CN106210996B - A kind of double vibration-transmitting plate bone-conduction speakers and its manufacturing method - Google Patents

A kind of double vibration-transmitting plate bone-conduction speakers and its manufacturing method Download PDF

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Publication number
CN106210996B
CN106210996B CN201610644444.8A CN201610644444A CN106210996B CN 106210996 B CN106210996 B CN 106210996B CN 201610644444 A CN201610644444 A CN 201610644444A CN 106210996 B CN106210996 B CN 106210996B
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vibration
transmitting plate
panel
fixed
column
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CN106210996A (en
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李梁
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Suzhou Beisheng Acoustic Technology Co Ltd
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Suzhou Beisheng Acoustic Technology Co Ltd
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    • 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
    • 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
    • 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
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00Loudspeakers
    • H04R2400/11Aspects regarding the frame of loudspeaker transducers

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Manufacturing & Machinery (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

The invention discloses a kind of double vibration-transmitting plate bone-conduction speakers and its manufacturing methods, including magnet bottom plate, permanent magnet, balanced armature, pivot, coil and vibrating diaphragm constitute magnetic system, the balanced armature being fixed on pivot can move up and down, balanced armature is located at the central point of permanent magnet, so balanced armature can move in permanent magnetic field, there is no magnetic field force to act on it when balanced armature is located at the center point in magnetic field, this state is equilibrium state, when there is current through coil, balanced armature can be carried out unidirectional or reversely be magnetized, balanced armature generates positive or negative sense movement for permanent magnet central point, so as to cause air flowing, lead to diaphragm oscillations, vibration-transmitting plate and panel are connect by passing vibration column with magnetic system;The bone-conduction speaker can transfer vibrations to people's bone, to generate sound by panel and external connection.The medicine have the advantages that enclosed construction, surface coats environment-friendly waterproof film, and waterproof performance is good, is not interfered by outside environmental elements, and clear sound is without noise, noiseless, for a long time using will not lose one's head.

Description

A kind of double vibration-transmitting plate bone-conduction speakers and its manufacturing method
Technical field
The present invention relates to bone-conduction speaker technical fields, and in particular to a kind of pair passes piece bone-conduction speakers and its manufacture Method.
Background technique
In the prior art, the principle of acoustic is because the vibration in air is transmitted to vibration by external ear ear canal Thus ear-drum perceives the vibration of sound by the auditory nerve for the vibratory drive people that ear-drum is formed.The osteoacusis of the prior art is raised Sound device at work, can usually be transmitted to the auditory nerve of people by the skin of people, subcutaneous tissue and bone, to make one to listen To sound.In current existing bone-conduction speaker work, along with the vibration of oscillating plate, via the fixed vibration of fixed block The shell of plate generates vibration also with oscillating plate, so by the hull vibration face contact after ear, the positions such as cheek or forehead, Vibration can serve as osteoacusis sound and be transmitted, so as to clearly hear sound.However, existing osteoacusis loudspeaking now Device is by ambient temperature, and the environmental disturbances such as humidity, noise is too many in the presence of a harsh environment, and sound quality is unintelligible;Existing osteoacusis loudspeaking Device is to have transmission sound frequency single, accommodative ability of environment is poor using single vibration-transmitting plate.
Summary of the invention
For the problems such as above-mentioned existing bone-conduction speaker transmission sound frequency is single, noise is big, the present invention to be solved The technical issues of be to provide a kind of double vibration-transmitting plate bone-conduction speakers and its manufacturing method.
In order to solve the above technical problems, the technical scheme adopted by the invention is as follows: a kind of double vibration-transmitting plate bone-conduction speakers, packet Include loudspeaker ontology and permanent magnet, it is characterised in that: loudspeaker ontology upper left side is equipped with first panel, the first panel Lower section is equipped with the first vibration-transmitting plate, and the first panel is fixed on the first biography vibration column, and first vibration-transmitting plate is fixed on the first biography It shakes on column, described first, which passes vibration column, is fixed on loudspeaker ontology, and described first passes and be equipped with the first vibrating diaphragm below vibration column, and described the One vibrating diaphragm is located in loudspeaker ontology, and loudspeaker ontology upper right side is equipped with second panel, is equipped with below the second panel Second vibration-transmitting plate, the second panel are fixed on the second biography vibration column, and second vibration-transmitting plate is fixed on the second biography vibration column, institute It states the second biography vibration column to be fixed on loudspeaker ontology, described second passes below vibration column equipped with the second vibrating diaphragm, and second vibrating diaphragm is set In loudspeaker ontology, the first panel and second panel are equipped with spacing block, and the loudspeaker ontology is equipped with through-hole, through-hole In be equipped with electric wire described in electric wire pass through through-hole connect with coil, the coil is wrapped on balanced armature, the loudspeaker ontology Interior to be equipped with permanent magnet, the balanced armature passes through the middle part of pivot fixing permanent magnet, and the permanent magnet is fixed on magnet bottom plate, The through-hole is filled using glue.
The preferred embodiment of above scheme are as follows: the thickness of first vibration-transmitting plate are as follows: 0.08-0.2mm, the thickness of the second vibration-transmitting plate Degree are as follows: 0.2-0.5mm.
The preferred embodiment of above scheme are as follows: the magnet bottom plate is equipped with groove.
The preferred embodiment of above scheme are as follows: the glue is happy Thailand's loctite3011 medical type UV solidification glue or other has The glue of identical function.
The preferred embodiment of above scheme are as follows: first face and second panel must be on same level faces.
The preferred embodiment of above scheme are as follows: the height of the spacing block will be kept together with first panel and second panel simultaneously One height.Correspondingly, the present invention has supplied a kind of double biography piece bone-conduction speaker manufacturing methods, includes the following steps:
(1) vibration-transmitting plate and panel selection 304 stainless steel material of SUS or other similar stainless steels;
(2) first vibration-transmitting plates are fabricated to 0.08-0.2mm thickness, and the second vibration-transmitting plate is fabricated to 0.2-0.5mm thickness.
(3) vibration-transmitting plate and panel surface fire are baked into heat treatment, generates black oxidation skin, using nonhazardous with inorganic The cleaning solution of additive is embathed, and the whitening processing purpose of stainless steel true qualities is reached;
(4) first the first vibration-transmitting plate is fixed on the first biography vibration column, in fixed first panel to passing on vibration column, is finally fixed First passes on vibration column to loudspeaker ontology;
(5) first the second vibration-transmitting plate is fixed on the second biography vibration column, in fixed second panel to passing on vibration column, is finally fixed First passes on vibration column to loudspeaker ontology;
(6) balanced armature length is 6mm, and coil is wound since from the 0.4mm of balanced armature top, and line footpath is 0.4mm, leading-in end of the end of inner most winding layer as coil, extraction of the end of outermost winding layer as coil End, leading-in end are located at the right end of balanced armature, and winding layer number is 8 layers;
(7) balanced armature for winding coil is fixed on the pivot of loudspeaker body interior;
(8) it is connected using electric wire with coil, electric wire passes through the through-hole on loudspeaker ontology, fills in through-holes UV is solidified, energy 100mW/cm2, the time: 30S by loctite3011, UV glue using ultraviolet light will play fixed electric wire Effect, while loudspeaker can be sealed;
(9) permanent magnet is pasted on the groove of magnet bottom plate, and is sealed;
(10) environment-friendly waterproof film finally is coated in loudspeaker body surface, entire loudspeaker is wrapped;
Beneficial effect is: bone-conduction speaker of the present invention passes through above-mentioned magnet bottom plate, permanent magnet, balanced armature, pivot Axis, coil and vibrating diaphragm constitute magnetic system, and the balanced armature being fixed on pivot can move up and down, and balanced armature is located at permanent magnetism The central point of iron does not have magnetic when balanced armature is located at the center point in magnetic field so balanced armature can move in permanent magnetic field Field force acts on it, this state is equilibrium state, and when there is current through coil, balanced armature can be carried out unidirectional or reversely be filled Magnetic, balanced armature generate positive or negative sense movement for the central point of permanent magnet, so as to cause air flowing, cause to shake Film vibration, vibration-transmitting plate and panel are connect by passing vibration column with magnetic system;The bone-conduction speaker is equipped with two pieces of vibration-transmitting plates and two pieces Panel, panel and external connection can transfer vibrations to people's bone, to generate sound, while the bone-conduction speaker is equipped with control Device processed can transmit sound by that panel to the outside, increase transaudient selection, and the bone-conduction speaker ontology is depressed It is dynamic, noise, enclosed construction are reduced, surface coats environment-friendly waterproof film, and waterproof performance is good, not dry by outside environmental elements It disturbs, clear sound is without noise, noiseless, for a long time using will not lose one's head.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Specific embodiment
Below with reference to embodiment, further description of the technical solution of the present invention.
As shown in Figure 1, a kind of double vibration-transmitting plate bone-conduction speakers, including loudspeaker ontology 2 and permanent magnet 4, the loudspeaking 2 upper left side of device ontology is equipped with first panel 8, and the first vibration-transmitting plate 1 is equipped with below the first panel 8, and the first panel 8 is fixed It is passed on vibration column 9 first, first vibration-transmitting plate 1 is fixed on 9 on the first biography vibration column, and described first, which passes vibration column 9, is fixed on loudspeaking On device ontology 2, described first is passed below vibration column 9 equipped with the first vibrating diaphragm 3, and first vibrating diaphragm 3 is located in loudspeaker ontology 2, institute 2 upper right side of loudspeaker ontology is stated equipped with second panel 16, is equipped with the second vibration-transmitting plate 15 below the second panel 16, described second Panel 16 is fixed on the second biography vibration column 17, and second vibration-transmitting plate 15 is fixed on the second biography vibration column 17, and described second passes vibration Column 17 is fixed on loudspeaker ontology 2, and described second passes below vibration column 17 equipped with the second vibrating diaphragm 18, and second vibrating diaphragm 18 is located at In loudspeaker ontology 2, the first panel 8 and second panel 16 are equipped with spacing block 14, and the loudspeaker ontology is equipped with through-hole 13, it is equipped with electric wire 10 described in electric wire 10 in through-hole 13 passes through through-hole 13 and connect with coil 7, the coil 7 is wrapped in balanced armature 5 On, permanent magnet 4 is equipped in the loudspeaker ontology 2, the balanced armature 5 passes through the middle part of 12 fixing permanent magnet 4 of pivot, described Permanent magnet 4 is fixed on magnet bottom plate 6, and the through-hole 13 is filled using glue 11.
A kind of double vibration-transmitting plate bone-conduction speaker manufacturing methods, include the following steps:
(1) vibration-transmitting plate and panel selection 304 stainless steel material of SUS or other similar stainless steels.
(2) first vibration-transmitting plates are fabricated to 0.08 thickness, and the second vibration-transmitting plate is fabricated to 0.5mm thickness.
(3) vibration-transmitting plate and panel surface fire are baked into heat treatment, generates black oxidation skin, using nonhazardous with inorganic The cleaning solution of additive is embathed, and the whitening processing purpose of stainless steel true qualities is reached.
(4) first the first vibration-transmitting plate is fixed on the first biography vibration column, in fixed first panel to passing on vibration column, is finally fixed First passes on vibration column to loudspeaker ontology,
(5) first the second vibration-transmitting plate is fixed on the second biography vibration column, in fixed second panel to passing on vibration column, is finally fixed First passes on vibration column to loudspeaker ontology,
(6) balanced armature length is 6mm, and coil is wound since from the 0.4mm of balanced armature top, and line footpath is 0.4mm, leading-in end of the end of inner most winding layer as coil, extraction of the end of outermost winding layer as coil End, leading-in end are located at the right end of balanced armature, and winding layer number is 8 layers.
(7) balanced armature for winding coil is fixed on the pivot of loudspeaker body interior.
(8) it is connected using electric wire with coil, electric wire passes through the through-hole on loudspeaker ontology, fills in through-holes UV is solidified, energy 100mW/cm2, the time: 30S by loctite3011, UV glue using ultraviolet light will play fixed electric wire Effect, while loudspeaker can be sealed.
(9) permanent magnet is pasted on the groove of magnet bottom plate, and is sealed.
(10) environment-friendly waterproof film finally is coated in loudspeaker body surface, entire loudspeaker is wrapped.
By above method, available one kind can receive low-frequency sound and the double vibration-transmitting plate osteoacusis loudspeakings of high-frequency sound Device, because the first vibration-transmitting plate thickness is only are as follows: 0.08mm, lesser sound can vibrate.Second vibration-transmitting plate with a thickness of 0.5mm, vibration-transmitting plate is thicker, and upper frequency can just make its vibration.
Embodiment 2, as shown in Figure 1, a kind of double vibration-transmitting plate bone-conduction speakers, including loudspeaker ontology 2 and permanent magnet 4, 2 upper left side of loudspeaker ontology is equipped with first panel 8, is equipped with the first vibration-transmitting plate 1 below the first panel 8, and described first Panel 8 is fixed on the first biography vibration column 9, and first vibration-transmitting plate 1 is fixed on 9 on the first biography vibration column, and described first, which passes vibration column 9, consolidates It is scheduled on loudspeaker ontology 2, described first passes below vibration column 9 equipped with the first vibrating diaphragm 3, and first vibrating diaphragm 3 is located at loudspeaker sheet In body 2,2 upper right side of loudspeaker ontology is equipped with second panel 16, is equipped with the second vibration-transmitting plate 15 below the second panel 16, The second panel 16 is fixed on the second biography vibration column 17, and second vibration-transmitting plate 15 is fixed on the second biography vibration column 17, described Second, which passes vibration column 17, is fixed on loudspeaker ontology 2, and described second passes below vibration column 17 equipped with the second vibrating diaphragm 18, second vibration Film 18 is located in loudspeaker ontology 2, and the first panel 8 and second panel 16 are equipped with spacing block 14, on the loudspeaker ontology It is equipped with electric wire 10 described in electric wire 10 equipped with through-hole 13, in through-hole 13 to connect across through-hole 13 with coil 7, the coil 7 is wrapped in On balanced armature 5, permanent magnet 4 is equipped in the loudspeaker ontology 2, the balanced armature 5 passes through 12 fixing permanent magnet 4 of pivot Middle part, the permanent magnet 4 are fixed on magnet bottom plate 6, and the through-hole 13 is filled using glue 11.
A kind of double vibration-transmitting plate bone-conduction speaker manufacturing methods, include the following steps:
(1) vibration-transmitting plate and panel selection 304 stainless steel material of SUS or other similar stainless steels.
(2) first vibration-transmitting plates are fabricated to 0.2mm thickness, and the second vibration-transmitting plate is fabricated to 0.5mm thickness.
(3) vibration-transmitting plate and panel surface fire are baked into heat treatment, generates black oxidation skin, using nonhazardous with inorganic The cleaning solution of additive is embathed, and the whitening processing purpose of stainless steel true qualities is reached.
(4) first the first vibration-transmitting plate is fixed on the first biography vibration column, in fixed first panel to passing on vibration column, is finally fixed First passes on vibration column to loudspeaker ontology,
(5) first the second vibration-transmitting plate is fixed on the second biography vibration column, in fixed second panel to passing on vibration column, is finally fixed First passes on vibration column to loudspeaker ontology,
(6) balanced armature length is 6mm, and coil is wound since from the 0.4mm of balanced armature top, and line footpath is 0.4mm, leading-in end of the end of inner most winding layer as coil, extraction of the end of outermost winding layer as coil End, leading-in end are located at the right end of balanced armature, and winding layer number is 8 layers.
(7) balanced armature for winding coil is fixed on the pivot of loudspeaker body interior.
(8) it is connected using electric wire with coil, electric wire passes through the through-hole on loudspeaker ontology, fills in through-holes UV is solidified, energy 100mW/cm2, the time: 30S by loctite3011, UV glue using ultraviolet light will play fixed electric wire Effect, while loudspeaker can be sealed.
(9) permanent magnet is pasted on the groove of magnet bottom plate, and is sealed.
(10) environment-friendly waterproof film finally is coated in loudspeaker body surface, entire loudspeaker is wrapped.
It is available a kind of to can receive intermediate frequency sound and double vibration-transmitting plate osteoacusis of high-frequency sound are raised by above method Sound device, because of the first vibration-transmitting plate thickness are as follows: 0.2mm, intermediate frequency sound can vibrate, and the thickness of the second vibration-transmitting plate is also 0.5mm, compared with It is high-frequency just to make its vibration.
The preferred embodiment of the present invention has been described above in detail, still, during present invention is not limited to the embodiments described above Detail a variety of equivalents can be carried out to technical solution of the present invention within the scope of the technical concept of the present invention, this A little equivalents all belong to the scope of protection of the present invention.

Claims (7)

1. a kind of double vibration-transmitting plate bone-conduction speakers, including loudspeaker ontology and permanent magnet, it is characterised in that: the loudspeaker sheet Body upper left side is equipped with first panel, is equipped with the first vibration-transmitting plate below the first panel, the first panel is fixed on the first biography It shakes on column, first vibration-transmitting plate is fixed on the first biography vibration column, and described first, which passes vibration column, is fixed on loudspeaker ontology, described First passes below vibration column equipped with the first vibrating diaphragm, and first vibrating diaphragm is located in loudspeaker ontology, loudspeaker ontology upper right side Equipped with second panel, the second vibration-transmitting plate is equipped with below the second panel, the second panel is fixed on the second biography vibration column, institute It states the second vibration-transmitting plate to be fixed on the second biography vibration column, described second, which passes vibration column, is fixed on loudspeaker ontology, and described second passes vibration The second vibrating diaphragm is equipped with below column, second vibrating diaphragm is located in loudspeaker ontology, the first panel and second panel be equipped with every From block, the loudspeaker ontology is equipped with through-hole, and electric wire is equipped in the through-hole, and the electric wire passes through through-hole and connect with coil, The coil is wrapped on balanced armature, and permanent magnet is equipped in the loudspeaker ontology, and the balanced armature is fixed by pivot The middle part of permanent magnet, the permanent magnet are fixed on magnet bottom plate, and the through-hole is filled using glue.
2. a kind of double vibration-transmitting plate bone-conduction speakers according to claim 1, it is characterised in that: first vibration-transmitting plate Thickness are as follows: 0.08-0.2mm, the thickness of the second vibration-transmitting plate are as follows: 0.2-0.5mm.
3. a kind of double vibration-transmitting plate bone-conduction speakers according to claim 1, it is characterised in that: set on the magnet bottom plate It is fluted.
4. a kind of double vibration-transmitting plate bone-conduction speakers according to claim 1, it is characterised in that: the glue is happy safe Loctite3011 medical type UV solidification glue.
5. a kind of double vibration-transmitting plate bone-conduction speakers according to claim 1, it is characterised in that: first face and second Panel is on same level face.
6. a kind of double vibration-transmitting plate bone-conduction speakers according to claim 1, it is characterised in that: the height of the spacing block Sustained height is kept with first panel and second panel.
7. a kind of manufacturing method of double vibration-transmitting plate bone-conduction speakers described in a kind of claim l, it is characterised in that: including such as Lower specific steps:
(1) vibration-transmitting plate and panel select 304 stainless steel material of SUS;
(2) first vibration-transmitting plates are fabricated to 0.08-0.2mm thickness, and the second vibration-transmitting plate is fabricated to 0.2-0.5mm thickness;
(3) vibration-transmitting plate and panel surface fire are baked into heat treatment, generates black oxidation skin, have inorganic addition using nonhazardous The cleaning solution of agent is embathed, and the whitening processing purpose of stainless steel true qualities is reached;
(4) first the first vibration-transmitting plate is fixed on the first biography vibration column, in fixed first panel to passing on vibration column, finally fixes first It passes on vibration column to loudspeaker ontology;
(5) first the second vibration-transmitting plate is fixed on the second biography vibration column, in fixed second panel to passing on vibration column, finally fixes first It passes on vibration column to loudspeaker ontology;
(6) balanced armature length is 6mm, and coil is wound since from the 0.4mm of balanced armature top, line footpath 0.4mm, most Leading-in end of the end of internal winding layer as coil, exit of the end of outermost winding layer as coil introduce End is located at the right end of balanced armature, and winding layer number is 8 layers;
(7) balanced armature for winding coil is fixed on the pivot of loudspeaker body interior;
(8) it being connected using electric wire with coil, electric wire passes through the through-hole on loudspeaker ontology, loctite3011 is filled in through-holes, UV glue, UV is solidified to, energy 100mW/cm2, the time: 30S using ultraviolet light will play the role of fixed electric wire, while can To seal loudspeaker;
(9) permanent magnet is pasted on the groove of magnet bottom plate, and is sealed;
(10) environment-friendly waterproof film finally is coated in loudspeaker body surface, entire loudspeaker is wrapped.
CN201610644444.8A 2016-08-09 2016-08-09 A kind of double vibration-transmitting plate bone-conduction speakers and its manufacturing method Active CN106210996B (en)

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US20190174233A1 (en) * 2017-04-21 2019-06-06 Temco Japan Co., Ltd. Bone conduction speaker unit
CN113596212A (en) * 2020-04-30 2021-11-02 中兴通讯股份有限公司 EMA vibration transmission structure, mobile terminal, sound production method and computer storage medium

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CN102497611A (en) * 2011-12-23 2012-06-13 深圳市韶音科技有限公司 Bone conduction speaker driver with reduced volume
CN104936108A (en) * 2015-06-11 2015-09-23 胡锦翔 Bone conduction loudspeaker device
WO2016003187A1 (en) * 2014-07-01 2016-01-07 메아리소닉코리아 주식회사 Bone conduction speaker module and bone conduction earphones having bone conduction speaker modules

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KR101135396B1 (en) * 2006-07-03 2012-04-17 아이필유(주) Multi-function micro speaker

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Publication number Priority date Publication date Assignee Title
CN102497611A (en) * 2011-12-23 2012-06-13 深圳市韶音科技有限公司 Bone conduction speaker driver with reduced volume
WO2016003187A1 (en) * 2014-07-01 2016-01-07 메아리소닉코리아 주식회사 Bone conduction speaker module and bone conduction earphones having bone conduction speaker modules
CN104936108A (en) * 2015-06-11 2015-09-23 胡锦翔 Bone conduction loudspeaker device

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Denomination of invention: Bone conductive loudspeaker with double vibration conductive sheets and preparation method thereof

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