CN107005759A - Bone conduction earphone - Google Patents
Bone conduction earphone Download PDFInfo
- Publication number
- CN107005759A CN107005759A CN201580070643.6A CN201580070643A CN107005759A CN 107005759 A CN107005759 A CN 107005759A CN 201580070643 A CN201580070643 A CN 201580070643A CN 107005759 A CN107005759 A CN 107005759A
- Authority
- CN
- China
- Prior art keywords
- bone
- earhole
- conduction speaker
- conduction
- air borne
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 21
- 239000011521 glass Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 241000746998 Tragus Species 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 210000003454 tympanic membrane Anatomy 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000005062 synaptic transmission Effects 0.000 description 1
Classifications
-
- 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
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1091—Details not provided for in groups H04R1/1008 - H04R1/1083
-
- 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
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
-
- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/028—Casings; Cabinets ; Supports therefor; Mountings therein associated with devices performing functions other than acoustics, e.g. electric candles
-
- 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
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1058—Manufacture or assembly
- H04R1/1075—Mountings of transducers in earphones or headphones
-
- 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)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Headphones And Earphones (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
【Problem】It regard the bone conduction earphone for providing following as problem:In the case where the normal person of hearing carries out use, can be in the case where not blocking earhole with high tone quality appreciation music, in addition, also music can be listened while carrying out listening to for outside sound, even if for example, listening music while jogging, can also carry out listening to from outside call, police whistle sound etc., therefore, it is possible to safely use.【Solution】Possess:Bone-conduction speaker 1 and be installed on bone-conduction speaker 1 framework 2 air borne sound loudspeaker 3, and, it is configured as the bone-conduction speaker 1 when putting on and is located at the front of earhole 11, also, is configured as the playback mouthful 4 of air borne sound loudspeaker 3 directly or indirectly towards earhole 11.
Description
Technical field
The present invention relates to bone conduction earphone, being related in more detail can be or not the normal person of hearing carries out use
The bone conduction earphone of sound, the music of high tone quality etc. is safely appreciated in the case of blocking earhole.
Background technology
It is used as the earphone of osteoacusis formula, it is known to the ear that speaker section is configured in front of the earhole comprising tragus to use
Hanging osteoacusis formula earphone(With reference to Fig. 7 of patent document 1).It is compared with conventional common earphone, with can be not
Sound, the advantage of music are listened in the case of blocking earhole, on the contrary, in the case where listening to music, in bone-conduction speaker
Vibration output via the skin and cranium of human body in the relation of auditory neurotransmission signal, higher frequency component via
The time point of skin significantly decays and deteriorates such shortcoming with tonequality.
In addition, in the case where the normal person of hearing uses bone conduction earphone, bone-conduction speaker can be listened to via eardrum
The air vibration that main body is produced, therefore, higher frequency is corrected and can heard to a certain degree, still, and without sufficiently frequency
Rate scope.Then, the air borne sound component integrally produced from bone-conduction speaker unit main body is entered by the framework than larger weight
Row is vibrated and produced, therefore, and the regeneration of the higher frequency of necessity and sufficiency is not expected on its construction.
Prior art literature
Patent document
Patent document 1:WO2008/029515.
The content of the invention
The invention problem to be solved
The supra-aural bone conduction earphone used speaker section is configured in front of the earhole comprising tragus as described above
In the case of, compared with conventional common earphone, with can be listened in the case where not blocking earhole sound, music it is excellent
Point, on the contrary, having the such shortcoming of tonequality deterioration in the case where listening to music.
Therefore, the present invention is used as problem using following bone conduction earphone is provided:Situation about being used in the normal person of hearing
Under, can be in the case where not blocking earhole with high tone quality appreciation music, it is further possible to listen music while carrying out outside
Sound is listened to, even if for example, listen music while jogging, can also carry out listening to from outside call, police whistle sound etc.,
Therefore, it is possible to safely use.
Scheme for solving problem
The invention of claim 1 for solving above-mentioned problem is, a kind of bone conduction earphone, it is characterised in that possess:Osteoacusis
Loudspeaker and be installed on the bone-conduction speaker framework air borne sound loudspeaker, also, be configured as putting on when institute
State bone-conduction speaker and be located at the front of earhole, also, be configured as the playback mouthful of the air borne sound loudspeaker directly or indirectly
Ground is towards earhole.
In one embodiment, it is extended in the playback mouthful of the air borne sound loudspeaker and has leading towards earhole opening
To device, in addition, the bone-conduction speaker is installed on the top of ear-hang instrument.
In one embodiment, the bone-conduction speaker is arranged at the temple of glasses, is raised one's voice in the air borne sound
The playback mouth of device is provided with the acoustic conducting pipe extended towards earhole.
Invention effect
The present invention possesses as described above:Bone-conduction speaker and be installed on the bone-conduction speaker framework conductance
Sound loudspeaker, also, be configured as when the putting on bone-conduction speaker and be located at the front of earhole, also, it is configured as institute
The playback mouthful of air borne sound loudspeaker is stated towards earhole, therefore, with effect as follows:Used in the normal person of hearing
In the case of, can be in the case where not blocking earhole with high tone quality appreciation music, it is further possible to listen music while carrying out
Outside sound is listened to, even if for example, listen music while jogging, also can carry out from outside call, police whistle sound etc.
Listen to, therefore, it is possible to safely use.
In addition, air borne sound loudspeaker is substantially due to the height of the frequency band covering to that can not be had by bone-conduction speaker
Purpose that frequency component is filled up and the loudspeaker used, also, due to need not in low frequency characteristic, so can use minimum
The unit of type, therefore, even if being two divided-frequency construction, it may have the effect of small-sized construction can be made on the whole.
Brief description of the drawings
Fig. 1 is the bone conduction earphone for showing the present invention(headphone)An embodiment use state front
Figure.
Fig. 2 is the profilograph for the use state for showing the bone conduction earphone shown in Fig. 1.
Fig. 3 is the front elevation of the use state for another embodiment for showing the bone conduction earphone of the present invention.
Embodiment
Illustrated by accompanying drawing in the way of according to come to for implementing the present invention.The bone conduction earphone of the present invention is as schemed
The earphone of such supra-aural that bone-conduction speaker 1 is configured at into the front of earhole 11 to use shown in 1, it is characterised in that by with
It is set to the conductance installed when putting in the framework 2 of bone-conduction speaker 1(air conduction)The playback mouthful of sound loudspeaker 3
4 directly or indirectly towards earhole 11(Reference picture 2).In the case of this embodiment, bone-conduction speaker 1 is installed on ear-hang
The top of instrument 5.
Sometimes in the extended guider having towards the opening of earhole 11 of playback mouthful 4 of air borne sound loudspeaker 3(guide)
4a.Guider 4a makes the direction of transfer of the air borne sound sent from playback mouthful 4 concentrate on earhole 11, and realizing makes to outside sound
Spill the effect of reduction as far as possible.
Air borne sound loudspeaker 3 is the loudspeaker of the minimal type for the framework 2 that can be installed on bone-conduction speaker 1.That is, conductance
Sound loudspeaker 3 is substantially due to the high frequency of the frequency band covering to that can not be had by bone-conduction speaker 1(high
frequency)Purpose that component is filled up and the loudspeaker used, also, due to need not in low frequency characteristic, so can
Use the unit of minimal type.Therefore, even if being two divided-frequency(two-way)Construction, can also be summarised as small-sized on the whole.
In the case of the bone conduction earphone of said structure, when putting on, on bone-conduction speaker 1, its framework and ear
The part slightly before in hole 11 and tragus(tragus)12 are abutted, and osteoacusis signal is transmitted.In addition, simultaneously, from conductance
The air borne sound of sound loudspeaker 3 is listened to from 4 playbacks of playback mouthful towards earhole 11 via eardrum.Conductance from playback mouthful 4
Sound is suppressed to minimum towards the neighbouring playback of earhole 11 therefore, it is possible to which peripherad sound is spilt.Set in the extension of playback mouthful 4
In the case of being equipped with guider 4a, improve sound and spill inhibition.
In the case of the bone conduction earphone of the present invention, in the state of like this opening earhole 11, low frequency components
It can be listened to mainly as the bone conduction sound from bone-conduction speaker 1, in addition, high fdrequency component can be mainly as from air borne sound
The air borne sound of loudspeaker 3 is listened to, accordingly, it is capable to listening under realizing high tone quality.
Embodiment shown in Fig. 3 is that bone-conduction speaker 1 and the air borne sound loudspeaker 3 integral with it are arranged at into glasses
Temple(temple)7 mode.Then, in this case, it is provided with the playback mouthful 4 of air borne sound loudspeaker 3 towards earhole
The acoustic conducting pipe of 11 extensions(sound guide tube)6.
In the case of this embodiment, low frequency components are also passed mainly as the bone conduction sound from bone-conduction speaker 1
Pass, in addition, the high fdrequency component main playback from air borne sound loudspeaker 3 mouthful 4 is sent as air borne sound, via acoustic conducting pipe 6 towards ear
The playback of hole 11, thus, can realize listening under high tone quality.
The invention is set in detail and its most preferred embodiment to be illustrated to a certain degree, still, certainly can be
Different embodiments are widely constituted in the case of not violating the spirit and scope of the invention.Accordingly, with respect to the invention, except
The specific embodiment is not restricted to beyond being limited in additional claims.
Claims (4)
1. a kind of bone conduction earphone, it is characterised in that possess:Bone-conduction speaker and it is installed on the bone-conduction speaker
Framework air borne sound loudspeaker, also, be configured as the front that when the putting on bone-conduction speaker is located at earhole, and
And, the playback mouthful of the air borne sound loudspeaker is configured as directly or indirectly towards earhole.
2. bone conduction earphone according to claim 1, wherein, being extended in the playback mouthful of the air borne sound loudspeaker has
Towards the guider of earhole opening.
3. bone conduction earphone according to claim 1 or 2, wherein, the bone-conduction speaker is installed on ear-hang instrument
Top.
4. bone conduction earphone according to claim 1, wherein, the bone-conduction speaker is arranged at the temple of glasses,
The acoustic conducting pipe extended towards earhole is installed in the playback mouth of the air borne sound loudspeaker.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014259684 | 2014-12-24 | ||
JP2014-259684 | 2014-12-24 | ||
PCT/JP2015/082250 WO2016103983A1 (en) | 2014-12-24 | 2015-11-17 | Bone conduction headphone |
Publications (1)
Publication Number | Publication Date |
---|---|
CN107005759A true CN107005759A (en) | 2017-08-01 |
Family
ID=56150016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580070643.6A Pending CN107005759A (en) | 2014-12-24 | 2015-11-17 | Bone conduction earphone |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3125573A4 (en) |
JP (1) | JPWO2016103983A1 (en) |
CN (1) | CN107005759A (en) |
WO (1) | WO2016103983A1 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109143580A (en) * | 2018-08-04 | 2019-01-04 | 瑞声科技(新加坡)有限公司 | A kind of augmented reality glasses |
CN109547891A (en) * | 2019-01-22 | 2019-03-29 | 海商电子(深圳)有限公司 | Novel combined earphone |
CN110493679A (en) * | 2019-08-26 | 2019-11-22 | 成都法兰特科技有限公司 | The control method and earphone of earphone sounding |
CN111183655A (en) * | 2017-08-18 | 2020-05-19 | 脸谱科技有限责任公司 | Cartilage conduction audio system of glasses equipment |
CN111698608A (en) * | 2020-07-02 | 2020-09-22 | 昆山众赢昌盛贸易有限公司 | Bone conduction earphone |
CN111988696A (en) * | 2020-08-31 | 2020-11-24 | 歌尔科技有限公司 | Earphone set |
WO2021143117A1 (en) * | 2020-01-19 | 2021-07-22 | 朱达云 | Earhook bone conduction device |
WO2021196624A1 (en) * | 2020-03-31 | 2021-10-07 | Shenzhen Voxtech Co., Ltd. | Acoustic output device |
US20210409875A1 (en) | 2019-12-13 | 2021-12-30 | Shenzhen Voxtech Co., Ltd. | Sound-output device |
WO2022213459A1 (en) * | 2021-04-09 | 2022-10-13 | 深圳市韶音科技有限公司 | Acoustic output device |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10277971B2 (en) | 2016-04-28 | 2019-04-30 | Roxilla Llc | Malleable earpiece for electronic devices |
EP3445066B1 (en) * | 2017-08-18 | 2021-06-16 | Facebook Technologies, LLC | Cartilage conduction audio system for eyewear devices |
US10757501B2 (en) * | 2018-05-01 | 2020-08-25 | Facebook Technologies, Llc | Hybrid audio system for eyewear devices |
KR102533570B1 (en) * | 2019-04-30 | 2023-05-19 | 썬전 샥 컴퍼니 리미티드 | sound output device |
CN112995825A (en) * | 2019-12-13 | 2021-06-18 | 深圳市韶音科技有限公司 | Sound output device |
CN111565349A (en) * | 2020-04-21 | 2020-08-21 | 深圳鹤牌光学声学有限公司 | Bass sound transmission method based on bone conduction sound transmission device |
KR102667202B1 (en) | 2022-10-20 | 2024-05-20 | 주식회사 엠아이제이 | Bone conduction headset |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59191996A (en) * | 1983-04-15 | 1984-10-31 | Shigeru Tsutsumi | Hearing aid |
KR20060043937A (en) * | 2004-11-11 | 2006-05-16 | 주성대학산학협력단 | Ear-phone |
CN101310557A (en) * | 2006-02-01 | 2008-11-19 | 索尼株式会社 | Electro-acoustic converter and ear speaker device |
CN202721792U (en) * | 2012-08-02 | 2013-02-06 | 北京美尔斯通科技发展股份有限公司 | Wireless headset with combination of bone conduction and air conduction |
US20130051585A1 (en) * | 2011-08-30 | 2013-02-28 | Nokia Corporation | Apparatus and Method for Audio Delivery With Different Sound Conduction Transducers |
CN204031403U (en) * | 2014-06-20 | 2014-12-17 | 唐双庆 | Osteoacusis and air transmitted combination earphone |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004266321A (en) * | 2003-01-22 | 2004-09-24 | Hitachi Maxell Ltd | Ear installation-type calling device |
CN1984505A (en) * | 2005-12-16 | 2007-06-20 | 株式会社坦姆科日本 | Bone conduction receiver |
EP2250822B1 (en) * | 2008-02-11 | 2014-04-02 | Bone Tone Communications Ltd. | A sound system and a method for providing sound |
KR101039813B1 (en) * | 2009-03-30 | 2011-06-13 | 주식회사 보니아코퍼레이션 | A dual earphone have the bone conductive and the air conductive |
-
2015
- 2015-11-17 CN CN201580070643.6A patent/CN107005759A/en active Pending
- 2015-11-17 JP JP2016566034A patent/JPWO2016103983A1/en active Pending
- 2015-11-17 EP EP15872552.3A patent/EP3125573A4/en not_active Withdrawn
- 2015-11-17 WO PCT/JP2015/082250 patent/WO2016103983A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59191996A (en) * | 1983-04-15 | 1984-10-31 | Shigeru Tsutsumi | Hearing aid |
KR20060043937A (en) * | 2004-11-11 | 2006-05-16 | 주성대학산학협력단 | Ear-phone |
CN101310557A (en) * | 2006-02-01 | 2008-11-19 | 索尼株式会社 | Electro-acoustic converter and ear speaker device |
US20130051585A1 (en) * | 2011-08-30 | 2013-02-28 | Nokia Corporation | Apparatus and Method for Audio Delivery With Different Sound Conduction Transducers |
CN202721792U (en) * | 2012-08-02 | 2013-02-06 | 北京美尔斯通科技发展股份有限公司 | Wireless headset with combination of bone conduction and air conduction |
CN204031403U (en) * | 2014-06-20 | 2014-12-17 | 唐双庆 | Osteoacusis and air transmitted combination earphone |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111183655A (en) * | 2017-08-18 | 2020-05-19 | 脸谱科技有限责任公司 | Cartilage conduction audio system of glasses equipment |
CN109143580B (en) * | 2018-08-04 | 2021-09-10 | 瑞声科技(新加坡)有限公司 | Augmented reality glasses |
CN109143580A (en) * | 2018-08-04 | 2019-01-04 | 瑞声科技(新加坡)有限公司 | A kind of augmented reality glasses |
WO2020151055A1 (en) * | 2019-01-22 | 2020-07-30 | 海商电子(深圳)有限公司 | Novel combined headphone |
CN109547891A (en) * | 2019-01-22 | 2019-03-29 | 海商电子(深圳)有限公司 | Novel combined earphone |
CN110493679A (en) * | 2019-08-26 | 2019-11-22 | 成都法兰特科技有限公司 | The control method and earphone of earphone sounding |
US20210409875A1 (en) | 2019-12-13 | 2021-12-30 | Shenzhen Voxtech Co., Ltd. | Sound-output device |
US12041425B2 (en) | 2019-12-13 | 2024-07-16 | Shenzhen Shokz Co., Ltd. | Sound-output device |
US11956603B2 (en) | 2019-12-13 | 2024-04-09 | Shenzhen Shokz Co., Ltd. | Sound-output device |
US11343610B2 (en) | 2019-12-13 | 2022-05-24 | Shenzhen Voxtech Co., Ltd. | Sound-output device |
WO2021143117A1 (en) * | 2020-01-19 | 2021-07-22 | 朱达云 | Earhook bone conduction device |
WO2021196624A1 (en) * | 2020-03-31 | 2021-10-07 | Shenzhen Voxtech Co., Ltd. | Acoustic output device |
CN111698608B (en) * | 2020-07-02 | 2022-02-01 | 立讯精密工业股份有限公司 | Bone conduction earphone |
US11432062B2 (en) | 2020-07-02 | 2022-08-30 | Luxshare Precision Industry Co., Ltd. | Bone conduction earphone |
TWI777450B (en) * | 2020-07-02 | 2022-09-11 | 大陸商立訊精密工業股份有限公司 | bone conduction headphones |
CN111698608A (en) * | 2020-07-02 | 2020-09-22 | 昆山众赢昌盛贸易有限公司 | Bone conduction earphone |
CN111988696A (en) * | 2020-08-31 | 2020-11-24 | 歌尔科技有限公司 | Earphone set |
WO2022213459A1 (en) * | 2021-04-09 | 2022-10-13 | 深圳市韶音科技有限公司 | Acoustic output device |
Also Published As
Publication number | Publication date |
---|---|
WO2016103983A1 (en) | 2016-06-30 |
EP3125573A1 (en) | 2017-02-01 |
JPWO2016103983A1 (en) | 2017-10-05 |
EP3125573A4 (en) | 2017-10-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107005759A (en) | Bone conduction earphone | |
EP3403417B1 (en) | Headphones with combined ear-cup and ear-bud | |
US10250965B2 (en) | Multi-function bone conducting headphones | |
US11240588B2 (en) | Sound reproducing apparatus | |
CN102421043B (en) | Headphone with acoustic adjustment device | |
US20170111728A1 (en) | Bone conduction speaker module and bone conduction earphones having bone conduction speaker modules | |
US20170171679A1 (en) | Controlling own-voice experience of talker with occluded ear | |
KR100954562B1 (en) | Multi-channel headset | |
US11178479B2 (en) | Bone conduction headset | |
WO2016101830A1 (en) | Open headphone | |
KR20150108907A (en) | Multi-driver earbud | |
US20180249277A1 (en) | Method of Stereophonic Recording and Binaural Earphone Unit | |
KR20170131378A (en) | Intelligent conversion between air conduction speakers and tissue conduction speakers | |
JP2017125937A (en) | Voice signal processing device | |
JP6421360B2 (en) | Inner earphone | |
US9906850B2 (en) | Headphone unit | |
US20160173969A1 (en) | Multiple position earphone cable exit | |
CN204291318U (en) | A kind of open earpiece | |
US20120002834A1 (en) | Earbud Headset Positioning Device | |
CN207340118U (en) | A kind of osteoacusis bluetooth headset | |
KR101123864B1 (en) | Piezoelectric element type bone conduction earphone supported by bobbin | |
KR101065856B1 (en) | Hybrid speaker | |
KR102261766B1 (en) | Sound transmission device that transmits sound using vibration of bone conduction speaker and Earset with built-in bone conduction speaker | |
TW201508376A (en) | Sound induction ear speaker for eye glasses | |
KR101123867B1 (en) | Piezoelectric element type bone conduction earphone supported by surround |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170801 |
|
WD01 | Invention patent application deemed withdrawn after publication |