CN103152664A - Telephone receiver with improved structure - Google Patents
Telephone receiver with improved structure Download PDFInfo
- Publication number
- CN103152664A CN103152664A CN2013100993221A CN201310099322A CN103152664A CN 103152664 A CN103152664 A CN 103152664A CN 2013100993221 A CN2013100993221 A CN 2013100993221A CN 201310099322 A CN201310099322 A CN 201310099322A CN 103152664 A CN103152664 A CN 103152664A
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- Prior art keywords
- vibrating diaphragm
- shielding shell
- electromagnetic shielding
- cavity
- armature
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000005452 bending Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 1
- 230000006870 function Effects 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000002463 transducing effect Effects 0.000 description 2
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The invention discloses a telephone receiver with an improved structure. The telephone receiver comprises an electromagnetic shielding shell, a vibrating diaphragm assembly and an electromagnetic conversion device, wherein the electromagnetic conversion device comprises an armature, a coil and permanent magnets; the armature comprises a main body and side wings; the main body is a long strip shaped board with a head part and a tail part; the side wings are symmetrically arranged at the two sides of the head part and bent downwards; the tail part is bent downwards; the bent main body is a U-shaped component; the coil is sleeved on the bent part of the U-shaped component and fixedly connected with the side wings; and the permanent magnets are symmetrically arranged at the upper side and the lower side of the tail part and are fixedly arranged at the inner side of the head part and the inner side of a bottom plate respectively. According to the telephone receiver with the improved structure disclosed by the invention, the process that an iron core is extensively adopted as a magnetic loop by a magnetic conversion mechanism in the existing telephone receiver is avoided; the improved armature and the shell body are combined to form an enclosed magnetic loop; and the production cost is reduced while the magnetic conductivity of the armature is sufficiently utilized.
Description
Technical field
The present invention relates to a kind of sound-producing device, specifically, relate to a kind of structure improved receiver that has.
Background technology
Receiver is a kind of electro-acoustic element that audio electrical signal is converted to voice signal under the voiceless sound leak condition, is widely used in communication terminal product, to realize audio playback, is mainly used in mobile phone, earphone and hearing aid field.Along with improving constantly of living standard, people to the mobile phone, earphone and the hearing aids that use more and more to light, thinning development, particularly in earphone and hearing aid field, with the crowd often acceptant more microminiaturized product come convenient oneself life.
Magnetic force switching mechanism is the vitals in receiver, assembled by a plurality of components and parts, in order to reduce the volume of magnetic force switching mechanism, the components and parts of assembling magnetic force switching mechanism must carry out the microminiaturization improvement, but the microminiaturized raising that will inevitably bring machining accuracy and difficulty of processing; Particularly the iron core unit in receiver, due to the tower structure that must have sealing, can bring the raising of difficulty of processing after microminiaturization, and machining accuracy also is difficult for assurance, and the thing followed is the significantly raising of production cost.
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 structure improved receiver that has, the armature shape of magnetic force switching mechanism is improved, substitute the magnetic conduction function of annular core, reduced production cost.
For achieving the above object, technical scheme of the present invention is as follows: a kind of have a structure improved receiver, comprise electromagnetic shielding shell, vibrating diaphragm assembly and electromagnetic switching device, described electromagnetic switching device and vibrating diaphragm assembly all are arranged in cavity on described electromagnetic shielding shell, the described electromagnetic switching device described vibrating diaphragm assembly that is in transmission connection; Described electromagnetic switching device comprises armature, coil and permanent magnet, described armature comprises main body and flank, described main body is the strip sheet material that is provided with head and afterbody, described flank is symmetricly set in the both sides of described head and bending downwards, the end of described flank is fixedly connected with the base plate of described electromagnetic shielding shell, and described flank, head and base plate form the cavity of sealing; Described tail down bending is inserted in described cavity and partly stretches out in described cavity along axis direction; Described main body after bending is a U-shaped member, and described coil is sheathed on the afterbody of described U-shaped member and is fixedly connected with described permanent magnet; Described permanent magnet is symmetricly set in the both sides up and down of described afterbody and is individually fixed in the inboard of described head and base plate.
Preferably, described electromagnetic shielding shell is the magnetically soft alloy material.
Preferably, described main body and flank are formed in one or are split type.
Preferably, the part that described afterbody stretches out described cavity is the vibration section, and described vibration section is provided with conductive bar, described conductive bar and the welding of described vibration section or bonding or riveted joint.
Preferably, described vibrating diaphragm assembly comprises vibrating diaphragm support and vibrating diaphragm, and an end of described vibrating diaphragm is fixedly connected on described vibrating diaphragm support, and the other end and described conductive bar are in transmission connection; Be provided with step surface in the cavity of described electromagnetic shielding shell, described vibrating diaphragm support fixedly is bonded on described step surface.
Preferably, described vibrating diaphragm assembly also comprises the prestressing force film, described prestressing force film fixing tight on described vibrating diaphragm support and with described step surface air-tightness bonding; Described prestressing force film is divided into ante-chamber and back cavity with described electromagnetic shielding shell air-tightness, and described electromagnetic switching device is arranged in described back cavity.
Preferably, also be provided with the sounding mouth on described electromagnetic shielding shell, described sounding mouth is communicated with described ante-chamber.
Preferably, also be provided with on described electromagnetic shielding shell for the pore that strengthens low frequency output, described pore is communicated with described back cavity.
Preferably, described electromagnetic shielding shell also is provided with upper cover, and described upper cover and described electromagnetic shielding shell are slidably connected or clamping.
Adopt the beneficial effect of technical solution of the present invention to be: the armature shape of magnetic force switching mechanism in receiver is improved, form tower structure after a part of bending with armature, as vibration transducing position, form the magnetism guiding access of sealing with the bottom parts of electromagnetic shielding shell after another part bending.Armature after improvement has the function that forms magnetism guiding access and magnetic energy is converted into vibration output simultaneously, substituted the function of the iron core in magnetic force switching mechanism fully, alleviated the weight of receiver, reduced the operation of magnetic force switching mechanism assembling, reduced production costs.
Description of drawings
In order to be illustrated more clearly in the technical scheme in embodiment of the present invention technology, the below will do to introduce simply to the accompanying drawing of required use in the embodiment technical description, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of partial structurtes schematic diagram with structure improved receiver of the present invention;
Fig. 2 is a kind of longitudinal section with structure improved receiver of the present invention;
Fig. 3 is a kind of cross-sectional view with structure improved receiver of the present invention;
Fig. 4 is a kind of structural representation with armature of structure improved receiver of the present invention.
The represented corresponding component title of numeral in figure:
1, electromagnetic shielding shell 2, armature 21, head 22, flank 23, afterbody 231, vibration section 24, bend 3, permanent magnet 4, sounding mouth 5, vibrating diaphragm support 6, upper cover 7, vibrating diaphragm 8, coil 9, pore 10, conductive bar.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment 1
As shown in Fig. 1-4.A kind of have a structure improved receiver, comprises electromagnetic shielding shell 1, vibrating diaphragm assembly and electromagnetic switching device, and wherein electromagnetic switching device and vibrating diaphragm assembly all are arranged in cavity on electromagnetic shielding shell 1; The electromagnetic switching device vibrating diaphragm assembly that is in transmission connection.
Electromagnetic switching device comprises armature 2, coil 8 and permanent magnet 3, and armature 2 comprises main body and flank 22; Main body is the strip sheet material that is provided with head 21 and afterbody 23, flank 22 is symmetricly set in the both sides of head 21 and bending downwards, the end of flank 22 is fixedly connected with the base plate of electromagnetic shielding shell 1, and the flank 22 of armature, head 21 form with the base plate of electromagnetic shielding shell 1 cavity that seals; Afterbody 23 bending downwards of armature 2 is inserted in cavity and partly stretches out in cavity along axis direction; Main body after bending is a U-shaped member, and coil is sheathed on the afterbody 23 of U-shaped member and is fixedly connected with permanent magnet 3; Permanent magnet 3 is symmetricly set in the both sides up and down of afterbody 23 and is individually fixed in the inboard of the base plate of head 21 and electromagnetic shielding shell 1.
For head and flank section with armature are grouped into good magnetic conductive loop, electromagnetic shielding shell adopts the magnetically soft alloy material.Also be provided with step surface in the cavity of electromagnetic shielding shell.
The part that the afterbody 23 of flank stretches out cavity is vibration section 231, and vibration section 231 is provided with conductive bar 10, and wherein conductive bar 10 is welded and fixed with vibration section 231 or bonds fixing or adopt riveted joint fixing, can select according to actual needs, does not limit herein.
The vibrating diaphragm assembly comprises vibrating diaphragm support 5 and vibrating diaphragm 7, vibrating diaphragm support 5 fixedly is bonded on step surface, and an end of vibrating diaphragm 7 is fixedly connected on vibrating diaphragm support 5, and the other end of the other end and conductive bar 10 is in transmission connection, be used for the transmission of the vibration section 231 of armature is converted to the vibration of vibrating diaphragm 7
Also be provided with the prestressing force film on the vibrating diaphragm assembly, the prestressing force film is fixing tightly does bubble-tight bonding on the vibrating diaphragm support and with step surface.The prestressing force film is divided into ante-chamber and back cavity with the electromagnetic shielding shell air-tightness, and wherein electromagnetic switching device is arranged at rear cavity segment.
Also be provided with sounding mouth 4 on the front cavity segment of electromagnetic shielding shell, be used for transmission of sound signals is gone out.Wherein sounding mouth 4 can be the sound hole that directly is arranged on electromagnetic shielding shell 1, also can be the sounding pipe that is connected with electromagnetic shielding shell 1 body, specifically can arrange according to actual needs, does not limit herein.
Also be provided with on the rear cavity segment of electromagnetic shielding shell 1 for the pore 9 that strengthens low frequency output, the setting position of this pore 9 and indefinite, shape and the number of pore arrange according to actual needs, do not limit herein.
Electromagnetic shielding shell 1 also is provided with upper cover 6, and upper cover 6 is slidably connected or clamping with electromagnetic shielding shell 1, is convenient to setting and the installation of vibrating diaphragm assembly and electromagnetic switching device.
Embodiment 2
All the other are identical with embodiment 1, and difference is, the main body of armature and flank are split-type structural, and armature main body and flank respectively partly is fixedly connected as an integral body.
Adopt the beneficial effect of technical solution of the present invention to be: the armature shape of magnetic force switching mechanism in receiver is improved, form tower structure after a part of bending with armature, as vibration transducing position, form the magnetism guiding access of sealing with the bottom parts of electromagnetic shielding shell after another part bending.Armature after improvement has the function that forms magnetism guiding access and magnetic energy is converted into vibration output simultaneously, substituted the function of the iron core in magnetic force switching mechanism fully, alleviated the weight of receiver, reduced the operation of magnetic force switching mechanism assembling, reduced production costs.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. one kind has structure improved receiver, comprise electromagnetic shielding shell, vibrating diaphragm assembly and electromagnetic switching device, described electromagnetic switching device and vibrating diaphragm assembly all are arranged in cavity on described electromagnetic shielding shell, the described electromagnetic switching device described vibrating diaphragm assembly that is in transmission connection; It is characterized in that, described electromagnetic switching device comprises armature, coil and permanent magnet, described armature comprises main body and flank, described main body is the strip sheet material that is provided with head and afterbody, described flank is symmetricly set in the both sides of described head and bending downwards, the end of described flank is fixedly connected with the base plate of described electromagnetic shielding shell, and described flank, head and base plate form the cavity of sealing; Described tail down bending is inserted in described cavity and partly stretches out in described cavity along axis direction; Described main body after bending is a U-shaped member, and described coil is sheathed on the afterbody of described U-shaped member and is fixedly connected with described permanent magnet; Described permanent magnet is symmetricly set in the both sides up and down of described afterbody and is individually fixed in the inboard of described head and base plate.
2. receiver according to claim 1, is characterized in that, described electromagnetic shielding shell is the magnetically soft alloy material.
3. receiver according to claim 1, is characterized in that, described main body and flank are formed in one or are split type.
4. receiver according to claim 1, is characterized in that, the part that described afterbody stretches out described cavity is the vibration section, and described vibration section is provided with conductive bar, described conductive bar and the welding of described vibration section or bonding or riveted joint.
5. receiver according to claim 1, is characterized in that, described vibrating diaphragm assembly comprises vibrating diaphragm support and vibrating diaphragm, and an end of described vibrating diaphragm is fixedly connected on described vibrating diaphragm support, and the other end and described conductive bar are in transmission connection; Be provided with step surface in the cavity of described electromagnetic shielding shell, described vibrating diaphragm support fixedly is bonded on described step surface.
6. receiver according to claim 5, is characterized in that, described vibrating diaphragm assembly also comprises the prestressing force film, described prestressing force film fixing tight on described vibrating diaphragm support and with described step surface air-tightness bonding; Described prestressing force film is divided into ante-chamber and back cavity with described electromagnetic shielding shell air-tightness, and described electromagnetic switching device is arranged in described back cavity.
7. receiver according to claim 1, is characterized in that, also is provided with the sounding mouth on described electromagnetic shielding shell, and described sounding mouth is communicated with described ante-chamber.
8. receiver according to claim 1, is characterized in that, also is provided with on described electromagnetic shielding shell for the pore that strengthens low frequency output, and described pore is communicated with described back cavity.
9. receiver according to claim 1, is characterized in that, described electromagnetic shielding shell also is provided with upper cover, and described upper cover and described electromagnetic shielding shell are slidably connected or clamping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310099322.1A CN103152664B (en) | 2013-03-26 | 2013-03-26 | One has structure improved receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310099322.1A CN103152664B (en) | 2013-03-26 | 2013-03-26 | One has structure improved receiver |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103152664A true CN103152664A (en) | 2013-06-12 |
| CN103152664B CN103152664B (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310099322.1A Active CN103152664B (en) | 2013-03-26 | 2013-03-26 | One has structure improved receiver |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747374A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver with an improved casing |
| CN103747379A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver with an improved guide rod structure |
| CN103747382A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | Electromagnetic shielding casing |
| CN103747384A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver with an improved driving structure |
| CN103747383A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | Novel receiver |
| CN103747380A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | An improved receiver |
| CN104581581A (en) * | 2014-12-31 | 2015-04-29 | 苏州恒听电子有限公司 | Novel improved small-size telephone receiver |
| CN104581578A (en) * | 2014-12-31 | 2015-04-29 | 苏州恒听电子有限公司 | Telephone receiver with improved structure |
| CN104754439A (en) * | 2015-04-21 | 2015-07-01 | 苏州亿欧得电子有限公司 | Low-frequency good-function receiver |
| CN106028242A (en) * | 2016-07-15 | 2016-10-12 | 深圳倍声声学技术有限公司 | Moving iron telephone receiver |
| CN106060736A (en) * | 2016-06-30 | 2016-10-26 | 苏州三色峰电子有限公司 | Balance armature receiver |
| CN108347681A (en) * | 2018-03-20 | 2018-07-31 | 深圳倍声声学技术有限公司 | A kind of armature structure and dynamic iron unit |
| WO2018188026A1 (en) * | 2017-04-13 | 2018-10-18 | 深圳倍声声学技术有限公司 | Armature, moving iron receiver, earphone and hearing aid |
| CN108989956A (en) * | 2017-05-31 | 2018-12-11 | 苏州三色峰电子有限公司 | A kind of receiver |
| CN111384834A (en) * | 2018-12-29 | 2020-07-07 | 歌尔股份有限公司 | Carrier type exciter device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1248496A2 (en) * | 2001-04-04 | 2002-10-09 | Microtronic Nederland B.V. | Aucoustic receiver having improved mechanical suspension |
| US20020186110A1 (en) * | 2001-06-12 | 2002-12-12 | Tibbetts Industries, Inc. | Magnetic transducers of improved resistance to arbitrary mechanical shock |
| CN101455092A (en) * | 2006-05-30 | 2009-06-10 | 诺尔斯电子有限公司 | Personal listening device |
| CN102364964A (en) * | 2010-06-17 | 2012-02-29 | 索尼公司 | Acoustic conversion device and acoustic conversion device assembly method |
| JP2012129838A (en) * | 2010-12-16 | 2012-07-05 | Jvc Kenwood Corp | Electroacoustic transducer |
| CN203206429U (en) * | 2013-03-26 | 2013-09-18 | 张秀梅 | Telephone receiver with improved structure |
-
2013
- 2013-03-26 CN CN201310099322.1A patent/CN103152664B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1248496A2 (en) * | 2001-04-04 | 2002-10-09 | Microtronic Nederland B.V. | Aucoustic receiver having improved mechanical suspension |
| US20020186110A1 (en) * | 2001-06-12 | 2002-12-12 | Tibbetts Industries, Inc. | Magnetic transducers of improved resistance to arbitrary mechanical shock |
| CN101455092A (en) * | 2006-05-30 | 2009-06-10 | 诺尔斯电子有限公司 | Personal listening device |
| CN102364964A (en) * | 2010-06-17 | 2012-02-29 | 索尼公司 | Acoustic conversion device and acoustic conversion device assembly method |
| JP2012129838A (en) * | 2010-12-16 | 2012-07-05 | Jvc Kenwood Corp | Electroacoustic transducer |
| CN203206429U (en) * | 2013-03-26 | 2013-09-18 | 张秀梅 | Telephone receiver with improved structure |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103747382B (en) * | 2013-12-27 | 2017-07-11 | 苏州逸巛声学科技有限公司 | A kind of electromagnetic shielding shell |
| CN103747379A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver with an improved guide rod structure |
| CN103747382A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | Electromagnetic shielding casing |
| CN103747384A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver with an improved driving structure |
| CN103747383A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | Novel receiver |
| CN103747380A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | An improved receiver |
| CN103747374A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | A receiver with an improved casing |
| CN104581581A (en) * | 2014-12-31 | 2015-04-29 | 苏州恒听电子有限公司 | Novel improved small-size telephone receiver |
| CN104581578A (en) * | 2014-12-31 | 2015-04-29 | 苏州恒听电子有限公司 | Telephone receiver with improved structure |
| CN104754439A (en) * | 2015-04-21 | 2015-07-01 | 苏州亿欧得电子有限公司 | Low-frequency good-function receiver |
| CN106060736A (en) * | 2016-06-30 | 2016-10-26 | 苏州三色峰电子有限公司 | Balance armature receiver |
| CN106060736B (en) * | 2016-06-30 | 2021-03-23 | 苏州三色峰电子有限公司 | Balanced armature type telephone receiver |
| CN106028242A (en) * | 2016-07-15 | 2016-10-12 | 深圳倍声声学技术有限公司 | Moving iron telephone receiver |
| CN106028242B (en) * | 2016-07-15 | 2019-11-12 | 深圳倍声声学技术有限公司 | A kind of moving-iron receiver |
| WO2018188026A1 (en) * | 2017-04-13 | 2018-10-18 | 深圳倍声声学技术有限公司 | Armature, moving iron receiver, earphone and hearing aid |
| CN108989956A (en) * | 2017-05-31 | 2018-12-11 | 苏州三色峰电子有限公司 | A kind of receiver |
| CN108989956B (en) * | 2017-05-31 | 2020-09-25 | 苏州三色峰电子有限公司 | Telephone receiver |
| CN108347681A (en) * | 2018-03-20 | 2018-07-31 | 深圳倍声声学技术有限公司 | A kind of armature structure and dynamic iron unit |
| CN111384834A (en) * | 2018-12-29 | 2020-07-07 | 歌尔股份有限公司 | Carrier type exciter device |
Also Published As
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|---|---|
| CN103152664B (en) | 2015-09-02 |
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Effective date of registration: 20170112 Address after: The front road 215000 in Jiangsu province Suzhou city high tech Development Zone No. 299 Building 1 Patentee after: Suzhou Puliansi Electronic Technology Co., Ltd. Address before: Suzhou City, Jiangsu province 215000 Yuen Suzhou high tech Industrial Development Zone, Road No. 209 Patentee before: Suzhou Hengting Electronic Co., Ltd. |
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Effective date of registration: 20170307 Address after: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Patentee 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 Patentee before: Suzhou Puliansi Electronic Technology Co., Ltd. |
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Address after: 368 Youyi Road, Babai friendship Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee after: Suzhou Yiyi Electronic Technology Co., Ltd Address before: Song Ling Zhen Wujiang District of Suzhou City, Jiangsu province 215299 Suzhou River Road No. 18 Patentee before: Suzhou Yilan Acoustic Technology Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: 215299 No. 168, Ludang Road, Jiangling street, Wujiang District, Suzhou City, Jiangsu Province (north of the original Lingyi Road) Patentee after: Suzhou Yiyi Technology Co.,Ltd. Address before: No. 368, Youyi Road, Bache Youyi Industrial Zone, Songling Town, Wujiang District, Suzhou City, Jiangsu Province Patentee before: Suzhou Yiyi Electronic Technology Co., Ltd |
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| CP03 | Change of name, title or address |