CN108696810A - A kind of moving-iron receiver - Google Patents
A kind of moving-iron receiver Download PDFInfo
- Publication number
- CN108696810A CN108696810A CN201810472915.0A CN201810472915A CN108696810A CN 108696810 A CN108696810 A CN 108696810A CN 201810472915 A CN201810472915 A CN 201810472915A CN 108696810 A CN108696810 A CN 108696810A
- Authority
- CN
- China
- Prior art keywords
- iron
- blade
- moving
- sword
- lower housing
- 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.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/04—Microphones
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The present embodiments relate to receiver fields, provide a kind of moving-iron receiver, and the moving-iron receiver includes:Shell, the shell include upper shell and lower housing, and the upper shell and lower housing, which mutually fasten, forms receiving space, and one in the upper shell and lower housing is extended with holding section to another;Motor sub-assembly, it is contained in the receiving space, the motor sub-assembly includes blade of a sword iron, the blade of a sword iron is in tabular, is provided with card slot on the outside of the blade of a sword iron, the blade of a sword iron is between the upper shell and the lower housing, the card slot accommodates the holding section, the lateral register for realizing the blade of a sword iron reduces the requirement of precision when assembling the blade of a sword iron to assembly fixture, improves the production cost and production efficiency of the moving-iron receiver.
Description
Technical field
The present invention relates to receiver technical field more particularly to a kind of moving-iron receivers.
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.
Existing moving-iron receiver includes mainly shell, motor sub-assembly and the vibrating diaphragm group being made of upper shell and lower housing
Part, the two panels magnet that the motor sub-assembly generally comprises the blade of a sword iron in closed ring, accommodates and be fixed in the blade of a sword iron.It is existing
Blade of a sword iron be in closed ring, to formed an annular magnetic conductive loop.It is general to use when manufacturing the blade of a sword iron of the closed ring
The blade of a sword iron material of plate is cut by slow wire feeding technique and is made, on the one hand, among the blade of a sword iron of the closed ring after cutting
Blade of a sword iron material can not continue being fabricated as waste material of the blade of a sword iron of closed ring so that the manufacturing cost of the blade of a sword iron compared with
Height, so that the manufacturing cost of the moving-iron receiver is higher.
Therefore, by the way that flat blade of a sword iron will be designed as by closed blade of a sword iron in a ring, shape is surrounded by blade of a sword iron and lower housing
At the magnetic conductive loop of a ring seal, magnetic conduction effect in the prior art is realized, and make the cost of the blade of a sword iron significantly
It reduces.
However, inventor has found in realizing the embodiment of the present invention, upper shell and lower casing are crossed by above-mentioned flat blade of a sword Tie Tong
Body is gripped, but the problem of the lateral register of the flat blade of a sword iron and is not solved.
Invention content
Include lateral register the present invention provides one kind to solve the problems, such as the blade of a sword iron lateral register in moving-iron receiver
Blade of a sword iron moving-iron receiver.
The embodiment of the invention discloses following technical schemes, provide a kind of moving-iron receiver, including:
Shell, the shell include upper shell and lower housing, and it is empty that the upper shell and lower housing mutually fasten formation receiving
Between, one in the upper shell and lower housing is extended with holding section to another;
Motor sub-assembly is contained in the receiving space, and the motor sub-assembly includes blade of a sword iron, and the blade of a sword iron is in tabular, institute
It states and is provided with card slot on the outside of blade of a sword iron, the blade of a sword iron is between the upper shell and the lower housing, the card slot collecting post
Holding section is stated, to position the blade of a sword iron.
Optionally, the blade of a sword iron includes main part, two extensions extended from the side relative spacing of the main part,
The quantity of the card slot is two, is respectively arranged on described two extensions, the quantity also corresponding setting of the holding section
It is two.
Optionally, short slot is provided on the main part, the short slot is with the extending part in the phase of the main part
To both sides, one in the upper shell and the lower housing is extended with limiting section to another, and the limiting section is contained in institute
State short slot.
Optionally, the motor sub-assembly further includes two panels permanent magnet, and the blade of a sword iron and the lower housing constitute ring seal
Magnetic conductive loop, the blade of a sword iron and the lower housing surround to form accommodating space, and the two panels permanent magnet is contained in described accommodating
Space, one in the two panels permanent magnet is fixed on the lower housing, another fitting in the two panels permanent magnet and
It is fixed on the lower surface of the blade of a sword iron.
Optionally, the motor sub-assembly further includes reed, and the reed includes being arranged in parallel and at interval vibration section and consolidating
Determine portion, and the connection vibration section and the fixed part interconnecting piece, the vibration section be suspended on the two panels permanent magnet it
Between, the fixed part fitting and the upper surface for being fixed on the blade of a sword iron.
Optionally, the connecting portion is between described two extensions.
Optionally, the moving-iron receiver further includes the vibrating diaphragm component and connecting rod for being contained in the receiving space, described to shake
Membrane module is located at the top of the blade of a sword iron, and one end of the connecting rod is fixed on the vibration section, and the other end passes through the short slot
It is fixed on the vibrating diaphragm component.
Optionally, the vibrating diaphragm component includes the vibrating diaphragm holder of cyclic structure, and the side wall of the upper shell is provided with card convex,
The card convex is located at the top of the vibrating diaphragm holder, and the vibrating diaphragm holder is fixed for clamping.
Optionally, the vibrating diaphragm component further includes film and the piece that shakes, and the film is located at the top of the vibrating diaphragm holder, institute
It states film and is extended with protrusion towards the direction far from the blade of a sword iron, the protrusion is the semi-surrounding structure of one end open, the piece that shakes
In the protrusion.
Optionally, one end of the film offers first through hole, the on piece of shaking position corresponding with the first through hole
The second through-hole is installed, the first through hole is used to connect with connecting rod with second through-hole.
Compared with prior art, one in the upper shell and lower housing of the invention is extended with clamping to another
Portion is provided with card slot on the outside of the blade of a sword iron, and the blade of a sword iron between the upper shell and the lower housing, receive by the card slot
Hold the holding section, realize the lateral register of the blade of a sword iron, reduces precision when assembling the blade of a sword iron to assembly fixture
It is required that improving the production cost and production efficiency of the moving-iron receiver.
Description of the drawings
Fig. 1 is the stereogram exploded view for the moving-iron receiver that a wherein embodiment of the invention provides;
Fig. 2 is the three-dimensional cutaway view for the moving-iron receiver that a wherein embodiment provides;
Fig. 3 is the stereogram of the upper shell for the moving-iron receiver that a wherein embodiment provides;
Fig. 4 is the stereogram of the lower housing for the moving-iron receiver that a wherein embodiment provides;
Fig. 5 is the stereogram of the motor sub-assembly for the moving-iron receiver that a wherein embodiment provides;
Fig. 6 is the stereogram of the blade of a sword iron for the moving-iron receiver that a wherein embodiment provides;
Fig. 7 is the stereogram exploded view of the vibrating diaphragm component for the moving-iron receiver that a wherein embodiment provides.
The drawing reference numeral explanation of specific implementation mode:
Specific implementation mode
To facilitate the understanding of the present invention, in the following with reference to the drawings and specific embodiments, the present invention will be described in more detail.
It should be noted that when element is expressed " being fixed on " another element, it can directly on another element or therebetween
There may be one or more elements placed in the middle.When an element is expressed " buckle " another element, it can directly be blocked
It is anchored to another element or may exist one or more elements placed in the middle therebetween.Term "upper" used in this specification,
"lower", "left", "right" and similar statement are for illustrative purposes only.
Unless otherwise defined, technical and scientific term all used in this specification is led with the technology for belonging to the present invention
The normally understood meaning of technical staff in domain is identical.It is specific to be intended merely to description for used term in the description of the invention
Embodiment purpose, be not intended to limitation the present invention.Term "and/or" used in this specification includes one or more phases
Any and all combinations of the Listed Items of pass.
As shown, for the moving-iron receiver 100 that a wherein embodiment of the invention provides, the moving-iron receiver 100 wraps
Include shell 1, motor sub-assembly 2, vibrating diaphragm component 3 and connecting rod 4.
As shown, the shell 1 includes upper shell 11 and lower housing 12,12 phase of the upper shell 11 and the lower housing
It mutually fastens, forms the receiving space 13 for accommodating the motor sub-assembly 2, the vibrating diaphragm component 3 and the connecting rod 4.
The upper shell 11 includes 110, two the first side walls 111 of the first matrix and two second sidewalls 112.It is described two
The first side wall 111 extends from first matrix 110 to the lower housing 12, and described two second sidewalls 112 are described in
First matrix 110 extends to the lower housing 12, and described two the first side walls 111 are parallel and are oppositely arranged, described two
Second sidewall 112 is parallel and is oppositely arranged, and the length of the first side wall 111 is more than the length of the second sidewall 112 so that
Upper shell 11 is substantially in the cuboid of one end open.
Extend there are two holding section 113 from the lower surface of described two the first side walls 111 towards the lower housing 12, described in
There are one limiting sections 114 towards the extension of the lower housing 12 for one lower surface in two second sidewalls 112.From the second side
The inside of wall 112 is extended with card convex 115, and the upper shell 11 is made by metal material, the upper shell 11 by drawing process at
Type is made, and the card convex 115 is made by sheet metal forming technology shaping.
The lower housing 12 includes 120, two third side walls 121 of the second matrix and two the 4th side walls 122, described two
Third side wall 121 extends from second matrix 120 to first matrix 110, and described two third side walls 121 are from institute
The second matrix 120 to be stated to first matrix 110 to extend, described two third side walls 121 are oppositely arranged, and described two
Four side walls 122 are oppositely arranged, and the length of the third side wall 121 is more than the length of the 4th side wall 122 so that the lower casing
Body 12 is the cuboid of one end open.The lower housing 12 is made by iron-nickel alloy material using drawing process molding.
As shown, the motor sub-assembly 2 includes blade of a sword iron 21, two panels permanent magnet 23, reed 25 and coil 24.
The blade of a sword iron 21 is in tabular, including main part 210, is extended from the side relative spacing of the main part 210
Two extensions 211, there are two card slots 212, the card slot 212 to accommodate the upper shell for setting on described two extensions 211
11 holding section 113, in the up-down direction, the blade of a sword iron 21 are clamped fixed described in the upper shell 11 and the lower housing 12
Position, by the cooperation of the card slot 212 and the holding section 113, to realize the lateral register of the blade of a sword iron 21.The master
The short slot 213 of the upper and lower surface of the main part 210 is provided through in body portion 210, the short slot 213 prolongs with described
Extending portion 211 is located at the opposite sides of the main part 210, and the limiting section 114 is contained in the short slot 213, thus into
One step carries out lateral register to the blade of a sword iron 21.
The blade of a sword iron 21 is made by iron-nickel alloy material identical with the lower housing 12 using Sheet Metal Forming Technology, the blade of a sword iron
21 and two third side walls 121, the second matrix 120 surround to form accommodating space 22, the blade of a sword iron 21 and the third side wall
121, the second matrix 120 collectively forms the magnetic conductive loop of a closed ring, to substitute in the prior art by using closing
The magnetic conductive loop that the blade of a sword iron 21 of loop configuration is constituted, on the one hand, flat blade of a sword iron 21 is simple in structure, easily fabricated molding, drop
The low manufacturing cost of the blade of a sword iron 21;On the other hand, the whole height for reducing the moving-iron receiver 100 is conducive to institute
The development for stating the slimming of moving-iron receiver 100 improves the market competitiveness of the moving-iron receiver 100.
The two panels permanent magnet 23 is contained in the accommodating space 22, and one in the two panels permanent magnet 23 is fixed on institute
It states on the second matrix 120, the two panels is fixed on the lower surface of the blade of a sword iron 21, the two panels permanent magnetism with another in magnet
A stable magnetic circuit is formed between body 23.The two panels permanent magnet 23 is located at the blade of a sword iron 21, the third side wall 121 and institute
In the magnetic conductive loop for stating the closed ring of the second matrix 120 formation so that the magnetic circuit that the two panels permanent magnet 23 is formed is added
By force.
The coil 24 is cyclic structure, and the centre of the coil 24 is provided with through-hole, and the coil 24 is located at described two
The side of piece permanent magnet 23, the coil 24 are the carrier of electric current.
The reed 25 includes vibration section 251, fixed part 250 and the connection vibration section 251 and the fixed part 250
Interconnecting piece 252, the vibration section 251 are described across the through-hole of the coil 24 is suspended on the two panels permanent magnet 23
Fixed part 250 is bonded and is fixed on the upper surface of the blade of a sword iron 21, and the interconnecting piece 252 is located at two extensions of the blade of a sword iron 21
Between portion 211, when the reed 25 is under silent status, the vibration section 251 and the fixed part 250 are substantially parallel.It is described
The width of vibration section 251 is of same size with the interconnecting piece 252, the width elder generation of the fixed part 250 and the interconnecting piece 252
It is of same size, then become larger from the direction far from the interconnecting piece 252, the width of the last interconnecting piece 252 is kept
It is constant.The reed 25 is made by the material of high permeability, for example by nickel (Ni, Nickel), niobium (Nb, Niobium), carbon (C,
Carbon) and iron (Fe, Ferrum) composition alloy material, using pressing and bending technological forming be made.
The vibrating diaphragm component 3 is located at the top of the blade of a sword iron 21, be located at the blade of a sword iron 21 and first matrix 110 it
Between, the vibrating diaphragm component 3 includes vibrating diaphragm holder 31, film 32 and the piece 33 that shakes.
The vibrating diaphragm holder 31 is the cyclic annular rectangular configuration that centre is opening, and the vibrating diaphragm holder 31 is used to support described thin
Film 32 and the piece 33 that shakes mutually are consolidated with the first side wall 111 of the upper shell 11 with the second sidewall 112 between the vibrating diaphragm
It is fixed.
The film 32 is extended with protrusion 321, described raised 321 as one end open towards the direction far from the blade of a sword iron 21
Semi-surrounding structure offers first through hole 322 on the film 32, and the first through hole 322 is located on the film 32 and institute
Being open on the opposite other end for protrusion 321 is stated, the film 32 is located at the top of the vibrating diaphragm holder 31, and is located on described
The lower section of card convex 115 on shell 11.
The film 32 can be polyester film 32, silica gel thin film 32 etc., when film 32 preferable using temperature characterisitic,
The film 32 can improve the dynamic iron in the production process of the moving-iron receiver 100 directly by solder reflow device
The automated production degree of receiver 100, and then improve the production efficiency of the moving-iron receiver 100.
The piece 33 that shakes is located in the protrusion 321 of the film 32, corresponding with first through hole 322 on the piece 33 that shakes
Position offers the second through-hole 331.The thin and thick of the piece 33 that shakes is uniform, can reach more preferable in acoustics consistency, acoustic pressure etc.
Effect.The piece 33 that shakes is made of almag, stainless steel or nickel, almag, stainless steel or nickel material the piece 33 that shakes
Rigidity it is more preferable than the rigidity of the piece 33 that shakes of existing aluminium material, also show more prominent in the high frequency ductility of sound.
In some embodiments, the piece 33 that shakes can also use other metals, alloy, ceramics or new material etc..
One end of the connecting rod 4 is fixed on the vibration section 251 of the reed 25, and the other end of the connecting rod 4 passes through institute
It states the short slot 213 of blade of a sword iron 21 and is connected respectively with the film 32 and the piece 33 that shakes by the first through hole 322 and the through-hole.
It is understood that in some other embodiment, the holding section 113 can be set to the lower housing 12
On, specifically, being extended towards the upper shell 11 by the upper table of the third side wall 121 of the lower housing 12, the clamping
The quantity of portion 113 and the card slot 212 can also be adjusted optionally, for example four, six, eight or other even numbers.
It is understood that in some other embodiment, the limiting section 114 can also be arranged in the lower housing 12
On, specifically, being extended towards the upper shell 11 by the 4th side wall 122.
When do not have in coil 24 tone currents by when, perseverance that the vibration section 251 of reed 25 is provided in two panels permanent magnet 23
Equilibrium state is in fixed-field;When being connected with audible communication electric current in coil 24, coil 24 generates variation because of the electric current of variation
Lorentz force, vibration section 251 moves back and forth under the driving of Lorentz force, passes through the film 32 that connecting rod 4 drives vibrating diaphragm component 3
With the 33 generation sound wave of reciprocating vibration of piece that shakes, to complete conversion of the electric signal to acoustical signal.
In conclusion the embodiment of the present invention has the advantages that:
1, one in the upper shell 11 and lower housing 12 of the invention is extended with holding section 113 to another, described
The outside of blade of a sword iron 21 is provided with card slot 212, and the blade of a sword iron 21 is between the upper shell 11 and the lower housing 12, the card
Slot 212 accommodates the holding section 113, realizes the lateral register of the blade of a sword iron 21, reduces when assembling the blade of a sword iron 21 to dress
The requirement of precision with jig improves the production cost and production efficiency of the moving-iron receiver 100;
2, compared with the blade of a sword iron 21 of ring seal structure in the prior art, the blade of a sword iron 21 is plate-like structure, a side
Face so that the structure of the blade of a sword iron 21 is simple, easily fabricated molding, reduces the manufacturing cost of the blade of a sword iron 21;On the other hand,
The whole height for reducing the moving-iron receiver 100 is conducive to the development of the slimming of the moving-iron receiver 100, improves
The market competitiveness of the moving-iron receiver 100.
It should be noted that the preferred embodiment of the present invention is given in the specification and its attached drawing of the present invention, still,
The present invention can be realized by many different forms, however it is not limited to this specification described embodiment, these embodiments
Not as the additional limitation to the content of present invention, purpose of providing these embodiments is makes understanding to the disclosure
It is more thorough and comprehensive.Also, above-mentioned each technical characteristic continues to be combined with each other, and forms the various embodiments not being enumerated above,
It is considered as the range of description of the invention record;It further, for those of ordinary skills, can be according to the above description
It is improved or converted, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of moving-iron receiver, which is characterized in that including:
Shell, the shell include upper shell and lower housing, and the upper shell and lower housing, which mutually fasten, forms receiving space, institute
It states one in upper shell and lower housing and is extended with holding section to another;
Motor sub-assembly is contained in the receiving space, and the motor sub-assembly includes blade of a sword iron, and the blade of a sword iron is in tabular, the blade of a sword
Card slot is provided on the outside of iron, for the blade of a sword iron between the upper shell and the lower housing, the card slot accommodates the card
Portion is held, to position the blade of a sword iron.
2. moving-iron receiver according to claim 1, which is characterized in that the blade of a sword iron includes main part, from the main body
The quantity of two extensions that the side relative spacing in portion extends, the card slot is two, is respectively arranged on described two extensions
On, the quantity of the holding section is also corresponding to be set as two.
3. moving-iron receiver according to claim 2, which is characterized in that short slot is provided on the main part, it is described to lack
One to another in the opposite sides of the main part, the upper shell and the lower housing of slot and the extending part
It is extended with limiting section, the limiting section is contained in the short slot.
4. moving-iron receiver according to claim 3, which is characterized in that the motor sub-assembly further includes two panels permanent magnet,
The blade of a sword iron and the lower housing constitute the magnetic conductive loop of ring seal, and the blade of a sword iron and the lower housing surround to form accommodating sky
Between, the two panels permanent magnet is contained in the accommodating space, and one in the two panels permanent magnet is fixed on the lower housing,
Another in the two panels permanent magnet is bonded and is fixed on the lower surface of the blade of a sword iron.
5. moving-iron receiver according to claim 4, which is characterized in that the motor sub-assembly further includes reed, the spring
Piece includes being arranged in parallel and at interval vibration section and fixed part, and connect the interconnecting piece of the vibration section and the fixed part,
The vibration section is suspended between the two panels permanent magnet, the fixed part fitting and the upper surface for being fixed on the blade of a sword iron.
6. moving-iron receiver according to claim 5, which is characterized in that the connecting portion in described two extensions it
Between.
7. moving-iron receiver according to claim 6, which is characterized in that the moving-iron receiver further include be contained in it is described
The vibrating diaphragm component and connecting rod of receiving space, the vibrating diaphragm component are located at the top of the blade of a sword iron, and one end of the connecting rod is fixed on
On the vibration section, the other end is fixed on across the short slot on the vibrating diaphragm component.
8. moving-iron receiver according to claim 7, which is characterized in that the vibrating diaphragm component includes the vibrating diaphragm of cyclic structure
The side wall of holder, the upper shell is provided with card convex, and the card convex is located at the top of the vibrating diaphragm holder, and institute is fixed for clamping
State vibrating diaphragm holder.
9. moving-iron receiver according to claim 7, which is characterized in that the vibrating diaphragm component further includes film and shakes piece,
The film is located at the top of the vibrating diaphragm holder, and the film is extended with protrusion towards the direction far from the blade of a sword iron, described convex
The semi-surrounding structure for one end open is played, the piece that shakes is located in the protrusion.
10. moving-iron receiver according to claim 9, which is characterized in that one end of the film offers first through hole,
The on piece of shaking position corresponding with the first through hole is equipped with the second through-hole, and the first through hole is used for second through-hole
It is connect with connecting rod.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810472915.0A CN108696810A (en) | 2018-05-17 | 2018-05-17 | A kind of moving-iron receiver |
| PCT/CN2018/098939 WO2019218494A1 (en) | 2018-05-17 | 2018-08-06 | Moving iron receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810472915.0A CN108696810A (en) | 2018-05-17 | 2018-05-17 | A kind of moving-iron receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108696810A true CN108696810A (en) | 2018-10-23 |
Family
ID=63847617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810472915.0A Pending CN108696810A (en) | 2018-05-17 | 2018-05-17 | A kind of moving-iron receiver |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108696810A (en) |
| WO (1) | WO2019218494A1 (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206402435U (en) * | 2016-11-29 | 2017-08-11 | 深圳倍声声学技术有限公司 | Moving-iron receiver |
| US20170244309A1 (en) * | 2016-02-24 | 2017-08-24 | Rion Co., Ltd. | Electromechanical transducer |
| CN107135449A (en) * | 2017-05-27 | 2017-09-05 | 苏州亿欧得电子有限公司 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
| CN208112951U (en) * | 2018-05-17 | 2018-11-16 | 深圳倍声声学技术有限公司 | A kind of moving-iron receiver |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106412779A (en) * | 2016-06-24 | 2017-02-15 | 苏州亿欧得电子有限公司 | Novel E-iron structure of moving-iron receiver |
| CN205902071U (en) * | 2016-08-17 | 2017-01-18 | 苏州恒听电子有限公司 | Move indisputable unit and contain its receiver with E type armature |
| CN207022204U (en) * | 2017-06-02 | 2018-02-16 | 苏州亿欧得电子有限公司 | A kind of moving-iron receiver with new vibrating diaphragm support |
-
2018
- 2018-05-17 CN CN201810472915.0A patent/CN108696810A/en active Pending
- 2018-08-06 WO PCT/CN2018/098939 patent/WO2019218494A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170244309A1 (en) * | 2016-02-24 | 2017-08-24 | Rion Co., Ltd. | Electromechanical transducer |
| CN206402435U (en) * | 2016-11-29 | 2017-08-11 | 深圳倍声声学技术有限公司 | Moving-iron receiver |
| CN107135449A (en) * | 2017-05-27 | 2017-09-05 | 苏州亿欧得电子有限公司 | A kind of moving-iron receiver with New Magnetic Field Controlled guide structure |
| CN208112951U (en) * | 2018-05-17 | 2018-11-16 | 深圳倍声声学技术有限公司 | A kind of moving-iron receiver |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019218494A1 (en) | 2019-11-21 |
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Application publication date: 20181023 |