CN203027430U - Ultrathin telephone receiver - Google Patents
Ultrathin telephone receiver Download PDFInfo
- Publication number
- CN203027430U CN203027430U CN 201220722851 CN201220722851U CN203027430U CN 203027430 U CN203027430 U CN 203027430U CN 201220722851 CN201220722851 CN 201220722851 CN 201220722851 U CN201220722851 U CN 201220722851U CN 203027430 U CN203027430 U CN 203027430U
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- upper casing
- ultrathin
- upper shell
- section
- vibrating diaphragm
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Abstract
The utility model discloses an ultrathin telephone receiver. A drive mechanism of the ultrathin telephone receiver comprises an armature part and a coil part, wherein the armature part is in an E shape and comprises a base part, two side wing parts and a middle part which are integrally formed, and the middle part comprises a root part which is positioned on the base part and extends forwards to form a vibrating diaphragm part; and the coil part is in clearance sleeving with the root part. A shell of the ultrathin telephone receiver comprises an upper shell and a lower shell, wherein the upper shell covers the top of the drive mechanism and comprises a cover plate and cover edges which are formed by extending downwards along the periphery of the cover plate, the inner wall of a section of cover plate which covers the top of the vibrating diaphragm is fixedly connected with a first magnet, and the upper shell is made from magnetically soft alloy; the lower shell covers the bottom of the drive mechanism and corresponds to the upper shell, a second magnet is fixedly connected with the inner wall of the lower shell and corresponds to the first magnet, and the lower shell is made from magnetically soft alloy; and a sound production hole is formed in the upper shell or the lower shell. The telephone receiver is improved through thinning the thickness of a conventional telephone receiver to the maximum extent and suitable for mobile phone structures such as narrow frames or almost 'frame-free' types.
Description
Technical field
The utility model relates to a kind of receiver, particularly a kind of ultrathin receiver.
Background technology
Receiver claims again 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 the communication terminal devices such as mobile phone, landline telephone, earphone, realizes audio frequency, as the output of voice and music etc.
And along with mobile phone telephony development with rapid changepl. never-ending changes and improvements, higher specification requirement has been proposed also the receiver that is used for mobile phone.Enter 21st century, particularly in recent years, mobile phone has entered into the epoch of smart mobile phone.It is all to complete by screen that all of smart mobile phone are controlled, and the operation of touch-control has also substituted the operation of traditional physical button, therefore, correspondingly also more and more higher to the requirement of screen.
Present cell phone manufacturer is in order to make the user can obtain the best experience of controlling, all begun with screen do increasing, maximum screen has surpassed 5 inches.But, when adding large-screen, for the volume of mobile phone can not do again excessive because like this user just can't hold go forward side by side line operate and conversation with one hand, can bring to user's use a lot of inconvenience.Therefore, each large cell phone manufacturer researches and develops mobile phone and produce towards narrow frame or close to the direction of " Rimless " with regard to beginning.
like this, just have higher requirement for the volume that originally was arranged at the receiver between frame and screen, and existing receiver is mainly by driving mechanism, the compositions such as shell, this driving mechanism has comprised again armature, iron core, coil, upper lower magnet, vibrating diaphragm, vibrating diaphragm support etc., this wherein, coil and iron core are arranged to be placed in and are formed one deck on armature, upper lower magnet is installed in iron core, after superposeing, another layer that this layer and vibrating diaphragm and vibrating diaphragm support form consisted of driving mechanism, and then shell is installed on the outside of this driving mechanism, the thickness that such structure is brought obviously can not be installed in this narrow frame or the mobile phone close to " Rimless ".
Therefore, in order to adapt to the development of mobile phone of new generation, need badly a kind of can be the thickness receiver of attenuate to greatest extent.
The utility model content
The purpose of this utility model is exactly for the problems referred to above, and a kind of thickness ultrathin receiver of attenuate to greatest extent is provided.
To achieve these goals, the utility model provides following technical scheme: ultrathin receiver, comprise housing, driving mechanism and circuit board, this driving mechanism comprises: armature portion, it is E shape, this armature portion comprises integrated base portion, two flank section and pars intermedia, and this pars intermedia comprises the root that is positioned on this base portion, and this root extends to form forward vibrating diaphragm section; Coil portion is sheathed on this root with gap; This housing comprises: upper shell, be covered on the top of above-mentioned driving mechanism, this upper shell comprises cover plate and the cover rim that extends to form along this cover plate surrounding downwards, is covered on the inwall of one section cover plate at above-mentioned vibrating diaphragm section top and is fixedly connected with one first magnet, and this upper shell is made by magnetically soft alloy; Lower house is covered on the bottom of above-mentioned driving mechanism with respect to above-mentioned upper shell, be fixedly connected with one second magnet with respect to above-mentioned the first magnet on the inwall of this lower house, and this lower house is made by magnetically soft alloy; Also offer a vocal hole on above-mentioned upper shell or lower house.
Further, the both side ends of above-mentioned coil portion is fixedly connected with above-mentioned two flank section respectively.
Further, above-mentioned upper shell is fixedly connected with flank section with above-mentioned base portion, and this base portion is fixedly connected with above-mentioned lower house again with flank section.
Alternatively, above-mentioned upper shell is fixedly connected with lower house, and the inboard surrounding of this lower house is provided with step, and above-mentioned base portion and flank section are fixedly connected on this step.
Further, above-mentioned upper shell comprises: the first upper casing, be covered on the top that above-mentioned vibrating diaphragm section and two flank section are positioned at the part on above-mentioned vibrating diaphragm section both sides, and above-mentioned the first magnet is fixedly connected on the inwall of above-mentioned the first upper casing; The second upper casing is covered on above-mentioned coil portion, above-mentioned two flank section and is positioned at the top of the part on this coil portion both sides and above-mentioned base portion and docks with above-mentioned the first upper casing, and this second upper casing can also be become by iron or copper.
Further, above-mentioned upper shell also comprises the 3rd upper casing, is arranged between above-mentioned the first upper casing and the second upper casing and docks with this first upper casing and the second upper casing respectively, and the 3rd upper casing can also be made of either aluminum or copper.
Further, above-mentioned ultrathin receiver also comprises a diaphragm, on the position that one end of this diaphragm is covered on above-mentioned the 3rd upper casing with the first upper casing docks, its other end is layed in forward above-mentioned vibrating diaphragm section and above-mentioned two flank section are positioned on the part on these vibrating diaphragm section both sides.
Again further, between above-mentioned root and vibrating diaphragm section, locational dual-side offers at least two grooves, and this groove is oppositely arranged.
Again further, above-mentioned armature portion is plate.
Again further, above-mentioned magnetically soft alloy is A3 steel, permalloy or soft iron.
Adopt the beneficial effect of above technical scheme to be:
1. the utility model has carried out being used for the improvement of reduced thickness to the structure of original receiver, is specially to be provided with to comprise and double as the armature of vibrating diaphragm and double as upper shell and lower house into iron core; This armature is set to E shape, it comprises integrated base portion, two flank section and pars intermedia, this pars intermedia comprises the root that is positioned on this base portion, this root extends to form forward vibrating diaphragm section, the vibrating diaphragm that replaces original independent setting with this vibrating diaphragm section, coil is sheathed on this root, has so just cancelled original and the vibrating diaphragm of driving mechanism stack setting and the part of vibrating diaphragm frame, makes thickness be reduced; This upper shell and lower house are made by magnetically soft alloy, upper shell comprises cover plate and the cover rim that extends to form along this cover plate surrounding downwards, be fixedly connected with one first magnet on the inwall of the one section cover plate that is covered in vibrating diaphragm section top, lower house is covered on the bottom of driving mechanism with respect to upper shell, be fixedly connected with the second magnet with respect to the first magnet on the inwall of this lower house, so just replace the combination of original iron core and magnet with the form of shell, made like this thickness be reduced further;
2. in further program of the utility model, upper shell is divided into two parts, i.e. the first upper casing and the second upper casing that docking arranges, and the first upper casing is arranged on the top of vibrating diaphragm section, and the first magnet is fixedly connected on the inwall of the first upper casing; The second upper casing is arranged on the top of coil portion; Like this, can so that the front cavity space on vibrating diaphragm is reduced, can strengthen further the effect of high frequency;
3. in further program of the utility model, upper shell also comprises the 3rd upper casing, be arranged between above-mentioned the first upper casing and the second upper casing and dock with this first upper casing and the second upper casing respectively, on the position that one end of diaphragm is covered on above-mentioned the 3rd upper casing with the first upper casing docks, its other end is layed in forward vibrating diaphragm section and two flank section are positioned on the part on these vibrating diaphragm section both sides, can effectively seal ante-chamber like this;
4. in further program of the utility model, between root and vibrating diaphragm section, locational dual-side offers at least two grooves, and this groove is oppositely arranged, and arranging of groove can be lowered the hardness of vibrating diaphragm section further, makes its oscillating region enlarge;
5. in further program of the utility model, armature portion is designed to plate, can reduce further so whole thickness.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of ultrathin receiver of the present utility model side-looking angle in embodiment 1;
Fig. 2 is the sectional structure schematic diagram of ultrathin receiver of the present utility model depression angle in embodiment 1;
Fig. 3 is the coil portion of ultrathin receiver of the present utility model and the armature portion structural representation of depression angle under assembled state in embodiment 1;
Fig. 4 is the upper shell of ultrathin receiver of the present utility model and the first magnet structural representation of depression angle under assembled state in embodiment 1;
Fig. 5 is the structural representation of upper shell side-looking angle in embodiment 1 of ultrathin receiver of the present utility model;
Fig. 6 is the lower house of ultrathin receiver of the present utility model and the second magnet structural representation of depression angle under assembled state in embodiment 1.
Wherein, 1. housing 11. upper shell 111. first upper casing 112. second upper casing 113. the 3rd upper casing 114. vocal hole 12. lower house 21. first magnet 22. second magnet 31. armature portion 311. base portion 312. first flank section 313. second flank section 314. root 315. vibrating diaphragm section 316. groove 4. coil portion 51. circuit board 52. welding stages.
Embodiment
Describe preferred implementation of the present utility model in detail below in conjunction with accompanying drawing.
Embodiment 1
As shown in Fig. 1-6, ultrathin receiver in the present embodiment comprises housing 1, driving mechanism and circuit board 51, driving mechanism comprises: armature portion 31, it is E shape, this armature portion 31 comprises integrated base portion 311, two flank section and pars intermedia, these two flank section are the first flank section 312 and the second flank section 313, and this pars intermedia comprises the root 314 that is positioned on base portion 311, and this root 314 extends to form forward vibrating diaphragm section 315; Coil portion 4, be sheathed on gap on root 314, it does not contact with root 314, and coil portion 4 has two start lines and terminated line to be electrically connected to the both positive and negative polarity of circuit board 51 respectively, namely be connected on welding stage 52, armature portion 31 can adopt magnetically soft alloy to make; Housing 1 comprises: upper shell 11, be covered on the top of driving mechanism, this upper shell 11 comprises cover plate and the cover rim that extends to form along this cover plate surrounding downwards, be covered on the inwall of one section cover plate at vibrating diaphragm section 315 tops and be fixedly connected with one first magnet 21, this is fixedly connected with mode can adopt the mode that connects of pasting, upper shell 11 is to be made by magnetically soft alloy, and it has adopted the material similar with iron core in prior art; Lower house 12 is covered on the bottom of driving mechanism with respect to upper shell 11, be fixedly connected with one second magnet 22 with respect to the first magnet 21 on the inwall of this lower house 12, this is fixedly connected with mode can adopt the mode that connects of pasting, this lower house 12 is also to be made by magnetically soft alloy, it has adopted the material similar with iron core in prior art, and upper shell 11 is together in order to substitute the effect of iron core; Also offer a vocal hole 114 on upper shell 11, this vocal hole 114 is a recess that is opened in upper shell 11 sides in the present embodiment, can certainly offer groove, also can be opened on other positions or lower house 12 of upper shell 11.
As shown in Fig. 2-3, the both side ends of above-mentioned coil portion 5 is fixedly connected with the second flank section 313 with the first flank section 312 respectively, the mode of being fixedly connected with can adopt the mode of welding, the both side ends of coil portion 5 respectively with the property of a solder joint and the first flank section 312 be connected flank section 313 and be connected.
As shown in Fig. 1-2, above-mentioned upper shell 11 is fixedly connected with base portion 311, the first flank section 312 and the second flank section 313, and the mode of being fixedly connected with can adopt the mode of welding, can a plurality of solder joints be set on above-mentioned position and connect; The another side of base portion 311, the first flank section 312 and the second flank section 313 is fixedly connected with lower house 12 again, is fixedly connected with mode and also can adopts the mode of welding, also can a plurality of solder joints be set on above-mentioned position and connect.
As Fig. 2, shown in Figure 4, above-mentioned upper shell 11 comprises: the first upper casing 111, it is covered on the top that vibrating diaphragm section 315 and the first flank section 312 and the second flank section 313 are positioned at the part on vibrating diaphragm section 315 both sides, the first magnet 21 is fixedly connected on the inwall of the first upper casing 111, therefore this first upper casing 111 specifically can be used as the first half that replaces the iron core effect, consists of the structure that replaces iron core together with lower house 12; The second upper casing 112, be covered on coil portion 4, the first flank section 312 and the second flank section 313 and be positioned at the part on coil portion 4 both sides and the top of base portion 311, and dock with the first upper casing 111, specifically offer separately interface, dock by interface, this second upper casing 112 can also be become by iron or copper except top said magnetically soft alloy, its can be not the part of iron core and just as a screening can instead.
As Fig. 2, shown in Figure 4, above-mentioned upper shell 11 also comprises the 3rd upper casing 113, it is arranged between the first upper casing 111 and the second upper casing 112 and docks with this first upper casing 111 and the second upper casing 112 respectively, specifically before and after it, two sides all is made as interface, dock with the first upper casing 111 and the second upper casing 112 by interface, the 3rd upper casing 113 is except top said magnetically soft alloy, can also be become by iron or copper, its can be not the part of iron core and just as a screening can instead.
Above-mentioned ultrathin receiver also comprises a diaphragm (not shown), one end of this diaphragm is covered on the position of docking with the first upper casing 111 on the 3rd upper casing 113, its other end is layed in forward vibrating diaphragm section 315 and the first flank section 312 and the second flank section 313 and is positioned on the part on these vibrating diaphragm section 315 both sides, ante-chamber is played airtight effect, and this diaphragm can adopt some known plastic films to implement.
As shown in Figure 3, between above-mentioned root 314 and vibrating diaphragm section 315, locational dual-side offers two grooves 316, this groove 316 is oppositely arranged, can lower further like this hardness of vibrating diaphragm section 315, make its oscillating region enlarge, the quantity of groove 316 also can be offered as more than two according to process requirements.
As shown in Figure 1, above-mentioned armature portion 31 is plate, can reduce further so whole thickness.
Above-mentioned magnetically soft alloy can be selected A3 steel, permalloy or soft iron.
Each gap that reserves between the complete rear all parts of each above-mentioned assembling parts all should seal with airtight technology.
Above-mentioned lower house 12 also can copy the structure of upper shell 11 to make segmented, makes the multistage housing with different or identical material and carries out assembly unit.
Above-mentioned upper shell 11 and lower house 12 are all to implement with the shape of rectangle in the present embodiment, certainly also can be made into the shapes such as circle, polygon according to different technique needs.
Embodiment 2
Other are identical with the described content of embodiment 1, difference is: be fixed between above-mentioned upper shell 11 and lower house 12 and be connected, the inboard surrounding of lower house 12 is provided with step, base portion 311, the first flank section 312 and the second flank section 313 are fixedly connected on this step, the mode of being fixedly connected with can adopt the mode of welding, can a plurality of solder joints be set on above-mentioned position and connect.
The below introduces operation principle of the present utility model:
Original vibrating diaphragm and armature portion all are merged into present armature portion 31, the root 314 of the pars intermedia of armature portion 31 is used for gap coiling 4, so at first the part that root 314 extends has forward compressed as the vibrating diaphragm section 315 that replaces existing vibrating diaphragm the space that original vibrating diaphragm occupies; The iron core merging of original shell and installation magnet is become present housing 1, housing 1 has upper shell 11 and the lower house 12 that is divided into the up and down assembly unit, the first magnet 21 and the second magnet 22 relatively are arranged on respectively on the inwall of upper shell 11 and lower house 12, like this by the space of having compressed original iron core and occupying.When starting working, circuit board 31 is to coil 4 input electrical signals, produce electromagnetic induction effect by coil 4, thereby generation alternating magnetic field, alternating magnetic field can magnetize the armature portion 31 that is placed in coil 4, armature portion 31 can produce the push-and-pull action power with the first magnet 21 and the second magnet 22 according to the principle of " homopolar-repulsion, heteropole are inhaled mutually ", thereby drives 315 vibrations of vibrating diaphragm section, exports from vocal hole 316 thereby produce sound.
Adopt the beneficial effect of above technical scheme to be:
1. the utility model has carried out being used for the improvement of reduced thickness to the structure of original receiver, is specially to be provided with to comprise and double as the armature of vibrating diaphragm and double as upper shell and lower house into iron core; This armature is set to E shape, it comprises integrated base portion, two flank section and pars intermedia, this pars intermedia comprises the root that is positioned on this base portion, this root extends to form forward vibrating diaphragm section, the vibrating diaphragm that replaces original independent setting with this vibrating diaphragm section, coil is sheathed on this root, has so just cancelled original and the vibrating diaphragm of driving mechanism stack setting and the part of vibrating diaphragm frame, makes thickness be reduced; This upper shell and lower house are made by magnetically soft alloy, upper shell comprises cover plate and the cover rim that extends to form along this cover plate surrounding downwards, be fixedly connected with one first magnet on the inwall of the one section cover plate that is covered in vibrating diaphragm section top, lower house is covered on the bottom of driving mechanism with respect to upper shell, be fixedly connected with the second magnet with respect to the first magnet on the inwall of this lower house, so just replace the combination of original iron core and magnet with the form of shell, made like this thickness be reduced further;
2. in further program of the utility model, upper shell is divided into two parts, i.e. the first upper casing and the second upper casing that docking arranges, and the first upper casing is arranged on the top of vibrating diaphragm section, and the first magnet is fixedly connected on the inwall of the first upper casing; The second upper casing is arranged on the top of coil portion, and it is except adopting magnetically soft alloy makes; Like this, can so that the front cavity space on vibrating diaphragm is reduced, can strengthen further the effect of high frequency;
3. in further program of the utility model, upper shell also comprises the 3rd upper casing, be arranged between above-mentioned the first upper casing and the second upper casing and dock with this first upper casing and the second upper casing respectively, on the position that one end of diaphragm is covered on above-mentioned the 3rd upper casing with the first upper casing docks, its other end is layed in forward vibrating diaphragm section and two flank section are positioned on the part on these vibrating diaphragm section both sides, can effectively seal ante-chamber like this;
4. in further program of the utility model, between root and vibrating diaphragm section, locational dual-side offers at least two grooves, and this groove is oppositely arranged, and arranging of groove can be lowered the hardness of vibrating diaphragm section further, makes its oscillating region enlarge;
5. in further program of the utility model, armature portion is designed to plate, can reduce further so whole thickness.
Above-described is only preferred implementation of the present utility model; should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model creation design; can also make some distortion and improvement, these all belong to protection range of the present utility model.
Claims (10)
1. ultrathin receiver, comprise housing, driving mechanism and circuit board, it is characterized in that:
Described driving mechanism comprises: armature portion, and it is E shape, and described armature portion comprises integrated base portion, two flank section and pars intermedia, and described pars intermedia comprises the root that is positioned on described base portion, and described root extends to form forward vibrating diaphragm section; Coil portion is sheathed on described root with gap;
Described housing comprises: upper shell, be covered on the top of described driving mechanism, described upper shell comprises cover plate and the cover rim that extends to form along described cover plate surrounding downwards, be covered on the inwall of one section cover plate at described vibrating diaphragm section top and be fixedly connected with one first magnet, described upper shell is made by magnetically soft alloy; Lower house is covered on the bottom of described driving mechanism with respect to described upper shell, be fixedly connected with one second magnet with respect to described the first magnet on the inwall of described lower house, and described lower house is made by magnetically soft alloy;
Also offer a vocal hole on described upper shell or lower house.
2. ultrathin receiver according to claim 1, it is characterized in that: the both side ends of described coil portion is fixedly connected with described two flank section respectively.
3. ultrathin receiver according to claim 1, it is characterized in that: described upper shell is fixedly connected with flank section with described base portion, and described base portion is fixedly connected with described lower house again with flank section.
4. ultrathin receiver according to claim 1, it is characterized in that: described upper shell is fixedly connected with described lower house, and the inboard surrounding of described lower house is provided with step, and described base portion and flank section are fixedly connected on described step.
5. according to claim 1,3 or 4 described ultrathin receivers, it is characterized in that: described upper shell comprises: the first upper casing, be covered on the top that described vibrating diaphragm section and described two flank section are positioned at the part on described vibrating diaphragm section both sides, described the first magnet is fixedly connected on the inwall of described the first upper casing; The second upper casing is covered on described coil portion, described two flank section and is positioned at the top of the part on described coil portion both sides and described base portion and docks with described the first upper casing, and described the second upper casing can also be become by iron or copper.
6. ultrathin receiver according to claim 5, it is characterized in that: described upper shell also comprises the 3rd upper casing, be arranged between described the first upper casing and the second upper casing and dock with described the first upper casing and the second upper casing respectively, described the 3rd upper casing can also be made of either aluminum or copper.
7. ultrathin receiver according to claim 6, it is characterized in that: described ultrathin receiver also comprises a diaphragm, one end of described diaphragm is covered on the position of docking with described the first upper casing on described the 3rd upper casing, and its other end is layed in forward described vibrating diaphragm section and described two flank section are positioned on the part on described vibrating diaphragm section both sides.
8. ultrathin receiver according to claim 1 is characterized in that: between described root and described vibrating diaphragm section, locational dual-side offers at least two grooves, and described groove is oppositely arranged.
9. ultrathin receiver according to claim 1, it is characterized in that: described armature portion is plate.
10. ultrathin receiver according to claim 1, it is characterized in that: described magnetically soft alloy is A3 steel, permalloy or soft iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722851 CN203027430U (en) | 2012-12-25 | 2012-12-25 | Ultrathin telephone receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220722851 CN203027430U (en) | 2012-12-25 | 2012-12-25 | Ultrathin telephone receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203027430U true CN203027430U (en) | 2013-06-26 |
Family
ID=48651371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220722851 Withdrawn - After Issue CN203027430U (en) | 2012-12-25 | 2012-12-25 | Ultrathin telephone receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203027430U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067806A (en) * | 2012-12-25 | 2013-04-24 | 苏州恒听电子有限公司 | Ultra-thin telephone receiver |
| CN107920291A (en) * | 2017-07-25 | 2018-04-17 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly method |
| CN112203198A (en) * | 2019-07-08 | 2021-01-08 | 歌尔股份有限公司 | Transducer vibration suspension system and drive system assembly and electronic device thereof |
-
2012
- 2012-12-25 CN CN 201220722851 patent/CN203027430U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067806A (en) * | 2012-12-25 | 2013-04-24 | 苏州恒听电子有限公司 | Ultra-thin telephone receiver |
| WO2014166287A1 (en) * | 2012-12-25 | 2014-10-16 | 苏州恒听电子有限公司 | Ultra-thin telephone receiver |
| CN103067806B (en) * | 2012-12-25 | 2015-04-15 | 苏州恒听电子有限公司 | Ultra-thin telephone receiver |
| CN107920291A (en) * | 2017-07-25 | 2018-04-17 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly method |
| CN112203198A (en) * | 2019-07-08 | 2021-01-08 | 歌尔股份有限公司 | Transducer vibration suspension system and drive system assembly and electronic device thereof |
| WO2021003797A1 (en) * | 2019-07-08 | 2021-01-14 | 歌尔股份有限公司 | Vibration suspension system and drive system assembly of energy transducer and electronic device thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130626 Effective date of abandoning: 20150415 |
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| RGAV | Abandon patent right to avoid regrant |