CN1976540A - Bone conductive speaker - Google Patents
Bone conductive speaker Download PDFInfo
- Publication number
- CN1976540A CN1976540A CNA2006101075320A CN200610107532A CN1976540A CN 1976540 A CN1976540 A CN 1976540A CN A2006101075320 A CNA2006101075320 A CN A2006101075320A CN 200610107532 A CN200610107532 A CN 200610107532A CN 1976540 A CN1976540 A CN 1976540A
- Authority
- CN
- China
- Prior art keywords
- magnet
- bone
- center pole
- vibration
- sound
- 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.)
- Granted
Links
- 210000000988 bone and bone Anatomy 0.000 title abstract description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052742 iron Inorganic materials 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000005236 sound signal Effects 0.000 abstract description 3
- 210000000860 cochlear nerve Anatomy 0.000 description 3
- 150000002505 iron Chemical class 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 206010036626 Presbyacusis Diseases 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 208000009800 presbycusis Diseases 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 210000003625 skull Anatomy 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R13/00—Transducers having an acoustic diaphragm of magnetisable material directly co-acting with electromagnet
- H04R13/02—Telephone receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
- H04R2460/13—Hearing devices using bone conduction transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
The provide manufacturing technology and method for a bone conductive speaker that enables a person to be aware and recognize audio signal, with the cranial bones of a human body, through the vibrations of a vibrator. In a bone conductive speaker, a magnet is not installed proximately to a voice coil in a configuration box, but one magnet is installed in an upper portion of an iron piece. Thus, the trouble of matching magnet directionality is eliminated, not only characteristics adjustment can be made wider by enlarging the size of the voice coil, but also strength adjustment that depends on the changes in the size of the magnet can be significantly facilitated, and the bone conductive speaker can be made small-sized and lightweight.
Description
Technical field
The present invention is the vibration of the conscious perception oscillator of relevant human body head bone and bone-conduction speaker technology and the manufacture method of discerning audio signal.
Background technology
The hearing aids that occupational and presbycusis patient use, or to listen on one side bone-conduction speakers such as headphone in the telecommunication equipment that the telephone traffic center of conversation again of talking on one side uses on every side, not to make air vibration by means of oscillating plate, the mechanism of sound wave and then conduction takes place, but sound is become vibration by means of oscillator, the osteoacusis mechanism of propagating by direct contact object, promptly on human cranium, apply vibration, such vibration is just by the auditory nerve perception, that is sound wave is communicated to the auditory nerve of human body, rather than sound is carried out identification by the vibration of eardrum by means of the vibration of bone.
The bone-conduction speaker of this purpose is speciallyyed permit No. 2967777 by Japan and has been invented.Previous invention has structure as shown in Figure 7: place center pole (2) and sound coil (3) in having the vibration acoustic resonator (1) of elongated surfaces, place the position (4,4 ') of magnet in subtend and go up placement cuboid magnet (5,5 ').Such structure is improved,, increased the winding turns of sound coil simultaneously, thereby improve the conducting effect of sound, dwindle overall dimension so that can apply flexibly loud speaker and increase the diameter of center pole (2).
No. the 2967777th, " references " Japan special permission communique
Previous invention structurally requires to place the cuboid magnet of two mutual subtends in both sides.Such structure causes manufacturing process unreasonable, becomes the essential factor that reduces productivity ratio again, two magnet is set not only causes production cost to rise, and also will be placed on magnet on the position of mutual subtend when assembling.Direction as magnet can not correctly be integrated, and its characteristic will be affected, thereby just can not guarantee high production rate, some intrinsic problems of previous invention that Here it is.
The present invention carries out for solving above-mentioned problem, magnet is kept clear of the sound coil setting, but change into a magnet is set on the top of iron plate, thereby can avoid the magnet direction is carried out the strict tired work of adjusting of returning to work, and the size of sound coil is increased, more can increase considerably the amplitude of adjustment, also can adjust intensity according to the variation of magnet size easily, thus the bone-conduction speaker that realization provides miniaturization and lightweight to have both.
Summary of the invention
For reaching above-mentioned purpose, key of the present invention is to make bone-conduction speaker by following method: when making extension on the vibration acoustic resonator, sound coil and center pole are installed again, have fixedly adhered to the oscillating plate of iron plate thereon, and adhere to permanent magnet on the top of iron plate.
In loud speaker of the present invention, a permanent magnet is exactly unit parts, thereby has save the magnet directivity is carried out the strict necessity of adjusting, and makes assembly working become very simple, and can expect to reduce production costs significantly, enhance productivity; And because magnet is not the periphery at sound coil, but on the top of iron plate, the useful space is enlarged, the size of sound coil also can be adjusted thereupon, thereby the adjusting range of characteristic also just becomes big, because can adjust the size of magnet,, be a very useful invention again so can expect to develop to miniaturization and lightweight direction.
Vibration acoustic resonator among the present invention, its two ends make progress upright end portion when having increased sense of stability, the permanent magnet magnetic force line of placing on top, form magnetic field from the central part of sound coil by the end portion that makes progress upright, thereby make the electric and magnetic oscillation of sound coil can more effectively convert the vibration of oscillating plate to.
On vibration acoustic resonator of the present invention, also can place a plurality of sound coils and center pole.
Description of drawings
The exploded perspective view of Fig. 1 embodiment of the invention
The longitudinal sectional drawing of Fig. 2 embodiment of the invention
Fig. 3 is accommodated in the embodiment of the invention longitudinal sectional drawing in the outer casing container
Fig. 4 contains the longitudinal sectional drawing of other embodiment
Fig. 5 contains the plane graph of other embodiment
Fig. 6 contains the plane graph of other embodiment
The floor map of the existing inventive embodiments of Fig. 7
Embodiment
Fig. 1 is one and adopts bone-conduction speaker embodiment exploded perspective view of the present invention that Fig. 2 is the longitudinal sectional drawing of above-mentioned bone-conduction speaker embodiment.
In sleeve (do not have among the figure show), make on extension 30,30 from the vibration acoustic resonator 20 of setting to four direction ', and sound coil 40 and center pole 50 are installed thereon, and have fixedly adhered to the oscillating plate 70 of iron plate 60 at an upper portion thereof with screw 80.
In the center upper portion of iron plate 60, adhere to permanent magnet 90.
More detailed description is as follows: vibration acoustic resonator 20 is made like this, and standing at the plate-like portion center of mounting sound coil 40 is provided with center pole 50, again in the periphery of plate-like portion along four direction make radial extension 30,30 '.2 extensions 30 of subtend are identical with above-mentioned plate-like portion thickness, and with extension 30 vertical direction on 2 extensions 30 ' upper surface also higher than the height of sound coil 40 and center pole 50, and all be drilled with screw hole on each upper surface.
On the one hand, from plane graph, oscillating plate 70 be with four direction on have extension 30,30 ' vibration acoustic resonator 20 have substantially identical and slightly be criss-cross plate body, simultaneously with extension 30 ' on the corresponding position of screw hole also be drilled with the screw that inserts screw 80.So, oscillating plate 70 just with screw 80 be fixed in two extensions 30 of vibration acoustic resonator 20 ' on, like this, just formed slight gap (representing on the horizontal direction in the drawings) between the upper surface of oscillating plate 70 and sound coil 40 and center pole 50.
Rectangular groove is arranged on the upper surface of oscillating plate 70, in groove, adhere to iron plate 60.This iron plate 60 passes through at 30 of two extensions that do not have screw hole and is banded substantially, and its about central part drops on the center pole 50.In addition, the two ends of this iron plate are fixed on the oscillating plate 70.
At the middle body of iron plate 60, promptly on the position corresponding, place permanent magnet 90 with center pole 50.
Such structure can make plate portion and the prolongation 30 of the magnetic line of force of permanent magnet 90 by iron plate 60, center pole 50, vibration acoustic resonator 20,30 ' return permanent magnet 90, form magnetic field, be in the same place and iron plate 60 is inhaled with center pole 50 always by the strength that this magnetic field produced.
When sound import electric current in sound coil 40, in center pole 50, produce magnetic force, with the variation of iron plate 60 and 50 attractions of center pole, oscillating plate 70 just begins vibration.
When Fig. 3 has installed outer casing container 10 for bone-conduction speaker of the present invention, the sectional arrangement drawing of embodiment.
Describe in detail: vibration acoustic resonator 20, sound coil 40 are contained in the outer casing container 10 of top opening, and oscillating plate 70 is fixed on the lid of outer casing container by screw 80.The top of oscillating plate 70 and sound coil 40 and center pole 50 is shown among the figure on the horizontal direction with regard to having formed slight gap like this.With the central part of oscillating plate 70 is on the corresponding position of center pole 50, places permanent magnet 90.Yet in this figure, do not show iron plate 60.
Fig. 4 has represented other embodiment.According to the actual conditions needs, prepared the upright end portion that makes progress at the two ends of vibration acoustic resonator 20, so that have sense of stability.
In the embodiment shown in Fig. 1,2, the vibration acoustic resonator 20 upright end portion 100 that makes progress also can be made on the extension 30 that does not have the drilling screw hole.So, because the plate-like portion of permanent magnet magnetic force line by iron plate 60, center pole 50, vibration acoustic resonator 20, extension 30,30 ' and upstanding portion 100 upwards, return permanent magnet, form magnetic field, magnetic field is stable, and the acoustical vibration of oscillating plate 70 is also stable.
Under the situation of above-mentioned various embodiment, the shape of permanent magnet 90 can be circle, also can be quadrangle.
As Fig. 5, shown in Figure 6, as other embodiments of the invention, can in vibration acoustic resonator 20, place a plurality of sound coils (for example 2 or 3), correspondingly also form a plurality of center pole 50.
In such invention, produce acoustic current-meter from sound coil 40 by voice signal, on center pole 50, produce the N utmost point and the S utmost point magnetic force of alternation, and by with the attraction and the repulsive force reciprocation of permanent magnet 90, make oscillating plate 70 vibrations, and such vibration can be delivered to skull by skin.This vibration has the wavelength characteristic that can stimulate human body auditory nerve, perceives sound signal.
For in use producing sense of stability, can be made into the upright end portion that makes progress at the two ends of vibration acoustic resonator 20.
Owing to placed permanent magnet 90 on the top of oscillating plate 70, the shape of magnet is to not influence of properties of product, even and the variation of the size of magnet does not influence assembling operation yet.
As mentioned above, for making bone-conduction speaker, use a permanent magnet in the present invention, thereby save the necessary strict tired multiple operation of adjusting the magnet direction, make packaging technology become very simple, thereby can reduce production costs as the unit parts; Again because the non-outside that is positioned at sound coil of magnet, but, can enlarge the useful space on the top of iron plate, and can strengthen the size of sound coil, thereby the size of scalable magnet and the scope that characteristic is adjusted become big, also can make integral miniaturization, lightweight, are very useful inventions.
Symbol description:
10: sleeve
20: the vibration acoustic resonator
30/30 ': prolongation
40: sound coil
50: center pole
60: iron plate
70: oscillating plate
80: screw
90: permanent magnet
100: upright end portion makes progress
Claims (3)
1. bone-conduction speaker, it is characterized in that: on vibration resonator (20), make extension (30,30 ') time, sound coil (40) and center pole (50) are installed again, and fixedly adhered to the oscillating plate (70) of iron plate (60) at an upper portion thereof, adhere to permanent magnet (90) on the top of iron plate (60).
2. the described bone-conduction speaker of claim 1, it is characterized in that: the two ends of above-mentioned vibration resonator (20) have the upright end portion (100) that makes progress.
3. claim 1 or 2 described bone-conduction speakers is characterized in that: a plurality of sound coils (40) and center pole (50) can be installed on above-mentioned vibration resonator (20).
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020050085154 | 2005-09-13 | ||
| KR1020050085154A KR100635833B1 (en) | 2005-09-13 | 2005-09-13 | Bone conductive speaker |
| KR10-2005-0085154 | 2005-09-13 | ||
| JP2005334524A JP4687415B2 (en) | 2005-09-08 | 2005-11-18 | Bone conduction speaker |
| JP2005-334524 | 2005-11-18 | ||
| JP2005334524 | 2005-11-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1976540A true CN1976540A (en) | 2007-06-06 |
| CN1976540B CN1976540B (en) | 2011-11-09 |
Family
ID=37621444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101075320A Expired - Fee Related CN1976540B (en) | 2005-09-13 | 2006-07-20 | Bone conductive speaker |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100635833B1 (en) |
| CN (1) | CN1976540B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009124462A1 (en) * | 2008-04-09 | 2009-10-15 | Hu Qiang | A bone-conduction sensor |
| CN102014328A (en) * | 2010-12-24 | 2011-04-13 | 金在善 | Bone-conduction headphone |
| WO2012083551A1 (en) * | 2010-12-24 | 2012-06-28 | Jin Zaishan | Bone conduction earphone |
| CN105394862A (en) * | 2015-11-20 | 2016-03-16 | 陈昊 | Resonant sound making helmet |
| CN105959885A (en) * | 2016-05-26 | 2016-09-21 | 歌尔声学股份有限公司 | Bone conduction loudspeaker |
| WO2017016138A1 (en) * | 2015-07-29 | 2017-02-02 | 东莞市远峰科技有限公司 | Cycling helmet capable of switching vocal guide mode based on bone conduction earphones |
| US20210322719A1 (en) * | 2018-12-21 | 2021-10-21 | Cochlear Limited | Therapeutic sound through bone conduction |
| CN114258688A (en) * | 2019-09-18 | 2022-03-29 | ＢｏＣｏ株式会社 | Pickup sensor and bone conduction speaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2967777B1 (en) * | 1998-06-08 | 1999-10-25 | 株式会社テムコジャパン | Bone conduction speaker |
| JP3794986B2 (en) | 2002-05-28 | 2006-07-12 | 株式会社テムコジャパン | Bone conduction speaker |
| JP2004274593A (en) | 2003-03-11 | 2004-09-30 | Temuko Japan:Kk | Bone conduction speaker |
| JP2005086795A (en) | 2003-09-10 | 2005-03-31 | Seishiyuku Okubo | Bone conduction loudspeaker unit |
| JP2005323054A (en) | 2004-05-07 | 2005-11-17 | Azden Corp | Bone conduction speaker |
-
2005
- 2005-09-13 KR KR1020050085154A patent/KR100635833B1/en not_active IP Right Cessation
-
2006
- 2006-07-20 CN CN2006101075320A patent/CN1976540B/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009124462A1 (en) * | 2008-04-09 | 2009-10-15 | Hu Qiang | A bone-conduction sensor |
| CN102014328A (en) * | 2010-12-24 | 2011-04-13 | 金在善 | Bone-conduction headphone |
| WO2012083551A1 (en) * | 2010-12-24 | 2012-06-28 | Jin Zaishan | Bone conduction earphone |
| US10517348B2 (en) | 2015-07-29 | 2019-12-31 | Dongguang Yuanfeng Technology Co., Ltd. | Cycling helmet capable of switching sound production guidance mode based on bone conduction earphone |
| WO2017016138A1 (en) * | 2015-07-29 | 2017-02-02 | 东莞市远峰科技有限公司 | Cycling helmet capable of switching vocal guide mode based on bone conduction earphones |
| GB2558340A (en) * | 2015-07-29 | 2018-07-11 | Dongguan Yuanfeng Tech Co Ltd | Cycling helmet capable of switching vocal guide mode based on bone conduction earphones |
| AU2015404090B2 (en) * | 2015-07-29 | 2018-12-20 | Dongguan Yuanfeng Technology Co., Ltd. | Cycling helmet capable of switching sound production guidance mode based on bone conduction earphone |
| CN105394862A (en) * | 2015-11-20 | 2016-03-16 | 陈昊 | Resonant sound making helmet |
| CN105959885A (en) * | 2016-05-26 | 2016-09-21 | 歌尔声学股份有限公司 | Bone conduction loudspeaker |
| CN105959885B (en) * | 2016-05-26 | 2018-10-30 | 歌尔股份有限公司 | Bone-conduction speaker |
| US20210322719A1 (en) * | 2018-12-21 | 2021-10-21 | Cochlear Limited | Therapeutic sound through bone conduction |
| US11969556B2 (en) * | 2018-12-21 | 2024-04-30 | Cochlear Limited | Therapeutic sound through bone conduction |
| CN114258688A (en) * | 2019-09-18 | 2022-03-29 | ＢｏＣｏ株式会社 | Pickup sensor and bone conduction speaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1976540B (en) | 2011-11-09 |
| KR100635833B1 (en) | 2006-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20130720 |