CN102547536A - Runway-shaped double-cone speaker - Google Patents
Runway-shaped double-cone speaker Download PDFInfo
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- CN102547536A CN102547536A CN2012100060075A CN201210006007A CN102547536A CN 102547536 A CN102547536 A CN 102547536A CN 2012100060075 A CN2012100060075 A CN 2012100060075A CN 201210006007 A CN201210006007 A CN 201210006007A CN 102547536 A CN102547536 A CN 102547536A
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- basin
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- keynote
- centre bore
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Abstract
The invention discloses a runway-shaped double-cone speaker, which comprises a cone frame, a magnetic circuit structure, a main cone and an auxiliary cone. The cone frame is provided with a main cone type cavity and an auxiliary cone type cavity, wherein the upper edge of the main cone type cavity is provided with a main edge, the bottom of the main cone type cavity is provided with a main platform, the center of the main platform is depressed downwards to form the auxiliary cone type cavity, the bottom of the auxiliary cone type cavity is provided with an auxiliary platform, and the center of the auxiliary platform is provided with a central hole; the magnetic circuit structure is tightly combined at the bottom of the cone frame, a voice coil in the magnetic circuit structure extends upwards from the central hole of the auxiliary platform into the cone frame, and the top part of the voice coil is provided with a dustproof cap; the outer edge of the main cone is supported on the main edge of the cone frame, and the inner edge of the central hole of the main cone is tightly combined with the outer wall of the voice coil; and the auxiliary cone is arranged just below the main cone, the outer edge of the auxiliary cone is supported on the main platform of the cone frame, and the inner edge of the central hole of the auxiliary cone is tightly combined with the outer wall of the voice coil. The speaker has the advantage that the structure is delicate, compact and reasonable, the low-frequency response properties can be improved effectively, the nonlinear distortion can be reduced, and the sound quality and reliability of the speaker can be improved.
Description
Technical field
The invention belongs to the electroacoustic techniques field, relate to a kind of loud speaker, specifically a kind of track shape double-sound cone loudspeaker with double-tone basin structure.
Background technology
In the prior art; The loud speaker that is applied to the application on the plate video equipment generally is to adopt infundibulate sound basin to cooperate the structure of locating branch slice, is provided with ring at the edge of infundibulate sound basin, offers centre bore at the center of sound basin; The locating branch slice that offers centre bore equally is arranged on the below of sound basin; Voice coil loudspeaker voice coil penetrates the centre bore of sound basin and locating branch slice, and the center bore inner wall of the outer wall of voice coil loudspeaker voice coil and sound basin and locating branch slice is combined closely, thereby forms the vibrational system of loud speaker.Because conventional positioning is propped up the material that sheet generally adopts cotton, NOMEX (Fanglun 1313) or cotton and NOMEX blending; It is wavy that section is; When the big voltage of input, the loud speaker of this kind vibrational structure exists Oscillation Amplitude little, and nonlinear distortion is big; Defectives such as recovery capability is poor, and low frequency tonequality is bad.
Summary of the invention
The objective of the invention is to overcome the deficiency that exists in the prior art; Provide that a kind of structure is ingenious, the track shape double-sound cone loudspeaker of compact and reasonable, this loud speaker adopts and a kind ofly substitutes conventional positioning with parts sound basin similar and prop up sheet, is installed on the specially designed basin frame; Form double-tone basin structure; Can improve the LF-response characteristic effectively, reduce nonlinear distortion, improve the tonequality Performance And Reliability of loud speaker.
According to technical scheme provided by the invention: the track shape double-sound cone loudspeaker, comprise basin frame with basin shape chamber and the magnetic structure that has voice coil loudspeaker voice coil, it is characterized in that: said loud speaker also includes keynote basin and secondary sound basin; Said basin has set up a main basin shape chamber and a secondary basin shape chamber; Main basin shape chamber and the identical and coaxial setting of secondary basin shape cavity configuration; Main basin shape chamber upper edge is along being provided with outwards horizontally extending main edge, and bottom, main basin shape chamber is main platform, and the center of main platform is recessed to form described secondary basin shape chamber downwards; The bottom in secondary basin shape chamber is an auxiliary platform, and the auxiliary platform center is provided with centre bore; Said magnetic structure is combined closely in the auxiliary platform bottom of basin frame, and the voice coil loudspeaker voice coil in the magnetic structure extends upwardly in the engagement frame from the centre bore of auxiliary platform, and the voice coil loudspeaker voice coil top is provided with dust cap; Said keynote basin center is provided with centre bore, and the outer of keynote basin is supported on the main edge of basin frame, and in the centre bore of keynote basin combine closely with the voice coil loudspeaker voice coil outer wall in the edge; Said secondary sound basin is arranged under the keynote basin, and secondary sound basin center is provided with centre bore, and the outer of secondary sound basin is supported on the main platform of basin frame, and in the centre bore of secondary sound basin combine closely with the voice coil loudspeaker voice coil outer wall in the edge.
As further improvement of the present invention; Said magnetic structure comprises train wheel bridge, toroidal magnet, T iron and voice coil loudspeaker voice coil; T iron and train wheel bridge are processed by the magnetic conductive metal material, and T iron center raises up and is formed with stem stem, and the center of train wheel bridge and toroidal magnet is equipped with centre bore; The top upper surface of train wheel bridge and the auxiliary platform of basin frame bottom lower surface are combined closely; Toroidal magnet is arranged between train wheel bridge and the T iron; Toroidal magnet upper surface and train wheel bridge lower surface are combined closely; Toroidal magnet lower surface and T iron upper surface are combined closely, and the stem stem at T iron center upwards runs through the centre bore of toroidal magnet and train wheel bridge; Said voice coil loudspeaker voice coil bottom is positioned at the centre bore of toroidal magnet and train wheel bridge and covers the stem stem upper end; Leave certain interval between voice-coil inwall and the stem stem outer wall, all leave certain interval between the centre bore of the centre bore of voice coil loudspeaker voice coil outer wall and basin frame bottom auxiliary platform, the centre bore of train wheel bridge and toroidal magnet.
As further improvement of the present invention; Said keynote basin comprises keynote basin body; Keynote basin body is an infundibulate, and the centre bore of keynote basin is opened in the center of keynote basin body, and the outer of keynote basin body stretches out; Forming a circle cross section is the keynote basin ring of arch on the circular arc, and the outer of keynote basin ring is supported on the main edge of basin frame; Said main basin shape top of chamber edge is provided with the upright edge of the master who upwards vertically extends, and main upright edge is blocked in the outer of said keynote basin ring, outside keynote basin ring, is provided with main flanging, and main flanging is upright along last with the master that keynote basin ring banding is fixed on the basin frame; Said secondary sound basin comprises secondary sound basin body; Secondary sound basin body is for falling infundibulate, and the centre bore of secondary sound basin is opened in the center of secondary sound basin body, and the outer of secondary sound basin body stretches out; Forming a circle cross section is the secondary sound basin ring of arch on the circular arc; The outer of secondary sound basin ring is supported on the main platform of basin frame, and said secondary basin shape top of chamber edge is provided with the upright edge of the pair of upwards vertically extending, and secondary upright edge is blocked in the outer of said secondary sound basin ring; Outside secondary sound basin ring, be provided with secondary flanging, secondary flanging is fixed on basin frame pair with secondary sound basin ring banding and stands along last.
As further improvement of the present invention, the shape of centre bore is track shape on the main basin shape chamber of said basin frame, main upright edge, secondary basin shape chamber, secondary upright edge and the auxiliary platform; The centre bore of the centre bore of said keynote basin, secondary sound basin and the shape of voice coil loudspeaker voice coil are track shape.
As further improvement of the present invention, the shape of the centre bore of the stem stem cross section of said T iron, the centre bore of toroidal magnet and train wheel bridge is track shape.
As further improvement of the present invention, the shape of said keynote basin ring, secondary sound basin ring is track shape.
As further improvement of the present invention, said basin frame adopts plastic material high temperature resistant, easy-formation to process.Preferably, said basin frame adopts HIPS high impact polystyrene material to process.
As further improvement of the present invention, said keynote basin ring, secondary sound basin ring adopt the microcellular foam material of thin thickness, good springiness to process.Preferably, said keynote basin ring, secondary sound basin ring adopt the thermoplastic polyurethane elastic material to process.
The present invention compared with prior art; Advantage is: ingenious, the compact and reasonable of structure of the present invention; Novelly substitute conventional positioning with secondary sound basin structure sound basin similar and prop up sheet through being provided with, the outer of keynote basin ring and the master of basin frame are upright along combining closely, and combine closely in the upright edge of the outer of secondary sound basin ring and the pair of basin frame; Can increase the surface area of keynote basin ring and secondary sound basin ring effectively; Improve the LF-response characteristic effectively, reduce nonlinear distortion, improve the tonequality Performance And Reliability of loud speaker.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiment of the present invention.
Fig. 2 is the stereochemical structure cutaway view of basin frame among Fig. 1.
Description of reference numerals: 1-basin frame, 1a-main edge, the upright edge of 1b-master, 1c-main platform, the upright edge of 1d-pair, 1e-auxiliary platform, 2-train wheel bridge, 3-toroidal magnet, 4-T iron, 4a-stem stem, 5-keynote basin, 5a-keynote basin body, 5b-keynote basin ring, 6-main flanging, 7-secondary sound basin, 7a-secondary sound basin body, 7b-secondary sound basin ring, 8-secondary flanging, 9-voice coil loudspeaker voice coil, 10-dust cap.
Embodiment
Below in conjunction with concrete accompanying drawing and embodiment the present invention is described further.
As shown in the figure: the track shape double-sound cone loudspeaker among the embodiment mainly is made up of parts such as basin frame 1, train wheel bridge 2, toroidal magnet 3, T iron 4, keynote basin 5, main flanging 6, secondary sound basin 7, secondary flanging 8, voice coil loudspeaker voice coil 9 and dust caps 10.
Like Fig. 1, shown in Figure 2; Said basin frame 1 is provided with a main basin shape chamber and a secondary basin shape chamber, main basin shape chamber and the identical and coaxial setting of secondary basin shape cavity configuration, and main basin shape chamber upper edge is along being provided with outwards horizontally extending main edge 1a; Bottom, main basin shape chamber is main platform 1c; The center of main platform 1c is recessed to form described secondary basin shape chamber downwards, and the bottom in secondary basin shape chamber is auxiliary platform 1e, and auxiliary platform 1e center is provided with centre bore; Voice coil loudspeaker voice coil 9 in the said magnetic structure extends upwardly in the engagement frame 1 from the centre bore of auxiliary platform 1e, is provided with dust cap 10 at voice coil loudspeaker voice coil 9 tops; Said keynote basin 5 centers are provided with centre bore, and the outer of keynote basin 5 is supported on the main edge 1a of basin frame 1, and in the centre bore of keynote basin 5 combine closely with voice coil loudspeaker voice coil 9 outer walls in the edge; Said secondary sound basin 7 is arranged under the keynote basin 5, and secondary sound basin 7 centers are provided with centre bore, and the outer of secondary sound basin 7 is supported on the main platform 1c of basin frame 1, and in the centre bore of secondary sound basin 7 combine closely with voice coil loudspeaker voice coil 9 outer walls in the edge.
As shown in Figure 1; The auxiliary platform 1e bottom that magnetic structure among the embodiment is combined closely at basin frame 1; Magnetic structure mainly is made up of train wheel bridge 2, toroidal magnet 3, T iron 4 and voice coil loudspeaker voice coil 9; T iron 4 is processed by the magnetic conductive metal material with train wheel bridge 2, and T iron 4 centers raise up and are formed with stem stem 4a, and the center of train wheel bridge 2 and toroidal magnet 3 is equipped with centre bore; The top upper surface of train wheel bridge 2 and the auxiliary platform 1e of basin frame 1 bottom lower surface are combined closely; Toroidal magnet 3 is arranged between train wheel bridge 2 and the T iron 4; Toroidal magnet 3 upper surfaces and train wheel bridge 2 lower surfaces are combined closely; Toroidal magnet 3 lower surfaces and T iron 4 upper surfaces are combined closely, and the stem stem 4a at T iron 4 centers upwards runs through the centre bore of toroidal magnet 3 and train wheel bridge 2; Said voice coil loudspeaker voice coil 9 bottoms are positioned at the centre bore of toroidal magnet 3 and train wheel bridge 2 and cover stem stem 4a upper end; Leave certain interval between voice coil loudspeaker voice coil 9 inwalls and the stem stem 4a outer wall, all leave certain interval between the centre bore of the centre bore of voice coil loudspeaker voice coil 9 outer walls and basin frame 1 bottom auxiliary platform 1e, the centre bore of train wheel bridge 2 and toroidal magnet 3.
As shown in Figure 1; Said keynote basin 5 mainly is made up of keynote basin body 5a and keynote basin ring 5b; Keynote basin body 5a is an infundibulate, and the centre bore of keynote basin 5 is opened in the center of keynote basin body 5a, and the outer of keynote basin body 5a stretches out; Forming a circle cross section is the keynote basin ring 5b of arch on the circular arc, and the outer of keynote basin ring 5b is supported on the main edge 1a of basin frame 1; It is upright along 1b that said main basin shape top of chamber edge is provided with the master who upwards vertically extends; Main upright thickness along 1b is less than the thickness of basin frame 1; The outer of said keynote basin ring 5b is blocked main upright along 1b; Outside keynote basin ring 5b, be provided with main flanging 6, main flanging 6 is upright along on the 1b with the master that keynote basin ring 5b banding is fixed on basin frame 1; Said secondary sound basin 7 mainly is made up of secondary sound basin body 7a and secondary sound basin ring 7b; Secondary sound basin body 7a is for falling infundibulate; The centre bore of secondary sound basin 7 is opened in the center of secondary sound basin body 7a, and the outer of secondary sound basin body 7a stretches out, and forming a circle cross section is the secondary sound basin ring 7b of arch on the circular arc; The outer of secondary sound basin ring 7b is supported on the main platform 1c of basin frame 1; It is upright along 1d that said secondary basin shape top of chamber edge is provided with the pair of upwards vertically extending, and secondary upright thickness along 1d is also less than the thickness of basin frame 1, and the outer of said secondary sound basin ring 7b is blocked secondary upright along 1d; Outside secondary sound basin ring 7b, be provided with secondary flanging 8, secondary flanging 8 is fixed on basin frame 1 secondary standing along on the 1d with secondary sound basin ring 7b banding.
Like Fig. 1, shown in Figure 2, the main basin shape chamber of said basin frame 1, main upright be track shape along 1b, secondary basin shape chamber, the secondary upright shape that goes up centre bore along 1d and auxiliary platform 1e.Correspondingly, the shape of the centre bore of the centre bore of said keynote basin 5, secondary sound basin 7 and voice coil loudspeaker voice coil 9 is track shape.The shape of the centre bore of the stem stem 4a cross section of said T iron 4, the centre bore of toroidal magnet 3 and train wheel bridge 2 is track shape.The shape of said keynote basin ring 5b, secondary sound basin ring 7b is track shape.
Among the present invention, said basin frame 1 preferred employing plastic material such as HIPS high impact polystyrene material high temperature resistant, easy-formation are processed.Said keynote basin ring 5b, secondary sound basin ring 7b preferably adopt the microcellular foam material of thin thickness, good springiness such as thermoplastic polyurethane elastic material to process.
Claims (10)
1. the track shape double-sound cone loudspeaker comprises basin frame (1) with basin shape chamber and the magnetic structure that has voice coil loudspeaker voice coil (9), and it is characterized in that: said loud speaker also includes keynote basin (5) and secondary sound basin (7); Said basin frame (1) is provided with a main basin shape chamber and a secondary basin shape chamber; Main basin shape chamber and the identical and coaxial setting of secondary basin shape cavity configuration; Main basin shape chamber upper edge is along being provided with outwards horizontally extending main edge (1a), and bottom, main basin shape chamber is main platform (1c), and the center of main platform (1c) is recessed to form described secondary basin shape chamber downwards; The bottom in secondary basin shape chamber is auxiliary platform (1e), and auxiliary platform (1e) center is provided with centre bore; Said magnetic structure is combined closely in the auxiliary platform of basin frame (1) (1e) bottom, and the voice coil loudspeaker voice coil in the magnetic structure (9) extends upwardly in the engagement frame (1) from the centre bore of auxiliary platform (1e), is provided with dust cap (10) at voice coil loudspeaker voice coil (9) top; Said keynote basin (5) center is provided with centre bore, and the outer of keynote basin (5) is supported on the main edge (1a) of basin frame (1), and in the centre bore of keynote basin (5) combine closely with voice coil loudspeaker voice coil (9) outer wall in the edge; Said secondary sound basin (7) is arranged under the keynote basin (5); Secondary sound basin (7) center is provided with centre bore; The outer of secondary sound basin (7) is supported on the main platform (1c) of basin frame (1), and in the centre bore of secondary sound basin (7) combine closely with voice coil loudspeaker voice coil (9) outer wall in the edge.
2. track shape double-sound cone loudspeaker as claimed in claim 1; It is characterized in that: said magnetic structure comprises train wheel bridge (2), toroidal magnet (3), T iron (4) and voice coil loudspeaker voice coil (9); T iron (4) and train wheel bridge (2) are processed by the magnetic conductive metal material; T iron (4) center raises up and is formed with stem stem (4a), and the center of train wheel bridge (2) and toroidal magnet (3) is equipped with centre bore; Auxiliary platform (1e) the bottom lower surface of the top upper surface of train wheel bridge (2) and basin frame (1) is combined closely; Toroidal magnet (3) is arranged between train wheel bridge (2) and the T iron (4); Toroidal magnet (3) upper surface and train wheel bridge (2) lower surface are combined closely; Toroidal magnet (3) lower surface and T iron (4) upper surface are combined closely, and the stem stem (4a) at T iron (4) center upwards runs through the centre bore of toroidal magnet (3) and train wheel bridge (2); Said voice coil loudspeaker voice coil (9) bottom is positioned at the centre bore of toroidal magnet (3) and train wheel bridge (2) and covers stem stem (4a) upper end; Leave certain interval between voice coil loudspeaker voice coil (9) inwall and stem stem (4a) outer wall, all leave certain interval between the centre bore of the centre bore of voice coil loudspeaker voice coil (9) outer wall and basin frame (1) bottom auxiliary platform (1e), the centre bore of train wheel bridge (2) and toroidal magnet (3).
3. track shape double-sound cone loudspeaker as claimed in claim 1; It is characterized in that: said keynote basin (5) comprises keynote basin body (5a); Keynote basin body (5a) is an infundibulate, and the centre bore of keynote basin (5) is opened in the center of keynote basin body (5a), and the outer of keynote basin body (5a) stretches out; Forming a circle cross section is the keynote basin ring (5b) of arch on the circular arc, and the outer of keynote basin ring (5b) is supported on the main edge (1a) of basin frame (1); It is upright along (1b) that said main basin shape top of chamber edge is provided with the master who upwards vertically extends; The outer of said keynote basin ring (5b) is blocked main upright along (1b); Outside keynote basin ring (5b), be provided with main flanging (6), main flanging (6) is upright along on (1b) with the master that keynote basin ring (5b) banding is fixed on basin frame (1); Said secondary sound basin (7) comprises secondary sound basin body (7a); Secondary sound basin body (7a) is for falling infundibulate; The centre bore of secondary sound basin (7) is opened in the center of secondary sound basin body (7a); The outer of secondary sound basin body (7a) stretches out, and forming a circle cross section is the secondary sound basin ring (7b) of arch on the circular arc, and the outer of secondary sound basin ring (7b) is supported on the main platform (1c) of basin frame (1); It is upright along (1d) that said secondary basin shape top of chamber edge is provided with the pair of upwards vertically extending; Secondary upright edge (1d) is blocked in the outer of said secondary sound basin ring (7b), outside secondary sound basin ring (7b), is provided with secondary flanging (8), and secondary flanging (8) is fixed on basin frame (1) pair with secondary sound basin ring (7b) banding and stands along on (1d).
4. track shape double-sound cone loudspeaker as claimed in claim 1 is characterized in that: the shape that the main basin shape chamber of said basin frame (1), the upright edge of master (1b), secondary basin shape chamber, secondary upright edge (1d) and auxiliary platform (1e) are gone up centre bore is track shape; The shape of the centre bore of the centre bore of said keynote basin (5), secondary sound basin (7) and voice coil loudspeaker voice coil (9) is track shape.
5. track shape double-sound cone loudspeaker as claimed in claim 2 is characterized in that: the shape of the centre bore of stem stem (4a) cross section of said T iron (4), the centre bore of toroidal magnet (3) and train wheel bridge (2) is track shape.
6. track shape double-sound cone loudspeaker as claimed in claim 3 is characterized in that: the shape of said keynote basin ring (5b), secondary sound basin ring (7b) is track shape.
7. track shape double-sound cone loudspeaker as claimed in claim 1 is characterized in that: said basin frame (1) adopts plastic material high temperature resistant, easy-formation to process.
8. track shape double-sound cone loudspeaker as claimed in claim 7 is characterized in that: said basin frame (1) adopts HIPS high impact polystyrene material to process.
9. track shape double-sound cone loudspeaker as claimed in claim 1 is characterized in that: said keynote basin ring (5b), secondary sound basin ring (7b) adopt the microcellular foam material of thin thickness, good springiness to process.
10. track shape double-sound cone loudspeaker as claimed in claim 9 is characterized in that: said keynote basin ring (5b), secondary sound basin ring (7b) adopt the thermoplastic polyurethane elastic material to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006007.5A CN102547536B (en) | 2012-01-10 | 2012-01-10 | Runway-shaped double-cone speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210006007.5A CN102547536B (en) | 2012-01-10 | 2012-01-10 | Runway-shaped double-cone speaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102547536A true CN102547536A (en) | 2012-07-04 |
| CN102547536B CN102547536B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210006007.5A Active CN102547536B (en) | 2012-01-10 | 2012-01-10 | Runway-shaped double-cone speaker |
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| Country | Link |
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| CN (1) | CN102547536B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497464A (en) * | 2014-12-24 | 2015-04-08 | 金发科技股份有限公司 | High-rigidity high-fluidity polystyrene composition and preparation method and application thereof |
| CN110636416A (en) * | 2019-10-12 | 2019-12-31 | 安克创新科技股份有限公司 | Vibrating diaphragm folding ring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1638530A (en) * | 2003-12-24 | 2005-07-13 | 日本先锋公司 | Speaker apparatus |
| US20080232634A1 (en) * | 2007-03-20 | 2008-09-25 | Park Joon-Ho | Speaker with sound generation part of large area |
| CN101902676A (en) * | 2010-08-31 | 2010-12-01 | 无锡杰夫电声有限公司 | Dual-sound basin thin speaker |
| JP2011114523A (en) * | 2009-11-26 | 2011-06-09 | Onkyo Sound & Vision Corp | Electrodynamic speaker |
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2012
- 2012-01-10 CN CN201210006007.5A patent/CN102547536B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1638530A (en) * | 2003-12-24 | 2005-07-13 | 日本先锋公司 | Speaker apparatus |
| US20080232634A1 (en) * | 2007-03-20 | 2008-09-25 | Park Joon-Ho | Speaker with sound generation part of large area |
| JP2011114523A (en) * | 2009-11-26 | 2011-06-09 | Onkyo Sound & Vision Corp | Electrodynamic speaker |
| CN101902676A (en) * | 2010-08-31 | 2010-12-01 | 无锡杰夫电声有限公司 | Dual-sound basin thin speaker |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104497464A (en) * | 2014-12-24 | 2015-04-08 | 金发科技股份有限公司 | High-rigidity high-fluidity polystyrene composition and preparation method and application thereof |
| CN104497464B (en) * | 2014-12-24 | 2017-11-17 | 成都金发科技新材料有限公司 | A kind of high rigidity high fluidity polyphenylacetylene combination and its preparation method and application |
| CN110636416A (en) * | 2019-10-12 | 2019-12-31 | 安克创新科技股份有限公司 | Vibrating diaphragm folding ring |
| CN110636416B (en) * | 2019-10-12 | 2023-10-31 | 安克创新科技股份有限公司 | Vibrating diaphragm ring |
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| Publication number | Publication date |
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| CN102547536B (en) | 2014-08-13 |
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Address after: 214192 Xishan, Jiangsu, Beizhen Tin Tin Tin Road, No. eight, No. 228 Patentee after: WUXI JIEFU ELECTROACOUSTIC CO., LTD. Address before: 214192 eight Wuxi, Beizhen, Xishan District, Jiangsu Patentee before: Jiefu Electroacoustic Co., Ltd., Wuxi |