CN203492192U - Thin horn structure - Google Patents
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- CN203492192U CN203492192U CN201320516194.1U CN201320516194U CN203492192U CN 203492192 U CN203492192 U CN 203492192U CN 201320516194 U CN201320516194 U CN 201320516194U CN 203492192 U CN203492192 U CN 203492192U
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- 238000005728 strengthening Methods 0.000 claims abstract description 7
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 230000000630 rising effect Effects 0.000 claims description 5
- 239000002023 wood Substances 0.000 claims description 4
- 210000001364 upper extremity Anatomy 0.000 claims description 2
- 239000000725 suspension Substances 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 12
- 238000013461 design Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008034 disappearance Effects 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001965 increasing effect Effects 0.000 description 1
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Abstract
A thin horn structure, comprising: a supporting frame which is provided with a hollow-out body, and a step surface is formed on the periphery of the supporting frame; a magnetic return component arranged in the hollow body; a voice coil, which is sleeved in the magnetic loop component; a diaphragm, which is arranged on the upper edge surface of the voice coil to form the basic structure of a loudspeaker; the method is characterized in that: the voice coil and the magnetic return component are both circular; the vibrating diaphragm is composed of an elliptical ring-shaped suspension edge and an elliptical body, the body is provided with a central part and a peripheral part annularly arranged around the suspension edge, the peripheral part is adhered to the bottom edge of the inner ring surface of the suspension edge, the central part defines a long elliptical body with a rigid strengthening area relative to the peripheral part, and the length of the long edge of the central part is required to be greater than the diameter of the voice coil by a preset distance; therefore, the long elliptic trunk body is matched with the vibration structure combined by the circular voice coil, so that the rigidity of the vibrating diaphragm can be improved, and the long edge of the vibrating diaphragm can be reduced from moving along the radial direction.
Description
Technical field
The utility model is relevant a kind of thin type horn structure, and espespecially a kind of rigidity of promoting vibrating diaphragm is cut apart the horn single body structure of motion to reduce vibrating diaphragm.
Background technology
Tradition moving-coil speaker be take round as main, it shown in Figure 1A, is the schematic diagram of existing round loudspeaker 70, because round voice coil loudspeaker voice coil and magnetic return member 72 be placed in vibrating diaphragm 71 under, vibrating diaphragm 71 and voice coil loudspeaker voice coil are the concentric circles of an equal proportion, and work as voice coil loudspeaker voice coil, because producing vibrating diaphragm 71, pulls piston action, while allowing vibrating diaphragm 71 produce axial up and down reciprocating, on vibrating diaphragm 71, each point is stressed all consistent, and the tonequality therefore producing is best.
But look into, now consumption electronic products are pursued when compact, the space that can offer loudspeaker setting is very limited, sometimes for example, in order to yield to now the square outward appearance of ultrathin consumption electronic products (mobile phone, dull and stereotyped, or notebook computer) demand, during product design, usually leave the position of deflection product corner for loudspeaker, very limited in space, and wish again to improve on the one hand tonequality and volume demand, causing current many Ultrathin speaker monomers to be all made into non-round, as shown in Figure 1B and Fig. 1 C, is disciform horn single body structure.
Wherein, existing a kind of ellipse loudspeaker 80 shown in Figure 1B, for the general common horn single body being used in consumption electronic products now, its vibrating diaphragm 81 (comprising trunk and outstanding limit) is generally and approaches the ellipse that equal proportion is amplified, and be placed in the voice coil loudspeaker voice coil of vibrating diaphragm 81 belows, and magnetic returns member 82 etc., also all adopt ellipse, and trunk central part 811 is designed to be less than short ellipse or the polygon of voice coil loudspeaker voice coil.Compared to round structure, the advantage of this structure is: because of the vibrating diaphragm 81 areas increasings of ellipse loudspeaker 80, therefore, volume can increase, and bass reaction also can be better, can properly utilize each space of consumption electronic products.But shortcoming is, due to voice coil loudspeaker voice coil and magnetic, returning member 82 is all ellipse, so the materials cost that magnetic returns member and voice coil loudspeaker voice coil can increase a lot, and ellipse voice coil loudspeaker voice coil is also more complicated than the manufacture craft of round voice coil loudspeaker voice coil.
In order to solve above-mentioned ellipse loudspeaker 80, use ellipse voice coil loudspeaker voice coil and magnetic to return the problem of the derivative cost of member 82 and manufacture craft, therefore there is the design of existing another kind of ellipse loudspeaker 90 shown in Fig. 1 C, this kind of design is the central part of the trunk of Loudspeaker diaphragm 91 911 to be designed to just justify (or approaching just round shape), and use just round voice coil loudspeaker voice coil and just round magnetic to return member 92, wherein, the diameter of voice coil loudspeaker voice coil approximately and the equal diameters of trunk central part 911 or quite approaching.
The advantage of this structure, except cost and manufacture craft comparatively reduce compared with foregoing structure, also because magnetic returns member 92 and diminishes, equal to provide loudspeaker rear to have more sound cavity space, allow loudspeaker pack in a resonator chamber, can have more space to produce resonance, promote bass and volume.Yet, this structure is because voice coil loudspeaker voice coil is for just round, but whole vibrating diaphragm 91 is ellipses, while causing voice coil loudspeaker voice coil vibration, inconsistent with the application of force on long limit to vibrating diaphragm minor face, therefore, easily in long edge position, produce on radially and cut apart motion, cause intermediate frequency performance comparatively weak, relatively easily produce distortion, and intermediate frequency is again the people regions the most responsive to sound, so intermediate frequency performs poor, and will affect the evaluation of consumer to loudspeaker.And, common this structure is for reducing the not good problem of above-mentioned intermediate frequency, vibrating diaphragm have to be changed into up concave type design, make the center of whole vibrating diaphragm obviously recessed, to alleviate whereby the diaphagras of vibrating diaphragm, but result can cause the increase of whole loudspeaker thickness like this, and be unfavorable for the design requirement that consumption electronic products are frivolous.
The inventor, because the problems referred to above point is active research improvement, to overcome its disappearance, is the problem of the utility model institute wish solution.
Utility model content
Technical problem underlying to be solved in the utility model is, overcome the above-mentioned defect that prior art exists, and provide a kind of thin type horn structure, it has the rigidity of strengthening ellipse trunk, to reduce the motion of cutting apart that footpath, the long edge of vibrating diaphragm makes progress, make intermediate frequency tonequality show good and be difficult for the effect of distortion; It has increases the space at horn single body rear, to increase the resonant space at loudspeaker rear, can reach the effect that promotes tonequality and volume; The consumption that its magnetic returns member reduces, and has the effect that the material cost of making reduces relatively; It adopts just round voice coil loudspeaker voice coil structure, has making convenient, promotes the effect of producing yield and efficiency.
The utility model solves the technical scheme that its technical problem adopts:
A thin type horn structure, the horn single body that espespecially a kind of full-height can be below 10mm, comprising: a bracing frame, be elongated body, centre has a hollow out body, forms an ellipse step surface on periphery; One magnetic returns member, is located in this hollow out body; One voice coil loudspeaker voice coil, is set in this magnetic and returns in member; One vibrating diaphragm, is located at the upper limb face of this voice coil loudspeaker voice coil, and its outer peripheral edges are fixed on this ellipse step surface, to form the basic comprising of loudspeaker; It is characterized in that: this voice coil loudspeaker voice coil and this magnetic return member and is all just round; And this vibrating diaphragm is consisted of outstanding limit and a long disciform trunk of an oval ring-type, and this trunk has a central part and is located at its outer part around with ring, the glutinous inner ring surface root edge that is located at outstanding limit of this outer part, this central part is with respect to outer part, define the long ellipse body of a rigidity strengthening region, and the length on the long limit of this central part, must be greater than the predetermined distance of diameter one of this voice coil loudspeaker voice coil;
Whereby, with this long disciform trunk, the vibration-damper structure of this just round voice coil loudspeaker voice coil institute combination of arranging in pairs or groups, the rigidity that can promote this vibrating diaphragm, to reduce the motion of cutting apart that footpath, the long edge of vibrating diaphragm makes progress.
According to front taking off feature, the outer part of this long disciform trunk minor face, with respect to the diameter of this voice coil loudspeaker voice coil, is the flange that forward and backward both sides outwards form reservation shape, to form the connecting portion of a rising wood combination for this voice coil loudspeaker voice coil; And in a preferred embodiment, this flange is set as the circular arc corresponding with this voice coil loudspeaker voice coil, make connecting portion present the circular contour identical with this voice coil loudspeaker voice coil.
According to front taking off feature, in a preferred embodiment, this long disciform trunk, the surface of its central part is set as depression arcuation or protruding arcuation or tabular.
According to front taking off feature, in a preferred embodiment, the outstanding limit of this vibrating diaphragm, the forward and backward both sides on its long limit are parallel, and left and right two ends are symmetrical circular arc, and the forward and backward both sides of the central part of this trunk and left and right two ends, the shape that coordinates this outstanding limit, is set as the long ellipse body corresponding with it.
By on take off technical characterictic, thin type horn structure of the present utility model, because the central part of trunk is a long ellipse, therefore relatively strengthened the rigidity of ellipse trunk, avoid in prior art, because of central part, adopt and just roundly vibrating diaphragm when action produced cut apart motion, the disappearance that causes intermediate frequency tonequality to be performed poor with distortion.And just round magnetic returns member by the space increase at horn single body rear, during the design of collocation loudspeaker sound chamber, can increase the resonant space at loudspeaker rear, to promote tonequality and volume.Moreover due to magnetic, to return the consumption of member little, solves existing use ellipse magnetic and return member, the problem points that causes cost to increase, and adopt just round voice coil loudspeaker voice coil structure, has and makes conveniently, can promote the effect of producing yield and efficiency.
The beneficial effects of the utility model are, it has the rigidity of strengthening ellipse trunk, to reduce the motion of cutting apart that footpath, the long edge of vibrating diaphragm makes progress, make intermediate frequency tonequality show good and are difficult for the effect of distortion; It has increases the space at horn single body rear, to increase the resonant space at loudspeaker rear, can reach the effect that promotes tonequality and volume; The consumption that its magnetic returns member reduces, and has the effect that the material cost of making reduces relatively; It adopts just round voice coil loudspeaker voice coil structure, has making convenient, promotes the effect of producing yield and efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Figure 1A is existing a kind of round horn structure schematic diagram.
Figure 1B is existing a kind of ellipse horn structure schematic diagram.
Fig. 1 C is existing another kind of ellipse horn structure schematic diagram.
Fig. 2 is the three-dimensional exploded view of the utility model preferred embodiment.
Fig. 3 is the three-dimensional combination figure of the utility model preferred embodiment.
Fig. 4 is trunk and the voice coil loudspeaker voice coil structural representation of the utility model preferred embodiment.
Fig. 5 is that the major axis of the utility model preferred embodiment is to cutaway view.
Fig. 6 is the short axial cutaway view of the utility model preferred embodiment.
Fig. 7 is the short axial cutaway view of another possible embodiments of the utility model trunk.
Fig. 8 is the reference diagram that the utility model is used in sound chamber.
Fig. 9 is the test comparison chart of the utility model and existing a kind of ellipse loudspeaker.
Number in the figure explanation:
10 bracing frames
11 hollow out bodies
12 step surfaces
13 terminal boards
20 magnetic return member
21 magnetic conduction heel pieces
22 magnet
23 magnetic conductive boards
24 annular gaps
30 voice coil loudspeaker voice coils
31 rising woods
40 vibrating diaphragms
41 outstanding limits
411 long limits
412 circular arcs
42 trunks
421 central parts
422 outer parts
423 flanges
43 depression arcuations
44 protruding arcuations
45 connecting portions
50 vibration-damper structures
60 thin type horn monomer structures
Embodiment
First, refer to shown in Fig. 2 to Fig. 9, a preferred embodiment of the utility model thin type horn monomer structure 60 includes: a bracing frame 10, be elongated body, and centre has a hollow out body 11, and another bracing frame 10 bottom sides can be provided with a terminal board 13; One magnetic returns member 20, be located in this hollow out body 11, this magnetic returns member 20 can comprise that a magnetic conduction heel piece 21, a magnet 22 and a magnetic conductive board 23 form, but is not limited to this, and between this magnetic conduction heel piece 21 and this magnet 22, there is an annular gap 24, for a voice coil loudspeaker voice coil 30, be set in this magnetic and return in member 20; One vibrating diaphragm 40, is located at the rising wood 31 of this voice coil loudspeaker voice coil 30, and its outer peripheral edges are fixed on this ellipse step surface 12, to form the basic comprising of a horn single body.But the front structure of taking off belongs to prior art (Prior Art), non-patent object of the present utility model, holds and does not repeat.
Principal character of the present utility model is: this hollow out body 11 and this magnetic return member 20 and is all round with voice coil loudspeaker voice coil 30; And this vibrating diaphragm 40 is consisted of the outstanding limit 41 of an oval ring-type and a long disciform trunk 42, and this trunk 42 has a central part 421 and is located at its outer part 422 around with ring, the glutinous inner ring surface root edge that is located at this outstanding limit 41 of this outer part 422, and central part 421 is with respect to outer part 422, define the long ellipse body of a rigidity strengthening region, and the length L on the long limit of this central part 421, must be greater than the predetermined distance of diameter (D) of this voice coil loudspeaker voice coil 30; Whereby, with this long disciform trunk 42, the vibration-damper structure 50 of 30 combinations of this round voice coil loudspeaker voice coil of arranging in pairs or groups, the rigidity that can promote this vibrating diaphragm 40, to reduce the motion of cutting apart that footpath, the long edge of vibrating diaphragm 40 makes progress.
According to front taking off feature, for effectively defining the long ellipse body of a rigidity strengthening region, improve ellipse loudspeaker in prior art and cut apart the problem points of motion, so the length on the long limit of this central part 421 (L), must be greater than the predetermined distance of diameter (D) of this voice coil loudspeaker voice coil 30; In a preferred embodiment, the length on the long limit of this central part 421 (L), at least be greater than 1.5 times of this voice coil diameter (D) for better, in order to do making to reduce vibrating diaphragm 40, cut apart the effect of motion and reach best, and with the thin type horn monomer structure 60 that this was completed, its overall height (thickness can be controlled in 10mm), meets the demand that existing consumption electronic products design completely.
As shown in Figure 4, in a preferred embodiment, the outer part 422 of the minor face of this long disciform trunk 42, diameter (D) with respect to this voice coil loudspeaker voice coil 30, it is the flange 423 that forward and backward bilateral symmetry outwards forms reservation shape, to form the connecting portion 45 of rising wood 31 combinations for this voice coil loudspeaker voice coil 30, and most preferred embodiment, that this flange 423 is set as to the circular arc corresponding with this voice coil loudspeaker voice coil 30, make its formed connecting portion 45, present the circular contour identical with this voice coil loudspeaker voice coil 30, but not as limit, so this voice coil loudspeaker voice coil 30 can more fit tightly this vibrating diaphragm 40.In making, voice coil loudspeaker voice coil 30 is glutinous mutually with outer part 422 or the flange 423 of the minor face of trunk 42, and the position that the central part 421 of trunk 42 cannot bond to, reliably mends the mode of glue or the mode of interpolation magnetic liquid is binded, and it is upper no problem therefore to implement.
Hold, this long disciform trunk 42, the upper surface of its central part 421 can be tabular, or is set as shown in Figures 5 and 6 depression arcuation 43, or is set as shown in Figure 7 protruding arcuation 44.Yet no matter be to be set as protruding arcuation 44 or depression arcuation 43, all contribute to increase the rigidity of vibrating diaphragm 40.In a preferred embodiment, trunk 42 central parts 421 are that identical material is one-body molded with outer part 422; But can be also that unlike material forms, the two sees through colloid and binds.In addition the outstanding limit 41 of this vibrating diaphragm 40 is generally unlike material with trunk 42 and forms, and the two binds through colloid again, makes the two outer part that is bonding on trunk 42 422.
In a preferred embodiment, the outstanding limit 41 of this vibrating diaphragm 40, the forward and backward both sides on its long limit 411 are parallel, and left and right two ends are symmetrical circular arc 412, and the forward and backward both sides of the central part 421 of this trunk 42 and left and right two ends, the shape that coordinates this outstanding limit 41, is set as the long ellipse body corresponding with it.
By on take off technological means, the utlity model has following effect need illustrate again:
One. because the central part 421 of trunk 42 is a long ellipse, therefore relatively increase the rigidity of having strengthened trunk 42, solve in prior art, because of central part, adopt just round generation while making vibrating diaphragm action and cut apart motion, the disappearance that causes intermediate frequency tonequality to be performed poor with distortion.Fig. 9 is the existing ellipse loudspeaker 90 and measured data of the present utility model and comparison chart of Fig. 1 C: wherein dotted line is the measured drawing of ellipse loudspeaker 90, clearly, at 2KHz, start to fall down fast, make approximately to have between 2KHz～3KHz the volume drop of 10dB, 3KHz～5KHz also has the distortion up to 10% left and right, and this intermediate frequency performance that represents these loudspeaker is weaker.As for solid line, be measured drawing of the present utility model, comparative result can be known demonstration, and it does not produce obvious drop, and this intermediate frequency performance that represents the utility model loudspeaker is better.Moreover by relatively showing in drawing, existing ellipse loudspeaker 90, the distortion between its 3～5KHz is the highest by approximately 10%, but the utility model is lower than 2%, therefore the utility model can improve the problem points of prior art really.
Two. because magnetic returns member 20 for just round, therefore as shown in Figure 8, allow the space at horn single body rear increase, during the design of collocation loudspeaker sound chamber (V), can increase the resonant space (S) at loudspeaker rear, can promote tonequality and volume.In addition the utility model, by another effect of above taking off feature and being derived, can be controlled at the overall height of horn single body below 10mm, is convenient to the space application of electronic product.
Three. moreover the consumption that returns member 20 due to magnetic is little, so the utility model also solves existing use ellipse magnetic and returns member, the problem points that causes cost to increase.
Four. further, owing to adopting just round voice coil loudspeaker voice coil 30 structures, if so manufacture craft ellipse voice coil loudspeaker voice coil is complicated, produce yield and efficiency all better.
For knowing, analyze and explanation the utility model and the structure of existing loudspeaker and the otherness of usefulness, hereby list is relatively as rear:
The usefulness comparison sheet of the utility model and prior art
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
In sum, the utility model is in structural design, use practicality and cost benefit, meet industry development completely required, and the structure disclosing is also to have unprecedented innovative structure, there is novelty, creativeness, practicality, the regulation that meets relevant new patent important document, therefore mention application in accordance with the law.
Claims (9)
1. a thin type horn structure, the horn single body that espespecially a kind of full-height can be below 10mm, comprising:
One bracing frame, is elongated body, and centre has a hollow out body, forms an ellipse step surface on periphery;
One magnetic returns member, is located in this hollow out body;
One voice coil loudspeaker voice coil, is set in this magnetic and returns in member;
One vibrating diaphragm, is located at the upper limb face of this voice coil loudspeaker voice coil, and its outer peripheral edges are fixed on this ellipse step surface, to form the basic comprising of loudspeaker; It is characterized in that:
This hollow out body and this magnetic return member and voice coil loudspeaker voice coil is all round; And
This vibrating diaphragm is consisted of outstanding limit and the disciform trunk of an oval ring-type, and this trunk has a central part and is located at its outer part around with ring, the glutinous inner ring surface root edge that is located at this outstanding limit of this outer part, this central part defines the long ellipse body of a rigidity strengthening region with respect to outer part, and the length on the long limit of this central part, must be greater than the predetermined distance of diameter one of this voice coil loudspeaker voice coil;
Whereby, with this long disciform trunk, the vibration-damper structure of this just round voice coil loudspeaker voice coil institute combination of arranging in pairs or groups, the rigidity that can promote this vibrating diaphragm, to reduce the motion of cutting apart that footpath, the long edge of vibrating diaphragm makes progress.
2. thin type horn structure according to claim 1, it is characterized in that, the outer part of the disciform trunk minor face of described length, with respect to the diameter of this voice coil loudspeaker voice coil, forward and backward both sides outwards form the flange of reservation shape, to form the connecting portion of a rising wood combination for this voice coil loudspeaker voice coil.
3. thin type horn structure according to claim 2, is characterized in that, described flange is set as the circular arc corresponding with this voice coil loudspeaker voice coil, makes this connecting portion present the circular contour identical with this voice coil loudspeaker voice coil.
4. thin type horn structure according to claim 1, is characterized in that, the disciform trunk of described length, and the length of its central part, is at least greater than 1.5 times of this voice coil diameter.
5. thin type horn structure according to claim 1, is characterized in that, the disciform trunk of described length, and the upper surface of its central part is set as depression arcuation.
6. thin type horn structure according to claim 1, is characterized in that, the disciform trunk of described length, and the upper surface of its central part is set as protruding arcuation.
7. thin type horn structure according to claim 1, is characterized in that, the disciform trunk of described length, and the upper surface of its central part is set as tabular.
8. thin type horn structure according to claim 1, it is characterized in that, the outstanding limit of described vibrating diaphragm, the forward and backward both sides on its long limit are parallel, and left and right two ends are symmetrical circular arc, and the forward and backward both sides of the central part of this trunk and left and right two ends, coordinate the shape on this outstanding limit, is set as the long ellipse body corresponding with it.
9. thin type horn structure according to claim 1, it is characterized in that, described magnetic returns member and comprises at least one magnetic conduction heel piece, at least one magnet and at least one magnetic conductive board, and has an annular gap between this magnetic conduction heel piece and this magnet, makes this voice coil loudspeaker voice coil be positioned at this annular gap.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102213367 | 2013-07-15 | ||
| TW102213367U TWM467273U (en) | 2013-07-15 | 2013-07-15 | Thin type speaker structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203492192U true CN203492192U (en) | 2014-03-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320516194.1U Expired - Lifetime CN203492192U (en) | 2013-07-15 | 2013-08-22 | Thin horn structure |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203492192U (en) |
| TW (1) | TWM467273U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104301845A (en) * | 2013-07-15 | 2015-01-21 | 富祐鸿科技股份有限公司 | Thin horn structure |
| CN108307275A (en) * | 2016-12-02 | 2018-07-20 | 宁波升亚电子有限公司 | High pitch loudspeaker and its manufacturing method and audio reproducting method |
| WO2020119239A1 (en) * | 2018-12-12 | 2020-06-18 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103856874B (en) * | 2014-03-05 | 2018-09-18 | 歌尔股份有限公司 | Speaker vibration system |
| TWI812007B (en) * | 2022-02-14 | 2023-08-11 | 金大仁 | Planar speakers with improved midrange |
-
2013
- 2013-07-15 TW TW102213367U patent/TWM467273U/en unknown
- 2013-08-22 CN CN201320516194.1U patent/CN203492192U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104301845A (en) * | 2013-07-15 | 2015-01-21 | 富祐鸿科技股份有限公司 | Thin horn structure |
| CN104301845B (en) * | 2013-07-15 | 2018-05-18 | 东莞顺合丰电业有限公司 | Thin horn structure |
| CN108307275A (en) * | 2016-12-02 | 2018-07-20 | 宁波升亚电子有限公司 | High pitch loudspeaker and its manufacturing method and audio reproducting method |
| CN108307275B (en) * | 2016-12-02 | 2024-01-05 | 宁波升亚电子有限公司 | Tweeter, method of manufacturing the same, and method of reproducing sound effects |
| WO2020119239A1 (en) * | 2018-12-12 | 2020-06-18 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM467273U (en) | 2013-12-01 |
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Effective date of registration: 20170721 Address after: Guangdong province Dongguan city Dalang town Dajingtou Industrial Zone second road five Shunxing No. 12 Patentee after: Dongguan Shun Shun Feng Electric Co., Ltd. Address before: No. 350, Yingying Road, turtle mountain, Taoyuan County, Taiwan, China Patentee before: Fortune Grand Technology Inc. |
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