WO2015198683A1 - 骨伝導スピーカ - Google Patents
骨伝導スピーカ Download PDFInfo
- Publication number
- WO2015198683A1 WO2015198683A1 PCT/JP2015/061079 JP2015061079W WO2015198683A1 WO 2015198683 A1 WO2015198683 A1 WO 2015198683A1 JP 2015061079 W JP2015061079 W JP 2015061079W WO 2015198683 A1 WO2015198683 A1 WO 2015198683A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bone conduction
- conduction speaker
- diaphragm
- housing
- 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.)
- Ceased
Links
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Classifications
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- 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
- H04R1/1008—Earpieces of the supra-aural or circum-aural type
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
- H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers
- H04R25/606—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational transducers acting directly on the eardrum, the ossicles or the skull, e.g. mastoid, tooth, maxillary or mandibular bone, or mechanically stimulating the cochlea, e.g. at the oval window
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- 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
- H04R1/1016—Earpieces of the intra-aural type
-
- 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
- H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
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- 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
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/345—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for loudspeakers
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- 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
- H04R1/46—Special adaptations for use as contact microphones, e.g. on musical instrument, on stethoscope
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R11/00—Transducers of moving-armature or moving-core type
- H04R11/02—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/48—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using constructional means for obtaining a desired frequency response
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- 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
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
Definitions
- the present invention relates to a bone conduction speaker, and more particularly, to a bone conduction speaker that can generate not only bone conduction sound but also airway sound in consideration of the fact that a normal person may use it. Is.
- a bone conduction speaker has a structure in which a vibration surface of a vibration member of a bone conduction speaker unit is fixed in contact with an inner surface of a housing to vibrate the entire housing, and the vibration surface is applied to a milky protrusion of an ear or the like. Is generally used (see FIG. 9).
- Bone-conducted sound-transmitting speakers were developed for the purpose of assisting hearing in hearing-impaired hearing persons. In addition to their original uses, normal hearing persons can listen to information without blocking the ear canal. There is also a use example in which a bone conduction speaker is used in the vicinity of the tragus. However, with this latter method of use, there is no problem in the exchange of sound levels, but the high frequency attenuation is large as a transmission characteristic of bone vibration, so that the quality of music is improved when listening to music. Will be difficult.
- the present invention does not have such a problem, that is, although it is a bone conduction speaker, a high frequency characteristic is improved by adding a structure capable of generating an airway sound. It is an object to provide a bone conduction speaker that can enjoy high-quality music when listening to music, as well as being able to exchange at a good audio level even when used by a user And
- the second diaphragm is fixed to the bottom surface of the bone conduction speaker unit incorporated in the housing, and the peripheral portion of the second diaphragm is extended over the entire circumference.
- an upper air chamber is formed on the upper side and a lower air chamber is formed on the lower side, and a sound emission port is formed on the side surface or bottom surface of the lower air chamber.
- the second diaphragm has an annular groove and / or an annular projection at the peripheral edge.
- a circular platform for securing a gap between the center of the second diaphragm and the bottom surface of the bone conduction speaker unit is formed, and the circular platform is formed on the bone conduction speaker unit. Fixed to the bottom.
- a weight for improving frequency characteristics is fixed at the center of the second diaphragm, and the weight secures a gap between the second diaphragm and the bottom surface of the bone conduction speaker unit, or
- a convex portion is provided on the bottom surface of the bone conduction speaker unit, and a gap between the second diaphragm and the bottom surface of the bone conduction speaker unit is secured by the convex portion.
- the housing has a low cylindrical shape, and the sound emission port is formed on a peripheral side surface or bottom surface of the housing. In another embodiment, at least one end of the housing is spherical. The sound emission port is formed in the spherical surface portion.
- the sound outlet is provided with a sound conduit that is curved so as to be directed into the ear canal when in use.
- the sound conduit is formed integrally with the housing, or the sound conduit is formed separately from the housing and retrofitted to the sound outlet.
- the sound outlet is openable and closable.
- the inside of the housing is partitioned up and down by the second diaphragm fixed to the bottom surface of the bone conduction speaker unit, and on the side surface or bottom surface of the lower air chamber below the housing. Since the sound emission opening is formed, it has a function capable of generating airway sound from the sound emission opening in addition to the original function as a bone conduction speaker. Thus, it is possible to enjoy high-quality music when listening to music, not to mention that it is possible to exchange with a good sound level not only for hearing impaired people but also for normal hearing people. effective.
- FIG. 1 is a longitudinal sectional view of an embodiment of a bone conduction speaker according to the present invention.
- the bone conduction speaker includes a housing 1 and a bone conduction speaker unit 2 incorporated in the housing 1.
- the second diaphragm 3 is fixed to the bottom surface of the bone conduction speaker unit 2.
- the peripheral part of the 2nd diaphragm 3 is fixed to the inner surface of the housing 1 over the perimeter, and while the upper side air chamber 4 is formed above the 2nd diaphragm 3, 2nd vibration A lower air chamber 5 is formed on the lower side of the plate 3, and a sound emission port 6 that opens toward the outside is formed on a side surface or a bottom surface of the lower air chamber 5.
- a voice coil 13 is disposed so as to surround a center pole 12 provided at the center of the yoke 11, and both sides of the voice coil 13 are arranged.
- a pair of rod-shaped magnets 14 and 14 are fixed, and a diaphragm 15 is placed so as to cover the voice coil 13 and the magnets 14 and 14. Both ends of the diaphragm 15 are fixed to the upper surface of the side wall 16 erected on both ends of the yoke 11 via a set screw 19 or the like. At that time, a gap is maintained between the diaphragm 15 and the upper surface of the voice coil 13.
- the diaphragm 15 is formed with a vertically long opening 18 having a size corresponding to the plate yoke 17, and the plate yoke 17 disposed so as to straddle the opening 18 vertically has both longitudinal ends 17 a of the opening 18. It is installed on the opening 18 by being fixed to the edge. Thus, the plate yoke 17 vibrates integrally with the vibration of the diaphragm 15.
- FIG. 4 is an exploded perspective view showing the configuration of the bone conduction speaker unit 2 according to another embodiment.
- the yoke 11 and the central magnetic pole 12 are formed vertically and the magnets 14 and 14 are formed.
- the diaphragm fixing portions 16 are formed outside the magnets 14, 14.
- the diaphragm 15 and the plate yoke 17 are also formed in a vertically long shape, and a wing portion 17b is extended in the middle portion of the plate yoke 17.
- the plate yoke 17 is installed on the opening 18 by fixing the blade portion 17 b to the edge of the vertically long opening 18 provided in the diaphragm 15.
- both ends of the diaphragm 15 are directly fixed to the diaphragm fixing portion 16.
- the plate yoke 17 vibrates integrally with the vibration of the diaphragm 15.
- the bone conduction speaker unit 2 of the above two modes has a so-called outer magnet type configuration in which the magnet 14 is disposed outside the voice coil 13, but conversely, the magnet 14 is disposed inside the voice coil 13. It is also possible to adopt a so-called inner magnet type configuration in which the magnets are also arranged (the magnet also serves as the center pole).
- the shape of the housing 1 corresponds to the shape of the bone conduction speaker unit 2.
- the housing 1 in that case has a low cylindrical shape (see FIG. 2A).
- the sound outlet 7 is provided with a sound conduit 7 formed so as to be curved toward the inside of the ear hole 20 when used (see FIG. 6).
- the sound conduit 7 is formed integrally with the housing 1 or formed separately from the housing 1 and attached to the sound outlet 6 later.
- the sound outlet 6 can be opened and closed by attaching or detaching a stopper.
- the housing 1 in that case has a long shape, for example, a cylindrical shape having at least one end made spherical. (See FIG. 2B). And the sound emission opening 6 in that case is formed in the spherical surface part 1a of one end (refer FIG. 7).
- the second diaphragm 3 functions in the same manner as a diaphragm used for a dynamic speaker.
- the second diaphragm 3 is formed into a circular shape by molding a plastic film such as polyester, a thin metal plate, or a rubber material.
- the entire periphery is fixed to the inner peripheral surface of the housing 1.
- an annular groove 9 and / or an annular convex portion is formed at the edge (see FIG. 5).
- Such a shape is intended to improve the frequency characteristics, but it goes without saying that a flat plate may be used as long as the frequency characteristics can be secured.
- a metal- or plastic-made coin-like weight 8a for fixing frequency characteristics is fixed, and a film is doubled around the weight 8a. It is also possible to secure the gap (see FIG. 1).
- the gap can be secured by providing a convex portion for fixing the second diaphragm 3 on the bottom surface of the yoke 11.
- the bone conduction speaker according to the present invention has the above-described configuration, bone vibration can be transmitted through the housing 1 when the bone conduction speaker unit 2 vibrates upon receiving an audio signal.
- the second diaphragm 3 fixed to the bottom surface of the bone conduction speaker unit 2 vibrates together, but the inside of the housing 1 is divided vertically by the second diaphragm 3, and the lower air chamber 5. All the sound pressures generated in step 1 are emitted from the sound outlet 6.
- the bone conduction speaker of the housing 1 shown in FIG. 2A for example, it is used by being incorporated in a headset as shown in FIG. 8, and the headset is placed so that the bottom surface of the housing 1 abuts the vicinity of the tragus. Installing.
- the deaf person uses it is not necessary to generate airway sounds, and therefore, sound leakage to the surroundings can be prevented by closing the sound emission opening 6 by plugging the sound emission opening 6 or the like.
- a bone conduction speaker when used by a normal hearing person, a bone conduction speaker is placed near the tragus, the sound outlet 6 is directed to the ear canal, and the airway sound from the sound outlet 6 is heard.
- the sound conduit 7 is provided at the sound outlet 6, the tip of the sound conduit 7 is directed into the ear hole 20.
- a high frequency that cannot be transmitted by bone conduction can be directly transmitted to the eardrum as an airway sound, so that high quality sound can be heard.
- the bone conduction speaker of the housing 1 shown in FIG. 2 (B) it can be configured as a very small unit, so that it can be used as an earphone type as shown in FIG.
- the usage of the hearing impaired person and the normal hearing person is the same as that described above.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Otolaryngology (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Multimedia (AREA)
- Electromagnetism (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Headphones And Earphones (AREA)
Abstract
Description
2 骨伝導スピーカユニット
3 第2振動板
4 上側気室
5 下側気室
6 放音口
7 音導管
8 円形台部
8a ウエイト
9 環状溝
11 ヨーク
12 中央磁極
13 ボイスコイル
14 マグネット
15 振動板
16 振動板固定部
17 プレートヨーク
18 開口
19 止めネジ
20 耳孔
Claims (11)
- ハウジング内に組み込まれた骨伝導スピーカユニットの底面に第2振動板を固定し、前記第2振動板の周縁部をその全周に亘って前記ハウジングの内側面に固定することにより、その上側に上側気室を形成すると共にその下側に下側気室を形成し、前記下側気室の側面又は底面に、放音口を形成したことを特徴とする骨伝導スピーカ。
- 前記第2振動板は、周縁部に環状溝及び/又は環状凸部を有する、請求項1に記載の骨伝導スピーカ。
- 前記第2振動板の中央部に前記骨伝導スピーカユニットの底面との間にギャップを確保するための円形台部が形成され、前記円形台部が前記骨伝導スピーカユニットの底面に固定される、請求項1又は2に記載の骨伝導スピーカ。
- 前記第2振動板の中央部に周波数特性改善のためのウエイトが定着され、前記ウエイトによって前記第2振動板と前記骨伝導スピーカユニットの底面との間のギャップが確保される、請求項1又は2に記載の骨伝導スピーカ。
- 前記骨伝導スピーカユニットの底面に凸部が設けられ、前記凸部によって前記第2振動板と前記骨伝導スピーカユニットの底面との間のギャップが確保される、請求項1又は2に記載の骨伝導スピーカ。
- 前記放音口は開閉可能にされる、請求項1乃至5のいずれかに記載の骨伝導スピーカ。
- 前記ハウジングは低い円筒形状を呈し、前記放音口は前記ハウジングの周側面又は底面に形成される、請求項1乃至6のいずれかに記載の骨伝導スピーカ。
- 前記ハウジングは、少なくとも一端が球面にされた円筒形状を呈し、前記放音口はその球面部に形成される、請求項1乃至6のいずれかに記載の骨伝導スピーカ。
- 前記放音口に、使用時に耳孔内に向くように湾曲して形成された音導管が設けられる、請求項7に記載の骨伝導スピーカ。
- 前記音導管は、前記ハウジングと一体に成形される、請求項9に記載の骨伝導スピーカ。
- 前記音導管は、前記ハウジングと別成形されて前記放音口に後付けされる、請求項9に記載の骨伝導スピーカ。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2015282183A AU2015282183A1 (en) | 2014-06-26 | 2015-04-09 | Bone conduction speaker |
| CN201580002273.2A CN105612760A (zh) | 2014-06-26 | 2015-04-09 | 骨传导扬声器 |
| JP2015543176A JPWO2015198683A1 (ja) | 2014-06-26 | 2015-04-09 | 骨伝導スピーカ |
| US14/907,588 US9930436B2 (en) | 2014-06-26 | 2015-04-09 | Bone conduction speaker |
| EP15811920.6A EP3016403A4 (en) | 2014-06-26 | 2015-04-09 | Bone conduction speaker |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-131066 | 2014-06-26 | ||
| JP2014131066 | 2014-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015198683A1 true WO2015198683A1 (ja) | 2015-12-30 |
Family
ID=54937784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2015/061079 Ceased WO2015198683A1 (ja) | 2014-06-26 | 2015-04-09 | 骨伝導スピーカ |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9930436B2 (ja) |
| EP (1) | EP3016403A4 (ja) |
| JP (1) | JPWO2015198683A1 (ja) |
| CN (1) | CN105612760A (ja) |
| AU (1) | AU2015282183A1 (ja) |
| WO (1) | WO2015198683A1 (ja) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017145521A1 (ja) * | 2016-02-23 | 2017-08-31 | ソニー株式会社 | ウェアラブル装置 |
| JP2017192093A (ja) * | 2016-04-15 | 2017-10-19 | 株式会社ファインウェル | ステレオイヤホンおよびステレオヘッドセット |
| CN107396221A (zh) * | 2017-07-10 | 2017-11-24 | 胡文 | 骨传导扬声器 |
| WO2018079340A1 (ja) * | 2016-10-26 | 2018-05-03 | 株式会社テムコジャパン | 骨伝導スピーカ |
| JPWO2018079318A1 (ja) * | 2016-10-28 | 2019-09-12 | パナソニックIpマネジメント株式会社 | 骨伝導スピーカ及び骨伝導ヘッドホン装置 |
| JP2020150542A (ja) * | 2019-03-12 | 2020-09-17 | イーエム−テック・カンパニー・リミテッドEM−TECH.Co.,Ltd. | 骨伝導スピーカー |
| CN112887870A (zh) * | 2021-03-19 | 2021-06-01 | 苏州索迩电子技术有限公司 | 一种骨传导发声装置和一种可穿戴设备 |
| KR20220133268A (ko) * | 2020-03-31 | 2022-10-04 | 썬전 샥 컴퍼니 리미티드 | 음향출력 시스템, 음향출력방법 및 음향출력장치 |
| JP2023506216A (ja) * | 2019-12-13 | 2023-02-15 | 深▲セン▼市韶音科技有限公司 | 音声出力装置 |
| JP2023552427A (ja) * | 2021-04-09 | 2023-12-15 | シェンツェン・ショックス・カンパニー・リミテッド | 音響装置 |
| WO2024095563A1 (ja) * | 2022-11-04 | 2024-05-10 | 株式会社テムコジャパン | 骨伝導スピーカ |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11363362B2 (en) | 2018-06-15 | 2022-06-14 | Shenzhen Shokz Co., Ltd. | Speaker device |
| US11611834B2 (en) | 2011-12-23 | 2023-03-21 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and compound vibration device thereof |
| US11463814B2 (en) | 2011-12-23 | 2022-10-04 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and compound vibration device thereof |
| US11363392B2 (en) | 2014-01-06 | 2022-06-14 | Shenzhen Shokz Co., Ltd. | Systems and methods for suppressing sound leakage |
| EP3920551A1 (en) * | 2015-08-13 | 2021-12-08 | Shenzhen Voxtech Co., Ltd | Systems for bone conductor speaker |
| JPWO2017168903A1 (ja) * | 2016-03-29 | 2019-02-07 | ソニー株式会社 | 音響再生装置 |
| CN107454492B (zh) * | 2017-08-18 | 2024-04-05 | 深圳市韶音科技有限公司 | 一种骨传导耳机 |
| EP4525485A3 (en) | 2018-06-15 | 2025-05-21 | Shenzhen Shokz Co., Ltd. | Bone conduction speaker and testing method therefor |
| WO2020258274A1 (zh) * | 2019-06-28 | 2020-12-30 | 深圳市金泰坦科技有限公司 | 一种骨传导扬声器和耳机 |
| US11026012B1 (en) * | 2020-02-18 | 2021-06-01 | Almus Corp. | Earphone including tuning means |
| CN111698608B (zh) * | 2020-07-02 | 2022-02-01 | 立讯精密工业股份有限公司 | 一种骨传导耳机 |
| CN115053539A (zh) * | 2020-08-29 | 2022-09-13 | 深圳市韶音科技有限公司 | 一种听力辅助装置 |
| US11284189B1 (en) * | 2020-11-12 | 2022-03-22 | Shenzhen yuyuantong Technology Co., Ltd. | Bone conduction loudspeaker and earphone |
| EP4007299B1 (en) | 2020-11-25 | 2024-12-11 | Nokia Technologies Oy | Audio output using multiple different transducers |
| CN112367596A (zh) * | 2020-12-11 | 2021-02-12 | 苏州索迩电子技术有限公司 | 一种骨传导发声装置 |
| CN112788474A (zh) * | 2021-03-17 | 2021-05-11 | 东莞立讯精密工业有限公司 | 一种骨传导耳机 |
Citations (2)
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- 2015-04-09 WO PCT/JP2015/061079 patent/WO2015198683A1/ja not_active Ceased
- 2015-04-09 JP JP2015543176A patent/JPWO2015198683A1/ja active Pending
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- 2015-04-09 EP EP15811920.6A patent/EP3016403A4/en not_active Withdrawn
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Also Published As
| Publication number | Publication date |
|---|---|
| EP3016403A1 (en) | 2016-05-04 |
| AU2015282183A1 (en) | 2016-02-18 |
| EP3016403A4 (en) | 2017-03-08 |
| US20170164088A1 (en) | 2017-06-08 |
| JPWO2015198683A1 (ja) | 2017-04-20 |
| US9930436B2 (en) | 2018-03-27 |
| CN105612760A (zh) | 2016-05-25 |
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