WO2012108581A1 - Microphone haut-parleur multifonction - Google Patents
Microphone haut-parleur multifonction Download PDFInfo
- Publication number
- WO2012108581A1 WO2012108581A1 PCT/KR2011/002620 KR2011002620W WO2012108581A1 WO 2012108581 A1 WO2012108581 A1 WO 2012108581A1 KR 2011002620 W KR2011002620 W KR 2011002620W WO 2012108581 A1 WO2012108581 A1 WO 2012108581A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- suspension
- fixed
- yoke
- frame
- long holes
- 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.)
- Ceased
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Definitions
- the present invention relates to a multi-functional micro speaker, and more particularly, by having a three-dimensional shape of the suspension for supporting the speaker magnetic circuit, it is possible to have a quick response characteristics and high braking characteristics while preventing tilting Relates to a multifunctional micro speaker.
- a speaker is a device that converts an electrical signal into a voice signal.
- Micro-speakers are mainly small speakers for small sized audio equipment such as mobile phones, laptops, MP3 players, earphones, etc., and portable audio equipment that is in great demand in recent years.
- recent electronic products employing micro-speakers are essentially provided with a configuration for generating a vibration signal.
- recent mobile communication devices have a structure for generating a vibration signal that is frequently used instead of an incoming call signal or a vibration signal for confirming an input state in a touch screen method for directly inputting information on a screen.
- the multifunctional micro speaker of the present invention refers to a device having a configuration for generating a vibration signal in addition to the existing micro speaker having a configuration for sound generation.
- the multifunctional micro speaker is variously called a multifunctional actuator or a multifunctional electro-acoustic transducer.
- the multifunctional micro-speaker of the conventional structure is a structure which acquires a vibration by resonating the vibrating body supported by the plate-shaped spring.
- Such a conventional multifunctional micro speaker has a voice coil in a magnetic circuit on the side of a diaphragm, also called a vibration plate, which generates a sound when a current for a voice signal is applied, and generates a vibration when a current for a vibration signal is applied to the voice coil.
- the system is adopted.
- the conventional multifunction micro speaker 100 includes a case 110, a sound generating diaphragm 101, a voice coil 102, a permanent magnet 104 and a plate 103 in which an N pole and an S pole are disposed in an up and down direction. , The yoke 105 and the suspension 106 are configured. Current is applied to the voice coil 102 via the lead line a 114 and the lead line b 115.
- the voice coil 102 has its upper end fixed to the lower surface of the diaphragm 101 and extends downward while being wound.
- the plate 103 is fixed to the upper surface of the permanent magnet 104.
- the permanent magnet 104 forms a speaker magnetic circuit portion together with the plate 103 and the yoke 105, and constitutes a vibrating body that generates a vibration signal at the same time.
- the yoke 105 is elastically supported by the case 110 by a disc-shaped suspension 106 having a through hole formed in the center thereof.
- Vibration signal is generated by triggering the vertical movement of the sieve).
- Such a conventional multifunctional micro speaker has a flat plate having a through hole formed in the center of the suspension supporting the magnetic circuit portion, which is a vibrating body. Tilting or rolling may occur.
- another conventional multifunctional micro speaker 120 includes a case 130, a sound generating diaphragm 121, a voice coil 122, and a permanent magnet in which N poles and S poles are disposed in an up and down direction. 124, plate 123, yoke 125 and weight 126 are provided.
- the multifunctional micro speaker 120 is provided with two suspensions. That is, the upper suspension 107 and the lower suspension 108 are included.
- An object of the present invention is to solve the above problems, and by having one suspension having a plurality of legs bent up and down, respectively, it is easy to assemble without an increase in parts, and the manufacturing cost is low, and the tilting phenomenon is prevented. To provide a multifunctional micro speaker.
- the multi-function micro speaker of the present invention comprises: a frame: a diaphragm fixed to an outer circumference of the frame; A voice coil fixed to the lower surface of the diaphragm; A suspension made of an elastic material, the outer edge of which is fixed to the frame, and a through hole is formed in the center of the frame; A yoke fixed to the suspension; A permanent magnet fixed to the bottom surface of the inner receiving groove of the yoke; And a plate fixed to an upper surface of the permanent magnet, wherein the suspension is formed with a plurality of long holes formed through the circumference and formed in the inner edge portion of which the through hole of the suspension is formed.
- Incisions are formed in connection with the respective long holes, and the suspension is provided with at least four leg portions formed by the long holes and the incisions, and some of the leg portions are bent upwards to form upper leg portions, and others are lower It is bent to form a lower leg, each end of the upper and lower legs is characterized in that configured to be fixed to the yoke.
- the upper end of the yoke is provided with a jaw portion protruding outward, the upper leg portions of the suspension, is fixed to the upper side of the jaw portion of the yoke, the lower leg portions of the suspension, fixed to the lower side of the jaw portion of the yoke Is preferred.
- the multi-function micro speaker of another aspect of the present invention the frame: a diaphragm fixed to the outer peripheral portion of the frame; A voice coil fixed to the lower surface of the diaphragm; A through hole is formed in the center thereof, the suspension is made of a material having elasticity; A yoke fixed to the through hole of the suspension; A permanent magnet fixed to the bottom surface of the inner receiving groove of the yoke; And a plate fixed to an upper surface of the permanent magnet, wherein the suspension is formed with a plurality of long holes formed through the circumference, and each of the long holes is formed at an outer edge of the suspension.
- a connected incision is formed, and the suspension is provided with at least four leg portions formed by the long holes and the incisions, and some of the legs are bent upwards to form upper legs, and others are bent downwards
- a leg is formed, and each end of the upper and lower legs is configured to be fixed to the frame.
- the upper end of the inner yoke of the suspension is provided with a jaw protruding outwardly, the inner edge of the suspension is fixed to the jaw of the yoke, the end of the upper legs of the suspension, the inner surface of the frame It is preferably fixed to a first point, and the ends of the lower leg portions of the suspension are preferably fixed to a second point located lower than the first point.
- the upper legs and the lower legs are preferably fixed to the frame by insert injection.
- the long holes based on the top view of the suspension is preferably formed to be symmetrical with respect to the center of the through hole.
- the upper leg is two, it is preferably located symmetrically with respect to the center of the through hole
- the lower leg is two, it is preferable to be located symmetrically with respect to the center of the through hole.
- the multifunctional micro-speaker according to the present invention, it is possible to obtain the effect that the tilting shape can be prevented even with one suspension.
- the tensile force and the restoring force act simultaneously on the plurality of leg portions bent up and down, it is possible to obtain an effect that a quick response characteristic and a high braking characteristic can be obtained.
- FIG. 1 is a schematic cross-sectional view of a conventional multifunctional micro speaker
- FIG. 2 is a schematic cross-sectional view of another conventional multifunction micro speaker
- FIG. 3 is a schematic cross-sectional view of a multifunctional micro speaker according to an embodiment of the present invention.
- FIG. 4 is a schematic perspective view of a suspension that is a characteristic configuration of the multifunction speaker of FIG.
- FIG. 5 and 6 are views of the suspension of FIG. 4 and a view from below, respectively,
- FIG. 7 is a schematic plan view of the suspension of FIG. 4,
- FIG. 8 is a schematic cross-sectional view of a multifunctional micro speaker of another aspect of the present invention.
- FIG. 9 is a schematic plan view of the suspension of the multifunction micro speaker of FIG. 8;
- FIG. 3 is a schematic cross-sectional view of the multifunctional speaker of one embodiment according to the present invention.
- both the upper leg portion 76 and the lower leg portion 78 are displayed, which is shown in FIG. 7 after the upper leg portion 76 is displayed.
- the cross section of the lower leg portion 68 is shown in a state of being rotated by 90 degrees with respect to.
- 4 is a schematic perspective view of a suspension that is a characteristic configuration of the multifunctional speaker of FIG. 3
- FIGS. 5 and 6 are views of the suspension of FIG. 4 viewed from the side and from below.
- the multifunctional micro speaker 1 of this embodiment is mainly used in a mobile communication terminal such as a mobile phone and a small device such as a PMP, and has a sound generating function and a vibration generating function as a signal at the same time.
- the multifunction micro speaker 1 includes a frame 10, a diaphragm 20, a voice coil 30, a yoke 40, a permanent magnet 50, a plate 60, and a suspension 70. It consists of
- the frame 10 is usually made of plastic, and forms various external components of the speaker and is fixed therein.
- the frame 10 includes a main body 11, an upper cover 12, and a lower cover 14.
- the frame 10 is generally cylindrical in shape.
- the frame may be deformed into a shape such as an oval, a square, or the like as a whole based on the plan view viewed from above, and in this case, the internal parts may be modified to fit each shape.
- the edge of the diaphragm 20 is fixed between the main body 11 and the upper cover 12.
- the diaphragm 20 vibrates up and down to produce sound pressure, that is, sound that can be heard by a person.
- the edge portion of the diaphragm 20 is fixed to the frame 10 as described above.
- the diaphragm 20 is usually made of a high molecular compound.
- the diaphragm 20 of this embodiment is divided into an inner part located inward and an outer part located outward based on the boundary portion where the upper end of the voice coil 30 is coupled.
- the inner and outer parts are each dome shaped and the boundary part is flat for adhesion to the frame.
- the outer part is also called the edge.
- the diaphragm is capable of various changes in specific shape, material and thickness.
- the diaphragm may be made of one polymer compound, or the inner and outer parts may be manufactured with different composite introductions.
- the voice coil 30 is fixed to the lower surface of the diaphragm 20.
- the upper end of the voice coil 30 is fixed to the lower surface of the boundary of the diaphragm 20.
- the voice coil 30 is formed by winding a conductive wire in an upward direction.
- the voice coil 30 is electrically connected to a terminal (not shown) provided in the frame.
- the voice coil 30 receives a current signal from the outside via a terminal.
- the lower portion of the voice coil 30 is located in the space between the plate 60 and the yoke 40.
- the magnetic coil is moved upward and downward due to a mutual relationship with the magnetic field generated by the permanent magnet 50.
- the diaphragm 20 coupled to the voice coil 30 vibrates to generate sound.
- the yoke 40 is fixed to an edge portion in which the through hole 72 of the suspension 70 is formed.
- the yoke 40 is made of a material that allows magnetic force to pass through, the inner side of the yoke 40 is provided with a concave receiving groove.
- the upper end of the yoke 40 is provided with a jaw portion 42 protruding outward in the horizontal direction and formed along the circumferential direction.
- the permanent magnet 50 is formed in the shape of a disc to correspond to the receiving groove of the yoke (40).
- the permanent magnet 50 is fixed to the inner bottom surface of the yoke 40.
- the plate 60 has a diameter substantially the same as that of the permanent magnet 50 and is fixed to the upper surface of the permanent magnet 60. Plate 60 is made of a material that allows magnetic force to pass through.
- the permanent magnet 50 and the plate 60 are fixed to be spaced apart from the inner wall of the yoke 40.
- a space is formed between the outer surface of the permanent magnet 50 and the plate 60 and the inner wall of the yoke 40, in which the lower portion of the voice coil 30 is located.
- the permanent magnet 50, the plate 60 and the yoke 40 constitute a vibrating body and at the same time constitute a speaker magnetic circuit. That is, the magnetic flux generated in the permanent magnet 50 creates a magnetic flux path (path) entering the yoke 40 via the plate 60.
- the suspension 70 is made of a material having elasticity, for example, a metal material such as phosphor bronze, stainless steel, titanium copper, brass, or the like, which constitutes a main feature of the present invention.
- a metal material such as phosphor bronze, stainless steel, titanium copper, brass, or the like.
- the outer edge part 72 is fixed to the frame 10, and the through-hole 71 is formed in the center part.
- the elasticity of the suspension 70 refers to a property of changing the volume and shape when an external force is applied to the object, and then returning to the shape of the bond when the force is removed. Divide by shape elasticity. In the case of the present invention, since the suspension 70 is three-dimensional in shape, it is almost related to shape elasticity.
- the suspension of the present invention is manufactured by a method of cutting a flat metal plate into a required shape and then molding it three-dimensionally.
- Fig. 7 the suspension 70 in a flat state is shown as a top view, before the legs 76, 78 of this embodiment are molded three-dimensionally.
- the plan view of FIG. 7 is a plan view of the suspension 70 since it will not be significantly different from the metal plate shown in FIG. 7. It may be considered as.
- the suspension 70 is formed with a plurality of long holes 73 formed long through the circumference.
- four long holes 73 are formed narrow and long along the circumferential direction.
- the shape and the number of the long holes, as long as it can form the leg portion will be variously deformable.
- the long holes 73 are formed to be symmetrical with respect to the center of the through hole 71 with reference to FIG. 7.
- cut portions 75 connected to the respective long holes 73 are formed in the inner edge portion in which the through holes 71 of the suspension 70 are formed.
- Four cutouts 75 are formed, one for each long hole.
- the inner rim 74 of the suspension 70 is provided with four legs 76, 78 formed by the long holes 73 and the incisions 75.
- two mutually facing legs are bent upwards to form an upper leg 76, and the remaining two mutually facing legs are bent down to form a lower leg 78.
- each of the upper leg portions 76 face each other with the center of the through hole 71 interposed therebetween, and each of the upper leg portions 76 includes a portion of the flat inner edge portion 74 and an upper bent portion 77 that is bent upward. .
- each of the lower leg portions 78 face each other with the center of the through hole 71 interposed therebetween, and each of the lower leg portions 78 is formed of a portion of the flat inner edge portion 74 and a lower bend portion 79 bent downward. do.
- the ends of the upper and lower legs 76, 78, ie the flat inner edge 74, are fixed to the yoke 40.
- the inner edge portion 74 constituting the upper leg portion 76 is fixed to the upper side of the yoke jaw portion 42
- the inner edge portion 74 constituting the lower leg portion 78 is the yoke jaw portion. It is fixed to the lower side of 42. Therefore, the inner edge portion of the upper leg portion 76 is fixed higher than the inner edge portion of the lower leg portion 78.
- the upper and lower leg portions 76 and 78 may be adhered to the jaw portion 42 of the yoke by an appropriate adhesive or the like, and each outer edge portion may be fixed to the frame 10 by insert injection or the like. .
- the leg portion is fixed to the frame by the insert injection method, there is an advantage that the manufacturing process is simplified and the fixing force is excellent.
- the leg portion is composed of all four, but the present invention is not limited thereto. That is, according to the embodiment, six legs are provided, three may constitute the upper leg and the other three may constitute the lower leg. In other cases, eight legs are provided and four constitute the upper leg. The remaining four can be configured in various ways, such as may constitute a lower leg. However, the plurality of legs are configured symmetrically with respect to the center of the through hole 71.
- the multifunctional micro speaker 1 of this embodiment is provided with the suspension 70 provided with the upper leg 76 and the lower leg 78, generation
- production of the tilt vibration is suppressed, although having one suspension. There is an advantage.
- the suspension 70 since the suspension 70 includes two upper leg portions 76 and two lower leg portions 78, tensile and restoring forces act at the same time to obtain fast response and high braking characteristics. There is an advantage.
- the suspension 70 is made of a metal plate, for example, but the present invention is not limited thereto. That is, the suspension may be made of various materials having elasticity, for example, a high molecular compound material such as plastic, and in addition to a method of manufacturing a plate-shaped member by lawful deformation, it is also possible to manufacture a three-dimensional shape by pouring it into a mold.
- 8 and 9 show a multi-function micro speaker 1a of another embodiment according to the present invention.
- 8 shows the cross section of the suspension 70a in the same manner as in FIG. 3.
- the multifunction micro-speaker shown in FIG. 8 differs in that the legs 76a and 78a of the suspension 70a are provided on the outside rather than the inside, compared with the first embodiment.
- the suspension 70a in a flat state is shown as a plan view before the leg portions 76a and 78a of the present embodiment are three-dimensionally molded.
- the outer edge part 72a is fixed to the frame 10, and the through-hole 71a is formed in the center part.
- the suspension 70a is formed with a plurality of long holes 73a formed long through the circumference.
- the four long holes 73a are formed narrow and long along the circumferential direction.
- the long holes 73a are symmetric with respect to the center of the through hole 71a with reference to FIG. 9.
- the outer edge portion 72a of the suspension 70a is formed with cutouts 75a connected to the respective long holes 73a. Four cutouts 75a are formed, one for each long hole.
- the outer rim 72a of the suspension 70a is provided with all four legs 76a and 78a formed by the long holes 73a and the cutouts 75a.
- the two upper leg portions 76a are located symmetrically with the center of the through hole 71a interposed therebetween, each consisting of a portion of the flat outer rim portion 72a and the upper bent portion 77a bent upwards.
- the two lower leg portions 78a are symmetrically positioned with the center of the through hole 71a interposed therebetween, each of which is composed of a portion of the flat outer edge portion 72a and a lower bend portion 79a bent downward. .
- the ends of the upper and lower leg portions 76a, 78a, i.e., the flat outer rim 72a, are fixed to the frame 10.
- the end of the upper leg portion 76a that is, the outer edge portion constituting the upper leg portion of the outer edge portion 72a is fixed to the first point on the inner side of the frame 10
- the lower leg portion 78a The outer edge portion 72a constituting) is fixed to a second point located lower than the first point on the inner surface of the frame. Therefore, the outer edge portion of the upper leg portion 76a is fixed higher than the outer edge portion of the lower leg portion 78a.
- the upper and lower leg portions 76a and 78a may be adhered to the jaw portion 42 of the yoke by an appropriate adhesive or the like, and each end portion may be fixed to the frame 10 by insert injection or the like.
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
La présente invention concerne un microphone haut-parleur multifonction. Le microphone haut-parleur multifonction selon la présente invention comporte: un châssis ; une plaque de vibration, dont la périphérie est fixée sur le châssis ; une bobine acoustique fixée au bas de la plaque de vibration ; une suspension réalisée en un matériau élastique et présentant une partie de contour extérieure fixée sur le châssis et un trou traversant formée en son centre ; une culasse fixée sur la suspension ; un aimant permanent fixé sur le fond d'une rainure interne de réception de la culasse ; et une plaque fixée sur le haut de l'aimant permanent. Une pluralité de longs trous sont formés pour pénétrer selon la circonférence de la suspension. Une partie d'incision connectée à chacun des longs trous est formée sur la partie de contour intérieure où le trou traversant de la suspension est formé. Au moins quatre parties de patte formées par les longs trous et les parties d'incision sont prévues dans la suspension. Certaines des parties de patte sont cintrées vers le haut pour former des parties de patte supérieures. Les parties de patte restantes sont cintrées vers le bas pour former des parties de patte inférieures. Chaque partie d'extrémité des parties de patte supérieures et inférieures est fixée à la culasse.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0011121 | 2011-02-08 | ||
| KR1020110011121A KR101096788B1 (ko) | 2011-02-08 | 2011-02-08 | 다기능 마이크로 스피커 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012108581A1 true WO2012108581A1 (fr) | 2012-08-16 |
Family
ID=45506697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2011/002620 Ceased WO2012108581A1 (fr) | 2011-02-08 | 2011-04-13 | Microphone haut-parleur multifonction |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101096788B1 (fr) |
| CN (2) | CN202172489U (fr) |
| WO (1) | WO2012108581A1 (fr) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10341778B2 (en) | 2016-01-04 | 2019-07-02 | Goertek Inc. | Multifunctional device with vibration function and sound generation function |
| CN116528121A (zh) * | 2023-04-14 | 2023-08-01 | 美特科技(苏州)有限公司 | 扬声器 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101096788B1 (ko) * | 2011-02-08 | 2011-12-21 | 주식회사 비에스이 | 다기능 마이크로 스피커 |
| KR101208737B1 (ko) * | 2012-07-27 | 2012-12-06 | (주)에이피솔루션즈 | 진동자 장치 |
| US9271084B2 (en) | 2013-07-30 | 2016-02-23 | Apple Inc. | Suspension system for micro-speakers |
| US9288582B2 (en) | 2013-07-30 | 2016-03-15 | Apple Inc. | Suspension system for micro-speakers |
| CN116437274A (zh) * | 2023-04-14 | 2023-07-14 | 美特科技(苏州)有限公司 | 扬声器 |
| CN116320933A (zh) * | 2023-04-14 | 2023-06-23 | 美特科技(苏州)有限公司 | 扬声器 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090048780A (ko) * | 2007-11-12 | 2009-05-15 | 에스텍 주식회사 | 다기능 스피커 |
| KR20090049176A (ko) * | 2007-11-13 | 2009-05-18 | 에스텍 주식회사 | 다기능 스피커 |
| KR20100138152A (ko) * | 2009-06-24 | 2010-12-31 | 주식회사 비에스이 | 다기능 마이크로 스피커 |
| KR20100138153A (ko) * | 2009-06-24 | 2010-12-31 | 주식회사 비에스이 | 다기능 마이크로 스피커 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4592045B2 (ja) * | 2001-05-23 | 2010-12-01 | シチズン電子株式会社 | 多機能型発音体の端子部の製造方法 |
| JP2002361174A (ja) * | 2001-06-11 | 2002-12-17 | Namiki Precision Jewel Co Ltd | 振動アクチュエータ装置 |
| JP2004064169A (ja) * | 2002-07-25 | 2004-02-26 | Shinetsu Fujitsu Kk | 振動スピーカ及びその装着構造 |
| KR100519823B1 (ko) * | 2003-12-29 | 2005-10-10 | 삼성전기주식회사 | 다기능 엑츄에이터 |
| KR101040310B1 (ko) | 2010-01-11 | 2011-06-10 | 주식회사 비에스이 | 다기능 마이크로 스피커 |
| KR101096788B1 (ko) * | 2011-02-08 | 2011-12-21 | 주식회사 비에스이 | 다기능 마이크로 스피커 |
-
2011
- 2011-02-08 KR KR1020110011121A patent/KR101096788B1/ko not_active Expired - Fee Related
- 2011-04-13 WO PCT/KR2011/002620 patent/WO2012108581A1/fr not_active Ceased
- 2011-07-26 CN CN2011202667312U patent/CN202172489U/zh not_active Expired - Fee Related
- 2011-07-26 CN CN201110210783.2A patent/CN102630072B/zh not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090048780A (ko) * | 2007-11-12 | 2009-05-15 | 에스텍 주식회사 | 다기능 스피커 |
| KR20090049176A (ko) * | 2007-11-13 | 2009-05-18 | 에스텍 주식회사 | 다기능 스피커 |
| KR20100138152A (ko) * | 2009-06-24 | 2010-12-31 | 주식회사 비에스이 | 다기능 마이크로 스피커 |
| KR20100138153A (ko) * | 2009-06-24 | 2010-12-31 | 주식회사 비에스이 | 다기능 마이크로 스피커 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10341778B2 (en) | 2016-01-04 | 2019-07-02 | Goertek Inc. | Multifunctional device with vibration function and sound generation function |
| CN116528121A (zh) * | 2023-04-14 | 2023-08-01 | 美特科技(苏州)有限公司 | 扬声器 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN202172489U (zh) | 2012-03-21 |
| KR101096788B1 (ko) | 2011-12-21 |
| CN102630072B (zh) | 2014-10-29 |
| CN102630072A (zh) | 2012-08-08 |
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