CN202178854U - Miniature loudspeaker - Google Patents

Miniature loudspeaker Download PDF

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Publication number
CN202178854U
CN202178854U CN 201120305801 CN201120305801U CN202178854U CN 202178854 U CN202178854 U CN 202178854U CN 201120305801 CN201120305801 CN 201120305801 CN 201120305801 U CN201120305801 U CN 201120305801U CN 202178854 U CN202178854 U CN 202178854U
Authority
CN
China
Prior art keywords
suspends
fixed
central
microspeaker
plate
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.)
Expired - Fee Related
Application number
CN 201120305801
Other languages
Chinese (zh)
Inventor
权哲荣
郑进友
金圭东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGGUAN BAOXING ELECTRONICS Co Ltd
RONGCHENG BAOXING ELECTRONIC CO Ltd
TIANJIN BSE ELECTRONICS CO Ltd
BSE Co Ltd
Original Assignee
DONGGUAN BAOXING ELECTRONICS Co Ltd
RONGCHENG BAOXING ELECTRONIC CO Ltd
TIANJIN BSE ELECTRONICS CO Ltd
BSE Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to KR1020100116218A priority Critical patent/KR101156053B1/en
Priority to KR10-2010-0116218 priority
Application filed by DONGGUAN BAOXING ELECTRONICS Co Ltd, RONGCHENG BAOXING ELECTRONIC CO Ltd, TIANJIN BSE ELECTRONICS CO Ltd, BSE Co Ltd filed Critical DONGGUAN BAOXING ELECTRONICS Co Ltd
Application granted granted Critical
Publication of CN202178854U publication Critical patent/CN202178854U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/025Diaphragms comprising polymeric materials
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006Interconnection of transducer parts
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12Non-planar diaphragms or cones
    • H04R7/14Non-planar diaphragms or cones corrugated, pleated or ribbed
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

Abstract

The utility model relates to a miniature loudspeaker. The miniature loudspeaker is characterized by comprising a frame, magnetic circuit portion, a vibration plate body, a suspending member, a voice coil and a cover; the magnetic circuit portion is composed of a yoke fixed in the frame, a permanent magnet fixed on the yoke, and a plate fixed on the permanent magnet; the edge of the vibration plate body is fixed on the frame, and the center of the vibration plate body can be penetrated; the suspending member is disposed under the vibration plate body and the edge of the vibration plate body is fixed on the frame; the suspending member is composed of a central portion and a surrounding portion, wherein the central portion and the surrounding portion are combined to be one body; the voice coil is fixed under the suspending member, and specifically the voice coil is fixed under a boundary portion which is the connecting part between the central portion and the surrounding portion; and the cover is combined with the frame. The utility model has the beneficial effects that through the suspending member provided with the integrated body of the central portion, the miniature loudspeaker having wide and flat frequency characteristics, and resonant frequency (Fo) with a low regeneration electric property is obtained.

Description

Microspeaker
Technical field
The utility model relates to Microspeaker; More specifically; Relate to the following Microspeaker of characteristic: possess the part that suspends that the central part that in the past played the effect of oscillating plate vault is constituted one; Therefore simple in structure, assembling procedure reduces, and can obtain regenerate the electrically low resonance frequency (Fo) and the characteristic of broad smooth frequency.
Background technology
Usually, loud speaker is to be the device of voice signal with electrical signal conversion.Loud speaker is existing to be connected in sound equipment or loudspeaker and to be used for significantly improving the medium-and-large-sized loud speaker of volume, also is useful on the for example miniature loudspeaker of the portable audio device that significantly increases of demand in recent years such as mobile phone, notebook, MP3 regenerator, earphone of the little audio frequency apparatus of size.Usually, this miniature loudspeaker is called Microspeaker.
Below, simple declaration had the formation of the Microspeaker of general structure in the past.In Fig. 1, Microspeaker 100 in the past is illustrated as concise and to the point sectional stereogram.
Microspeaker 100 is by framework 110, yoke 120, permanent magnet 130, plate 140, oscillating plate 150, the part 160 that suspends, voice coil loudspeaker voice coil 170 and cover 180 and constitute.
Framework 110 is used to install miscellaneous part as the member of forming the Microspeaker profile.Yoke 120, permanent magnet 130 and plate 140 constitute magnetic circuit.
Oscillating plate 150 is that benchmark is divided into inside part 152 and Outboard Sections 154 with boundary member 156.The interior outside of oscillating plate 150, boundary member all form as one.Inside part 152 is the partial shapes that raise up slightly, is also referred to as vault (dome).Outboard Sections 154 is parts that inside part 152 is surrounded from the outside.As shown in the figure, Outboard Sections 154 also is the shape that raises up slightly.
The inside part of oscillating plate and Outboard Sections mainly there are differences on the regeneration range respectively.Outboard Sections is made up of soft material, the sound of the low range of mainly regenerating during vibration, and inside part is made up of hard relatively material, the sound of the high range of mainly regenerating.
On the other hand, the lateral profile portion flattening of Outboard Sections 154, its lateral profile portion is fixed on the framework 110.Combining cover 180 on the top of framework 110, built-in miscellaneous part.
And, below the boundary member 156 of Outboard Sections and inside part, at a distance from be provided with voice coil loudspeaker voice coil 170 to suspend part 160.Voice coil loudspeaker voice coil 170 upper ends that the coiling lead constitutes are adhered to below the part 160 that suspends that is configured in oscillating plate 150 belows.
The part 160 that suspends is to move and be provided with for the above-below direction of controlling oscillating plate 150.The effect of part 160 of suspending is, 150 of oscillating plates are suitably vibrated at above-below direction, and moving of left and right directions do not taken place.Boundary member 156 downsides of oscillating plate 150 interfix with the part 160 that suspends, and lateral profile also is fixed on as oscillating plate on the framework 110.
The mid portion of part 160 of suspending connects with above-below direction.That is the part 160 of suspending of inside part 152 belows that, is positioned at oscillating plate 150 is for empty.On the part 160 that suspends of part below the Outboard Sections that is positioned at oscillating plate 154, be formed with a plurality of length and crooked groove.
This groove be for make the part 160 that suspends can be on above-below direction elastic vibration and forming.The width of regulating tank, length and shape, i.e. the scalable elastic force size of above-below direction of part that suspends.
On the other hand, though not shown, in the past under the situation of Microspeaker of technology, with compared with techniques in the past shown in Figure 1, other formations are all identical, just do not possess the part of suspending and use at another.In addition; Under the situation of the another loud speaker of technology in the past; Use the oscillating plate that constitutes as follows:, separate inside part and the Outboard Sections of oscillating plate and after constituting different component, its grade is mutually combined again and constitutes oscillating plate in order better to embody high pitch and bass.
But, in the said Microspeaker in the past, under the situation of integrally formed oscillating plate, have following problem points:, thereby the regeneration of low territory is produced restriction because of the little elastic force increase that makes Outboard Sections of size of one-piece type oscillating plate.That is,, cause high resonance frequency (Fo) and regeneration range short, the low problem of input in existing because of the limitation of one-piece type oscillating plate.
In addition, in order to address this is that, though can solve subproblem through making oscillating plate with thin material matter, but still residual together deliquescing of oscillating plate arch crown part along with integral structure, the problem of input in causing receiving.
Though this problem solves subproblem through adopting the oscillating plate that forms with the mode that inside part and Outboard Sections is made into different component; But this formation has also produced following problem points: when loud speaker applies high input, because of oscillating plate is not that one different sound and high distortion occur because of vibrating cutting apart of oscillating plate and squinting to vibrate.
In addition, not one but when being made by different component, have following problem points: number of components increases, and assembling procedure quantity increases at oscillating plate, thus the production efficiency of products variation, cost improves.
The utility model content
The utility model proposes in order to solve said problem points; Its purpose is; The sectoral integration of vault (inside part) effect through will playing oscillating plate is to the part that suspends; Can produce than loud speaker in the past can not increase number of components, and the regeneration range is wide, the height output loud speaker that interior input is high.
The utility model relates to Microspeaker, it is characterized in that, comprising: framework; Magnetic circuit portion is made up of the yoke that is fixed in framework, the top plate that is fixed in the permanent magnet of this yoke and is fixed in said permanent magnet; The vibration plate body, its edge is fixed in said framework, and the intermediate portion forms with the mode that can connect; The part that suspends, be positioned at said vibration plate body below, its edge is fixed in said framework, is made up of central part that forms as one each other and periphery; Voice coil loudspeaker voice coil, its be fixed in the said part that suspends below, promptly be fixed in said central part and periphery boundary member below; And lid, it is incorporated into said framework.
On the other hand, the central part of the said part that suspends is through connecting part in the middle of the said vibration plate body, and raising up, it is suitable to form.
On the other hand, the middle breakthrough part of the central part of the said part that suspends and said vibration plate body divides relatively, and suitable to being shaped as of lower convexity.
On the other hand, possessing at least one on the central part of the said part that suspends is advisable with the outstanding raised line (rib) that forms of narrow and long shape.
On the other hand, have a plurality of said raised lines, and said raised line be spaced from each other the distance and be advisable side by side.
On the other hand, the periphery of the said part that suspends possesses the part that at least one shape long with narrow width connects, and perhaps at least a portion is that being shaped as of gauffer is suitable.
On the other hand, the said part that suspends adopts polyvinyl chloride (polyvinyl chloride; PV), PEN (Polyethylene Naphthalate; PEN), polyphenylene sulfide (Polyphenylenesulfide; PPS), polyether-ether-ketone (Polyetheretherketone; PEEK), polyimides (Poly Imide; PI), PEI (Polyetherimide; PEI), Merlon (Polycarbonate; PC) and any material in the U.S. paper of promise (NOMAX), be fabricated to suitable according to thermoforming process.
According to the utility model, can obtain following effect:, can obtain to have the electrically low resonance frequency (Fo) of regeneration and the Microspeaker of broad flat frequency characteristic through possessing the part that suspends that central part is integrally formed.
According to the utility model, can obtain following effect: through making the effect of the central part performance oscillating plate vault part that is formed on the part that suspends, the high height output loud speaker of input in can producing.
In addition, according to the utility model, can obtain following effect: because the part that suspends comprises the vault part of oscillating plate in the past and form as one, so number of components is few, and assembling is simple, thereby reduces assemble.
On the other hand, when the central part at the part that suspends possesses raised line, can obtain fully to guarantee the effect of central part rigidity.
Description of drawings
Fig. 1 is the concise and to the point profile of Microspeaker in the past,
Fig. 2 is the concise and to the point exploded perspective view of the Microspeaker of the utility model one embodiment,
Fig. 3 is the concise and to the point sectional stereogram of Microspeaker assembled state shown in Figure 2,
Fig. 4 is the concise and to the point profile of Microspeaker assembled state shown in Figure 2,
Fig. 5 and Fig. 6 are respectively the plane graph and the side views of the part that suspends shown in Figure 2,
Fig. 7 and Fig. 8 are respectively the plane graph and the side views of the part that suspends that adopted among other embodiment of the utility model,
Fig. 9 and Figure 10 are respectively the stereograms of the part that suspends that adopted among other embodiment of the utility model.
[symbol description]
The 1--Microspeaker
The 10-framework
The 20-yoke
The 30-permanent magnet
The 40-plate
50-vibrates plate body
The 60-part that suspends
The 62-central part
The 64-periphery
The 70-voice coil loudspeaker voice coil
The 80-lid
Embodiment
2 specify the Microspeaker of an embodiment of the utility model to accompanying drawing 6 with reference to the accompanying drawings.
The Microspeaker 1 of present embodiment comprises framework 10, yoke 20, permanent magnet 30, plate 40, vibration plate body 50, the part 60 that suspends, voice coil loudspeaker voice coil 70 and covers 80 and constitute.
Said Microspeaker 1 is the Microspeaker that is used for like compact audio equipment such as mobile phone, earphone, MP3.The principal character of the utility model is, the part that the part 60 that suspends will play oscillating plate vault (dome) partial action in the past is that central part is integrally formed and constitute.
Said framework 10 forms the profile of loud speaker usually by plastic production, and various parts are fixed by portion within it.The bottom of framework combines yoke 20 and sealing.
The lid 80 that combines to possess a plurality of air vent holes 82 in the upper end of framework 10.In the upper end of framework 10 with cover the outline portion that combines fixing edge as the vibration plate body 50 and the part 60 that suspends between 80.Lid 80 air vent hole 82 is to be used for formation that the audio frequency that is generated is emitted to the outside.
Said yoke 20 is fixed on the framework 10 by the material with magnetic.
Said permanent magnet 30 by the member of the circular plate shape of centre 32 with its around annular flat element 34 form.Permanent magnet 30 is fixed on the bottom surface of yoke 20.On permanent magnet 32,34, be fixed with the plate 42,44 that has with the corresponding plane width of corresponding permanent magnet 32,34 respectively.Plate 40 is by the material with magnetic, by the member 42 of the circular plate shape of centre with its around annular flat element 44 form.
With reference to Fig. 4, between permanent magnet 30 and plate 40, be formed with the space, the bottom of voice coil loudspeaker voice coil 70 is positioned at this space, and with the vibration plate body 50 and part 60 up-down vibration that suspend.
Yoke 20, permanent magnet 30 and plate 40 constitute magnetic circuit portion.The flux that produces at the permanent magnet of inboard 32 forms through plate 42, and enters into the flux path (path) of yoke 20 again through outside permanent magnet 34 and plate 44.
On the other hand, under the situation of present embodiment, enumerated yoke 20 and be smooth plate shape, permanent magnet 30 and plate 40 are made up of the discoideus member and the annular component in its outside respectively, but the utility model is not limited thereto.Under the situation of other embodiment, yoke can be the shape that possesses the spill accepting groove in the inboard, and permanent magnet and plate can be the interior circular plate shape of accepting groove that is fixed on yoke.Permanent magnet and plate can be made up of a member respectively.
The mid portion of said vibration plate body 50 connects at above-below direction.Vibration plate body 50 produces the acoustic pressure that the people can hear along with the mobile up-down vibration of voice coil loudspeaker voice coil 70.Usually, vibration plate body 50 produces the audio frequency of low range.Vibration plate body 50 is made by macromolecular compound, and concrete material and shape can be carried out various distortion.Than oscillating plate in the past, vibration plate body 50 can be made by relatively thin material, so that the audio frequency of the required range of can regenerating.
The boundary member that the vibration plate body 50 of present embodiment is positioned at the place, upper end of voice coil loudspeaker voice coil 70 is the outside of benchmark.Vibration plate body 50 is vault (dome) shape, and each boundary member in the inboard and the outside is smooth.
As long as the vibration plate body possesses the part that connects at above-below direction at mid portion, other formations such as concrete shape, material and thickness of the vibration plate body that the Microspeaker of the utility model adopted can be carried out multiple change.
The said part 60 that suspends be positioned at the vibration plate body 50 below.The profile of part 60 of suspending is fixed on the framework 10.The part 60 that suspends comprises that central part 62 constitutes with periphery 64.Central part 62 and periphery 64 form as one as a member.The interface portion of central part 62 and periphery 64 is boundary member 65.At the fixing vibration of the upper side of boundary member plate body 50, at the fixing voice coil loudspeaker voice coil 70 of downside.
Under the situation of present embodiment, the part 60 that suspends is formed by the macromolecular material that can carry out thermoforming, like polyvinyl chloride (polyvinyl chloride; Material such as PV).The part 60 that suspends can pass through the injection forming method manufacturing.Under the situation of other embodiment, the part that suspends can adopt following material: PEN (Polyethylene Naphthalate; PEN), polyphenylene sulfide (Polyphenylenesulfide; PPS), polyether-ether-ketone (Polyetheretherketone; PEEK), polyimides (Poly Imide; PI), PEI (Polyetherimide; PEI), Merlon (Polycarbonate; PC) and the U.S. paper of promise (NOMAX) wait the material that can utilize the thermoforming process manufacturing.
In addition, the part 60 that suspends of present embodiment forms through the mode that the part that connects in the middle of the vibration plate body 50 raises up with its central part 62.Central part 62 is with the dome portions of oscillating plate in the past and divides similar shape.
Under the situation of present embodiment, possesses the part 66 that has 4 to connect altogether at part 60 peripheries 64 that suspend with narrow and long shape.The shape that connects part 66 forms with the centrosymmetric mode with respect to the part 60 that suspends.Because of connecting part 66, the part 60 that suspends can be in above-below direction elastic vibration.Regulate to connect width, length, the shape of part 66, i.e. the scalable elastic force size of part 60 that suspend at above-below direction.
On the other hand, the part 60 that suspends of present embodiment is the form that raises up, but the utility model is not limited thereto.That is, under the situation of other embodiment, though the central part of the not shown part that suspends also can convex to form to the bottom.The also preceding with it embodiment that proposes is identical for this situation, and central part is relative with the middle breakthrough part branch of vibration plate body, is positioned at the below of this perforation part.
Under the situation of present embodiment, possessing in a side of framework 10 has electric connection part 90.On electric connection part 90, be connected with voice coil loudspeaker voice coil 70, thereby the signal of telecommunication of external electrical equipment puts on voice coil loudspeaker voice coil 70.
Below, the effect and the effect of the Microspeaker 1 with said formation are described.
The Microspeaker 1 of present embodiment has following advantage: the vibration plate body only possesses Outboard Sections; Mid portion is the shape that connects at above-below direction; The intermediate projections of oscillating plate partly was that vault partly is formed on the part that suspends in the past, therefore can possess broad frequency characteristic.
Promptly; The central part of part of suspending mainly is responsible for the high range audio frequency of regeneration; The vibration plate body low range audio frequency of being responsible for regenerating; Remedied because of vault in the middle of in the past and the edge portion on every side shortcoming of audio frequency of abundant range of to regenerate that forms as one, compared, can possess the frequency characteristic of broadness with loud speaker in the past.
In addition,, have following advantage because the part that suspends forms as one central part: number of components with do not compare in the past and can increase, therefore can not cause manufacturing cost to rise because of the increase of parts and operation yet.
In addition, has following advantage:, can obtain to have the electrically low resonance frequency (Fo) of regeneration and the Microspeaker of broad smooth frequency characteristic according to present embodiment.
In addition, have following advantage: according to the utility model, make the central part that is formed on the part that suspends play the effect of the vault part of oscillating plate, the high height of input is exported loud speaker in therefore can making.
On the other hand, expression is through the plane graph of the part 60a that suspends of distortion in Fig. 7, and in Fig. 8, representing has along the profile of the VIII-VIII line of Fig. 7.On the central part 62a of part 60a that suspends, possess the raised line 63a (rib) that projects upwards formation with narrow and long shape is arranged.On the other hand, under the situation of other embodiment, raised line 63a can also outstandingly downwards form.
Possess 4 said raised line 63a altogether, be spaced from each other the distance and and row arrangement.Through the formation of this raised line 63a, can obtain the effect that central part 62a can have more rigidity.On the other hand, under the situation of other embodiment, the concrete shape of raised line and quantity can be carried out various deformation.
On the other hand, in Fig. 9 and Figure 10, represent to have stereogram respectively through suspend part 60b, the 60c of distortion.Central part 62b, 62c and the central part 62 of the part 60 that suspends of first embodiment of part 60b, 60c of respectively suspending constitutes identical, but the formation of periphery 64b, 64c is out of shape.
That is, under the situation of Fig. 9, on the 64b of portion, the gauffer part that is folded into " it " font repeats to form intermittently around.Under the situation of Figure 10, on the 64c of portion, gauffer partly forms integral body around.
Under the situation of the periphery 64b of suspend part 60b, the 60c of Fig. 9 and Figure 10 embodiment, 64c, the concrete shape of gauffer part can be carried out various deformation, can obtain required elastic force through this distortion.
On the other hand, the cylindrical on the whole attitude of the Microspeaker of the said embodiment that enumerates, it is inner constitute also rounded, but can be deformed into ellipse beyond circular, quadrangle or like the form as the runway of sports ground according to embodiment.

Claims (7)

1. a Microspeaker is characterized in that, comprising:
Framework;
Magnetic circuit portion is made up of the yoke that is fixed in framework, the top plate that is fixed in the permanent magnet of this yoke and is fixed in said permanent magnet;
The vibration plate body, its edge is fixed in said framework, and the intermediate portion forms with the mode that can connect;
The part that suspends, be positioned at said vibration plate body below, its edge is fixed in said framework, is made up of central part that forms as one each other and periphery;
Voice coil loudspeaker voice coil, its be fixed in the said part that suspends below, promptly be fixed in said central part and periphery boundary member below; And
Lid, it is incorporated into said framework.
2. Microspeaker according to claim 1 is characterized in that,
The central part of the said part that suspends is through connecting part in the middle of the said vibration plate body, formation raises up.
3. Microspeaker according to claim 1 is characterized in that,
The middle breakthrough part of the central part of the said part that suspends and said vibration plate body divides relatively, and convexes to form downwards.
4. Microspeaker according to claim 1 is characterized in that,
The central part of the said part that suspends possesses at least one with the outstanding raised line that forms of narrow and long shape.
5. Microspeaker according to claim 4 is characterized in that,
Have a plurality of said raised lines, and said raised line be spaced from each other the distance and side by side.
6. Microspeaker according to claim 1 is characterized in that,
The periphery of the said part that suspends possesses the part that at least one shape long with narrow width connects, and perhaps at least a portion is the shape of gauffer.
7. Microspeaker according to claim 1 is characterized in that,
The said part that suspends adopts any material in the U.S. paper of polyvinyl chloride, PEN, polyphenylene sulfide, polyether-ether-ketone, polyimides, PEI, Merlon and promise, according to the thermoforming process manufacturing.
CN 201120305801 2010-11-22 2011-08-19 Miniature loudspeaker Expired - Fee Related CN202178854U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020100116218A KR101156053B1 (en) 2010-11-22 2010-11-22 Micro-speaker
KR10-2010-0116218 2010-11-22

Publications (1)

Publication Number Publication Date
CN202178854U true CN202178854U (en) 2012-03-28

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CN 201120305801 Expired - Fee Related CN202178854U (en) 2010-11-22 2011-08-19 Miniature loudspeaker
CN201110241624.9A Active CN102480669B (en) 2010-11-22 2011-08-19 Microspeaker

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Country Status (4)

Country Link
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CN (2) CN202178854U (en)
TW (1) TWI499315B (en)
WO (1) WO2012070729A1 (en)

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KR100930537B1 (en) * 2009-09-03 2009-12-09 주식회사 블루콤 Micro speaker including a structure of uniting an vibration plate for high power
KR101156053B1 (en) * 2010-11-22 2012-06-20 주식회사 비에스이 Micro-speaker

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102480669A (en) * 2010-11-22 2012-05-30 宝星电子股份有限公司 Micro-speaker
CN102480669B (en) * 2010-11-22 2015-08-19 宝星电子股份有限公司 Microspeaker
CN107113502A (en) * 2015-01-17 2017-08-29 思力威斯有限公司 Diaphragm assembly
CN107113502B (en) * 2015-01-17 2020-02-21 思力威斯有限公司 Diaphragm assembly

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TW201223298A (en) 2012-06-01
WO2012070729A1 (en) 2012-05-31
CN102480669A (en) 2012-05-30
CN102480669B (en) 2015-08-19
KR101156053B1 (en) 2012-06-20
TWI499315B (en) 2015-09-01
KR20120054868A (en) 2012-05-31

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