CN104581580A - Telephone receiver provided with improved structure - Google Patents
Telephone receiver provided with improved structure Download PDFInfo
- Publication number
- CN104581580A CN104581580A CN201410849325.7A CN201410849325A CN104581580A CN 104581580 A CN104581580 A CN 104581580A CN 201410849325 A CN201410849325 A CN 201410849325A CN 104581580 A CN104581580 A CN 104581580A
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- vibrating diaphragm
- receiver
- improved structure
- armature
- main body
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Abstract
The invention discloses a telephone receiver provided with an improved structure. The telephone receiver comprises a shielding shell, a moving iron unit, a conduction rod, an armature and a vibrating film, wherein the moving iron unit, the conduction rod, the armature and the vibrating film are arranged in the shielding shell. The two ends of the conduction rod are connected with the armature and the vibrating film respectively, the moving iron unit drives the armature to vibrate up and down and accordingly the conduction rod is driven to drive the vibrating film to vibrate up and down; the shielding shell comprises a shell cover and a shell body in the vibration direction of the vibrating film, and the edge of the front side and the edge of the back side of the vibrating film are connected with the shell cover and the outer wall of the shell body respectively. The telephone receiver provided with the improved structure is simple in manufacturing technology, reduces production cost, and is large in sound loudness.
Description
Technical field
The present invention relates to the receiver field of earphone, specifically, relate to a kind of receiver with improved structure.
Background technology
Receiver, also known as receiver, is a kind of electro-acoustic element audio electrical signal being converted to voice signal under voiceless sound leak condition, is widely used in the communication terminal devices such as mobile phone, landline telephone, earphone, realizes audio frequency, as the playback of voice and music etc.
Traditional receiver, its vibrating diaphragm is all generally be connected on the inwall of housing, namely projection or boss are set at the inwall of housing, again the two ends of vibrating diaphragm and surface that is protruding or boss are tightly connected mutually, this connected mode, the surrounding of vibrating diaphragm and protruding or convex edge of table is needed to carry out sealing process, to ensure the ante-chamber of receiver and the isolated of back cavity, but because coupling part is positioned at the inwall of housing, gap is too little, point glue is more difficult, be difficult to the sealing ensureing junction, and in the process of sealing, glue is leaked in easy generation, excessive glue phenomenon, therefore the isolated not thorough of chamber, front and back can be caused, thus cause Lou sound phenomenon, meanwhile, when glue overflows, easily cause it to be adhered on vibrating diaphragm, affect the up-down vibration of vibrating diaphragm, in addition, because the joint face of vibrating diaphragm is positioned at inner walls, when receiver volume is identical, vibrating diaphragm then correspondingly reduces, and the sound intensity of receiver diminishes.
Summary of the invention
For solving the problems of the technologies described above, the object of the present invention is to provide a kind of production technology simple, reducing production cost, the receiver of what sound intensity was large have improved structure.
For achieving the above object, technical scheme of the present invention is as follows: the receiver with improved structure, comprise screening can and be arranged at dynamic iron unit, conductive bar, armature and the vibrating diaphragm in described screening can, the two ends of described conductive bar connect described armature and vibrating diaphragm respectively, armature up-down vibration described in described dynamic iron unit drives thus drive conductive bar drive described vibrating diaphragm up-down vibration; Described screening can comprises cap and housing, and along the direction of vibration of described vibrating diaphragm, the double-edged edge of described vibrating diaphragm connects the outer wall of described cap and housing respectively.
Adopt technique scheme, the beneficial effect of invention technical scheme is: during work, and dynamic iron unit produces actuating force, thus drives armature up-down vibration, and then drives conductive bar and vibrating diaphragm up-down vibration, thus sounds; Because screening can is divided into cap and housing, when producing receiver, vibrating diaphragm is connected with the inwall of screening can and changes into outer wall and connect, and be convenient to carrying out for glue work, some glue process also not easily produces the phenomenon of the glue that overflows, leakage glue; The area of vibrating diaphragm is larger, thus improves the Oscillation Amplitude of vibrating diaphragm, and then optimizes the tonequality of receiver.
On the basis of technique scheme, invention also can do following improvement:
As preferred scheme, described screening can is divided into ante-chamber and back cavity by described vibrating diaphragm, the corresponding described cap of described ante-chamber, the corresponding described housing of described back cavity, and the volume of described ante-chamber is less than the volume of described back cavity.
Adopt above-mentioned preferred scheme, the volume due to ante-chamber is less than the volume of back cavity, and make tonequality frequency response curve better, the sound of receiver is larger.
As preferred scheme, described vibrating diaphragm comprises vibrating diaphragm main body, connecting portion, vibrating diaphragm support and prestressing force film, and described vibrating diaphragm main body comprises obverse and reverse; Described front or reverse side contact with described prestressing force is film adhered; Described vibrating diaphragm main body also offers cavity; Described prestressing force film is tightened and is fixed on described vibrating diaphragm support; One end of described vibrating diaphragm main body is connected on described vibrating diaphragm support by described connecting portion.
Adopt above-mentioned preferred scheme, vibrating diaphragm offers cavity, low-frequency compensation can be produced with the high-frequency resonance of iron core, thus the phenomenon that dynamic iron unit sound is colder is originally improved.
As preferred scheme, the edge of described vibrating diaphragm support is connected with described cap and housing respectively.
Adopt above-mentioned preferred scheme, Joining Technology is simple, and is convenient to install, and enhances productivity, is convenient to automated production.
As preferred scheme, the cavity cross-sectional area on described obverse and reverse is respectively 20% ~ 40% of described obverse and reverse area.
Adopt above-mentioned preferred scheme, the phenomenon that dynamic iron unit sound is colder can be improved better.
As preferred scheme, described vibrating diaphragm main body, connecting portion and vibrating diaphragm support are formed in one.
Adopt above-mentioned preferred scheme, integrated structure, not only production efficiency is high, and the bonding strength of vibrating diaphragm main body, connecting portion and vibrating diaphragm support is good, extends the useful life of whole receiver.
As preferred scheme, the thickness of described connecting portion is less than the thickness of described vibrating diaphragm main body.
Adopt above-mentioned preferred scheme, the vibration frequency of vibrating diaphragm main body can be improved, thus optimize frequency response curve, and then improve the acoustical quality of receiver.
As preferred scheme, described vibrating diaphragm main body, connecting portion and vibrating diaphragm support are stainless steel or copper material or iron-nickel alloy material.
Adopt above-mentioned preferred scheme, vibrating diaphragm main body, connecting portion and vibrating diaphragm support not easily get rusty, and are applicable to, in the high environment for use of humidity, improve the adaptive faculty of its environment.
As preferred scheme, described dynamic iron unit comprises iron core, magnet and coil, and described iron core and coil are sheathed on described armature successively, and described magnet is arranged at two inwalls relative with described armature on described iron core.
Adopt above-mentioned preferred scheme, by ac current signal by coil effect, produce electromagnetic induction effect, and then generation alternating magnetic field, alternating magnetic field is magnetizing coil, iron core and armature then, principle up-down vibration in magnet that armature repels each other according to the same sex (pole), the opposite sex (pole) is attracting, thus drive conductive bar to drive vibrating diaphragm up-down vibration, receiver is finally made to sound, the setting of this structure, can better for armature provides upper and lower actuating force.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, be briefly described to the accompanying drawing used required in the description of embodiment technology below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation with the receiver of improved structure of the present invention;
Fig. 2 is a kind of structural representation with vibrating diaphragm in the receiver of improved structure of the present invention.
Wherein, 1, screening can, 11, cap, 12, housing, 13, ante-chamber, 14, back cavity 14,15, outlet sound mouth, 2, conductive bar, 3, armature, 4, vibrating diaphragm, 41, vibrating diaphragm main body, 42, connecting portion, 43, vibrating diaphragm support, 44, prestressing force film, 45, cavity, 46, connector, 5, iron core, 6, magnet, 7, coil.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In order to reach object of the present invention, as shown in Figure 1, have in some execution modes of the receiver of improved structure in the present invention, it comprises screening can 1 and is arranged at the dynamic iron unit of in screening can 1, conductive bar 2, armature 3 and vibrating diaphragm 4, the two ends of conductive bar 2 connect armature 3 and vibrating diaphragm 4 respectively, move iron unit drives armature 3 up-down vibration thus drive conductive bar 2 to drive vibrating diaphragm 4 up-down vibration; Screening can 1 comprises cap 11 and housing 12, and along the direction of vibration of vibrating diaphragm 4, the double-edged edge of vibrating diaphragm 4 connects the outer wall of cap 11 and housing 12 respectively.Wherein, the outlet sound mouth 15 of receiver is arranged at the side of cap.
Adopt technique scheme, the beneficial effect of invention technical scheme is: during work, and dynamic iron unit produces actuating force, thus drives armature 3 up-down vibration, and then drives conductive bar 2 and vibrating diaphragm 4 up-down vibration, thus sounds; Because screening can is divided into cap 11 and housing 12, when producing receiver, vibrating diaphragm 4 is connected with the inwall of screening can 1 and changes into outer wall and connect, and be convenient to carrying out for glue work, some glue process also not easily produces the phenomenon of the glue that overflows, leakage glue; The area of vibrating diaphragm is larger, thus improves the Oscillation Amplitude of vibrating diaphragm, and then optimizes the tonequality of receiver.
On the basis of technique scheme, invention also can do following improvement:
In order to optimize implementation result of the present invention further, as shown in Figure 1, have in the other execution mode of the receiver of improved structure in the present invention, screening can 1 is divided into ante-chamber 13 and back cavity 14 by vibrating diaphragm 4, the corresponding cap 11 of ante-chamber 13, back cavity 14 corresponding housing 12, and the volume of ante-chamber 13 is less than the volume of back cavity 14.
Adopt above-mentioned preferred scheme, the volume due to ante-chamber 13 is less than the volume of back cavity 14, and make tonequality frequency response curve better, the sound of receiver is larger.
In order to optimize implementation result of the present invention further, as shown in Figure 2, have in the other execution mode of the receiver of improved structure in the present invention, vibrating diaphragm 4 comprises vibrating diaphragm main body 41, connecting portion 42, vibrating diaphragm support 43 and prestressing force film 44, and vibrating diaphragm main body 41 comprises obverse and reverse; Front or reverse side are fitted with prestressing force film 44 and are contacted; Vibrating diaphragm main body 41 also offers cavity 45; Prestressing force film 44 is tightened and is fixed on vibrating diaphragm support 43; One end of vibrating diaphragm main body 41 is connected on vibrating diaphragm support by connecting portion.Wherein, relative with connecting portion 42 other end is provided with the connector 46 for being connected with conductive bar 2.The shape of the cross section of cavity 45 can be arranged according to actual needs, as circle, triangle, rectangle or other abnormity.
Adopt above-mentioned preferred scheme, vibrating diaphragm 4 offers cavity 45, low-frequency compensation can be produced with the high-frequency resonance of iron core, thus the phenomenon that dynamic iron unit sound is colder is originally improved.
In order to optimize implementation result of the present invention further, as shown in Figure 1, have in the other execution mode of the receiver of improved structure in the present invention, the edge of vibrating diaphragm support 43 is connected with cap 11 and housing 12 respectively.
Adopt above-mentioned preferred scheme, Joining Technology is simple, and is convenient to install, and enhances productivity, is convenient to automated production.
In order to optimize implementation result of the present invention further, as shown in Figure 2, have in the other execution mode of the receiver of improved structure in the present invention, cavity 45 cross-sectional area on obverse and reverse is respectively 20% ~ 40% of obverse and reverse area.
Adopt above-mentioned preferred scheme, the phenomenon that dynamic iron unit sound is colder can be improved better.
In order to optimize implementation result of the present invention further, as shown in Figure 2, have in the other execution mode of the receiver of improved structure in the present invention, vibrating diaphragm main body 41, connecting portion 42 and vibrating diaphragm support 43 are formed in one.
Adopt above-mentioned preferred scheme, integrated structure, not only production efficiency is high, and the bonding strength of vibrating diaphragm main body 41, connecting portion 42 and vibrating diaphragm support 43 is good, extends the useful life of whole receiver.
In order to optimize implementation result of the present invention further, as shown in Figure 2, have in the other execution mode of the receiver of improved structure in the present invention, the thickness of connecting portion 42 is less than the thickness of vibrating diaphragm main body 41.
Adopt above-mentioned preferred scheme, the vibration frequency of vibrating diaphragm main body 41 can be improved, thus optimize frequency response curve, and then improve the acoustical quality of receiver.
In order to optimize implementation result of the present invention further, as shown in Figure 2, have in the other execution mode of the receiver of improved structure in the present invention, vibrating diaphragm main body 41, connecting portion 42 and vibrating diaphragm support 43 is stainless steel or copper material or iron-nickel alloy material.
Adopt above-mentioned preferred scheme, vibrating diaphragm main body 41, connecting portion 42 and vibrating diaphragm support 43 not easily get rusty, and are applicable to, in the high environment for use of humidity, improve the adaptive faculty of its environment.
In order to optimize implementation result of the present invention further, have in the other execution mode of the receiver of improved structure in the present invention, dynamic iron unit comprises iron core 5, magnet 6 and coil 7, iron core 5 and coil 7 are sheathed on armature 3 successively, and magnet 6 is arranged at two inwalls relative with armature 3 on iron core 5.
Adopt above-mentioned preferred scheme, acted on by coil 7 by ac current signal, produce electromagnetic induction effect, and then generation alternating magnetic field, alternating magnetic field is magnetizing coil 7, iron core 5 and armature 3 then, principle up-down vibration in magnet 6 that armature 3 repels each other according to the same sex (pole), the opposite sex (pole) is attracting, thus drive conductive bar 2 to drive vibrating diaphragm 4 up-down vibration, receiver is finally made to sound, the setting of this structure, can better for armature 3 provides upper and lower actuating force.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. there is the receiver of improved structure, it is characterized in that, comprise screening can and be arranged at dynamic iron unit, conductive bar, armature and the vibrating diaphragm in described screening can, the two ends of described conductive bar connect described armature and vibrating diaphragm respectively, armature up-down vibration described in described dynamic iron unit drives thus drive conductive bar drive described vibrating diaphragm up-down vibration; Described screening can comprises cap and housing, and along the direction of vibration of described vibrating diaphragm, the double-edged edge of described vibrating diaphragm connects the outer wall of described cap and housing respectively.
2. the receiver with improved structure according to claim 1, it is characterized in that, described screening can is divided into ante-chamber and back cavity by described vibrating diaphragm, the corresponding described cap of described ante-chamber, the corresponding described housing of described back cavity, and the volume of described ante-chamber is less than the volume of described back cavity.
3. the receiver with improved structure according to claim 2, is characterized in that, described vibrating diaphragm comprises vibrating diaphragm main body, connecting portion, vibrating diaphragm support and prestressing force film, and described vibrating diaphragm main body comprises obverse and reverse; Described front or reverse side contact with described prestressing force is film adhered; Described vibrating diaphragm main body also offers cavity; Described prestressing force film is tightened and is fixed on described vibrating diaphragm support; One end of described vibrating diaphragm main body is connected on described vibrating diaphragm support by described connecting portion.
4. the receiver with improved structure according to claim 3, is characterized in that, the edge of described vibrating diaphragm support is connected with described cap and housing respectively.
5. the receiver with improved structure according to claim 4, is characterized in that, the cavity cross-sectional area on described obverse and reverse is respectively 20% ~ 40% of described obverse and reverse area.
6. the receiver with improved structure according to claim 5, is characterized in that, described vibrating diaphragm main body, connecting portion and vibrating diaphragm support are formed in one.
7. the receiver with improved structure according to claim 6, is characterized in that, the thickness of described connecting portion is less than the thickness of described vibrating diaphragm main body.
8. the receiver with improved structure according to claim 7, is characterized in that, described vibrating diaphragm main body, connecting portion and vibrating diaphragm support are stainless steel or copper material or iron-nickel alloy material.
9. the receiver with improved structure according to claim 7, it is characterized in that, described dynamic iron unit comprises iron core, magnet and coil, and described iron core and coil are sheathed on described armature successively, and described magnet is arranged at two inwalls relative with described armature on described iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410849325.7A CN104581580A (en) | 2014-12-31 | 2014-12-31 | Telephone receiver provided with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410849325.7A CN104581580A (en) | 2014-12-31 | 2014-12-31 | Telephone receiver provided with improved structure |
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| Publication Number | Publication Date |
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| CN104581580A true CN104581580A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410849325.7A Pending CN104581580A (en) | 2014-12-31 | 2014-12-31 | Telephone receiver provided with improved structure |
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| CN (1) | CN104581580A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657600A (en) * | 2016-03-30 | 2016-06-08 | 苏州倍声声学技术有限公司 | Hybrid integrated receiver |
| CN106255019A (en) * | 2016-08-24 | 2016-12-21 | 苏州倍声声学技术有限公司 | Water proof type moving-iron receiver |
| CN106303866A (en) * | 2016-08-18 | 2017-01-04 | 深圳倍声声学技术有限公司 | A kind of moving-iron receiver |
| CN106331964A (en) * | 2016-10-09 | 2017-01-11 | 苏州倍声声学技术有限公司 | Drop-resisting moving-iron telephone receiver |
| CN107135449A (en) * | 2017-05-27 | 2017-09-05 | 苏州亿欧得电子有限公司 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
| CN107404678A (en) * | 2017-07-26 | 2017-11-28 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly technology |
| CN107809715A (en) * | 2017-09-28 | 2018-03-16 | 深圳倍声声学技术有限公司 | A kind of receiver |
| CN107809704A (en) * | 2017-09-28 | 2018-03-16 | 深圳倍声声学技术有限公司 | Vibrating diaphragm component and receiver |
| CN108337587A (en) * | 2017-01-20 | 2018-07-27 | 苏州三色峰电子有限公司 | A kind of receiver and preparation method thereof suitable for Automated assembly |
| CN110870331A (en) * | 2017-07-14 | 2020-03-06 | 美商楼氏电子有限公司 | Acoustic receiver and manufacturing method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314771A (en) * | 2000-03-16 | 2001-09-26 | 星精密株式会社 | Electro-acoustic converter |
| US20110311088A1 (en) * | 2010-06-17 | 2011-12-22 | Sony Corporation | Acoustic conversion device and acoustic conversion device assembly method |
| CN203027469U (en) * | 2012-12-25 | 2013-06-26 | 苏州恒听电子有限公司 | Vibrating diaphragm for strengthening output of intermediate frequency band |
| CN203027468U (en) * | 2012-12-25 | 2013-06-26 | 苏州恒听电子有限公司 | Vibrating diaphragm having low-frequency compensation function |
| CN103428617A (en) * | 2012-05-18 | 2013-12-04 | 周巍 | Vibrating wing device for moving-iron type loudspeaker or receiver |
-
2014
- 2014-12-31 CN CN201410849325.7A patent/CN104581580A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314771A (en) * | 2000-03-16 | 2001-09-26 | 星精密株式会社 | Electro-acoustic converter |
| US20110311088A1 (en) * | 2010-06-17 | 2011-12-22 | Sony Corporation | Acoustic conversion device and acoustic conversion device assembly method |
| CN103428617A (en) * | 2012-05-18 | 2013-12-04 | 周巍 | Vibrating wing device for moving-iron type loudspeaker or receiver |
| CN203027469U (en) * | 2012-12-25 | 2013-06-26 | 苏州恒听电子有限公司 | Vibrating diaphragm for strengthening output of intermediate frequency band |
| CN203027468U (en) * | 2012-12-25 | 2013-06-26 | 苏州恒听电子有限公司 | Vibrating diaphragm having low-frequency compensation function |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657600A (en) * | 2016-03-30 | 2016-06-08 | 苏州倍声声学技术有限公司 | Hybrid integrated receiver |
| CN106303866A (en) * | 2016-08-18 | 2017-01-04 | 深圳倍声声学技术有限公司 | A kind of moving-iron receiver |
| CN106255019A (en) * | 2016-08-24 | 2016-12-21 | 苏州倍声声学技术有限公司 | Water proof type moving-iron receiver |
| CN106331964A (en) * | 2016-10-09 | 2017-01-11 | 苏州倍声声学技术有限公司 | Drop-resisting moving-iron telephone receiver |
| CN108337587A (en) * | 2017-01-20 | 2018-07-27 | 苏州三色峰电子有限公司 | A kind of receiver and preparation method thereof suitable for Automated assembly |
| CN107135449A (en) * | 2017-05-27 | 2017-09-05 | 苏州亿欧得电子有限公司 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
| CN110870331A (en) * | 2017-07-14 | 2020-03-06 | 美商楼氏电子有限公司 | Acoustic receiver and manufacturing method thereof |
| CN110870331B (en) * | 2017-07-14 | 2022-02-25 | 美商楼氏电子有限公司 | A headphone assembly, a method of making the same and a subassembly |
| CN107404678A (en) * | 2017-07-26 | 2017-11-28 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly technology |
| CN107809715A (en) * | 2017-09-28 | 2018-03-16 | 深圳倍声声学技术有限公司 | A kind of receiver |
| WO2019062859A1 (en) * | 2017-09-28 | 2019-04-04 | 深圳倍声声学技术有限公司 | Receiver |
| CN107809715B (en) * | 2017-09-28 | 2020-03-31 | 深圳倍声声学技术有限公司 | Telephone receiver |
| CN107809704B (en) * | 2017-09-28 | 2020-08-04 | 深圳倍声声学技术有限公司 | Vibrating diaphragm assembly and receiver |
| CN107809704A (en) * | 2017-09-28 | 2018-03-16 | 深圳倍声声学技术有限公司 | Vibrating diaphragm component and receiver |
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Effective date of registration: 20170119 Address after: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Applicant after: Suzhou Puliansi Electronic Technology Co., Ltd. Address before: 215011 Zhujianglu Road high tech Zone, Jiangsu, No. 855, building, No. 7 Applicant before: Suzhou Hengting Electronic Co., Ltd. |
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Effective date of registration: 20170301 Address after: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Applicant after: Suzhou Yi Acoustic Technology Co. Ltd.. Address before: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Applicant before: Suzhou Puliansi Electronic Technology Co., Ltd. |
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