CN203279157U - Flatbed woofer and electronic device applying the flatbed woofer - Google Patents
Flatbed woofer and electronic device applying the flatbed woofer Download PDFInfo
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- CN203279157U CN203279157U CN 201320245313 CN201320245313U CN203279157U CN 203279157 U CN203279157 U CN 203279157U CN 201320245313 CN201320245313 CN 201320245313 CN 201320245313 U CN201320245313 U CN 201320245313U CN 203279157 U CN203279157 U CN 203279157U
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- woofer
- vibrating diaphragm
- phonate hole
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Abstract
The utility model provides a flatbed woofer comprising a diaphragm, at least six mutually independent driving units and a housing. The diaphragm is of a rectangular structure and comprises a ball top portion and a folded ring portion; the driving units comprise coil units and magnetic circuit units corresponding to the coil units, wherein four of the voice coil units are connected with four corner portions of the ball top portion of the diaphragm respectively, and the other coil units are arranged at one or two opposite sides of the ball top portion respectively and are not at the same line as the two coil units sharing the same side therewith; the housing is provided with installing holes for accommodating and installing the driving units and also phonate holes penetrating an installing plane; and the folded ring portion of the diaphragm is fixedly connected with the peripheral area of the upper side surface of the housing. The flatbed woofer provided by the utility model can solve problems of too thick voice coils, excessive magnet performance and insufficient driving force of a conventional woofer.
Description
Technical field
The utility model relates to the acoustic-electric technical field, more specifically, relates to a kind of flat woofer and uses the electronic installation of this woofer.
Background technology
Along with the progress of society and the development of technology, in recent years, the slimming increasingly of the electronic products such as television set, people are also more and more higher to the performance requirement of these electronic products, thereby the thickness that also requires supporting electronic component with it also reduce, performance and consistency improve constantly.--and can't be applied in slim electronic installation.
Woofer is a kind of important electronic component that is widely used in above-mentioned electronic product, in as thin type electronic devices such as LCD TV, notebook computers, requirement reduces its thickness as far as possible on the basis that ensures speaker performance, to adapt to the needs of thin type electronic device.
The woofer of traditional structure adopts the vibrating diaphragm of taper cone shape usually, and the center of conical diaphragm comprises a voice coil loudspeaker voice coil, and the size of magnetic circuit system is larger also thicker.The woofer of this structure, the thickness of product is larger, can't satisfy the present electronic product demand of slimming increasingly, and practicality is not strong.
And woofer has larger bore usually in order to guarantee its low frequency sound effect, namely has larger vibrating diaphragm area.If adopt a tabular vibrating diaphragm, be combined with the structure (voice coil loudspeaker voice coil need to be positioned at submarginal position) of a voice coil loudspeaker voice coil, large-area vibrating diaphragm requires the voice coil loudspeaker voice coil size also larger, and the coiling difficulty is more yielding.In addition, the magnet size of existing woofer is larger, and when slimming is used, washer and basin frame thickness are all less, and magnetic circuit system is easily saturated, and the magnet performance is superfluous, cause waste, and cost is higher.
Based on above factor, need to the product of traditional structure be improved.
The utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of flat woofer, realizing the slimming of woofer, and solves that the woofer voice coil loudspeaker voice coil is thick and heavy, the magnet performance superfluous and drive hypodynamic problem.
The utility model provides a kind of flat woofer, comprises vibrating diaphragm, at least six separate driver elements and shell; Wherein,
Vibrating diaphragm is rectangular configuration, comprises the ball top that is positioned at the center and the ring section that is positioned at marginal position;
Driver element comprises voice coil unit and the magnetic circuit unit corresponding with voice coil unit;
Wherein four voice coil units are combined in respectively four bights at the ball top of vibrating diaphragm, and other voice coil unit is separately positioned on one group of the ball top or two groups of opposite side, and with two voice coil loudspeaker voice coils on limit, place not on same straight line;
Be provided with on shell be used to holding the installing hole that driver element is installed and the phonate hole that connects mounting plane;
The ring section of vibrating diaphragm is fixedly connected with the outer peripheral areas of shell upper side.
In addition, preferred scheme is that shell comprises mounting plane and is arranged on mounting plane annular sidewall on every side, is provided with on mounting plane be used to holding the installing hole that driver element is installed and the phonate hole that connects mounting plane; The ring section of the upper side of annular sidewall and vibrating diaphragm is fixedly connected with.
In addition, preferred scheme is that driver element is six, comprises six separate voice coil units and the magnetic circuit unit corresponding with described voice coil unit; Wherein, four voice coil units are separately positioned on four bights at ball top, and two other voice coil unit is positioned on one group of opposite side at ball top; And the spacing on relative straight line between two of the center voice coil units is less than the spacing between the voice coil unit of two, bight.
In addition, preferred scheme is that shell is aluminum alloy materials; Phonate hole comprises the center phonate hole and the edge phonate hole that is positioned at the mounting plane marginal position that is positioned at the mounting plane center; The center phonate hole is arranged between adjacent every four installing holes; The edge phonate hole is four, is separately positioned between annular sidewall four limits and installing hole.
In addition, preferred scheme is that the center phonate hole is circular or square; The edge phonate hole is strip.
In addition, preferred scheme is, this flat woofer also comprises the FPCB connector that is electrically connected to its internal circuit and external circuit, the FPCB connector is bar shaped, the middle part of FPCB connector is combined in a side that is provided with voice coil loudspeaker voice coil on vibrating diaphragm, and the both ends of FPCB connector extend to mounting plane away from a side of vibrating diaphragm by the edge phonate hole.
In addition, preferred scheme is that the electric connection mode of voice coil unit is:
Three voice coil unit series connection that will be positioned at respectively on same straight line are two branch roads, then with two branch circuit parallel connections; Perhaps, it is two branch roads that two voice coil loudspeaker voice coils that will be positioned at respectively same straight line bight are connected with the voice coil loudspeaker voice coil in the middle of opposite side, then with two branch circuit parallel connections.
In addition, preferred scheme is, the ball top is rigid structure, honeycomb or foaming body structure, and ring section adopts PU or silicon rubber to make.
In addition, preferably scheme is, also has extension at the annular sidewall periphery, evenly is provided with the fixedly fixing hole of loud speaker on extension.
On the other hand, the utility model also provides a kind of electronic installation, comprises the peripheral frame of above-mentioned flat woofer and fixing described woofer, the operatic tunes after forming between described peripheral frame and described woofer; The described rear operatic tunes is communicated with the space of described vibrating diaphragm rear side by described phonate hole.
In addition, preferred scheme is to be provided with sound-absorbing material or gas adsorption material in the rear operatic tunes.
From top technical scheme as can be known, flat woofer of the present utility model, can obtain following beneficial effect:
1) adopt six driver elements, four bights at four ball tops that are separately positioned on vibrating diaphragm wherein, also be provided with in addition two drivings on major axis, this structure adopts undersized voice coil loudspeaker voice coil and magnetic circuit to drive the vibrating diaphragm of large-sized woofer, can reduce the thickness of woofer, the size that can also save magnet reduces costs, and improves the sensitivity of loud speaker, and this driver element structure that is arranged at the bight is conducive to drive evenly the vibrating diaphragm of woofer;
2) driver element is not at same straight line and equidistantly arrange, this arrangement architecture acts on vibrating diaphragm, the defective that can avoid the resonance due to vibrating diaphragm to cause, simultaneously, actuating force is even, produce larger actuating force, can act on more powerful electronic installation, and flat woofer structure is lighter and thinner;
3) shell adopts aluminum alloy materials, and the aluminum alloy materials strength ratio is larger, and stability is high;
4) adopt FPCB(Flexible Printed Circuit Board, be called for short FPCB or FPC, flexible print wiring board) connect voice coil loudspeaker voice coil and external circuit, can save the space, and with the lead-in wire of the membrane-bound voice coil loudspeaker voice coil that shakes directly with the pad welding that is incorporated into the FPCB connector on vibrating diaphragm, voice coil loudspeaker voice coil, FPCB and wire bonds place be with vibrating diaphragm synchronous vibration, can avoid the fracture of the voice coil leads that the vibration due to vibrating diaphragm causes;
5) add sound-absorbing material or gas adsorption material after in the operatic tunes, can adjust the acoustical curve of product, the equivalent volume of the operatic tunes after improving, the low frequency sound effect of improving product.
Description of drawings
By the content of reference below in conjunction with the description of the drawings and claims, and along with understanding more comprehensively of the present utility model, other purpose of the present utility model and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 is the flat woofer structural representation according to the utility model embodiment;
Fig. 2 is the reverse view according to shell and the driver element of the utility model embodiment;
Fig. 3 is the voice coil loudspeaker voice coil connection diagram according to the utility model embodiment;
Fig. 4 is the voice coil loudspeaker voice coil connection diagram according to another embodiment of the utility model;
Fig. 5 is that flat woofer according to the utility model embodiment is at the electronic device construction schematic diagram;
Fig. 6 is the flat woofer application state figure according to the utility model embodiment.
Reference numeral wherein comprises: ball top 1, ring section 2, shell 3, installing hole 4, driver element 5, FPCB connector 6, center phonate hole 7, edge phonate hole 8, mounting plane 9, annular sidewall 10, fixing hole 11, vibrating diaphragm 12, electronic installation 13, the rear operatic tunes 14.
Label identical in institute's drawings attached is indicated similar or corresponding feature or function.
Embodiment
In the following description, for purposes of illustration, for the complete understanding to one or more embodiment is provided, many details have been set forth.Yet, clearly, can be in the situation that do not have these details to realize these embodiment yet.Below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
Woofer needs larger vibrating diaphragm area, for enough drivings being provided on the basis of restriction voice coil loudspeaker voice coil and magnet size large-area vibrating diaphragm, the utility model is from the angle of a plurality of separate driver elements of dispersed placement, make vibrating diaphragm be driven by a plurality of independently voice coil loudspeaker voice coils, each voice coil loudspeaker voice coil correspondence is magnetic circuit unit independently, thereby realizes the miniaturization of woofer with driver element laying structure more rationally and effectively.
Fig. 1 is the structural representation according to the flat woofer of the utility model embodiment.As shown in Figure 1, the flat woofer that the utility model provides comprises vibrating diaphragm, at least six separate driver elements 5 and the fixing shell 3 that encapsulates vibrating diaphragm and driver element 5.
Wherein, vibrating diaphragm is rectangular configuration, can be rectangle structure, also can be square structure.Vibrating diaphragm comprises the ball top 1 of the vibrating diaphragm that is positioned at the center and is positioned at the ring section 2 of the vibrating diaphragm of marginal position, and the ring section 2 of vibrating diaphragm is fixedly connected with the outer peripheral areas of shell 3 upper sides.
The phonate hole that mounting plane 9 is provided with the installing hole 4 corresponding with driver element number and position and connects mounting plane, installing hole 4 can be used for holding voice coil unit and fixedly magnetic circuit unit are installed.Phonate hole comprises the center phonate hole 7 of two circles and the edge phonate hole 8 of four bar shapeds, and center phonate hole 7 is arranged between adjacent every four installing holes 4, and edge phonate hole 8 is four, is separately positioned between annular sidewall four limits and installing hole 4.In the embodiment shown in fig. 1, edge phonate hole 7 is strip, and center phonate hole 8 is circular.Certainly, also can the edge phonate hole be designed to circle according to the demand of loudspeaker applications or other are irregularly shaped.
The ring section 2 of the upper side of annular sidewall 10 and vibrating diaphragm is fixedly connected with.
The mid portion of FPCB connector 6 is incorporated into vibrating diaphragm near a side of shell, be positioned at homonymy with the voice coil loudspeaker voice coil of driver element 5, and FPCB connector 6 is provided with corresponding to the position of vibrating diaphragm the pad that is electrically connected to the lead-in wire of voice coil loudspeaker voice coil, and the lead-in wire of voice coil loudspeaker voice coil and pad all are positioned at the surface of vibrating diaphragm the same side; The end of FPCB connector 6 extends to mounting plane 9 away from a side of vibrating diaphragm, and the present embodiment extends to reverse side by the edge phonate hole.This structure of FPCB can take full advantage of the inner space of woofer, and the broken string of having avoided in the vibrating diaphragm vibration processes tractive due to lead-in wire to cause.
Because the driver element that the utility model adopts is more, therefore, in the embodiment of utility model, adopt the FPCB connector to be electrically connected to driver element and external circuit, be compared to common side connecting conductor formula, adopt the FPCB connector can make simplified manufacturing process, save the inner space of loud speaker, and can improve the stability of loud speaker.
Wherein, the ball top 1 of vibrating diaphragm is rigid structure, and the ball top of rigid structure can promote the vibrating diaphragm acoustic characteristic, and be convenient to driver element in the voice coil loudspeaker voice coil strong bonded.In enforcement of the present utility model, the ball top 1 of vibrating diaphragm can be adopted as material or the foam material of honeycomb, and these two kinds of structures also can promote the acoustic characteristic of vibrating diaphragm.The ring section 2 of vibrating diaphragm can adopt PU (Polyurethane, polyurethane) or silicon rubber to make.
The voice coil loudspeaker voice coil that the ball top 1 of vibrating diaphragm is used in conjunction with driver element 5, the quantity of driver element 5 is no less than six.For the rectangle vibrating diaphragm and the structure of six driver elements is arranged, the spacing on the transverse and longitudinal direction between driver element is inhomogeneous arranges, and this defective of arranging and can avoid the resonance due to vibrating diaphragm to cause is conducive to improve the performance of product.
in the embodiment of six driver elements of the present utility model, driver element has six at least, four bights at four ball tops that are separately positioned on vibrating diaphragm 1 wherein, driver element in the middle of on the major axis limit is near the position skew at vibrating diaphragm center, three driver elements on the major axis limit are not on same straight line but equidistantly arrange like this, distance between two driver elements of relative edge's center is less than the distance between two driver elements in the bight, this structure adopts undersized voice coil unit and magnetic circuit unit to drive the vibrating diaphragm of large-sized woofer, can reduce the thickness of woofer, the size that can also save magnet reduces costs, improve the sensitivity of loud speaker.Wherein, inhomogeneous arranging between driver element, this arrangement mode is stronger except the actuating force that can make whole driver element, actuating force evenly, can also avoid voice coil loudspeaker voice coil to make vibrating diaphragm produce resonance, this performance can make flat woofer of the present utility model be used for the larger electronic installation of power, as liquid crystal TV set etc.
Wherein, voice coil unit comprises voice coil loudspeaker voice coil, speech coil framework, centring disk, and magnetic circuit unit comprises washer, magnet, T iron.
Voice coil loudspeaker voice coil is combined fixing with vibrating diaphragm, speech coil framework is used for supporting voice coil loudspeaker voice coil, makes voice coil loudspeaker voice coil be positioned at suitable position in magnetic gap.Centring disk is used for fixedly voice coil loudspeaker voice coil, prevents that voice coil loudspeaker voice coil from polarization occuring in the horizontal direction.Driver element is circular configuration, and this structural design can make vibrating diaphragm stressed evenly.This circular configuration is than rectangle structure, except make vibrating diaphragm stressed evenly, also can not be subject to doubling force.
Fig. 2 is the reverse view according to shell and the driver element of the utility model embodiment.As shown in Figure 2, shell 3 comprises the annular sidewall around mounting plane and mounting plane, mounting plane is provided with six the installing hole 4 of driver elements and the phonate hole that connects mounting plane is installed, and installing hole 4 can be used for installing the fixed drive unit, and driver element comprises voice coil unit and magnetic circuit unit.Phonate hole comprises two center phonate holes 7 and four edge phonate holes 8, and phonate hole comprises the center phonate hole 7 of two circles and the edge phonate hole 8 of four bar shapeds.
On six installing holes 4, fixedly mount six driver elements, in driver element as shown in Figure 2, middle one group of driver element is near center phonate hole 7, with the driver element in bight not on same straight line, and inhomogeneous arrangement, this arrangement mode is stronger except the actuating force that can make whole driver element, actuating force evenly outside, prevent resonance, the defective that can avoid the resonance due to vibrating diaphragm to cause.
Wherein, shell 3 is aluminum alloy materials, and the aluminum alloy materials strength ratio is larger, and stability is high.
In the embodiment of Fig. 2, structure for six driver elements, for make the FPCB connector namely can with shell 3 secure bond, can connect easily a plurality of voice coil loudspeaker voice coils again, be provided with a plurality of pads and the circuit that is connected these pads on the surface of FPCB connector 6, the pad near vibrating diaphragm one side on voice coil loudspeaker voice coil and FPCB connector 6 is electrically connected to by modes such as spot welding.FPCB connector 6 is bar shaped, and the middle part of FPCB connector is combined in a side that is provided with voice coil loudspeaker voice coil on vibrating diaphragm, and the both ends of FPCB connector extend to mounting plane away from a side of vibrating diaphragm by the edge phonate hole.In connection procedure, utilize the circuit between solder joint, can connect flexibly in the mode of series, parallel or connection in series-parallel combination between voice coil loudspeaker voice coil.
In addition, also be provided with fixing hole 11 in shell 3 thin edges, fixing hole 11 is used for woofer and electronic installation is fixed.
Wherein, in the embodiment of six driver elements, the electric connection mode of voice coil unit is: three voice coil unit series connection that will be positioned at respectively on same straight line are two branch roads, then with two branch circuit parallel connections; Perhaps, it is two branch roads that two voice coil loudspeaker voice coils that will be positioned at respectively same straight line bight are connected with the voice coil loudspeaker voice coil in the middle of opposite side, then with two branch circuit parallel connections.
Fig. 3 is the voice coil loudspeaker voice coil connection diagram according to the utility model embodiment, and as shown in Figure 3, three voice coil unit series connection that just belong to respectively on same straight line are two branch roads, then with two branch circuit parallel connections.
Fig. 4 is the voice coil loudspeaker voice coil connection diagram according to another embodiment of the utility model, and as shown in Figure 4, it is two branch roads that two voice coil loudspeaker voice coils that are positioned at same straight line bight are connected with the voice coil loudspeaker voice coil in the middle of opposite side, then with two branch circuit parallel connections.According to voice coil unit connected mode shown in Figure 4, if one the one or more driver elements on branch road go wrong, flat woofer also can work, because also have an other branch road around even distribution vibrating diaphragm, makes vibrating diaphragm stressed evenly.Simultaneously, because the two ends of FPCB are thinner, and the bending of certain radian is arranged, therefore in the time of vibrating diaphragm can being vibrated, the resistance of vibrating diaphragm is dropped to minimum, and make vibrating diaphragm can be stressed evenly.
Fig. 5 is that flat woofer according to the utility model embodiment is at the electronic device construction schematic diagram, as shown in Figure 5, flat woofer is arranged on electronic installation 13(such as TV) in, electronic installation 13(such as TV) be electrically connected to the side of FPCB connector 6 away from mounting plane.
Fig. 6 is the flat woofer application state figure according to the utility model embodiment.
As shown in Figure 6, because the mid portion of FPCB connector 6 is combined in a side that is provided with voice coil loudspeaker voice coil on vibrating diaphragm, therefore, in speaker product, the mid portion of FPCB connector 6 is positioned at mounting plane near a side of vibrating diaphragm, and the both ends of FPCB connector 6 extend to mounting plane 9 away from a side of vibrating diaphragm from phonate hole.Phonate hole on mounting plane makes the space of vibrating diaphragm 12 rear sides be communicated with the whole rear operatic tunes 14, can add sound-absorbing material or gas adsorption material in the rear operatic tunes 14.Sound-absorbing material can be adjusted acoustical curve, adjusts sound performance; The adsorbable gas of gas adsorption material, the operatic tunes 14 air pressure after adjusting, thereby the equivalent volume of the operatic tunes 14 after improving, the low frequency sound effect of improving product.
Can find out by above-mentioned execution mode, the flat woofer that the utility model provides, adopt at least six driver elements to be arranged on four bights at ball top of vibrating diaphragm and major axis and also have two driver elements, this structure adopts undersized voice coil unit and magnetic circuit unit to drive the vibrating diaphragm of large-sized woofer, can reduce the thickness of woofer, the size that can also save magnet reduces costs, and improves the sensitivity of loud speaker; On the major axis limit, the driver element of homonymy is not still equidistantly arranged on same straight line, and relatively on straight line in the spacing between two driver elements in centre position less than the spacing between two driver elements of bight, this arrangement architecture acts on vibrating diaphragm, the defective that can avoid the resonance due to vibrating diaphragm to cause, actuating force is even simultaneously, driving vibrating diaphragm that can balance can act on more powerful electronic installation, and flat woofer structure is lighter and thinner; Shell adopts aluminum alloy materials, and the aluminum alloy materials strength ratio is larger, and stability is high; Adopt FPCB to connect voice coil loudspeaker voice coil and external circuit, can save the space, and with the lead-in wire of the membrane-bound voice coil loudspeaker voice coil that shakes directly with the pad welding of FPCB connector, can avoid the broken string of the voice coil leads that the vibration due to vibrating diaphragm causes; And add sound-absorbing material or gas adsorption material in the rear operatic tunes, can improve the equivalent volume of the rear operatic tunes, the low frequency sound effect of improving product.
As above described according to the flat woofer that the utility model proposes and the electronic installation of using this woofer in the mode of example with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that the flat woofer that proposes for above-mentioned the utility model and the electronic installation of using this woofer, can also make various improvement on the basis that does not break away from the utility model content.Therefore, protection range of the present utility model should be determined by the content of appending claims.
Claims (11)
1. flat woofer comprises vibrating diaphragm, at least six separate driver elements and shell; It is characterized in that,
Described vibrating diaphragm is rectangular configuration, comprises the ball top that is positioned at the center and the ring section that is positioned at marginal position;
Described driver element comprises voice coil unit and the magnetic circuit unit corresponding with described voice coil unit;
Wherein four described voice coil units are combined in respectively four bights at the ball top of described vibrating diaphragm, and other voice coil unit is separately positioned on one group of described ball top or two groups of opposite side, and with two voice coil loudspeaker voice coils on limit, place not on same straight line;
Be provided with on described shell be used to holding the installing hole that described driver element is installed and the phonate hole that connects described mounting plane;
The ring section of described vibrating diaphragm is fixedly connected with the outer peripheral areas of described shell upper side.
2. flat woofer as claimed in claim 1, is characterized in that,
Described shell comprises mounting plane and is arranged on described mounting plane annular sidewall on every side, is provided with on described mounting plane be used to holding the installing hole that described driver element is installed and the phonate hole that connects described mounting plane;
The ring section of the upper side of described annular sidewall and described vibrating diaphragm is fixedly connected with.
3. flat woofer as claimed in claim 2, is characterized in that,
Described driver element is six, comprises six separate voice coil units and the magnetic circuit unit corresponding with described voice coil unit; Wherein, four voice coil units are arranged at respectively four bights at described ball top, and two other voice coil unit is positioned on the opposite side of described ball one group, top; And,
Spacing on relative straight line between two of the center voice coil units is less than the spacing between the voice coil unit of two, bight.
4. flat woofer as claimed in claim 2, is characterized in that,
Described phonate hole comprises the edge phonate hole that is positioned at center, described mounting plane center phonate hole and is positioned at described mounting plane marginal position;
Described center phonate hole is arranged between adjacent every four installing holes;
Described edge phonate hole is four, is separately positioned between described annular sidewall four limits and described installing hole.
5. flat woofer as claimed in claim 4, is characterized in that,
Described center phonate hole is circular or square;
Described edge phonate hole is strip.
6. flat woofer as claimed in claim 5, also comprise the FPCB connector that is electrically connected to described woofer internal circuit and external circuit, it is characterized in that,
Described FPCB connector is bar shaped, and the middle part of described FPCB connector is combined in a side that is provided with described voice coil loudspeaker voice coil on described vibrating diaphragm, and the both ends of described FPCB connector extend to described mounting plane away from a side of described vibrating diaphragm by described edge phonate hole.
7. flat woofer as described in any one in claim 1～6, is characterized in that,
The electric connection mode of described voice coil unit is:
Three voice coil unit series connection that will be positioned at respectively on same straight line are two branch roads, then with two branch circuit parallel connections; Perhaps,
It is two branch roads that two voice coil loudspeaker voice coils that will be positioned at respectively same straight line bight are connected with the voice coil loudspeaker voice coil in the middle of opposite side, then with two branch circuit parallel connections.
8. flat woofer as described in claim 1～6, is characterized in that,
Described ball top is rigid structure, honeycomb or foaming body structure;
The described ring employing PU of section or silicon rubber are made;
Described shell is aluminum alloy materials.
9. flat woofer as described in any one in claim 2～6, is characterized in that,
Also have extension at described annular sidewall periphery, evenly be provided with the fixing hole of fixing described loud speaker on described extension.
10. electronic installation, it is characterized in that, described electronic installation comprises the described flat woofer of any one in claim 1～9, and the peripheral frame of fixing described woofer, the operatic tunes after forming between described peripheral frame and described woofer; The described rear operatic tunes is communicated with the space of described vibrating diaphragm rear side by described phonate hole.
11. electronic installation according to claim 10 is characterized in that,
Be provided with sound-absorbing material or gas adsorption material in the described rear operatic tunes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320245313 CN203279157U (en) | 2013-05-08 | 2013-05-08 | Flatbed woofer and electronic device applying the flatbed woofer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320245313 CN203279157U (en) | 2013-05-08 | 2013-05-08 | Flatbed woofer and electronic device applying the flatbed woofer |
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| Publication Number | Publication Date |
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| CN203279157U true CN203279157U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320245313 Expired - Lifetime CN203279157U (en) | 2013-05-08 | 2013-05-08 | Flatbed woofer and electronic device applying the flatbed woofer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014180014A1 (en) * | 2013-05-08 | 2014-11-13 | 歌尔声学股份有限公司 | Tablet woofer and electronic device using same |
| WO2017024987A1 (en) * | 2015-08-07 | 2017-02-16 | Sound Solutions International Co., Ltd. | Loudspeaker device having foam insert to improve gas distribution in sound adsorber material |
-
2013
- 2013-05-08 CN CN 201320245313 patent/CN203279157U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014180014A1 (en) * | 2013-05-08 | 2014-11-13 | 歌尔声学股份有限公司 | Tablet woofer and electronic device using same |
| US9769572B2 (en) | 2013-05-08 | 2017-09-19 | Goertek Inc. | Tablet woofer and electronic device using same |
| US10440478B2 (en) | 2013-05-08 | 2019-10-08 | Goertek Inc. | Tablet woofer and electronic device using same |
| WO2017024987A1 (en) * | 2015-08-07 | 2017-02-16 | Sound Solutions International Co., Ltd. | Loudspeaker device having foam insert to improve gas distribution in sound adsorber material |
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| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |