CN207968953U - A kind of armature and receiver - Google Patents
A kind of armature and receiver Download PDFInfo
- Publication number
- CN207968953U CN207968953U CN201820523390.4U CN201820523390U CN207968953U CN 207968953 U CN207968953 U CN 207968953U CN 201820523390 U CN201820523390 U CN 201820523390U CN 207968953 U CN207968953 U CN 207968953U
- Authority
- CN
- China
- Prior art keywords
- side wall
- armature
- fixed
- base portion
- receiving space
- Prior art date
- 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.)
- Active
Links
Landscapes
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
The utility model embodiment is related to receiver field, provides a kind of armature and the receiver comprising the armature, armature include：Blade of a sword iron, blade of a sword iron include base portion, two support portions extended from base portion both sides, and two support portions and base portion constitute receiving space, and side of the receiving space far from base portion is opening；First magnet is contained in receiving space and is fixed on base portion；Coil, be located at the side of blade of a sword iron and with blade of a sword ferropexy, coil is provided with through-hole；Reed, reed include fixed part, interconnecting piece and vibration section, and interconnecting piece is used for connecting portion and vibration section, vibration section pass through through-hole and it is partial be contained in receiving space, fixed part fitting is fixed on support portion；Second magnet, fitting are fixed on fixed part.The armature structure of the utility model is simple so that the packaging technology of armature becomes simple, realizes the automated production of armature.
Description
Technical field
The utility model is related to moving-iron receiver field more particularly to a kind of armature and include the receiver of the armature.
Background technology
Moving-iron type receiver, also known as dynamic iron loudspeaker, are a kind of sounding components.It is set on the basis of inductor loudspeaker
Meter plays high-precision micrometer-nanometer processing technology and maintains its acoustic-electric conversion ratio by the micromation of part and the use of new material
High characteristic, and overcome acoustic-electric conversion frequency response and be distorted big deficiency.Due to spies such as its is small, low-power consumption, height outputs
Point is widely used in the fields such as hearing aid, covert communications, high-fidelity headphone.
In moving-iron receiver, armature is a critically important component, and armature generally comprises blade of a sword iron, coil, magnet and spring
Piece.The main function of blade of a sword iron is that magnetic conduction forms magnetic circuit, magnet for providing stationary magnetic field, reed by high permeability material system
, and it is placed in coil inside, when the electric signal feed in winding of variation, coil generates the Lorentz force of variation because of the electric current of variation,
Reed pumps under the driving of Lorentz force.
Inventor has found that existing armature is in assembling, blade of a sword iron, coil during realizing the utility model embodiment
With one sheet of magnet intermediate demand as assembled fixture, ensures three's position degree, coil is first inserted into sheet, is inserted into
Blade of a sword iron, then it is inserted directly into two panels magnet in blade of a sword iron and sheet, dispensing baking is fixed, and technique is very complicated, cannot achieve automation
Production.
Utility model content
In order to solve the problems, such as armature in the prior art, the assembly process is complicated, cannot achieve automated production, this practicality
New embodiment provides a kind of armature simple in structure and the receiver comprising the armature so that the packaging technology of armature becomes letter
It is single, to realize the automated production of the armature.
In a first aspect, the utility model embodiment provides a kind of armature, including：
Blade of a sword iron, the blade of a sword iron includes base portion, and from the extension of the both sides of the base portion, there are two support portion, described two support portions
Receiving space is constituted with the base portion, side of the receiving space far from the base portion is opening；
First magnet is contained in the receiving space and is fixed on the base portion；
Coil, be located at the side of the blade of a sword iron and with the blade of a sword ferropexy, the coil is provided with through-hole；
Reed, the reed include fixed part, interconnecting piece and vibration section, the interconnecting piece for connect the fixed part and
Vibration section, the vibration section pass through the through-hole and it is partial be contained in the receiving space, the fixed part fitting is fixed on
On the support portion；
Second magnet, fitting is fixed on the fixed part, and is contained in the receiving space.
Optionally, the reed further includes two positioning regions, and described two positioning regions are lateral remote from the one of the fixed part
Direction interval from the interconnecting piece extends.
Optionally, extension, the extension have been each extended over from described two support portions to far from the receiving space
It fits with the fixed part.
Second aspect, the utility model embodiment provide a kind of receiver, including armature and shell, the armature are contained in
The shell, the armature include：
Blade of a sword iron, the blade of a sword iron includes base portion, and from the extension of the both sides of the base portion, there are two support portion, described two support portions
Receiving space is constituted with the base portion, side of the receiving space far from the base portion is opening；
First magnet is contained in the receiving space and is fixed on the base portion；
Coil, be located at the side of the blade of a sword iron and with the blade of a sword ferropexy, the coil is provided with through-hole；
Reed, the reed include fixed part, interconnecting piece and vibration section, the interconnecting piece for connect the fixed part and
Vibration section, the vibration section pass through the through-hole and it is partial be contained in the receiving space, the fixed part fitting is fixed on
On the support portion；
Second magnet, fitting is fixed on the fixed part, and is contained in the receiving space.
Optionally, the reed further includes two positioning regions, and described two positioning regions are lateral remote from the one of the fixed part
Direction interval from the interconnecting piece extends.
Optionally, the shell includes the first plate body, the second plate body and annular plate, first plate body and described second
Plate body is located at the opposite sides of the annular plate, and first plate body, the second plate body and the annular plate surround shape
At accommodating space, the armature is contained in the accommodating space.
Optionally, the annular plate includes the first side wall, and the second side is extended with from the both sides of the first side wall are opposite
Wall and third side wall are extended with the 4th side wall from the second sidewall to the third side wall, from the third side wall to described
Second sidewall is extended with the 5th side wall, and the 4th side wall is mutually fixed with the 5th side wall, the first side wall with it is described fixed
Position portion abuts against.
Optionally, one in the 4th side wall and the 5th side wall be provided with convex block, another is provided with scarce
Mouthful, the convex block is contained in the notch, so that the 4th side wall and the 5th side wall are fixed.
Optionally, the receiver further includes two pins being set on the coil, from the 4th side wall and
Five side walls are recessed fluted close to lateral second plate body of first plate body, and described two pins pass through the groove
Extend outside the accommodating space.
Optionally, the receiver further includes vibrating diaphragm component and connecting rod, the connecting rod for connect the vibrating diaphragm component and
The vibration section, wherein the second sidewall is extended with boss to the third side wall, and the third side wall is to the second side
Wall is extended with boss, and the boss is used to support the vibrating diaphragm component.
Compared with prior art, the blade of a sword iron for the armature that the utility model embodiment provides includes base portion and prolongs from base portion both sides
Two support portions stretched, are fixed on the base portion by the first magnet, and coil is fixed on to the side of the blade of a sword iron, by the second magnet
After being fixed on the fixed part of reed, the fixed part and support portion fitting are fixed, to complete the assembling of the armature,
Simplify the packaging technology of the armature, and realizes the automated production of the armature.
Description of the drawings
Fig. 1 is the stereogram for the armature that the utility model embodiment one provides；
Fig. 2 is the stereogram of the blade of a sword iron for the armature that embodiment one provides；
Fig. 3 is the stereogram of the first magnet of the armature that embodiment one provides；
Fig. 4 is the exploded view of the pin and the coil for the armature that embodiment one provides；
Fig. 5 is the stereogram of the reed for the armature that embodiment one provides；
Fig. 6 is the stereogram exploded view for the receiver that the utility model embodiment two provides；
Fig. 7 is the stereogram of the annular plate for the receiver that embodiment two provides；
Fig. 8 is the schematic diagram of the flat condition of the annular plate for the receiver that embodiment two provides.
The drawing reference numeral explanation of specific implementation mode：
| Armature 100 | Blade of a sword iron 11 | Base portion 110 | Support portion 111 |
| Extension 112 | Receiving space 113 | First magnet 12 | Second magnet 13 |
| Coil 14 | Through-hole 140 | Pin 15 | Reed 16 |
| Fixed part 160 | Vibration section 161 | Interconnecting piece 162 | Positioning region 163 |
| Receiver 200 | Shell 21 | First plate body 211 | Second plate body 212 |
| Annular plate 213 | The first side wall 2131 | Second sidewall 2132 | Third side wall 2133 |
| 4th side wall 2134 | 5th side wall 2135 | Convex block 2136 | Notch 2137 |
| Groove 2138 | Boss 2139 | Vibrating diaphragm component 22 | Connecting rod 23 |
| Circuit board 24 |
Specific implementation mode
For the ease of understanding the utility model, in the following with reference to the drawings and specific embodiments, the utility model is carried out more detailed
Thin explanation.It should be noted that when element is expressed " being fixed on " another element, it can be directly in another element
Upper or placed in the middle there may be one or more therebetween elements.When an element is expressed " buckle " another element, it can
To be directly to be snapped into another element or elements placed in the middle there may be one or more therebetween.This specification is used
Term "upper", "lower", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, technical and scientific term all used in this specification and the skill for belonging to the utility model
The normally understood meaning of technical staff in art field is identical.Term used in the description of the utility model is intended merely to
The purpose for describing specific embodiment is not intended to limitation the utility model.Term "and/or" used in this specification includes
Any and all combinations of one or more relevant Listed Items.
Embodiment one
As shown in Figure 1, for the armature 100 that the embodiment of the present invention one provides, it is applied to receiver, the armature 100 is main
Including blade of a sword iron 11, the first magnet 12, the second magnet 13, coil 14, pin 15 and reed 16.
As depicted in figs. 1 and 2, the blade of a sword iron 11 includes base portion 110, bending extends from 110 both sides of the base portion two
Support portion 111, the extension 112 each extended over from the outside of described two support portions 111.The blade of a sword iron 11 is substantially in U-typed,
Described two support portions 111 and the base portion 110 constitute receiving space 113, and the receiving space 113 is far from the base portion 110
Side be opening, the main function of the blade of a sword iron 11 is magnetic conduction, formed magnetic circuit.The blade of a sword iron 11 by high permeability material
It is made, the alloy being for example made of nickel (Ni, Nickel), niobium (Nb, Niobium), carbon (C, carbon) and iron (Fe, Ferrum)
Material is made.As shown in figure 3, first magnet 12 is permanent magnet, generally plate-like structure, it is contained in the receiving space
In 113 and it is fixed on the base portion 110.
As shown in figure 4, the coil 14 is cyclic structure, through-hole 140, the coil 14 are provided among the coil 14
It is the carrier of electric current.
What described two pins 15 were spaced is set on the coil 14 and is electrically connected with the coil 14, the coil
14 are connected by described two pins 15 with external cabling.The pin 15 is elongate column structure, by the material of high conductivity
Material is made, for example gold and billon, silver and silver alloy, copper and copper alloy.
As shown in Figure 1 and Figure 5, the reed 16 includes flat fixed part 160, flat vibration section 161 and connects
The interconnecting piece 162 of the fixed part 160 and the arc of the vibration section 161 is connect, the vibration section 161 passes through the coil 14
Through-hole 140 and it is partial be contained in the receiving space 113,111 He of the support portion is fixed in the fitting of the fixed part 160
On the extension 112.The direction interval for being laterally away from the interconnecting piece 162 from the one of the fixed part 160 is extended with two
A positioning region 163.The reed 16 is made by the material of high permeability, the material of the material of the reed 16 and the blade of a sword iron 11
It is identical.The fixed part 160 of the reed 16 and the blade of a sword iron 11 surround the magnetic conductive loop to form a closed ring.
As shown in figure 3, the structure snd size of second magnet 13 and first magnet 12 are, it is located at the receipts
Holding and space 113 and is fixed on the fixed part 160, second magnet 13 is plate-like structure, is permanent magnet, described second
Constant Direct Current magnetic field is formed between magnet 13 and first magnet 12.
When assembling the armature 100, by the first magnet 12 and it is provided with 11 groups of the coil 14 of pin 15 and the blade of a sword iron
Dress, specifically, first magnet 12 is inserted into the receiving space 113 from the opening direction of the receiving space 113 and is consolidated
Due to the base portion 110 of the blade of a sword iron 11, the coil 14 of pin 15 will be provided with from the side of the blade of a sword iron 11 and the blade of a sword iron 11
It is fixed；Secondly, second magnet 13 is fixed on to the fixed part 160 of the reed 16, specifically, can be by second magnetic
Body 13 and 160 radium-shine welding of the fixed part, then by the vibration section 161 of the reed 16 for being fixed with the second magnet 13 from institute
It states and is inserted into the through-hole 140 of coil 14 and is contained in the receiving space 113；Finally, the fixed part 160 of the reed 16 is consolidated
Due to the support portion 111 and extension 112 of the blade of a sword iron 11, specifically, can be by the fixed part 160 and the support portion
111 and/or 112 radium-shine welding of extension, to complete the assembling of the armature 100.
Compared with prior art, the packaging technology of the armature 100 of the utility model embodiment and assembling procedure are relatively simple,
It is positioned without auxiliary fixture, automated production may be implemented, improve the production efficiency of the armature 100.
Embodiment two
As shown in fig. 6, the receiver 200 provided for the utility model embodiment, the receiver 200 include shell 21,
Armature 100, vibrating diaphragm component 22, connecting rod 23 and circuit board 24.
Wherein, the armature 100 is identical as in embodiment one, is not repeating herein.
The shell 21 includes the first plate body 211, the second plate body 212 and annular plate 213, the first noumenon and second
Plate body 212 is located at the opposite sides of the annular plate 213, first plate body 211, second plate body 212 and institute
It states annular plate 213 and constitutes accommodating space, the armature 100 is contained in the accommodating space.
First plate body 211 is in tabular, and the armature 100 is welded and fixed with first plate body 211, specifically,
By the base portion 110 and 211 laser welding of the first plate body.
As shown in fig. 7, the annular plate 213 is annular in shape, including the first side wall 2131, second sidewall 2132, third side
Wall 2133, the 4th side wall 2134 and the 5th side wall 2135, the second sidewall 2132 and the third side wall 2133 are from described
The both sides of one side wall 2131 are opposite to be extended, and the 4th side wall 2134 is from the second sidewall 2132 to the 5th side wall
2135 extend, and the 5th side wall 2135 extends from the third side wall 2133 to the second sidewall 2132,
The first side wall 2131 is abutted against with the positioning region 163 on the reed 16, for positioning the annular plate 213.It is described
4th side wall 2134 is provided with convex block 2136, and the 5th side wall 2135 is arranged jagged 2137, and the convex block 2136 is contained in
The notch 2137, so that the 4th side wall 2134 and the 5th side wall 2135 are fixed.
It is understood that in other embodiments, the convex block 2136 is set on the 5th side wall 2135, described
Groove 2137 is set on the 4th side wall 2134, and the change that the quantity of the convex block 2136 and the groove 2137 is equivalent
Change, can be two, three, four or other are more than one quantity for example.
It is understood that in other embodiments, the 4th side wall 2134 and the 5th side wall 2135 can also be taken
Other fixed forms, for example, the 4th side wall 2134 and the 5th side wall 2135 can also be welded and fixed.
4th side wall 2134 and the 5th side wall 2135 are close to the one lateral described second of first plate body 211
Plate body 212 extends fluted 2138, and two pins 15 of the armature 100 extend described house across the groove 2138
Outside space, to be in contact with the circuit board 24 outside accommodating space, to be electrically connected the coil 14 and the circuit
Plate 24.
The second sidewall 2132 is extended with multiple boss 2139, the third side wall 2133 to the third side wall 2133
Multiple boss 2139 are extended with to the second sidewall 2132, the boss 2139 is used to support the vibrating diaphragm component 22.
It is understood that as shown in figure 8, the annular plate 213 first passes through sheet metal forming technology shaping, formation is flat
Annular plate prefabricated component forms four bendings then by annular plate prefabricated component bending technique；Finally by the 4th side wall
2134 and the 5th side wall 2135 be fixed, you can form the annular plate 213.
Shell 21 in the prior art generally comprises upper casing and lower casing, the upper casing and lower casing be all made of drawing process at
Type.In the present embodiment, by being the first plate body 211, the second plate body 212 and annular plate by the structure setting of the shell 21
213, using simple Sheet Metal Forming Technology and bending technique, that is, plastic first shell 21, reduce the manufacture of the shell 21
Cost and required precision thereby reduce cost and the required precision of the receiver 200.
The vibrating diaphragm component 22 is located at the top of the boss 2139, and the connecting rod 23 is for connecting shaking for the reed 16
Dynamic portion 161 and the vibrating diaphragm component 22, the vibrating diaphragm component 22 make a sound with the reciprocating motion of the vibration section 161.
The circuit board 24 be fixed on the 4th side wall 2134 and be the 5th side wall 2135 outside, and with the pin
15 connect, and the circuit board 24 is used to receive external command and controls the size of the electric current of feed-in in the coil 14, to control
Make the size for the sound that the receiver 200 is sent out.
When assembling the receiver 200, first the armature 100 is fixed on first plate body 211；Then will consolidate
There is the annular plate 213 of circuit board 24 to be stacked on first plate body 211 from perpendicular to the direction of first plate body 211 surely
On；Then the connecting rod 23 for being connected with vibrating diaphragm component 22 is set on the boss 2139；The second plate body 212 is finally covered,
So as to complete the assembling of the receiver 200.
In the present embodiment, the packaging technology of the receiver 200 is from perpendicular to the direction of first plate body 211
Simply stack and fix, by the change of the structure of the shell 21, realizes the automatic of the assembling of the receiver 200
Change, improves the production efficiency of the receiver 200, realize the mass production of the receiver 200.
In the prior art, when the armature 100 being assembled on shell 21, the pin 15 of armature 100 is worn from side
The process for crossing the groove 2138 of shell 21, needs to be accomplished manually, inefficiency.In the present embodiment, the 4th side wall 2134
With the 5th side wall 2135 close to lateral second plate body 212 recessed fluted 2138 of first plate body 211, peace
When dress, it is only necessary to by the annular plate 213 from perpendicular to the direction of first plate body 211 stack and be fixed on described first
On plate body 211, process is simple, and the assembling of automation may be implemented, improve packaging efficiency, reduce cost of labor.
When do not have in coil 14 tone currents by when, the vibration section 161 of reed 16 is in the first magnet 12 and the second magnet
It is in equilibrium state in 13 stationary magnetic fields provided；When in coil 14 by audible communication electric current, electricity of the coil 14 because of variation
The Lorentz force for changing of miscarrying, vibration section 161 move back and forth under the driving of Lorentz force, and vibrating diaphragm group is driven by connecting rod 23
Part 22 generates sound wave, to complete conversion of the electric signal to acoustical signal.
It should be noted that giving the preferable implementation of the utility model in the specification and its attached drawing of the utility model
Example, still, the utility model can be realized by many different forms, however it is not limited to which this specification is described to be implemented
Example, not as the additional limitation to the utility model content, purpose of providing these embodiments is makes to this reality these embodiments
Understanding with novel disclosure is more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and is formed not upper
The various embodiments that face is enumerated are accordingly to be regarded as the range of the utility model specification record；Further, to ordinary skill
For personnel, it can be modified or changed according to the above description, and all these modifications and variations should all belong to this practicality newly
The protection domain of type appended claims.
Claims (10)
1. a kind of armature, which is characterized in that including：
Blade of a sword iron, the blade of a sword iron includes base portion, and from the extension of the both sides of the base portion, there are two support portion, described two support portions and institutes
It states base portion and constitutes receiving space, side of the receiving space far from the base portion is opening；
First magnet is contained in the receiving space and is fixed on the base portion；
Coil, be located at the side of the blade of a sword iron and with the blade of a sword ferropexy, the coil is provided with through-hole；
Reed, the reed include fixed part, interconnecting piece and vibration section, and the interconnecting piece is for connecting the fixed part and vibration
Portion, the vibration section pass through the through-hole and it is partial be contained in the receiving space, the fixed part fitting is fixed on described
On support portion；
Second magnet, fitting is fixed on the fixed part, and is contained in the receiving space.
2. armature according to claim 1, which is characterized in that the reed further includes two positioning regions, described two fixed
The direction interval that position portion is laterally away from the interconnecting piece from the one of the fixed part extends.
3. armature according to claim 2, which is characterized in that from described two support portions to far from the receiving space point
It is not extended with extension, the extension fits with the fixed part.
4. a kind of receiver, which is characterized in that including armature and shell, the armature is contained in the shell, the armature packet
It includes：
Blade of a sword iron, the blade of a sword iron includes base portion, and from the extension of the both sides of the base portion, there are two support portion, described two support portions and institutes
It states base portion and constitutes receiving space, side of the receiving space far from the base portion is opening；
First magnet is contained in the receiving space and is fixed on the base portion；
Coil, be located at the side of the blade of a sword iron and with the blade of a sword ferropexy, the coil is provided with through-hole；
Reed, the reed include fixed part, interconnecting piece and vibration section, and the interconnecting piece is for connecting the fixed part and vibration
Portion, the vibration section pass through the through-hole and it is partial be contained in the receiving space, the fixed part fitting is fixed on described
On support portion；
Second magnet, fitting is fixed on the fixed part, and is contained in the receiving space.
5. receiver according to claim 4, which is characterized in that the reed further includes two positioning regions, described two
The direction interval that positioning region is laterally away from the interconnecting piece from the one of the fixed part extends.
6. receiver according to claim 5, which is characterized in that the shell includes the first plate body, the second plate body and ring
Shape plate body, first plate body and second plate body are located at the opposite sides of the annular plate, first plate body,
Second plate body and the annular plate surround to form accommodating space, and the armature is contained in the accommodating space.
7. receiver according to claim 6, which is characterized in that the annular plate includes the first side wall, from described
The both sides of one side wall are opposite to be extended with second sidewall and third side wall, and the is extended with from the second sidewall to the third side wall
Four side walls are extended with the 5th side wall, the 4th side wall and the 5th side wall from the third side wall to the second sidewall
Mutually fixed, the first side wall is abutted against with the positioning region.
8. receiver according to claim 7, which is characterized in that one in the 4th side wall and the 5th side wall
It is provided with convex block, another setting is jagged, and the convex block is contained in the notch, so that the 4th side wall and the described 5th
Side wall is fixed.
9. receiver according to claim 7, which is characterized in that the receiver further includes being set on the coil
Two pins are recessed with from the 4th side wall and the 5th side wall close to lateral second plate body of first plate body recessed
Slot, described two pins extend across the groove outside the accommodating space.
10. receiver according to claim 7, which is characterized in that the receiver further includes vibrating diaphragm component and connecting rod, institute
Connecting rod is stated for connecting the vibrating diaphragm component and the vibration section, wherein the second sidewall is extended with to the third side wall
Boss, the third side wall are extended with boss to the second sidewall, and the boss is used to support the vibrating diaphragm component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820523390.4U CN207968953U (en) | 2018-04-12 | 2018-04-12 | A kind of armature and receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820523390.4U CN207968953U (en) | 2018-04-12 | 2018-04-12 | A kind of armature and receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207968953U true CN207968953U (en) | 2018-10-12 |
Family
ID=63727812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820523390.4U Active CN207968953U (en) | 2018-04-12 | 2018-04-12 | A kind of armature and receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207968953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322877A (en) * | 2018-04-12 | 2018-07-24 | 深圳倍声声学技术有限公司 | A kind of armature and receiver |
| WO2020107400A1 (en) * | 2018-11-30 | 2020-06-04 | 深圳倍声声学技术有限公司 | Receiver and hearing aid with same |
-
2018
- 2018-04-12 CN CN201820523390.4U patent/CN207968953U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108322877A (en) * | 2018-04-12 | 2018-07-24 | 深圳倍声声学技术有限公司 | A kind of armature and receiver |
| WO2019196138A1 (en) * | 2018-04-12 | 2019-10-17 | 深圳倍声声学技术有限公司 | Armature and receiver |
| WO2020107400A1 (en) * | 2018-11-30 | 2020-06-04 | 深圳倍声声学技术有限公司 | Receiver and hearing aid with same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108322877A (en) | A kind of armature and receiver | |
| CN108391215A (en) | A kind of moving-iron receiver | |
| CN1913724B (en) | Electroacoustic transducer | |
| CN109040916B (en) | Vibrator assembly for exciter, exciter and screen sounding device | |
| CN207968953U (en) | A kind of armature and receiver | |
| CN107222818B (en) | Acoustic-electric conversion device and audio equipment | |
| CN112929801B (en) | Speaker and electronic apparatus | |
| CN208300022U (en) | A kind of moving-iron receiver | |
| US11032648B2 (en) | Electroacoustic sound generator | |
| CN207184810U (en) | A kind of blade of a sword iron, armature and receiver | |
| CN207968827U (en) | A kind of shell and receiver | |
| CN210744993U (en) | Linear vibrator | |
| CN109195085A (en) | A kind of vibration exciter can be used for screen sounding | |
| TWI510105B (en) | Dual diaphragm dynamic microphone transducer | |
| CN208112951U (en) | A kind of moving-iron receiver | |
| CN108429954A (en) | A kind of shell and receiver | |
| CN206413185U (en) | Flat film sound-producing device | |
| CN208386917U (en) | A kind of diaphragm, vibrating diaphragm and moving-iron receiver | |
| CN114157970A (en) | Sound production device | |
| CN108696810A (en) | A kind of moving-iron receiver | |
| CN207219037U (en) | A kind of blade of a sword iron, armature and receiver | |
| CN207251899U (en) | A kind of armature and moving-iron receiver | |
| CN220915415U (en) | Vibration sounding monomer, vibration sounding module and electronic equipment | |
| CN216313413U (en) | Telephone receiver and electronic equipment | |
| CN219919152U (en) | Magnetic field changeable multi-voice coil loudspeaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210820 Address after: 518000 No.3 Factory, Qiaotou Fuqiao Industrial Zone, Fuyong Town, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN EVERWIN PRECISION TECHNOLOGY Co.,Ltd. Address before: 518000 2nd floor, building 25, Zhiheng Industrial Park, nantouguankou 2nd Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN BELLSING ACOUSTIC TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |