JP6534023B1 - 骨伝導マイク - Google Patents
骨伝導マイク Download PDFInfo
- Publication number
- JP6534023B1 JP6534023B1 JP2018161597A JP2018161597A JP6534023B1 JP 6534023 B1 JP6534023 B1 JP 6534023B1 JP 2018161597 A JP2018161597 A JP 2018161597A JP 2018161597 A JP2018161597 A JP 2018161597A JP 6534023 B1 JP6534023 B1 JP 6534023B1
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- JP
- Japan
- Prior art keywords
- bone conduction
- vibration
- piezoelectric element
- conduction microphone
- fixed
- 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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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 93
- 210000000537 nasal bone Anatomy 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 abstract description 14
- 239000000758 substrate Substances 0.000 description 8
- 210000001260 vocal cord Anatomy 0.000 description 8
- 210000003800 pharynx Anatomy 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000000644 propagated effect Effects 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 210000003928 nasal cavity Anatomy 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
- H04R17/02—Microphones
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/66—Structural association with built-in electrical component
- H01R13/70—Structural association with built-in electrical component with built-in switch
-
- 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
- H04R1/1041—Mechanical or electronic switches, or control elements
-
- 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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/14—Throat mountings for microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2400/00—Loudspeakers
- H04R2400/03—Transducers capable of generating both sound as well as tactile vibration, e.g. as used in cellular phones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/03—Reduction of intrinsic noise in microphones
-
- 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
-
- 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
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
Abstract
Description
従来の骨伝導マイクは、内蔵される圧電素子の表面全体をマイクパッドに貼り付けて固定された構造(いわゆる、全面貼着構造)となっている。このため、圧電素子の変形量(言い換えると、撓み量)が少なく、骨伝導マイクの装着者の発声に基づく咽頭振動により検知される電位レベルが小さく、装着者の声が相手に聞こえにくいという課題があった。また、通話の際に押下される通話ボタンを押下して相手と会話する時、骨伝導マイクの装着者がその通話ボタンを押した時の振動が不快音として相手に聞こえるという課題があった。
37 筐体
53 圧電素子
55 マイクパッド
57 素子支持部材
59 駆動板
61 開口部
65 通話ボタン
75 筒部
77 底部
83 開口形成面
85 ベース板
89 環状凸部
91 空間
95 振動板部
97 突起部
99 素子支持部材
101 支柱
Claims (8)
- 開口部を有する筐体と、
有底筒状に形成され、底部を外方に配置する筒部の外周が前記開口部の内周に固定されるマイクパッドと、
前記筒部の内周に外周が固定され、前記底部に向かって突出する支持部を有する素子支持部材と、
一方の面の周縁が前記支持部に固定され、振動を拾う板状の圧電素子と、
前記底部の内方の面に固定される振動板部を有し、この振動板部の中央に、前記圧電素子の他方の面の素子中央部が固定される突起部を有する駆動板と、を備える、
骨伝導マイク。 - 前記素子支持部材は、外周を前記筒部の内周に固定する円形状もしくは楕円形状のベース板を有し、
前記支持部は、前記ベース板と同心円もしくは短軸と長軸が重なる相似の環状凸部で形成される、
請求項1に記載の骨伝導マイク。 - 前記素子支持部材は、外周を前記筒部の内周に固定する円形状もしくは楕円形状のベース板を有し、
前記支持部は、前記ベース板の外周に沿って配置された3つ以上の支柱で形成される、
請求項1に記載の骨伝導マイク。 - 前記振動は、前記骨伝導マイクの装着者の発声に基づく咽頭振動もしくは鼻骨振動である、
請求項1〜3のうちいずれか一項に記載の骨伝導マイク。 - 前記底部は、前記開口部が形成される開口形成面よりも前記筐体の外方へ突出する、
請求項1〜4のうちいずれか一項に記載の骨伝導マイク。 - 前記ベース板と前記圧電素子との間に、振動により変位する前記圧電素子が前記ベース板に接触しない距離の空間が設けられる、
請求項2または3に記載の骨伝導マイク。 - 前記素子支持部材、前記圧電素子、前記突起部および前記駆動板は、同心円の円形状もしくは短軸と長軸が重なる相似の楕円形状に形成される、
請求項1〜6のうちいずれか一項に記載の骨伝導マイク。 - 前記筐体には、通話ボタンが設けられる、
請求項1〜7のうちいずれか一項に記載の骨伝導マイク。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018161597A JP6534023B1 (ja) | 2018-08-30 | 2018-08-30 | 骨伝導マイク |
CN201980055517.1A CN112602333B (zh) | 2018-08-30 | 2019-08-26 | 骨传导麦克风 |
PCT/JP2019/033327 WO2020045351A1 (ja) | 2018-08-30 | 2019-08-26 | 骨伝導マイク |
US17/183,236 US11265637B2 (en) | 2018-08-30 | 2021-02-23 | Bone-conduction microphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018161597A JP6534023B1 (ja) | 2018-08-30 | 2018-08-30 | 骨伝導マイク |
Publications (2)
Publication Number | Publication Date |
---|---|
JP6534023B1 true JP6534023B1 (ja) | 2019-06-26 |
JP2020036208A JP2020036208A (ja) | 2020-03-05 |
Family
ID=67023713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018161597A Active JP6534023B1 (ja) | 2018-08-30 | 2018-08-30 | 骨伝導マイク |
Country Status (4)
Country | Link |
---|---|
US (1) | US11265637B2 (ja) |
JP (1) | JP6534023B1 (ja) |
CN (1) | CN112602333B (ja) |
WO (1) | WO2020045351A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021106865A1 (ja) * | 2019-11-29 | 2021-06-03 | 株式会社村田製作所 | 生体音響センサおよびそれを備えた聴診器 |
EP3866484B1 (en) * | 2020-02-12 | 2024-04-03 | Patent Holding i Nybro AB | Throat headset system |
CN114025270A (zh) * | 2021-11-10 | 2022-02-08 | 湖南德能科技有限公司 | 声纹识别与语音通话抗噪装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS5621369Y2 (ja) * | 1972-07-04 | 1981-05-20 | ||
US4591668A (en) * | 1984-05-08 | 1986-05-27 | Iwata Electric Co., Ltd. | Vibration-detecting type microphone |
JP2504115B2 (ja) | 1988-04-21 | 1996-06-05 | 株式会社村田製作所 | 振動センサ |
JPH0833073A (ja) * | 1994-07-20 | 1996-02-02 | Atsuden Kk | 振動ピックアップマイクロホン |
JPH1079999A (ja) * | 1996-09-02 | 1998-03-24 | Asahi Giken Kogyo Kk | 圧電型咽喉マイク |
JPH10117394A (ja) | 1996-10-09 | 1998-05-06 | Kubota Corp | 骨伝導音声利用の通話装置 |
US6326539B1 (en) * | 1998-06-30 | 2001-12-04 | Yamaha Corporation | Musical tone control apparatus and sensing device for electronic musical instrument |
JP3730433B2 (ja) | 1999-03-11 | 2006-01-05 | Necトーキン株式会社 | 骨伝導音声利用の通話装置 |
JP2001292487A (ja) | 2000-04-04 | 2001-10-19 | Star Micronics Co Ltd | スピーカユニット |
JP2005245580A (ja) * | 2004-03-02 | 2005-09-15 | Azden Corp | Mri装置における音声通信装置 |
JP4130443B2 (ja) | 2005-02-15 | 2008-08-06 | 旭化成株式会社 | マイクロフォン、信号処理装置、コミュニケーションインタフェースシステム、音声話者認証システム、nam音対応玩具装置 |
JP5269618B2 (ja) * | 2009-01-05 | 2013-08-21 | 株式会社オーディオテクニカ | 骨伝導マイクロホン内蔵ヘッドセット |
CA2795555A1 (en) * | 2010-05-28 | 2011-12-01 | Sonitus Medical, Inc. | Intra-oral tissue conduction microphone |
JP5585240B2 (ja) * | 2010-06-25 | 2014-09-10 | セイコーエプソン株式会社 | 振動片及び振動デバイス |
KR20130020022A (ko) * | 2011-08-18 | 2013-02-27 | 남경훈 | 압전팬 |
US10828007B1 (en) * | 2013-10-11 | 2020-11-10 | Masimo Corporation | Acoustic sensor with attachment portion |
JP2015126339A (ja) * | 2013-12-26 | 2015-07-06 | タン インTang Ying | 骨伝導スピーカー |
JPWO2018079575A1 (ja) | 2016-10-28 | 2019-09-19 | パナソニックIpマネジメント株式会社 | 骨伝導マイク、骨伝導ヘッドセットおよび通話装置 |
US20180352348A1 (en) * | 2017-06-06 | 2018-12-06 | Sonitus Technologies Inc. | Bone conduction device |
-
2018
- 2018-08-30 JP JP2018161597A patent/JP6534023B1/ja active Active
-
2019
- 2019-08-26 WO PCT/JP2019/033327 patent/WO2020045351A1/ja active Application Filing
- 2019-08-26 CN CN201980055517.1A patent/CN112602333B/zh active Active
-
2021
- 2021-02-23 US US17/183,236 patent/US11265637B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2020045351A1 (ja) | 2020-03-05 |
JP2020036208A (ja) | 2020-03-05 |
CN112602333A (zh) | 2021-04-02 |
US20210176552A1 (en) | 2021-06-10 |
US11265637B2 (en) | 2022-03-01 |
CN112602333B (zh) | 2023-07-21 |
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