to be hooked on panel computer, described like this cylindrical portable loudspeaker box just not easily departs from clip position because vibration produces downslide, even if therefore described cylindrical portable loudspeaker box also can be made stably to be clamped in panel computer 8 upper end in mobile use and landing can not depart from clip position because of vibrations, described cylindrical portable loudspeaker box is suitable under being not only suitable for inactive state, also use under being applicable to mobile status.
The specific embodiment of the above is only the present invention's preferably execution mode, not limits specific embodiment of the invention scope with this.The equivalence change that all shapes according to the present invention, structure are done ought to all be included in protection scope of the present invention.
Claims (4)
1. a cylindrical portable loudspeaker box, comprise the loudspeaker (2) that casing of loudspeaker box (1) in cylindricality and two are separately fixed at two positions, the end about casing of loudspeaker box (1) cylindricality, it is characterized in that: casing of loudspeaker box (1) is provided with a sandwiched pin (3) and at least one pendulum dual-purpose pin of folder (4); Sandwiched pin (3) comprises sandwiched foot support (3.1), the upper end of sandwiched foot support (3.1) and casing of loudspeaker box (1) upside hinged, and being provided with fastening spring between this end and casing of loudspeaker box, the lower end of sandwiched foot support (3.1) is provided with towards the one side of audio amplifier the sandwiched sole (3.2) be made up of flexible material; The pendulum dual-purpose pin of folder (4) is provided with the pendulum be made up of flexible material and presss from both sides dual-purpose sole, and the pendulum dual-purpose pin of folder (4) is fixed on the leading flank of casing of loudspeaker box (1), the leading flank of the Free Surface of the dual-purpose sole of pendulum folder casing of loudspeaker box (1) dorsad; The Free Surface of the dual-purpose sole of pendulum folder is the indent arc cylinder of left and right trend; Described casing of loudspeaker box (1) is in four prism type; Sandwiched foot support (3.1) is the U-shaped support with the four prism type adaptation of casing of loudspeaker box (1), the upper end thereof of sandwiched foot support (3.1) is in the middle part of casing of loudspeaker box (1) upside, the lower end of sandwiched foot support (3.1) is positioned at casing of loudspeaker box (1) lower position, and correspondingly casing of loudspeaker box (1) is provided with the pinch cavity (1.3) holding sandwiched pin (3); The number of the pendulum dual-purpose pin of folder (4) is two, and two pendulum dual-purpose pin of folder (4) lay respectively at the left and right sides of sandwiched pin (3); Casing of loudspeaker box (1) is combined by upper and lower two and half shells (1.1,1.2) and forms, and correspondingly pinch cavity (1.3) is combined by two and half cavitys up and down (1.3.1,1.3.2) laying respectively at this two and half shells place and forms; The left and right sides of first cavity (1.3.1) upper end is fixed with a sandwiched pin hinged seat (1.4) respectively; The upper end of sandwiched foot support (3.1) by and that be articulated with casing of loudspeaker box (1) on the upside of middle part hinged with sandwiched pin hinged seat (1.4), and is provided with fastening spring (6) between this end and casing of loudspeaker box (1); Fastening spring (6) provide described cylindrical portable loudspeaker box be clamped in panel computer (8) upper end and clamping pin (3) be received into the inner elastic force of pinch cavity (1.3); Clamping pin (3) be accommodated in pinch cavity (1.3) inner time, the lower end of sandwiched foot support (3.1) is positioned at casing of loudspeaker box (1) lower position, is namely positioned at second cavity (1.3.2) place of pinch cavity (1.3); The Free Surface of sandwiched sole (3.2) and the dual-purpose sole of pendulum folder is provided with the sawtooth of left and right trend.
2. cylindrical portable loudspeaker box according to claim 1, is characterized in that: casing of loudspeaker box (1) middle part is provided with the partition bone that audio amplifier left and right acoustic channels chamber is separated, and cuts off the opening leaving conducting audio amplifier left and right acoustic channels chamber in the middle of bone.
3. cylindrical portable loudspeaker box according to claim 1, is characterized in that: sandwiched pin (3) lower end is provided with one for what break sandwiched pin into two with one's hands and breaks breach (3.3) into two with one's hands.
4. the cylindrical portable loudspeaker box according to any one of claims 1 to 3, is characterized in that: before the inner concave arc surface upper limb of Free Surface of the dual-purpose sole of pendulum folder is more prominent compared with its lower edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210127067.2A CN102695104B (en) | 2012-04-26 | 2012-04-26 | Cylindrical portable loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210127067.2A CN102695104B (en) | 2012-04-26 | 2012-04-26 | Cylindrical portable loudspeaker box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102695104A CN102695104A (en) | 2012-09-26 |
| CN102695104B true CN102695104B (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210127067.2A Expired - Fee Related CN102695104B (en) | 2012-04-26 | 2012-04-26 | Cylindrical portable loudspeaker box |
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| CN (1) | CN102695104B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2664325Y (en) * | 2003-08-05 | 2004-12-15 | 李波 | Conveniently placing sound box |
| CN2912176Y (en) * | 2006-06-08 | 2007-06-13 | 中北大学 | Mobile loudspeaker box |
| CN201185481Y (en) * | 2008-02-22 | 2009-01-21 | 深圳市泛蓝科技有限公司 | Video voice chat numeral acoustic enclosure |
| CN201657236U (en) * | 2010-04-20 | 2010-11-24 | 东莞耳神电声科技有限公司 | External sound box for notebook computer |
| CN102361179A (en) * | 2011-09-23 | 2012-02-22 | 四川省电力公司乐山电业局 | Improved portable grounding wire |
| CN202587299U (en) * | 2012-04-26 | 2012-12-05 | 浙江恒科实业有限公司 | Portable sound box |
-
2012
- 2012-04-26 CN CN201210127067.2A patent/CN102695104B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2664325Y (en) * | 2003-08-05 | 2004-12-15 | 李波 | Conveniently placing sound box |
| CN2912176Y (en) * | 2006-06-08 | 2007-06-13 | 中北大学 | Mobile loudspeaker box |
| CN201185481Y (en) * | 2008-02-22 | 2009-01-21 | 深圳市泛蓝科技有限公司 | Video voice chat numeral acoustic enclosure |
| CN201657236U (en) * | 2010-04-20 | 2010-11-24 | 东莞耳神电声科技有限公司 | External sound box for notebook computer |
| CN102361179A (en) * | 2011-09-23 | 2012-02-22 | 四川省电力公司乐山电业局 | Improved portable grounding wire |
| CN202587299U (en) * | 2012-04-26 | 2012-12-05 | 浙江恒科实业有限公司 | Portable sound box |
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| Publication number | Publication date |
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| CN102695104A (en) | 2012-09-26 |
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Granted publication date: 20141224 Termination date: 20170426 |