CN204131720U - Loud speaker and electronic equipment - Google Patents
Loud speaker and electronic equipment Download PDFInfo
- Publication number
- CN204131720U CN204131720U CN201420568177.7U CN201420568177U CN204131720U CN 204131720 U CN204131720 U CN 204131720U CN 201420568177 U CN201420568177 U CN 201420568177U CN 204131720 U CN204131720 U CN 204131720U
- Authority
- CN
- China
- Prior art keywords
- magnetic
- loud speaker
- ironware
- voice coil
- rare
- 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
Abstract
The utility model is about a kind of loud speaker and electronic equipment, relates to equipment technical field of raising one's voice, and main purpose is to make this loud speaker both can realize lightening and highly sensitive requirement, and cost is also lower.The technical scheme of main employing is: loud speaker, comprises strutting piece, vibrating membrane, magnet assemblies and voice coil loudspeaker voice coil; Vibrating membrane can be installed on strutting piece quiveringly, and vibrating membrane is configured to occur to vibrate and radiation sound by driving; Magnet assemblies is arranged at strutting piece, and magnet assemblies is formed with magnetic gap, and magnetic gap is positioned at the side of vibrating membrane; Magnet assemblies comprises ferrite magnetic ironware and Rare-Earth Magnetic ironware, and ferrite magnetic ironware is contrary with the magnetic of Rare-Earth Magnetic ironware, ferrite magnetic ironware and formed the between the two line of magnetic induction of Rare-Earth Magnetic ironware at least partially through magnetic gap; Voice coil loudspeaker voice coil is arranged at vibrating membrane, voice coil loudspeaker voice coil be configured in magnetic gap at least partially.The loud speaker of the utility model embodiment is mainly used in TV, mobile phone, panel computer or notebook computer etc.
Description
Technical field
The utility model relates to equipment technical field of raising one's voice, and particularly relates to a kind of loud speaker and applies the electronic equipment of this loud speaker.
Background technology
In recent years, in portable information processing device, particularly the miniaturization of the body such as mobile phone, panel computer and slimming develop just increasingly, and on the other hand, carry camera or with the maximization of the multifunction of stereo incoming call music etc. of resetting and liquid crystal panel also just at development.Therefore, be more and more difficult at the internal body of mobile phone or panel computer etc. the installing space ensureing loud speaker, make loud speaker also be tending towards lightening gradually; And along with the development gradually of portable information processing device, user is also more and more higher for the sensitivity requirement of loud speaker.
At present, in order to improve the sensitivity of loud speaker, traditional ferrite speaker generally comprises the first ferrite magnetic ironware and the second ferrite magnetic ironware, traditional ferrite speaker also has magnetic gap, the magnetic of the first ferrite magnetic ironware and the second ferrite magnetic ironware is contrary, first ferrite magnetic ironware and the second ferrite magnetic ironware cooperatively interact and the line of magnetic induction formed between the two at least partially through aforesaid magnetic gap, thus the magnetic flux density in magnetic gap is increased, the sensitivity of loud speaker also can be improved thereupon.But, because the volume of ferrite magnetic ironware is larger, two ferrite magnetic ironwares (the first ferrite magnetic ironware, the second ferrite magnetic ironware) are although can make the sensitivity of loud speaker be improved, but the volume of loud speaker is corresponding increase also, the requirement that loud speaker is lightening can not be met.
On the other hand, along with rare-earth magnet is used widely, rare-earth magnet has the advantage that volume is little, lightweight and magnetic is strong, Rare-Earth Magnetic ironware can be adopted in prior art to replace aforesaid ferrite magnetic ironware, and the loud speaker made like this can meet lightening and highly sensitive requirement simultaneously.But, because the cost of rare-earth magnet is too high, if aforesaid two ferrite magnetic ironwares all adopt rare-earth magnet to replace, the holistic cost of loud speaker can be made greatly to improve, be not suitable for large-scale popularization.
Utility model content
In view of this, the utility model provides a kind of loud speaker, and main purpose is to make this loud speaker both can realize lightening and highly sensitive requirement, and cost is also lower.
Another object of the present utility model is to provide a kind of electronic equipment applying above-mentioned loud speaker.
For achieving the above object, the utility model mainly provides following technical scheme:
On the one hand, embodiment of the present utility model provides a kind of loud speaker, comprising:
Strutting piece;
Vibrating membrane, can be installed on described strutting piece quiveringly, and described vibrating membrane is configured to occur to vibrate and radiation sound by driving;
Magnet assemblies, is arranged at described strutting piece, and described magnet assemblies is formed with magnetic gap, and described magnetic gap is positioned at the side of described vibrating membrane; Described magnet assemblies comprises ferrite magnetic ironware and Rare-Earth Magnetic ironware, described ferrite magnetic ironware is contrary with the magnetic of described Rare-Earth Magnetic ironware, described ferrite magnetic ironware and formed the between the two line of magnetic induction of described Rare-Earth Magnetic ironware at least partially through described magnetic gap; And,
Voice coil loudspeaker voice coil, is arranged at described vibrating membrane, being configured at least partially in described magnetic gap of described voice coil loudspeaker voice coil.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Aforesaid loud speaker, described ferrite magnetic ironware is provided with the through hole run through;
Described magnet assemblies also comprises yoke, and described yoke comprises insertion section, and described through hole is passed in described insertion section, and and form described magnetic gap between the inwall of described through hole, described Rare-Earth Magnetic ironware is arranged at described insertion section.
Aforesaid loud speaker, also comprises speech coil framework, and described voice coil loudspeaker voice coil is sheathed on the outer surface of speech coil framework, and is configured in described magnetic gap by described speech coil framework.
Aforesaid loud speaker, described speech coil framework comprises first end and second end relative with described first end, described first end is connected with described vibrating membrane, described second end is provided with stopper slot, described stopper slot is configured to insert for described insertion section, and the cell wall of described stopper slot can slide relative to the outer surface of described insertion section;
Described second end comprises the sidewall forming described stopper slot, and described sidewall stretches in described magnetic gap, the outer surface being sheathed on described sidewall at least partially of described voice coil loudspeaker voice coil.
Aforesaid loud speaker, also comprises locating part, is arranged at described strutting piece, described locating part is provided with the spacing hole run through, described speech coil framework is through described spacing hole, and described spacing hole is configured to lead to described speech coil framework, and slidably reciprocates for the hole wall of described speech coil framework along described spacing hole.
Aforesaid loud speaker, described yoke is T iron.
On the other hand, embodiment of the present utility model also provides a kind of electronic equipment, comprising:
Aforesaid loud speaker described in any one; And,
The housing of loud speaker described in internal configurations.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Aforesaid electronic equipment, described electronic equipment is TV, mobile phone, panel computer or notebook computer.
By technique scheme, the utility model loud speaker and electronic equipment at least have following advantages:
Because magnet assemblies comprises ferrite magnetic ironware and Rare-Earth Magnetic ironware, ferrite magnetic ironware is contrary with the magnetic of Rare-Earth Magnetic ironware, ferrite magnetic ironware and formed the between the two line of magnetic induction of Rare-Earth Magnetic ironware at least partially through magnetic gap, thus the magnetic flux density in magnetic gap is increased, the sensitivity of loud speaker also can be improved thereupon, can meet the highly sensitive requirement of the utility model loud speaker; Simultaneously, relative to the magnet assemblies be made up of two ferrite magnetic ironwares of the prior art, the magnet assemblies be made up of ferrite magnetic ironware and Rare-Earth Magnetic ironware of the utility model loud speaker is because employ a Rare-Earth Magnetic ironware, the small volume of Rare-Earth Magnetic ironware, lightweight, make the overall volume of the magnet assemblies of the utility model loud speaker less, lighter in weight, thus the overall volume of the utility model loud speaker is also less, weight is also comparatively light, can meet the requirement that the utility model loud speaker is lightening.
In addition, relative to the magnet assemblies be made up of two Rare-Earth Magnetic ironwares of the prior art, the magnet assemblies be made up of ferrite magnetic ironware and Rare-Earth Magnetic ironware of the utility model loud speaker is because only employ a Rare-Earth Magnetic ironware, thus the cost of the magnet assemblies of the utility model loud speaker is lower, and then reduce the cost of the utility model loud speaker.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to better understand technological means of the present utility model, and can be implemented according to the content of specification, coordinates accompanying drawing to be described in detail as follows below with preferred embodiment of the present utility model.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of a kind of loud speaker that embodiment of the present utility model provides;
Fig. 2 is the structural representation of a kind of electronic equipment that embodiment of the present utility model provides.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined utility model object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the embodiment of the utility model application, structure, feature and effect thereof, be described in detail as follows.In the following description, the not necessarily same embodiment that different " embodiment " or " embodiment " refers to.In addition, special characteristic, structure or feature in one or more embodiment can be combined by any suitable form.
As shown in Figure 1, a kind of loud speaker 10 that an embodiment of the present utility model proposes, comprises strutting piece 1, vibrating membrane 2, magnet assemblies 3 and voice coil loudspeaker voice coil 4.
Vibrating membrane 2 can be installed on strutting piece 1 quiveringly, and strutting piece 1 pair of vibrating membrane 2 provides support, and vibration can occur and radiation sound after vibrating membrane 2 is driven.
Magnet assemblies 3 is arranged at strutting piece 1, and magnet assemblies 3 is formed with magnetic gap 30, and after " formation " herein refers to each parts in magnet assemblies 3 vibrational power flow according to setting, each parts in magnet assemblies 3 cooperatively interact and form magnetic gap 30." magnetic gap 30 " herein refers to magnetic circuit gap.Magnetic gap 30 is positioned at the side of vibrating membrane 2.
Magnet assemblies 3 comprises ferrite magnetic ironware 31 and Rare-Earth Magnetic ironware 32, ferrite magnetic ironware 31 is contrary with the magnetic of both Rare-Earth Magnetic ironwares 32, the line of magnetic induction that ferrite magnetic ironware 31 is formed between the two with Rare-Earth Magnetic ironware 32 at least partially through magnetic gap 30, thus the magnetic flux density in magnetic gap 30 is increased, the sensitivity of loud speaker 10 also can be improved thereupon, can meet the highly sensitive requirement of the utility model loud speaker 10.
Voice coil loudspeaker voice coil 4 is arranged at vibrating membrane 2, being configured at least partially in magnetic gap 30 of voice coil loudspeaker voice coil 4." setting " herein refers to that voice coil loudspeaker voice coil 4 can be configured at vibrating membrane 2 directly or indirectly.
Specifically when implementing, one music signal is applied to voice coil loudspeaker voice coil 4, alternating current is passed in voice coil loudspeaker voice coil 4, voice coil loudspeaker voice coil 4 can produce magnetic field under the effect of alternating current, the magnetic field of this magnetic field and aforementioned magnet assemblies 3 cooperatively interacts, make voice coil loudspeaker voice coil 4 drive vibrating membrane 2 constantly to vibrate, and give off sound from vibrating membrane 2.
Wherein, relative to the magnet assemblies 3 be made up of two ferrite magnetic ironwares 31 of the prior art, the magnet assemblies 3 be made up of ferrite magnetic ironware 31 and Rare-Earth Magnetic ironware 32 of the utility model loud speaker 10 is because employ a Rare-Earth Magnetic ironware 32, the small volume of Rare-Earth Magnetic ironware 32, lightweight, make the overall volume of the magnet assemblies 3 of the utility model loud speaker 10 less, lighter in weight, thus the overall volume of the utility model loud speaker 10 is also less, weight is also comparatively light, can meet the requirement that the utility model loud speaker 10 is lightening.
In addition, relative to the magnet assemblies 3 be made up of two Rare-Earth Magnetic ironwares 32 of the prior art, the magnet assemblies 3 be made up of ferrite magnetic ironware 31 and Rare-Earth Magnetic ironware 32 of the utility model loud speaker 10 is because only employ a Rare-Earth Magnetic ironware 32, thus the cost of the magnet assemblies 3 of the utility model loud speaker 10 is lower, and then reduce the cost of the utility model loud speaker 10.
Further, in order to realize the function of aforementioned magnet assemblies 3, magnet assemblies 3 is made to form aforesaid magnetic gap 30, and what make the line of magnetic induction that ferrite magnetic ironware 31 and Rare-Earth Magnetic ironware 32 are formed between the two passes magnetic gap 30 at least partially, as shown in Figure 1, the utility model also provides following execution mode: the ferrite magnetic ironware 31 of aforesaid loud speaker 10 is provided with the through hole 311 run through.Magnet assemblies 3 also comprises yoke 33, and yoke 33 plays the effect of the conduction magnetic line of force in magnetic circuit, and the magnetic line of force in magnetic circuit is conducted to required desired location by yoke 33.Yoke 33 comprises insertion section 331, and through hole 311 is passed in insertion section 331, and and between the inwall of through hole 311, form aforesaid magnetic gap 30, Rare-Earth Magnetic ironware 32 is arranged at insertion section 331.Specifically when implementing, the external diameter of insertion section 331 is less than the internal diameter of through hole 311, and insertion section 331 easily can be inserted in through hole 311, and can leave gap between insertion section 331 and through hole 311, this gap is aforesaid magnetic gap 30.Wherein, insertion section 331 is positioned on the magnetic circuit of ferrite magnetic ironware 31, when Rare-Earth Magnetic ironware 32 is arranged at insertion section 331, Rare-Earth Magnetic ironware 32 is also positioned on the magnetic circuit of ferrite magnetic ironware 31, thus Rare-Earth Magnetic ironware 32 and both ferrite magnetic ironwares 31 cooperatively interact and the line of magnetic induction formed between the two can pass magnetic gap 30 at least partially, and then the function of aforementioned magnet assemblies 3 can be realized.
Further, in one embodiment, as shown in Figure 1, aforesaid loud speaker 10 also comprises speech coil framework 5, and voice coil loudspeaker voice coil 4 is sheathed on the outer surface of speech coil framework 5, and is configured in magnetic gap 30 by speech coil framework 5.Speech coil framework 5 can provide support voice coil loudspeaker voice coil 4, and voice coil loudspeaker voice coil 4 is configured in magnetic gap 30 indirectly by speech coil framework 5.Wherein, by the speech coil framework 5 arranged, voice coil loudspeaker voice coil 4 can more stably be remained in magnetic gap 30.
Specifically when implementing, as shown in Figure 1, aforesaid speech coil framework 5 comprises first end 51 and second end 52 relative with first end 51, " relatively " herein refers to that first end 51 is just contrary with the direction of both the second ends 52, when first end 51 is positioned at the upper end of speech coil framework 5, then the second end 52 is positioned at the lower end of speech coil framework 5, vice versa, when the second end 52 is positioned at the upper end of speech coil framework 5, then first end 51 is positioned at the lower end of speech coil framework 5.Wherein, in one embodiment, first end 51 is connected with vibrating membrane 2, second end 52 is provided with stopper slot 521, stopper slot 521 is configured to insert for aforesaid insertion section 331, and the cell wall of stopper slot 521 can slide relative to the outer surface of insertion section 331, in other words, aforesaid insertion section 331 is inserted stopper slot 521 and can be slided along the cell wall of stopper slot 521.Second end 52 comprises the sidewall forming stopper slot 521, and sidewall stretches in magnetic gap 30, the outer surface being sheathed on sidewall at least partially of voice coil loudspeaker voice coil 4.Wherein, both insertion section 331 and stopper slot 521 cooperatively interact and are that speech coil framework 5 leads, the voice coil loudspeaker voice coil 4 on it can be driven to vibrate on the track of setting to make speech coil framework 5, thus vibrating membrane 2 also can vibrate under the drive of speech coil framework 5 on the track of setting, make the vibration precision of vibrating membrane 2 higher, the tonequality of the sound given off from vibrating membrane 2 is better.
Further, in one embodiment, as shown in Figure 1, aforesaid loud speaker 10 also comprises locating part 6, and locating part 6 is arranged at strutting piece 1, forms an entirety to make locating part 6 and both strutting pieces 1.Locating part 6 is provided with the spacing hole (not indicating in figure) run through, and speech coil framework 5 is through spacing hole, and spacing hole for lead to speech coil framework 5, and can slidably reciprocate for the hole wall of speech coil framework 5 along spacing hole.Wherein, by arranging spacing hole on locating part 6, locating part 6 can be that speech coil framework 5 is spacing, makes speech coil framework 5 along the track vibration of setting, thus can further increase the vibration precision of speech coil framework 5 and vibrating membrane 2.
Further, in one embodiment, aforesaid yoke 33 is T iron.T iron, is also electrician's iron, and its quality is pure iron.The Main Function of T iron is exactly the magnetic conduction when being energized, but it does not have remanent magnetism.Magnetic field dissipate after loud speaker 10 power-off, the magnetic field of T iron also disappears immediately.Certainly, in other embodiments, yoke 33 also can be other magnetic conductive part, specifically can arrange according to the actual demand of user.
As shown in Figure 2, embodiment of the present utility model also provides a kind of electronic equipment, comprises housing 20 and loud speaker 10, and wherein, loud speaker 10 is any one loud speaker 10 aforesaid, and it is inner that loud speaker 10 is configured at housing 20.Wherein, in the present embodiment, as shown in Figure 2, this electronic equipment can be TV.Certainly, in other embodiments, this electronic equipment can be also mobile phone, panel computer or notebook computer etc., specifically can arrange according to the actual demand of user.
The above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, the any simple modification done above embodiment according to technical spirit of the present utility model, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. a loud speaker, is characterized in that, comprising:
Strutting piece;
Vibrating membrane, can be installed on described strutting piece quiveringly, and described vibrating membrane is configured to occur to vibrate and radiation sound by driving;
Magnet assemblies, is arranged at described strutting piece, and described magnet assemblies is formed with magnetic gap, and described magnetic gap is positioned at the side of described vibrating membrane; Described magnet assemblies comprises ferrite magnetic ironware and Rare-Earth Magnetic ironware, described ferrite magnetic ironware is contrary with the magnetic of described Rare-Earth Magnetic ironware, described ferrite magnetic ironware and formed the between the two line of magnetic induction of described Rare-Earth Magnetic ironware at least partially through described magnetic gap; And,
Voice coil loudspeaker voice coil, is arranged at described vibrating membrane, being configured at least partially in described magnetic gap of described voice coil loudspeaker voice coil.
2. loud speaker as claimed in claim 1, it is characterized in that, described ferrite magnetic ironware is provided with the through hole run through;
Described magnet assemblies also comprises yoke, and described yoke comprises insertion section, and described through hole is passed in described insertion section, and and form described magnetic gap between the inwall of described through hole, described Rare-Earth Magnetic ironware is arranged at described insertion section.
3. loud speaker as claimed in claim 2, it is characterized in that, also comprise speech coil framework, described voice coil loudspeaker voice coil is sheathed on the outer surface of speech coil framework, and is configured in described magnetic gap by described speech coil framework.
4. loud speaker as claimed in claim 3, it is characterized in that, described speech coil framework comprises first end and second end relative with described first end, described first end is connected with described vibrating membrane, described second end is provided with stopper slot, described stopper slot is configured to insert for described insertion section, and the cell wall of described stopper slot can slide relative to the outer surface of described insertion section;
Described second end comprises the sidewall forming described stopper slot, and described sidewall stretches in described magnetic gap, the outer surface being sheathed on described sidewall at least partially of described voice coil loudspeaker voice coil.
5. the loud speaker as described in claim 3 or 4, it is characterized in that, also comprise locating part, be arranged at described strutting piece, described locating part is provided with the spacing hole run through, described speech coil framework is through described spacing hole, and described spacing hole is configured to lead to described speech coil framework, and slidably reciprocates for the hole wall of described speech coil framework along described spacing hole.
6. the loud speaker as described in any one of claim 2 to 4, is characterized in that, described yoke is T iron.
7. electronic equipment, is characterized in that, comprising:
Loud speaker as described in any one of claim 1 to 6; And,
The housing of loud speaker described in internal configurations.
8. electronic equipment as claimed in claim 7, it is characterized in that, described electronic equipment is TV, mobile phone, panel computer or notebook computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568177.7U CN204131720U (en) | 2014-09-29 | 2014-09-29 | Loud speaker and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420568177.7U CN204131720U (en) | 2014-09-29 | 2014-09-29 | Loud speaker and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204131720U true CN204131720U (en) | 2015-01-28 |
Family
ID=52388033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420568177.7U Active CN204131720U (en) | 2014-09-29 | 2014-09-29 | Loud speaker and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204131720U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105142079A (en) * | 2015-09-23 | 2015-12-09 | 宁波东源音响器材有限公司 | Suspended type loudspeaker |
| CN105142082A (en) * | 2015-09-23 | 2015-12-09 | 宁波东源音响器材有限公司 | Moving-coil loudspeaker |
| CN105142083A (en) * | 2015-09-23 | 2015-12-09 | 宁波东源音响器材有限公司 | Loudspeaker |
| CN105163248A (en) * | 2015-09-23 | 2015-12-16 | 宁波东源音响器材有限公司 | Moving-coil loudspeaker sounding from both sides |
| CN105163250A (en) * | 2015-09-23 | 2015-12-16 | 宁波东源音响器材有限公司 | Suspended two-side sound production speaker |
| CN105163249A (en) * | 2015-09-23 | 2015-12-16 | 宁波东源音响器材有限公司 | Loudspeaker |
| CN105208500A (en) * | 2015-09-23 | 2015-12-30 | 宁波东源音响器材有限公司 | Audio speaker |
| CN105228063A (en) * | 2015-09-23 | 2016-01-06 | 宁波东源音响器材有限公司 | Music centre loudspeaker |
-
2014
- 2014-09-29 CN CN201420568177.7U patent/CN204131720U/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105142079A (en) * | 2015-09-23 | 2015-12-09 | 宁波东源音响器材有限公司 | Suspended type loudspeaker |
| CN105142082A (en) * | 2015-09-23 | 2015-12-09 | 宁波东源音响器材有限公司 | Moving-coil loudspeaker |
| CN105142083A (en) * | 2015-09-23 | 2015-12-09 | 宁波东源音响器材有限公司 | Loudspeaker |
| CN105163248A (en) * | 2015-09-23 | 2015-12-16 | 宁波东源音响器材有限公司 | Moving-coil loudspeaker sounding from both sides |
| CN105163250A (en) * | 2015-09-23 | 2015-12-16 | 宁波东源音响器材有限公司 | Suspended two-side sound production speaker |
| CN105163249A (en) * | 2015-09-23 | 2015-12-16 | 宁波东源音响器材有限公司 | Loudspeaker |
| CN105208500A (en) * | 2015-09-23 | 2015-12-30 | 宁波东源音响器材有限公司 | Audio speaker |
| CN105228063A (en) * | 2015-09-23 | 2016-01-06 | 宁波东源音响器材有限公司 | Music centre loudspeaker |
| CN105142079B (en) * | 2015-09-23 | 2018-05-22 | 宁波东源音响器材有限公司 | The loud speaker of Suspensible |
| CN105142083B (en) * | 2015-09-23 | 2018-08-24 | 宁波东源音响器材有限公司 | Loud speaker |
| CN105142082B (en) * | 2015-09-23 | 2018-08-24 | 宁波东源音响器材有限公司 | Coil-moving speaker |
| CN105163249B (en) * | 2015-09-23 | 2018-08-24 | 宁波东源音响器材有限公司 | A kind of loud speaker |
| CN105163248B (en) * | 2015-09-23 | 2018-08-24 | 宁波东源音响器材有限公司 | The coil-moving speaker of both sides pronunciation |
| CN105208500B (en) * | 2015-09-23 | 2018-08-24 | 宁波东源音响器材有限公司 | A kind of Music centre loudspeaker |
| CN105163250B (en) * | 2015-09-23 | 2018-09-07 | 宁波东源音响器材有限公司 | Underslung bilateral pronunciation loudspeaker |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204131720U (en) | Loud speaker and electronic equipment | |
| EP2579614B1 (en) | Speaker magnet thermal management | |
| CN201839428U (en) | Loudspeaker | |
| CN202818588U (en) | Loudspeaker | |
| CN103067806B (en) | Ultra-thin telephone receiver | |
| CN103248988A (en) | Speaker apparatus with N-divided magnet structure | |
| US10924863B2 (en) | Diaphragm and speaker | |
| US9769571B2 (en) | Loudspeaker and electronic apparatus using the loudspeaker | |
| CN105338454A (en) | Long-stroke loudspeaker | |
| US8649549B2 (en) | Speaker | |
| CN203840179U (en) | Receiver device with U-shaped armature | |
| WO2015096527A1 (en) | Flat-diaphragm structure micro speaker | |
| WO2021003602A1 (en) | Actuator | |
| CN202334872U (en) | Speaker | |
| US20150296304A1 (en) | Portable electroacoustic device | |
| CN203504745U (en) | Step-type voice coil and sounder employing voice coil | |
| CN103581805B (en) | A kind of electro-acoustic element and its assemble method | |
| US9998835B2 (en) | Transducer components and structure thereof for improved audio output | |
| CN101977342B (en) | Loudspeaker | |
| US20180167739A1 (en) | Sound production unit | |
| WO2020244208A1 (en) | Sound generating device | |
| CN201585120U (en) | Transverse vibrator | |
| CN202799130U (en) | Speaker | |
| CN101969595B (en) | Acoustic generator | |
| CN204206443U (en) | Receiver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |