CN102821342A - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN102821342A CN102821342A CN2011101736644A CN201110173664A CN102821342A CN 102821342 A CN102821342 A CN 102821342A CN 2011101736644 A CN2011101736644 A CN 2011101736644A CN 201110173664 A CN201110173664 A CN 201110173664A CN 102821342 A CN102821342 A CN 102821342A
- Authority
- CN
- China
- Prior art keywords
- voice coil
- drum paper
- loud speaker
- magnetic
- paper
- 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.)
- Pending
Links
Images
Abstract
A loudspeaker comprises a magnetic loop system, a first paper cone, a second paper cone and a voice coil, wherein the first paper cone and the second paper cone are arranged on two sides of the magnetic loop system respectively; and the voice coil is connected to the first paper cone and the second paper cone, and vibrates under the action of a magnetic field provided by the magnetic loop system so as to drive the first paper cone and the second paper cone to vibrate to enable the loudspeaker to make a sound. According to the loudspeaker, the voice coil is connected to the two paper cones and the stroke of the voice coil is enlarged, therefore the utilization rate of the output power of the loudspeaker is high, and the loudspeaker is particularly suitable for providing a high-quality bass effect.
Description
Technical field
The present invention relates to a kind of loud speaker, particularly a kind of loud speaker of being furnished with two drum paper and adding the long voice coil stroke.
Background technology
The operation principle of a typical loud speaker is; The permanent-magnet materials body produces a magnetic field through the yoke body in the annulus gap of magnetic circuit; The voice coil loudspeaker voice coil that links to each other with loud speaker drum paper inserts in the annulus gap; When the sound vibrations that coil just can produce different frequency because of the strong and weak variation of electric current during through magnetic field with the form of electric current, and then drive drum paper and send different frequencies and strong and weak sound.
According to the different frequency scope, loud speaker can be divided into high pitch, middle pitch and woofer.The position of bass in music is extremely important, when a first melody goes on foot by force in a low voice, can feel that imposing manner is very grand vigorous, and strong shock sense is arranged.But the desired power of woofer also is surprising, the energy that he consumes even will surpass high pitch and add several times of medium and low spectrum loudspeaker, and high pitched signal is difficult to promote it.
Usually, as shown in Figure 1, an existing loud speaker comprises that a magnetic goes back to system 100, and is connected in voice coil loudspeaker voice coil 200 and the drum paper 300 that this magnetic goes back to system 100, and drum paper 300 is connected in this voice coil loudspeaker voice coil 200 and vibrates to produce, thereby makes loud speaker be able to provide sound.
For stronger shaking power and appeal is provided to music, existing woofer considers to improve the tonequality volume of woofer from different directions.For example special-purpose woofer, in order to be fit to play bass, cone is more thick and heavy; In order to guarantee enough dynamics, the cone amplitude of design is also bigger, and the voice coil loudspeaker voice coil stroke is long; And the bore of woofer, magnet and voice coil diameter are big more, and low frequency playback performance and sensitivity are also high more.
From the research of magnetic circuit structural grain, open CN201450586U proposes like Chinese patent, and is theoretical according to magnetosonic; In the magnetic circuit of loud speaker, be in the voice coil loudspeaker voice coil in the magnetic gap if bigger linear stroke will be arranged, the washer that matches with permanent magnet will have bigger thickness; But contradiction is with it, if washer is thicker, the flux in the magnetic gap spreads out; Be difficult to obtain stronger flux density; Be short of power when causing loud speaker to need big stroke, be difficult to embody the due low-frequency effect of source of sound, so this patent proposes that washer is designed to the concavo-convex shape that is interspersed and constructs with optimizes magnetic circuits.
Also the someone proposes the improvement to the drum paper structure; Open CN201307927Y has proposed a kind of mantle woofer like Chinese patent; The vibrating diaphragm of this loud speaker is one and has favorable elasticity; Circular flat soft plastic film, vibrating diaphragm are fixed on the vibrating diaphragm frame of an annular, thereby and through on the concentric circles of vibrating diaphragm, pasting different frequency division rings or making loud speaker intactly reappear bass at the vibrating diaphragm that the thickness that different concentric circular regions changes vibrating diaphragm constitutes multiple resonance points.
Chinese patent CN101902675A provides a kind of thin speaker of strengthening bass, and it comprises a passive plate structure, is used to strengthen the low frequency wave bands sound effect of sound.
All above-mentioned improvement all have some improvement to the tonequality of optimizing woofer.But thick and heavy cone, bigger loud speaker bore, bigger magnet diameter and voice coil diameter have all increased the cost of loud speaker undoubtedly, and simple through this mode that thickens growth, need bigger promotion power when making woofer work.And above-mentioned improvement through setting up extra means such as above-mentioned passive plate structure, also can only be to amplify the low frequency volume, not from improving audio quality in essence more from considering to improve the vibration consideration of cone and voice coil loudspeaker voice coil.So the improvement of traditional woofer does not provide one simply through increasing the solution that the voice coil loudspeaker voice coil stroke effectively improves woofer tonequality.
Summary of the invention
Main purpose of the present invention is, a kind of loud speaker is provided, thereby it is equipped with the performance that two drum paper improve the tonequality, particularly low frequency of loud speaker.
Another object of the present invention is to, a kind of woofer is provided, it passes through to increase the stroke of voice coil loudspeaker voice coil at whole effective field system, thereby the high-quality bass effect is provided.
Another object of the present invention is to; A kind of loud speaker is provided, and it comprises that a magnetic goes back to system, is arranged on said magnetic and returns an intrasystem voice coil loudspeaker voice coil; Be separately positioned on said magnetic return the system both sides one first the drum paper and one second the drum paper; Said voice coil loudspeaker voice coil returns the vibration that produces under the systemic effect at said magnetic can be delivered to said first drum paper and the said second drum paper, thereby can improve the volume of said loud speaker, improves the utilance of the promotion power of input.
Another object of the present invention is to, a kind of loud speaker is provided, it comprises that a magnetic goes back to system; One voice coil loudspeaker voice coil and be separately positioned on said magnetic return the system both sides one first the drum paper and one second the drum paper, said magnetic goes back to system; Said first drum paper and the said second drum paper form the one-stroke chamber, and said voice coil loudspeaker voice coil returns at said magnetic under the effect of system, can be in said stroke chamber double vibrations; Thereby increased the stroke of said voice coil loudspeaker voice coil, to improve the tonequality of loud speaker.
Another object of the present invention is to, a kind of loud speaker is provided, it comprises that a magnetic goes back to system and is separately positioned on one first drum paper and the one second drum paper that said magnetic goes back to the system both sides; Said magnetic goes back to system and has a container cavity; Said first drum paper and the said second drum paper have one first cavity and one second cavity respectively, and a voice coil loudspeaker voice coil is set in the said container cavity, and said sound chamber is returned under the effect of system at said magnetic; Can be respectively to said first cavity and the said second cavity reciprocating motion in said container cavity; Make the stroke of said voice coil loudspeaker voice coil be able to extend to said first cavity and said second cavity, thereby the stroke of voice coil loudspeaker voice coil increases, the bass effect of loud speaker is able to strengthen.
For reaching above purpose, the present invention provides a kind of loud speaker, comprising:
One magnetic goes back to system;
One first drum paper and one second drum paper, said first drum paper and the said second drum paper are separately positioned on the both sides that said magnetic goes back to system; With
One voice coil loudspeaker voice coil, said voice coil loudspeaker voice coil are connected in said first drum paper and the said second drum paper, and the effect vibration down of going back to the magnetic field that system provides at said magnetic of said voice coil loudspeaker voice coil, thereby vibrate said loud speaker is sounded to drive said first drum paper and the said second drum paper.
Preferably, said loud speaker is a woofer, thereby said voice coil loudspeaker voice coil drives the said first drum paper and the said second drum paper vibration provides bass.
Preferably; Said voice coil loudspeaker voice coil has a first end and a second end; Said first end is connected in the said first drum paper; Said the second end is connected in the said second drum paper, thereby wherein said first end and said the second end drive the said first drum paper respectively and the second drum paper vibration is sounded said loud speaker.
Preferably, said loud speaker comprises that also one first framework extends said magnetic and returns between system and the said first drum paper, and one second framework extends said magnetic and returns between system and the said second bulging paper.
Preferably; Said first drum paper and said first framework form one first cavity; Said second drum paper and said second framework form one second cavity, and said magnetic returns has a container cavity, said first cavity in the system; Said second cavity and said container cavity are formed the one-stroke chamber, and said voice coil loudspeaker voice coil is in the chamber internal vibration of said stroke.
Preferably; When said voice coil loudspeaker voice coil to said drum paper when motion; Said first end moves to the said first drum paper at said first cavity; Said the second end correspondingly returns system motion away from the said magnetic of the said second drum principal direction, thereby said first end makes the said first drum paper corresponding vibration make the said first drum paper that sound is provided; When said voice coil loudspeaker voice coil to said second drum paper when motion; Said the second end moves to the said second drum paper in said second cavity; Said first end correspondingly leaves the said magnetic of the said first drum principal direction and returns system motion, thereby said the second end makes the said second drum paper corresponding vibration make the second drum paper that sound is provided simultaneously.
Preferably; The said first drum paper also comprises one first centring disk; The said second drum paper also comprises one second centring disk; Said voice coil loudspeaker voice coil two ends are connected to said first centring disk and said second centring disk, and wherein said first centring disk and said second centring disk make said voice coil loudspeaker voice coil do axial motion along the central shaft of said voice coil loudspeaker voice coil.
Loud speaker of the present invention; Go back to system through said magnetic; Said first drum paper and the said second drum paper provide the stroke chamber of its stroke of increase for said voice coil loudspeaker voice coil; When bigger promotion power input was arranged in the said voice coil loudspeaker voice coil, said voice coil loudspeaker voice coil had bigger stroke in said stroke chamber, thereby makes this loud speaker that the stronger shaking power and the bass of appeal can be provided.
Loud speaker of the present invention is different from existing loud speaker, and it is arranged on the said voice coil loudspeaker voice coil that said magnetic goes back to system and is connected in two drum paper.When more powerful audio bass signal was imported said voice coil loudspeaker voice coil, this signal was able in said two sonification systems, reappear, thereby reduced distortion, improved the utilance of input power and improved low sound quality.
Description of drawings
Fig. 1 is the schematic perspective view of typical case's loud speaker of the prior art.
Fig. 2 is the schematic perspective view of loud speaker according to a first advantageous embodiment of the invention.
Fig. 3 is the decomposing schematic representation according to the loud speaker of above-mentioned preferred embodiment of the present invention.
Fig. 4 is the schematic perspective view of loud speaker according to a second, preferred embodiment of the present invention.
Fig. 5 is the decomposing schematic representation according to the loud speaker of above-mentioned preferred embodiment of the present invention.
Fig. 6 A is the longitudinal profile sketch map according to the loud speaker of above-mentioned preferred embodiment of the present invention.
Fig. 6 B is the sketch map of first end when the first drum paper moves according to the voice coil loudspeaker voice coil of the loud speaker of above-mentioned preferred embodiment of the present invention.
Fig. 6 C is the sketch map of the second end when the second drum paper moves according to the voice coil loudspeaker voice coil of the loud speaker of above-mentioned preferred embodiment of the present invention.
Embodiment
Extremely shown in Figure 3 like Fig. 2, loud speaker according to a first advantageous embodiment of the invention, it comprises that a magnetic returns system's 10, one voice coil loudspeaker voice coils 20 and is separately positioned on one first drum paper 30 and the one second drum paper 40 that magnetic goes back to system 10 both sides.
Magnetic goes back to system 10 and is used for to loud speaker magnetic field being provided; Its structure can be returned structure for the magnetic of conventional loudspeakers, as an example, as has a permanent magnet; The magnetic of magnetic conductive core column goes back to system 10; Permanent magnet can be loop configuration, promptly permanent magnet ring, or by a plurality of magnets apart from one another by ground around forming.Permanent magnet produces magnetic field, and forms the source of sound assembly through magnetic conductive core column with voice coil loudspeaker voice coil 20.
Voice coil loudspeaker voice coil 20 is in the magnetic field that magnetic goes back to system 10 and under the effect in magnetic field, produces vibration.
The first drum paper 30 and the second drum paper 40 lay respectively at the both sides that magnetic goes back to system 10, and all link to each other with voice coil loudspeaker voice coil 20, and it can be divided into taper drum paper according to shape, plane drum paper, and thin type drum paper etc., in the present embodiment, two drum paper 30,40 are taper drum paper.When voice coil loudspeaker voice coil 20 when its central shaft is done axial vibration, vibrate with the second drum paper 40 and make the loud speaker sounding thereby correspondingly drive the first drum paper 30.
That is to say that loud speaker of the present invention is different from the traditional loud speaker shown in Fig. 1, it has two bulging paper: the first drum paper 30 and the second drum paper 40.When importing bigger promotion power, the vibration that voice coil loudspeaker voice coil 20 produces is able to two bulging paper transmission to both sides.And in conventional loudspeakers shown in Figure 1; Voice coil loudspeaker voice coil 200 axial double vibrationses, vibrational energy is delivered to bulging paper 300, and because voice coil loudspeaker voice coil 200 is to move back and forth; Portion of energy is lost and is not used in the vibration that drives drum paper 300, thereby thereby causing part sound to fail to reappear causes distortion.And in loud speaker of the present invention, being equipped with two bulging paper, the double vibrations back and forth of the voice coil loudspeaker voice coil 20 first drum paper 30 or second to both sides respectively rouses the paper transmitting vibrations, thereby improves the utilance of input power.
Fig. 4, Fig. 5, Fig. 6 A is depicted as loud speaker according to a second, preferred embodiment of the present invention to Fig. 6 C, and this loud speaker is applicable to provides bass.That is to say that the loud speaker of present embodiment is suitable as woofer and uses.To shown in Figure 5, this loud speaker comprises that a magnetic returns the 10A of system like Fig. 4, a voice coil loudspeaker voice coil 20A be separately positioned on one first drum paper 30A and the one second drum paper 40A that magnetic goes back to system 10A both sides.This loud speaker also comprises one first framework 31A and one second framework 41A, and the first drum paper 30A and the second drum paper 40A are connected to the first framework 31A and the second framework 41A.As shown in Figure 5, the first framework 31A extends magnetic and returns between the 10A of system and the first drum paper 30A, and the second framework 41A extends magnetic and returns between the 10A of system and the second drum paper 40A.As a distortion, the first framework 31A and the second framework 41A also can be an integral body, and promptly the first framework 31A and the second framework 41A form a general frame, and are connected with the second drum paper 40A with the first drum paper 30A.
Magnetic returns the 10A of system and has a container cavity 13A.The first framework 31A and the first drum paper form one first cavity 32A, and the second framework 41A and the second drum paper form one second cavity 42.Container cavity 13A, the first cavity 32A and the second cavity 42A form one-stroke chamber 50A.
Because loud speaker of the present invention has two drum paper; So in the present invention, as distortion, this stroke chamber 50A is made up of the container cavity 11A and the first cavity 32A that magnetic returns the 10A of system; Perhaps this stroke chamber 50A is formed by the container cavity 11A and the second cavity 42A that magnetic returns the 10A of system; And preferably, this stroke chamber 50A is by container cavity 11A, and the first cavity 32A and the second cavity 42A form jointly.
When voice coil loudspeaker voice coil 20A in the 50A of stroke chamber when the central shaft of voice coil loudspeaker voice coil 20A is done axial vibration, that is to say at the first cavity 32A, moves back and forth in the container cavity 11A and the second cavity 42A.And in the former loud speaker, as shown in Figure 1, voice coil loudspeaker voice coil 200 vibrates in magnetic returns the container cavity of system 100.Therefore, with respect to conventional loudspeakers, voice coil loudspeaker voice coil 20A can be to the first cavity 32A and the second cavity 42A motion of container cavity 11A both sides.In other words, when importing bigger promotion power among the voice coil loudspeaker voice coil 20A, voice coil loudspeaker voice coil 20A is double vibrations in the 50A of stroke chamber, and can obtain bigger linear stroke.When voice coil loudspeaker voice coil 20A stroke strengthens, thereby the vibration generation of corresponding drive drum paper has more the bass effect of shaking and infecting.
Fig. 5 is the exploded perspective sketch map of the loud speaker of second preferred embodiment of the present invention.The first drum paper 30A and the second drum paper 40A are peviform drum paper.The first end 21A of voice coil loudspeaker voice coil 20A is connected in the first drum paper 30A.The first drum paper 30A also comprises one first centring disk 33A, and the first centring disk 33A is connected in voice coil loudspeaker voice coil 20A, and the first centring disk 33A is fixed on the first framework 31A.Voice coil loudspeaker voice coil 20A the second end 22A is connected in the second drum paper 40A, and the second drum paper 40A also comprises one second centring disk 43A, and the second centring disk 43A is connected in voice coil loudspeaker voice coil 20A, and the second centring disk 43A is fixed on the second framework 41A.Be that voice coil loudspeaker voice coil 20A two ends connect the first centring disk 33A and the second centring disk 43A respectively, centring disk is used to make voice coil loudspeaker voice coil 20A to axially move along its central shaft, thereby and can not be along the tonequality of transverse movement maintenance bass.
That is to say that shown in Fig. 6 A, the first end 21A of voice coil loudspeaker voice coil 20A and the second end 22A are connected to the first drum paper 30A and the second drum paper 40A, thereby make voice coil loudspeaker voice coil 20A be connected to the first drum paper 30A and the second drum paper 40A.When vibration back and forth in the 50A of stroke chamber among the voice coil loudspeaker voice coil 20A, thereby first end 21A and first rouses paper 30A effect and drives the first drum paper 30A vibration, and the second end 22A and the second drum paper 40A effect simultaneously also drives second and rouse paper 40A vibration.
Shown in Fig. 6 B; As voice coil loudspeaker voice coil 20A during to the first drum paper 30A motion; First end 21A moves to the first drum paper 30A at the first cavity 32A; The second end 22A correspondingly returns the 10A of system motion away from the second drum paper 40A to magnetic, thereby first end 21A makes the first drum paper 30A corresponding vibration make the first drum paper 30A that bass is provided; Shown in Fig. 6 C; As voice coil loudspeaker voice coil 20A during to the second drum paper 40A motion; The second end 22A moves towards the second drum paper 40A in the second cavity 42A; First end 21A correspondingly leaves the first drum paper 30A and returns system's 10 directions motion to magnetic, thereby the second end 22A makes the second drum paper 40A corresponding vibration make the second drum paper 40A that bass is provided simultaneously, thereby thereby so repeating to make the first drum paper 30A and the second drum paper 40A to produce vibration provides bass effect.That is to say, when voice coil loudspeaker voice coil 20A in the stroke chamber the i.e. first cavity 32A of 50A, during reciprocating motion, can drive the first drum paper 30A and the second drum paper 40A vibration simultaneously and produce bass among the container cavity 11A and the second cavity 42A.
Simultaneously, because the first end 21A of voice coil loudspeaker voice coil 20A can get into the first cavity 32A, and the second end 22A can get into the second cavity 42A, and the stroke of whole voice coil loudspeaker voice coil 20A extends to the both sides that magnetic returns the container cavity 11A of the 10A of system.That is to say that the stroke of whole voice coil loudspeaker voice coil 20A is able to return to magnetic the both sides expansion of the 10A of system, this makes loud speaker can bear high power undoubtedly, the input of bass signal, thus drive drum paper has more characteristic with raising the bass of shaking.And the design of this growth voice coil loudspeaker voice coil stroke also more meets the needs of woofer.
In the present embodiment, that is to say that it comprises one first drum paper 30A this loud speaker, one second drum paper 40A.The first drum paper 30A and the second drum paper 40A are connected to a magnetic through the first framework 31A and the second framework 41A respectively and return the 10A of system; One voice coil loudspeaker voice coil 20A connects the first drum paper 30A and the second drum paper 40A, thereby and voice coil loudspeaker voice coil 20A and magnetic return system's 10A effect and vibration be provided and drive the first drum paper 30A and second and rouse paper 40A and vibrate sound is provided.
Shown in Fig. 6 A, the first drum paper 30A and magnetic return has one first clearance space 34A between the 10A of system, and the second drum paper 40A and magnetic return has one second clearance space 44A between the 10A of system.When voice coil loudspeaker voice coil 20A returns effect that system produces magnetic field down during vibration at magnetic, the stroke that voice coil loudspeaker voice coil 20A vibrates can expand to clearance space 34A and the 44A that magnetic goes back to system 10A both sides.That is to say that the stroke of voice coil loudspeaker voice coil 20A strengthens, and voice coil loudspeaker voice coil 20A is connected with two bulging paper, thus the bass effect of enhancing loud speaker.
One skilled in the art will understand that the embodiments of the invention shown in foregoing description and the accompanying drawing are only as not limiting the present invention for example.
This shows that the present invention's purpose is complete and effectively be achieved.Function of the present invention and structural principle are showed in an embodiment and are explained, are not deviating under the said principle, and execution mode can be done any modification.So, comprised all distortion execution modes in the specification of the present invention based on claim spirit and claim scope.
Claims (7)
1. a loud speaker is characterized in that, comprising:
One magnetic goes back to system;
One first drum paper and one second drum paper, said first drum paper and the said second drum paper are separately positioned on the both sides that said magnetic goes back to system; With
One voice coil loudspeaker voice coil, said voice coil loudspeaker voice coil are connected in said first drum paper and the said second drum paper, and the effect vibration down of going back to the magnetic field that system provides at said magnetic of said voice coil loudspeaker voice coil, thereby vibrate said loud speaker is sounded to drive said first drum paper and the said second drum paper.
2. a kind of loud speaker as claimed in claim 1 is characterized in that, said loud speaker is a woofer.
3. according to claim 1 or claim 2 a kind of loud speaker; It is characterized in that; Said voice coil loudspeaker voice coil has a first end and a second end; Said first end is connected in the said first drum paper, and said the second end is connected in the said second drum paper, thereby wherein said first end and said the second end drive the said first drum paper respectively and the second drum paper vibration is sounded said loud speaker.
4. a kind of loud speaker as claimed in claim 3 is characterized in that, said loud speaker comprises that also one first framework extends said magnetic and returns between system and the said first drum paper, and one second framework extends said magnetic and returns between system and the said second bulging paper.
5. a kind of loud speaker as claimed in claim 4; It is characterized in that said first drum paper and said first framework form one first cavity, said second drum paper and said second framework form one second cavity; Said magnetic returns has a container cavity in the system; Said first cavity, said second cavity and said container cavity are formed the one-stroke chamber, and said voice coil loudspeaker voice coil is in the chamber internal vibration of said stroke.
6. a kind of loud speaker as claimed in claim 5; It is characterized in that; When said voice coil loudspeaker voice coil to said drum paper when motion; To the said first drum paper motion, said the second end correspondingly returns system motion away from the said magnetic of the said second drum principal direction to said first end at said first cavity, thereby said first end makes the said first drum paper corresponding vibration make the said first drum paper that sound is provided; When said voice coil loudspeaker voice coil to said second drum paper when motion; Said the second end moves to the said second drum paper in said second cavity; Said first end correspondingly leaves the said magnetic of the said first drum principal direction and returns system motion, thereby said the second end makes the said second drum paper corresponding vibration make the second drum paper that sound is provided simultaneously.
7. according to claim 1 or claim 2 a kind of loud speaker; It is characterized in that; The said first drum paper also comprises one first centring disk; The said second drum paper also comprises one second centring disk, and said voice coil loudspeaker voice coil two ends are connected to said first centring disk and said second centring disk, and wherein said first centring disk and said second centring disk make said voice coil loudspeaker voice coil do axial motion along the central shaft of said voice coil loudspeaker voice coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101736644A CN102821342A (en) | 2011-06-10 | 2011-06-10 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101736644A CN102821342A (en) | 2011-06-10 | 2011-06-10 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102821342A true CN102821342A (en) | 2012-12-12 |
Family
ID=47305155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101736644A Pending CN102821342A (en) | 2011-06-10 | 2011-06-10 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102821342A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104717589A (en) * | 2013-12-12 | 2015-06-17 | 宁波升亚电子有限公司 | Audio device and method thereof |
| CN104796841A (en) * | 2014-01-22 | 2015-07-22 | 宁波升亚电子有限公司 | Damper-free loudspeaker and manufacturing method thereof |
| CN108513238A (en) * | 2018-05-22 | 2018-09-07 | 黄清山 | A kind of bulging paper and the loudspeaker with the drum paper |
| CN108718429A (en) * | 2018-08-04 | 2018-10-30 | 东莞市安晟电子有限公司 | A kind of new type superthin loudspeaker |
| CN111063324A (en) * | 2019-12-24 | 2020-04-24 | 东莞市融贤实业有限公司 | Tommy type antique speaker system |
| WO2021098114A1 (en) * | 2019-11-22 | 2021-05-27 | 歌尔股份有限公司 | Loudspeaker and loudspeaker device |
| US11968511B2 (en) | 2019-11-22 | 2024-04-23 | Goertek Inc. | Loudspeaker and loudspeaker device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010043715A1 (en) * | 1996-04-26 | 2001-11-22 | Stefan Geisenberger | Loudspeaker |
| US6714656B1 (en) * | 2000-04-14 | 2004-03-30 | C. Ronald Coffin | Loudspeaker system with dust protection |
| CN2706988Y (en) * | 2004-02-02 | 2005-06-29 | 淇誉电子科技股份有限公司 | Push-pull single-body loudspeaker combined structure |
| KR20060101891A (en) * | 2005-03-22 | 2006-09-27 | 엘지전자 주식회사 | Double-base speaker |
| CN101960867A (en) * | 2009-03-19 | 2011-01-26 | 日本先锋公司 | Speaker device |
| CN201813522U (en) * | 2010-07-05 | 2011-04-27 | 朱国祥 | Push-pull type loudspeaker |
| CN202261778U (en) * | 2011-06-10 | 2012-05-30 | 宁波升亚电子有限公司 | Loudspeaker |
-
2011
- 2011-06-10 CN CN2011101736644A patent/CN102821342A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010043715A1 (en) * | 1996-04-26 | 2001-11-22 | Stefan Geisenberger | Loudspeaker |
| US6714656B1 (en) * | 2000-04-14 | 2004-03-30 | C. Ronald Coffin | Loudspeaker system with dust protection |
| CN2706988Y (en) * | 2004-02-02 | 2005-06-29 | 淇誉电子科技股份有限公司 | Push-pull single-body loudspeaker combined structure |
| KR20060101891A (en) * | 2005-03-22 | 2006-09-27 | 엘지전자 주식회사 | Double-base speaker |
| CN101960867A (en) * | 2009-03-19 | 2011-01-26 | 日本先锋公司 | Speaker device |
| CN201813522U (en) * | 2010-07-05 | 2011-04-27 | 朱国祥 | Push-pull type loudspeaker |
| CN202261778U (en) * | 2011-06-10 | 2012-05-30 | 宁波升亚电子有限公司 | Loudspeaker |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104717589A (en) * | 2013-12-12 | 2015-06-17 | 宁波升亚电子有限公司 | Audio device and method thereof |
| CN104796841A (en) * | 2014-01-22 | 2015-07-22 | 宁波升亚电子有限公司 | Damper-free loudspeaker and manufacturing method thereof |
| CN104796841B (en) * | 2014-01-22 | 2019-02-26 | 宁波升亚电子有限公司 | A kind of non-elastic wave loudspeaker and its manufacturing method |
| CN108513238A (en) * | 2018-05-22 | 2018-09-07 | 黄清山 | A kind of bulging paper and the loudspeaker with the drum paper |
| CN108718429A (en) * | 2018-08-04 | 2018-10-30 | 东莞市安晟电子有限公司 | A kind of new type superthin loudspeaker |
| CN108718429B (en) * | 2018-08-04 | 2023-12-22 | 东莞市爱笙电子科技有限公司 | Novel ultra-thin loudspeaker |
| WO2021098114A1 (en) * | 2019-11-22 | 2021-05-27 | 歌尔股份有限公司 | Loudspeaker and loudspeaker device |
| US11968511B2 (en) | 2019-11-22 | 2024-04-23 | Goertek Inc. | Loudspeaker and loudspeaker device |
| CN111063324A (en) * | 2019-12-24 | 2020-04-24 | 东莞市融贤实业有限公司 | Tommy type antique speaker system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204425650U (en) | Piezoelectric ceramic double-frequency earphone structure | |
| CN102821342A (en) | Loudspeaker | |
| CN201682603U (en) | Earphone | |
| JP7240688B2 (en) | Multiple engine array system and speakers | |
| KR101057078B1 (en) | Multifunction micro speaker | |
| EP2869595B1 (en) | Electroacoustic transducer | |
| US8611583B2 (en) | Compact coaxial crossover-free loudspeaker | |
| CN102480669A (en) | Micro-speaker | |
| US20050185809A1 (en) | Audio frequency speaker | |
| CN205051866U (en) | Sounding device | |
| CN202261778U (en) | Loudspeaker | |
| CN103096224A (en) | Moving-magnetic type speaker | |
| CN102281488A (en) | Double-transduction-mode combined coaxial full-range loudspeaker | |
| JP5032707B2 (en) | Multi-function micro speaker | |
| CN205123986U (en) | Micro loudspeaker | |
| US11265630B2 (en) | Layered speaker diaphragm with a first perforated layer | |
| CN202602881U (en) | Low-distortion loudspeaker | |
| CN101662717B (en) | In-ear minitype rare earth moving iron type loudspeaker | |
| US6995659B2 (en) | Sound generating transducer | |
| CN202103837U (en) | Enhanced passive radiator | |
| CN200976671Y (en) | Whole-sound loudspeaker | |
| CN209572154U (en) | Small-sized plane vibrating membrane loudspeaker and earphone | |
| JP6667930B2 (en) | Electroacoustic transducer | |
| CN105282666A (en) | Miniature loudspeaker | |
| CN101754075A (en) | Improved structure of loudspeaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121212 |