JP6435526B2 - イヤホン - Google Patents
イヤホン Download PDFInfo
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- JP6435526B2 JP6435526B2 JP2017532382A JP2017532382A JP6435526B2 JP 6435526 B2 JP6435526 B2 JP 6435526B2 JP 2017532382 A JP2017532382 A JP 2017532382A JP 2017532382 A JP2017532382 A JP 2017532382A JP 6435526 B2 JP6435526 B2 JP 6435526B2
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- JP
- Japan
- Prior art keywords
- sound
- light
- internal space
- earphone
- housing
- 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.)
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
- A61B5/1123—Discriminating type of movement, e.g. walking or running
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Measuring devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb
- A61B5/1126—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb using a particular sensing technique
- A61B5/1128—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor or mobility of a limb using a particular sensing technique using image analysis
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
- A61B5/6813—Specially adapted to be attached to a specific body part
- A61B5/6814—Head
- A61B5/6815—Ear
- A61B5/6817—Ear canal
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/74—Details of notification to user or communication with user or patient; User input means
- A61B5/7475—User input or interface means, e.g. keyboard, pointing device, joystick
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0204—Compact construction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0214—Constructional arrangements for removing stray light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0219—Electrical interface; User interface
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0228—Control of working procedures; Failure detection; Spectral bandwidth calculation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0271—Housings; Attachments or accessories for photometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0411—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using focussing or collimating elements, i.e. lenses or mirrors; Aberration correction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0414—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using plane or convex mirrors, parallel phase plates, or plane beam-splitters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/08—Arrangements of light sources specially adapted for photometry standard sources, also using luminescent or radioactive material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J1/44—Electric circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
- H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R1/2807—Enclosures comprising vibrating or resonating arrangements
- H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/07—Applications of wireless loudspeakers or wireless microphones
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R2460/03—Aspects of the reduction of energy consumption in hearing devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
- H04R2460/15—Determination of the acoustic seal of ear moulds or ear tips of hearing devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Public Health (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Otolaryngology (AREA)
- Physiology (AREA)
- Dentistry (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Human Computer Interaction (AREA)
- Headphones And Earphones (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Description
外耳道の状態を意図的に変化させて外部機器を制御する場合、従来のイヤホンのように、スピーカーから出る音の通る道と、発光素子や受光素子に出入りする光の通る道とが分離されている場合、音質の向上を目的として音の通る道を広げると、光の通る道が狭くなる。その結果、受光素子に到達する光の量が少なくなって外耳道の状態の変化の検出が困難になる。音質の向上と検出感度の確保との両立を図ろうとすると、音の通る道と光の通る道との両方を広げることが考えられる。しかし、外耳道に挿入される部分は大きさに制約があるため一定以上大きくすることは不可能である。
図1は、イヤホンを耳に装着した状態を模式的に示す図である。
101 音出力部
102 筐体
103 音道体
104 放射部
105 受光素子
106 発光素子
107 反射部
111 振動板
112 磁気回路部
113 ボイスコイル
114 磁気ギャップ
121 第一室
122 第二室
123 連通孔
131 音道
132 イヤパッド
171 集光部
200 外耳道
300 イヤホンシステム
301 駆動制御装置
311 ドライブアンプ
313 メモリ部
314 通信部
398 混合分離回路
399 混合分離回路
400 外部機器
Claims (11)
- 音を出力する音出力部と、
前記音出力部を収容する内部空間を有する筐体と、
外耳道に挿入され、前記音出力部で発生した音を前記外耳道内に導く筒状の音道体と、
前記外耳道内に光を放射する放射部と、
前記筐体の内部空間に配置され、前記外耳道内で反射して前記音道体の内部空間を通過した光を信号に変換する受光素子とを備え、
前記筐体、前記音道体、前記放射部は、この順に配置されている
イヤホン。 - 前記筐体の内部空間の垂直断面は、前記音道体の内部空間の垂直断面より大きい
請求項1に記載のイヤホン。 - 前記筐体の容積は、前記音道体の容積より大きい
請求項1に記載のイヤホン。 - 光を放射する発光素子をさらに備え、前記放射部は前記発光素子から受けた光を放射する
請求項1に記載のイヤホン。 - 前記音道体は、前記発光素子の光を導光できる透明な部材である
請求項4に記載のイヤホン。 - 前記放射部は、集光可能なレンズ面を備えている
請求項1に記載のイヤホン。 - 前記放射部は、発光素子である
請求項1に記載のイヤホン。 - 前記筐体の内部空間に、前記音道体の内部空間を通過した光を前記受光素子に向けて反射させる反射部をさらに備える
請求項1〜7のいずれか一項に記載のイヤホン。 - 前記筐体の内部空間に、前記音道体の内部空間を通過した光を集光する集光部をさらに備える
請求項1〜7のいずれか一項に記載のイヤホン。 - 前記集光部は、集光可能なレンズ面を備えている
請求項9に記載のイヤホン。 - 前記音出力部は、振動により音を発生させる振動板と、前記振動板を振動させるための磁気回路部とを備え、
前記振動板は、前記筐体の内部空間に配置され、前記筐体の内部空間と前記音道体の内部空間とは連通している
請求項1に記載のイヤホン。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015155497 | 2015-08-05 | ||
| JP2015155497 | 2015-08-05 | ||
| PCT/JP2016/003554 WO2017022240A1 (ja) | 2015-08-05 | 2016-08-02 | イヤホン |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2017022240A1 JPWO2017022240A1 (ja) | 2018-06-14 |
| JP6435526B2 true JP6435526B2 (ja) | 2018-12-12 |
Family
ID=57942710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2017532382A Active JP6435526B2 (ja) | 2015-08-05 | 2016-08-02 | イヤホン |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US10341757B2 (ja) |
| JP (1) | JP6435526B2 (ja) |
| WO (1) | WO2017022240A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024516766A (ja) * | 2021-04-09 | 2024-04-17 | ハーマン インターナショナル インダストリーズ インコーポレイテッド | イヤフォン |
| WO2026071288A1 (ko) * | 2024-09-24 | 2026-04-02 | 주식회사 힐링사운드 | 귀질환 치료 기기 |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6987534B2 (ja) * | 2017-05-26 | 2022-01-05 | 京セラ株式会社 | 測定装置、測定器具及び測定システム |
| GB2570013B (en) * | 2018-06-19 | 2020-02-12 | Roy Gompertz Nicholas | Method for detecting voluntary movements of structures in the ear to trigger user interfaces |
| WO2020105197A1 (ja) * | 2018-11-25 | 2020-05-28 | 株式会社メイ | イヤホン |
| US11818528B1 (en) * | 2020-09-21 | 2023-11-14 | Apple Inc. | Earbuds |
| JP7109125B1 (ja) * | 2021-03-24 | 2022-07-29 | 株式会社Mirai | 光及び音を送出するイヤホン |
| US11678126B1 (en) * | 2021-12-09 | 2023-06-13 | Sonova Ag | Hearing device seal modules, modular hearing devices including the same and associated methods |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090124873A1 (en) * | 2005-10-24 | 2009-05-14 | Shinji Uchida | Biocomponent concentration measuring device |
| US8379897B2 (en) * | 2008-09-17 | 2013-02-19 | Daniel R. Schumaier | Hearing assistance device having reduced mechanical feedback |
| CN102301314B (zh) | 2009-02-05 | 2015-07-01 | 株式会社eRCC | 输入设备、可穿戴计算机以及输入方法 |
| EP3357419A1 (en) | 2009-02-25 | 2018-08-08 | Valencell, Inc. | Light-guiding devices and monitoring devices incorporating same |
| TW201106719A (en) * | 2009-08-12 | 2011-02-16 | Cotron Corp | Earphone |
| JP2012249186A (ja) * | 2011-05-30 | 2012-12-13 | Yamaha Corp | イヤホン |
| CN102518964A (zh) * | 2011-12-11 | 2012-06-27 | 深圳市光峰光电技术有限公司 | 光源和照明装置 |
| WO2014207635A1 (en) * | 2013-06-28 | 2014-12-31 | Koninklijke Philips N.V. | Light emitting diode device |
| WO2015068756A1 (ja) * | 2013-11-11 | 2015-05-14 | シャープ株式会社 | イヤホンシステム |
| US9609420B2 (en) * | 2014-01-09 | 2017-03-28 | Apple Inc. | Earphones with left/right magnetic asymmetry |
| JP2016018919A (ja) * | 2014-07-09 | 2016-02-01 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
| JP6461506B2 (ja) * | 2014-07-31 | 2019-01-30 | 株式会社エンプラス | 光レセプタクルおよび光モジュール |
-
2016
- 2016-08-02 JP JP2017532382A patent/JP6435526B2/ja active Active
- 2016-08-02 WO PCT/JP2016/003554 patent/WO2017022240A1/ja not_active Ceased
-
2018
- 2018-01-25 US US15/879,977 patent/US10341757B2/en active Active
-
2019
- 2019-05-16 US US16/414,211 patent/US10595115B2/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2024516766A (ja) * | 2021-04-09 | 2024-04-17 | ハーマン インターナショナル インダストリーズ インコーポレイテッド | イヤフォン |
| JP7721663B2 (ja) | 2021-04-09 | 2025-08-12 | ハーマン インターナショナル インダストリーズ インコーポレイテッド | イヤフォン |
| US12411044B2 (en) | 2021-04-09 | 2025-09-09 | Harman International Industries, Incorporated | Earphone |
| WO2026071288A1 (ko) * | 2024-09-24 | 2026-04-02 | 주식회사 힐링사운드 | 귀질환 치료 기기 |
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| Publication number | Publication date |
|---|---|
| JPWO2017022240A1 (ja) | 2018-06-14 |
| US20190281378A1 (en) | 2019-09-12 |
| WO2017022240A1 (ja) | 2017-02-09 |
| US10341757B2 (en) | 2019-07-02 |
| US20180167716A1 (en) | 2018-06-14 |
| US10595115B2 (en) | 2020-03-17 |
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