CN103067807B - Low-frequency ultra-thin telephone receiver - Google Patents
Low-frequency ultra-thin telephone receiver Download PDFInfo
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- CN103067807B CN103067807B CN201210569251.2A CN201210569251A CN103067807B CN 103067807 B CN103067807 B CN 103067807B CN 201210569251 A CN201210569251 A CN 201210569251A CN 103067807 B CN103067807 B CN 103067807B
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- 229910045601 alloy Inorganic materials 0.000 claims abstract description 14
- 239000000956 alloy Substances 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 230000001755 vocal effect Effects 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 4
- 238000013016 damping Methods 0.000 claims description 3
- 238000010147 laser engraving Methods 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 15
- 238000003466 welding Methods 0.000 description 5
- 238000005728 strengthening Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 229910000926 A-3 tool steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
Abstract
The invention discloses a low-frequency ultra-thin telephone receiver. A driving mechanism of the low-frequency ultra-thin telephone receiver comprises an armature section and a coil section, wherein the armature section is E-shaped and comprises a base portion, two wing portions and a middle portion, the base portion, the two wing portions and the middle portion are formed in an integrated mode, the middle portion comprises a root part located on the base portion, the root part extends forward to form a vibrating diaphragm part, at least one through hole is formed in the vibrating diaphragm part, and the coil section is arranged on the root part in a sleeved mode at intervals. A shell of the low-frequency ultra-thin telephone receiver comprises an upper shell and a lower shell, wherein the upper shell is arranged at the top of the driving mechanism in a covered mode, and comprises a cover plate and cover edges which are formed by extending downward from the periphery of the cover plate, a first magnet is fixedly connected to a section, covered at the top of the vibrating diaphragm part, of the inner wall of the cover plate, the upper shell is made of magnetically soft alloy, the lower shell is arranged at the bottom of the driving mechanism in a covered mode relative to the upper shell, a second magnet is fixedly connected to the inner wall of the lower shell relative to the first magnet, the lower shell is made of magnetically soft alloy, and a sounding hole is formed in the upper shell or the lower shell. According to the low-frequency ultra-thin telephone receiver, the low-frequency output can be enhanced, and the thickness of an existing telephone receiver is reduced to the largest extent.
Description
Technical field
The present invention relates to a kind of receiver, particularly a kind of low-frequency ultra-thin telephone receiver.
Background technology
Receiver, also known as receiver, is a kind of electro-acoustic element audio electrical signal being converted to voice signal under voiceless sound leak condition, is widely used in the communication terminal devices such as mobile phone, landline telephone, earphone, realizes audio frequency, as the output of voice and music etc.
And along with mobile phone telephony make rapid progress development, higher technical requirement be it is also proposed to the receiver for mobile phone.Enter 21st century, particularly in recent years, mobile phone has entered into the epoch of smart mobile phone.All manipulations of smart mobile phone are all come by screen, and the operation of touch-control also instead of the operation of traditional physical button, therefore, correspondingly also more and more higher to the requirement of screen.
Present cell phone manufacturer is experienced to make user can obtain best manipulation, and what all started screen to do is increasing, and maximum screen has exceeded 5 inches.But while adding large-screen, it is excessive that the volume for mobile phone can not do again, because user just cannot hold with one hand go forward side by side line operate and call like this, a lot of inconvenience can be brought to the use of user.Therefore, mobile phone carries out researching and developing and producing towards narrow frame or close to the direction of " Rimless " with regard to starting by Ge great cell phone manufacturer.
Like this, volume for the receiver be originally arranged between frame and screen is just had higher requirement, and existing receiver is mainly by driving mechanism, the compositions such as shell, this driving mechanism includes armature again, iron core, coil, upper lower magnet, vibrating diaphragm, vibrating diaphragm support etc., this wherein, coil and iron core arrangement are placed on armature and form one deck, upper lower magnet is installed in iron core, driving mechanism is constituted after another layer that this layer and vibrating diaphragm and vibrating diaphragm support form superposes, 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 receiver thinning to greatest extent for thickness.And in order to meet the pursuit of certain customers to low frequency, also need a kind of receiver with low frequency characteristic.
Summary of the invention
Object of the present invention is exactly for the problems referred to above, provides a kind of low frequency type and ultra-thin receiver, and it can strengthen the output of low frequency and realize thinning to greatest extent to the thickness of existing receiver.
To achieve these goals, the invention provides following technical scheme: low-frequency ultra-thin telephone receiver, comprise housing, driving mechanism and circuit board, driving mechanism comprises: armature portion, it is E shape tabular, and this armature portion comprises integrated base portion, two flank section and pars intermedia, and this pars intermedia comprises the root be positioned on base portion, this root extends to form forward vibrating diaphragm portion, and this vibrating diaphragm portion offers at least one through hole; Coil portion, is sheathed on root with gap; Housing comprises: upper shell, be covered on the top of driving mechanism, the cover rim that this upper shell comprises cover plate and extends to form downwards along cover plate surrounding, the inwall being covered in one section of cover plate at top, vibrating diaphragm portion is fixedly connected with one first magnet, and this upper shell is made up of magnetically soft alloy; Lower house, is covered on the bottom of driving mechanism relative to upper shell, the inwall of this lower house is fixedly connected with one second magnet relative to the first magnet, and this lower house is made up of magnetically soft alloy;
Above-mentioned upper shell or lower house also offer a vocal hole.
Further, the both side ends of above-mentioned coil portion is fixedly connected with two flank section respectively.
Further, above-mentioned upper shell is fixedly connected with flank section with base portion, and this base portion and flank section are fixedly connected with above-mentioned lower house again.
Further, above-mentioned upper shell comprises: the first upper casing, and be covered on the top that vibrating diaphragm portion and two flank section are positioned at the part on both sides, vibrating diaphragm portion, the first magnet is fixedly connected on the inwall of this first upper casing; Second upper casing, is covered on coil portion, two flank section is positioned at the part on coil portion both sides and the top of base portion docking with 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, and be arranged between the first upper casing and the second upper casing and also dock with this first upper casing and the second upper casing respectively, the 3rd upper casing can also be made of either aluminum or copper.
Further, above-mentioned low-frequency ultra-thin telephone receiver also comprises a diaphragm, and one end of this diaphragm is covered on the position that the 3rd upper casing docks with the first upper casing, and its other end is layed in forward vibrating diaphragm portion and two flank section are positioned in the part on both sides, vibrating diaphragm portion.
Further, above-mentioned through hole is opened in the middle part in vibrating diaphragm portion.
Again further, above-mentioned through hole ovalize.
Further, above-mentioned through hole adopts punching press, etching or laser engraving technique to make.
Alternatively, above-mentioned through hole is also coated with damping screen.
The beneficial effect of above technical scheme is adopted to be:
1. the present invention has carried out the improvement for reduced thickness to the structure of original receiver and has strengthened the output of medium-high frequency, is specially: be provided with to comprise and double as the armature of vibrating diaphragm and the upper shell doubled as iron core and lower house; This armature is set to E shape and is plate, it comprises integrated base portion, two flank section and pars intermedia, this pars intermedia comprises the root be positioned on this base portion, this root extends to form forward vibrating diaphragm portion, the vibrating diaphragm of original independent setting is replaced with this vibrating diaphragm portion, coil is then sheathed on this root, thus eliminating original part superposing vibrating diaphragm and the vibrating diaphragm frame arranged with driving mechanism, thickness is reduced; This upper shell and lower house are made up of magnetically soft alloy, the cover rim that upper shell comprises cover plate and extends to form downwards along this cover plate surrounding, the inwall of one section of cover plate being covered in top, vibrating diaphragm portion is fixedly connected with one first magnet, lower house is covered on the bottom of driving mechanism relative to upper shell, the inwall of this lower house is fixedly connected with the second magnet relative to the first magnet, so just instead of original iron core and the combination of magnet with the form of shell, make thickness be reduced further like this; Vibrating diaphragm portion offers at least one through hole, and adding of through hole can allow air to flow to outflow in the inner chamber of receiver, increases the air capacity in inner chamber, reaches the effect strengthening low frequency and export;
2. in the further scheme of the present invention, upper shell is divided into two parts, and namely dock the first upper casing and second upper casing of setting, the first upper casing is arranged on the top in vibrating diaphragm portion, and the first magnet is then fixedly connected on the inwall of the first upper casing; Second upper casing is then arranged on the top of coil portion; Like this, the front cavity space on vibrating diaphragm can be made to be reduced, the effect of high frequency can be strengthened, obtain with the present invention that to make to obtain audio frequency effect together with low-frequency effect more comprehensive;
3. in the further scheme of the present invention, upper shell also comprises the 3rd upper casing, be arranged between above-mentioned first upper casing and the second upper casing and also dock with this first upper casing and the second upper casing respectively, one end of diaphragm is covered on position that above-mentioned 3rd upper casing docks with the first upper casing, its other end is layed in forward vibrating diaphragm portion and two flank section are positioned in the part on these both sides, vibrating diaphragm portion, can effectively seal like this to ante-chamber.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of low-frequency ultra-thin telephone receiver of the present invention side-looking angle in the present embodiment;
Fig. 2 is the sectional structure schematic diagram of low-frequency ultra-thin telephone receiver of the present invention depression angle in the present embodiment;
Fig. 3 is the coil portion of low-frequency ultra-thin telephone receiver of the present invention and the armature portion structural representation of depression angle under assembled state in the present embodiment;
Fig. 4 is the upper shell of low-frequency ultra-thin telephone receiver of the present invention and the first magnet structural representation of depression angle under assembled state in the present embodiment;
Fig. 5 is the structural representation of the upper shell side-looking angle in the present embodiment of low-frequency ultra-thin telephone receiver of the present invention;
Fig. 6 is the lower house of low-frequency ultra-thin telephone receiver of the present invention and the second magnet structural representation of depression angle under assembled state in the present embodiment.
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 portion 316. groove 317. through hole 4. coil portion 51. circuit board 52. welding stage.
Embodiment
The preferred embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Embodiment 1
As shown in figures 1 to 6, low-frequency ultra-thin telephone receiver in the present embodiment comprises housing 1, driving mechanism and circuit board 51, driving mechanism comprises: armature portion 31, it is E shape and is plate, 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, this pars intermedia comprises the root 314 be positioned on base portion 311, this root 314 extends to form forward vibrating diaphragm portion 315, armature portion 31 can adopt magnetically soft alloy to make, vibrating diaphragm portion 315 also offers a through hole 317, air can be allowed like this in the inner chamber of receiver to flow to outflow, increase the air capacity in inner chamber, reach the effect strengthening low frequency and export, the quantity of through hole 317 also can be offered as more than one according to process requirements, coil portion 4, be sheathed on root 314 with gap, it does not contact with root 314, and coil portion 4 has two start lines and terminated line to be electrically connected with the both positive and negative polarity of circuit board 51 respectively, is namely connected on welding stage 52, housing 1 comprises: upper shell 11, be covered on the top of driving mechanism, the cover rim that this upper shell 11 comprises cover plate and extends to form downwards along this cover plate surrounding, the inwall being covered in one section of cover plate at top, vibrating diaphragm portion 315 is fixedly connected with one first magnet 21, this is fixedly connected with mode can adopt the mode of pasting and connecting, upper shell 11 is made up of magnetically soft alloy, which employs the material similar with iron core in prior art, lower house 12 is covered on the bottom of driving mechanism relative to upper shell 11, the inwall of this lower house 12 is fixedly connected with one second magnet 22 relative to the first magnet 21, this is fixedly connected with mode can adopt the mode of pasting and connecting, this lower house 12 is also be made up of magnetically soft alloy, which employs the material similar with iron core in prior art, in order to the effect of alternative iron core together with upper shell 11, upper shell 11 also offers a vocal hole 114, this vocal hole 114 is the recess being opened in upper shell 11 side in the present embodiment, can certainly offer groove, on other positions that also can be opened in upper shell 11 or lower house 12.
As Figure 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, is connected respectively in the both side ends of coil portion 5 with the property of a solder joint with the first flank section 312 and the second flank section 313.
As shown in Figure 1-2, above-mentioned upper shell 11 is fixedly connected with the second flank section 313 with base portion 311, first flank section 312, and the mode of being fixedly connected with can adopt the mode of welding, can arrange multiple solder joint to connect on above-mentioned position; Base portion 311, first flank section 312 is fixedly connected with lower house 12 again with the another side of the second flank section 313, is fixedly connected with the mode that mode also can adopt welding, also can arranges multiple solder joint to connect on above-mentioned position.
As shown in Figure 2, Figure 4 shows, above-mentioned upper shell 11 comprises: the first upper casing 111, it is covered on the top that vibrating diaphragm portion 315 and the first flank section 312 and the second flank section 313 are positioned at the part on both sides, vibrating diaphragm portion 315, first magnet 21 is fixedly connected on the inwall of the first upper casing 111, therefore this first upper casing 111 specifically can the first half of instead iron core effect, forms the structure replacing iron core together with lower house 12; Second upper casing 112, be covered on coil portion 4, first flank section 312 and the second flank section 313 is 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 interface separately, docked by interface, this second upper casing 112, except said magnetically soft alloy above, can also be become by iron or copper, its can not instead iron core part and just as a screening can.
As shown in Figure 2, Figure 4 shows, 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 also docks with this first upper casing 111 and the second upper casing 112 respectively, specifically before and after it, two sides is all set to interface, docked with the first upper casing 111 and the second upper casing 112 by interface, 3rd upper casing 113 is except said magnetically soft alloy above, can also be become by iron or copper, its can not instead iron core part and just as a screening can.
Above-mentioned ultra-thin telephone receiver also comprises a diaphragm (not shown), one end of this diaphragm is covered on position that the 3rd upper casing 113 docks with the first upper casing 111, its other end is layed in forward vibrating diaphragm portion 315 and the first flank section 312 and the second flank section 313 and is positioned in the part on these both sides, vibrating diaphragm portion 315, play airtight effect to ante-chamber, this diaphragm can adopt some known plastic films to implement.
As shown in Figure 2 and Figure 3, above-mentioned through hole 317 is opened in the middle part in vibrating diaphragm portion 315, and the position of through hole 317 also can be selected out on other positions in vibrating diaphragm portion 315 beyond middle part.
As shown in Figure 2 and Figure 3, above-mentioned through hole 317 ovalize, can certainly select circle, rectangle and polygon to replace.
Above-mentioned through hole 317 can adopt punching press, etching or laser engraving technique to make, and preferably can adopt the technique of punching press or etching to process.
As shown in Figure 3, the dual-side between root 314 and vibrating diaphragm portion 315 on position offers two grooves 316, and this groove 316 is oppositely arranged, and can lower the hardness in vibrating diaphragm portion 315 so further, and its oscillating region is expanded.
Above-mentioned magnetically soft alloy can select A3 steel, permalloy or soft iron.
Each gap reserved between all parts after above-mentioned each assembling parts all should use airtight technology to seal.
Above-mentioned lower house 12 also can copy the structure of upper shell 11 to make segmented, makes multistage housing carry out assembled with different or identical material.
Above-mentioned upper shell 11 and lower house 12 are all implement with the shape of rectangle in the present embodiment, certainly need also can be made into the shape such as circle, polygon according to different technique.
Embodiment 2
Other are identical with content described in embodiment 1, and difference is: above-mentioned through hole 317 can also be coated with damping screen, can eliminate issuable phenomenon of uttering long and high-pitched sounds.
Introduce operation principle of the present invention below:
Original vibrating diaphragm and armature portion are all merged into present armature portion 31, armature portion 31 is plate, the root 314 of intermediate portion is for gap coiling 4, the vibrating diaphragm portion 315 of the part that root 314 extends forward alternatively existing vibrating diaphragm, so first have compressed 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 and is divided into upper shell 11 assembled up and down and lower house 12, first magnet 21 and the second magnet 22 are relatively arranged on the inwall of upper shell 11 and lower house 12 respectively, like this by the space that have compressed original iron core and occupy; Vibrating diaphragm portion 315 offers at least one through hole 317, and adding of through hole 317 can allow air to flow to outflow in the inner chamber of receiver, increases the air capacity in inner chamber, reaches the effect strengthening low frequency and export.When starting working, circuit board 31 is to coil 4 input electrical signal, electromagnetic induction effect is produced by coil 4, thus generation alternating magnetic field, alternating magnetic field can magnetize the armature portion 31 being placed in coil 4, armature portion 31 can according to " homopolar-repulsion, heteropole is attracting " principle and the first magnet 21 and the second magnet 22 produce push-and-pull action power, thus drive vibrating diaphragm portion 315 to vibrate, the vibrating diaphragm not offering through hole that vibrating diaphragm portion 315 vibrates because the effect of through hole 317 is more traditional can allow air to flow to outflow in the inner chamber of receiver, increase the air capacity in inner chamber, thus produce the sound of low frequency enhancing and export from vocal hole 316.
The beneficial effect of above technical scheme is adopted to be:
1. the present invention has carried out the improvement for reduced thickness to the structure of original receiver and has strengthened the output of medium-high frequency, is specially: be provided with to comprise and double as the armature of vibrating diaphragm and the upper shell doubled as iron core and lower house; This armature is set to E shape and is plate, it comprises integrated base portion, two flank section and pars intermedia, this pars intermedia comprises the root be positioned on this base portion, this root extends to form forward vibrating diaphragm portion, the vibrating diaphragm of original independent setting is replaced with this vibrating diaphragm portion, coil is then sheathed on this root, thus eliminating original part superposing vibrating diaphragm and the vibrating diaphragm frame arranged with driving mechanism, thickness is reduced; This upper shell and lower house are made up of magnetically soft alloy, the cover rim that upper shell comprises cover plate and extends to form downwards along this cover plate surrounding, the inwall of one section of cover plate being covered in top, vibrating diaphragm portion is fixedly connected with one first magnet, lower house is covered on the bottom of driving mechanism relative to upper shell, the inwall of this lower house is fixedly connected with the second magnet relative to the first magnet, so just instead of original iron core and the combination of magnet with the form of shell, make thickness be reduced further like this; Vibrating diaphragm portion offers at least one through hole, and adding of through hole can allow air to flow to outflow in the inner chamber of receiver, increases the air capacity in inner chamber, reaches the effect strengthening low frequency and export;
2. in the further scheme of the present invention, upper shell is divided into two parts, and namely dock the first upper casing and second upper casing of setting, the first upper casing is arranged on the top in vibrating diaphragm portion, and the first magnet is then fixedly connected on the inwall of the first upper casing; Second upper casing is then arranged on the top of coil portion; Like this, the front cavity space on vibrating diaphragm can be made to be reduced, the effect of high frequency can be strengthened, obtain with the present invention that to make to obtain audio frequency effect together with low-frequency effect more comprehensive;
3. in the further scheme of the present invention, upper shell also comprises the 3rd upper casing, be arranged between above-mentioned first upper casing and the second upper casing and also dock with this first upper casing and the second upper casing respectively, one end of diaphragm is covered on position that above-mentioned 3rd upper casing docks with the first upper casing, its other end is layed in forward vibrating diaphragm portion and two flank section are positioned in the part on these both sides, vibrating diaphragm portion, can effectively seal like this to ante-chamber.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, and without departing from the concept of the premise of the invention, can also make some distortion and improvement, these all belong to protection scope of the present invention.
Claims (10)
1. low-frequency ultra-thin telephone receiver, comprises housing, driving mechanism and circuit board, it is characterized in that:
Described driving mechanism comprises: armature portion, it is E shape tabular, described armature portion comprises integrated base portion, two flank section and pars intermedia, described pars intermedia comprises the root be positioned on described base portion, described root extends to form forward vibrating diaphragm portion, and described vibrating diaphragm portion offers at least one through hole; Coil portion, is sheathed on described root with gap;
Described housing comprises: upper shell, be covered on the top of described driving mechanism, the cover rim that described upper shell comprises cover plate and extends to form downwards along described cover plate surrounding, the inwall being covered in one section of cover plate at top, described vibrating diaphragm portion is fixedly connected with one first magnet, and described upper shell is made up of magnetically soft alloy; Lower house, be covered on the bottom of described driving mechanism relative to described upper shell, the inwall of described lower house is fixedly connected with one second magnet relative to described first magnet, and described lower house is made up of magnetically soft alloy;
Described upper shell or lower house also offer a vocal hole.
2. low-frequency ultra-thin telephone receiver according to claim 1, is characterized in that: the both side ends of described coil portion is fixedly connected with described two flank section respectively.
3. low-frequency ultra-thin telephone receiver according to claim 1, is characterized in that: described upper shell is fixedly connected with flank section with described base portion, and described base portion and flank section are fixedly connected with described lower house again.
4. the low-frequency ultra-thin telephone receiver according to claim 1 or 3, it is characterized in that: described upper shell comprises: the first upper casing, be covered on the top that described vibrating diaphragm portion and described two flank section are positioned at the part on both sides, described vibrating diaphragm portion, described first magnet is fixedly connected on the inwall of described first upper casing; Second upper casing, is covered on described coil portion, described two flank section is positioned at the part on described coil portion both sides and the top of described base portion docking with described first upper casing, and described second upper casing can also be become by iron or copper.
5. low-frequency ultra-thin telephone receiver according to claim 4, it is characterized in that: described upper shell also comprises the 3rd upper casing, be arranged between described first upper casing and the second upper casing and also dock with described first upper casing and the second upper casing respectively, described 3rd upper casing can also be become by iron or copper.
6. low-frequency ultra-thin telephone receiver according to claim 5, it is characterized in that: described low-frequency ultra-thin telephone receiver also comprises a diaphragm, one end of described diaphragm is covered on position that described 3rd upper casing docks with described first upper casing, and its other end is layed in forward described vibrating diaphragm portion and described two flank section are positioned in the part on both sides, described vibrating diaphragm portion.
7. low-frequency ultra-thin telephone receiver according to claim 1, is characterized in that: described through hole is opened in the middle part in described vibrating diaphragm portion.
8. low-frequency ultra-thin telephone receiver according to claim 1, is characterized in that: described through hole ovalize.
9. low-frequency ultra-thin telephone receiver according to claim 1, is characterized in that: described through hole adopts punching press, etching or laser engraving technique to make.
10. low-frequency ultra-thin telephone receiver according to claim 1, is characterized in that: described through hole is also coated with damping screen.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569251.2A CN103067807B (en) | 2012-12-25 | 2012-12-25 | Low-frequency ultra-thin telephone receiver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210569251.2A CN103067807B (en) | 2012-12-25 | 2012-12-25 | Low-frequency ultra-thin telephone receiver |
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| CN103067807A CN103067807A (en) | 2013-04-24 |
| CN103067807B true CN103067807B (en) | 2014-12-24 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067806B (en) * | 2012-12-25 | 2015-04-15 | 苏州恒听电子有限公司 | Ultra-thin telephone receiver |
| CN103747383A (en) * | 2013-12-27 | 2014-04-23 | 苏州恒听电子有限公司 | Novel receiver |
| CN106293444B (en) | 2015-06-25 | 2020-07-03 | 小米科技有限责任公司 | Mobile terminal, display control method and device |
| CN108055630A (en) * | 2017-11-24 | 2018-05-18 | 苏州逸巛声学科技有限公司 | A kind of receiver and its assembly method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4126769A (en) * | 1976-10-11 | 1978-11-21 | Microtel B.V. | Moving armature transducer with reinforced and pivoted diaphragm |
| CN102187689A (en) * | 2008-08-29 | 2011-09-14 | 宾夕法尼亚州研究基金会 | Methods and apparatus for reduced distortion balanced armature devices |
| CN102355617A (en) * | 2011-08-15 | 2012-02-15 | 苏州恒听电子有限公司 | Moving-iron unit for loudspeaking device |
| CN203027429U (en) * | 2012-12-25 | 2013-06-26 | 苏州恒听电子有限公司 | Ultrathin low-frequency telephone receiver |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7869610B2 (en) * | 2005-11-30 | 2011-01-11 | Knowles Electronics, Llc | Balanced armature bone conduction shaker |
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2012
- 2012-12-25 CN CN201210569251.2A patent/CN103067807B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4126769A (en) * | 1976-10-11 | 1978-11-21 | Microtel B.V. | Moving armature transducer with reinforced and pivoted diaphragm |
| CN102187689A (en) * | 2008-08-29 | 2011-09-14 | 宾夕法尼亚州研究基金会 | Methods and apparatus for reduced distortion balanced armature devices |
| CN102355617A (en) * | 2011-08-15 | 2012-02-15 | 苏州恒听电子有限公司 | Moving-iron unit for loudspeaking device |
| CN203027429U (en) * | 2012-12-25 | 2013-06-26 | 苏州恒听电子有限公司 | Ultrathin low-frequency telephone receiver |
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| CN103067807A (en) | 2013-04-24 |
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