JPWO2008105180A1 - 振動ピックアップ型マイクロホン - Google Patents
振動ピックアップ型マイクロホン Download PDFInfo
- Publication number
- JPWO2008105180A1 JPWO2008105180A1 JP2009501140A JP2009501140A JPWO2008105180A1 JP WO2008105180 A1 JPWO2008105180 A1 JP WO2008105180A1 JP 2009501140 A JP2009501140 A JP 2009501140A JP 2009501140 A JP2009501140 A JP 2009501140A JP WO2008105180 A1 JPWO2008105180 A1 JP WO2008105180A1
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- JP
- Japan
- Prior art keywords
- space
- microphone
- vibration
- vibration pickup
- air chamber
- 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
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- 230000002238 attenuated effect Effects 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 3
- 230000035945 sensitivity Effects 0.000 abstract description 19
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 210000000988 bone and bone Anatomy 0.000 description 14
- 239000013013 elastic material Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 210000001260 vocal cord Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel 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
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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
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
- H04R1/222—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only for microphones
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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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
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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
- H04R1/22—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
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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
- H04R1/22—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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
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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
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
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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
- H04R1/14—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
- 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
- H04R19/00—Electrostatic transducers
- H04R19/01—Electrostatic transducers characterised by the use of electrets
- H04R19/016—Electrostatic transducers characterised by the use of electrets 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
- 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)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
Description
2 外部振動板
3 マイクロホンユニット
4 細通路
5 第1のスペース
6 第2のスペース
7 気室
8 空隙
9 振動板
10 段差
11 チューブ
Claims (10)
- 開口を有する第1のスペースとマイクロホンユニットを収納するための第2のスペースとを設けたハウジングと、前記第1のスペースの開口に覆設される外部振動板と、前記第2のスペースの奥端部に空隙を保持して前記第2のスペース内に収納されるマイクロホンユニットとから成り、前記外部振動板が覆設されることによって前記第1のスペースに形成される気室と前記第2のスペースの奥端部に形成される空隙とが、細通路を介して連通されることにより、前記外部振動板によってピックアップされた音声振動が音波として前記マイクロホンユニットに伝達され、その伝達過程において、音波の周波数成分の内、音声周波数より高域成分が減衰されることを特徴とする振動ピックアップ型マイクロホン。
- 前記細通路は、前記気室と前記空隙とを連通させるように前記ハウジングに穿設される細孔である請求項1に記載の振動ピックアップ型マイクロホン。
- 前記細通路は、一端が前記気室に開口され、他端が前記空隙に開口するように配設されるチューブである請求項1に記載の振動ピックアップ型マイクロホン。
- 前記チューブは、その前記気室内部分が湾折曲状態にされている請求項3に記載の振動ピックアップ型マイクロホン。
- 前記チューブは、湾折曲可能な軟質材製である請求項4に記載の振動ピックアップ型マイクロホン。
- 前記チューブは、前記気室内に直線状に配置される請求項3に記載の振動ピックアップ型マイクロホン。
- 前記チューブの前記気室内部分の長さは、前記気室の長さの2分の1以上である請求項6に記載の振動ピックアップ型マイクロホン。
- 前記細通路は、前記ハウジングの上面に渦巻き状に形成された溝である請求項1に記載の振動ピックアップ型マイクロホン。
- 前記溝上に、前記溝の端部のみを開口させるようにしてシートが被着される請求項8に記載の振動ピックアップ型マイクロホン。
- 前記マイクロホンユニットは、エレクトレットコンデンサマイクである請求項1に記載の振動ピックアップ型マイクロホン。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009501140A JP5036804B2 (ja) | 2007-02-28 | 2008-02-28 | 振動ピックアップ型マイクロホン |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007049401 | 2007-02-28 | ||
JP2007049401 | 2007-02-28 | ||
PCT/JP2008/000376 WO2008105180A1 (ja) | 2007-02-28 | 2008-02-28 | 振動ピックアップ型マイクロホン |
JP2009501140A JP5036804B2 (ja) | 2007-02-28 | 2008-02-28 | 振動ピックアップ型マイクロホン |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2008105180A1 true JPWO2008105180A1 (ja) | 2010-06-03 |
JP5036804B2 JP5036804B2 (ja) | 2012-09-26 |
Family
ID=39721022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009501140A Expired - Fee Related JP5036804B2 (ja) | 2007-02-28 | 2008-02-28 | 振動ピックアップ型マイクロホン |
Country Status (6)
Country | Link |
---|---|
US (1) | US8416978B2 (ja) |
EP (1) | EP2129163B1 (ja) |
JP (1) | JP5036804B2 (ja) |
KR (1) | KR101319175B1 (ja) |
CN (1) | CN101622883B (ja) |
WO (1) | WO2008105180A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2242284A4 (en) * | 2008-02-08 | 2011-05-04 | Temco Japan | VIBRATION SENSOR MICROPHONE |
JP5079914B1 (ja) * | 2011-12-26 | 2012-11-21 | パナソニック株式会社 | 接触式マイクロホン及び接触式マイクロホンを備える送受信装置 |
DK2699021T3 (en) | 2012-08-13 | 2016-09-26 | Starkey Labs Inc | Method and apparatus for self-voice detection in a hearing-aid |
US8934637B2 (en) * | 2012-12-03 | 2015-01-13 | Elegant Medical LLC | Electronic stethoscope |
CN106982399A (zh) * | 2017-01-20 | 2017-07-25 | 纳智源科技(唐山)有限责任公司 | 集音器及具有其的集音装置 |
JP6695532B2 (ja) * | 2018-01-18 | 2020-05-20 | 正之 宮司 | ピックアップカートリッジ |
JP7345825B2 (ja) * | 2019-07-26 | 2023-09-19 | 株式会社oneA | 睡眠時の呼吸音測定装置 |
AU2020376972A1 (en) * | 2019-10-29 | 2022-05-19 | Respiri Limited | Apparatus for detecting breath sounds |
US11785375B2 (en) * | 2021-06-15 | 2023-10-10 | Quiet, Inc. | Precisely controlled microphone acoustic attenuator with protective microphone enclosure |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE513534A (ja) * | 1951-08-17 | |||
US2790032A (en) * | 1952-10-03 | 1957-04-23 | Gasaccumulator Svenska Ab | Contact microphone |
US4450930A (en) * | 1982-09-03 | 1984-05-29 | Industrial Research Products, Inc. | Microphone with stepped response |
JPS63278490A (ja) * | 1987-05-08 | 1988-11-16 | Matsushita Electric Ind Co Ltd | 動電型ユニット |
JPH11275681A (ja) * | 1998-03-26 | 1999-10-08 | Sony Corp | 音響・電気変換装置 |
JP2001189996A (ja) * | 1999-12-27 | 2001-07-10 | Teruo Matsuoka | 圧電セラミックを利用してダイナミックスピーカーユニット、又は増幅電子回路に接続して密閉マイクケースの中に入れて喉の近くの首やこめかみ、あご等の顔や頭の一部に軽く触れさせて音声を発生した時の振動を感知して音声に変換するマイクロホン |
JP2001292489A (ja) | 2000-04-10 | 2001-10-19 | Kubota Corp | 骨伝導マイク付きヘッドホン |
JP2001309473A (ja) * | 2000-04-26 | 2001-11-02 | Yoshio Kitamura | 防水型振動マイクロホン |
JP4033830B2 (ja) * | 2002-12-03 | 2008-01-16 | ホシデン株式会社 | マイクロホン |
JP2004229147A (ja) | 2003-01-27 | 2004-08-12 | Hitachi Maxell Ltd | 耳装着型の通話装置 |
JP2006020247A (ja) | 2004-07-05 | 2006-01-19 | Totsu Denshi Kk | 耐騒音マイク |
US7580533B2 (en) * | 2005-02-16 | 2009-08-25 | Schwartz David M | Particulate flow detection microphone |
US7489793B2 (en) * | 2005-07-08 | 2009-02-10 | Otologics, Llc | Implantable microphone with shaped chamber |
CN2814852Y (zh) * | 2005-07-28 | 2006-09-06 | 陈奚平 | 骨传导麦克风及具有该骨传导麦克风的手持机 |
-
2008
- 2008-02-28 KR KR1020097016268A patent/KR101319175B1/ko not_active IP Right Cessation
- 2008-02-28 EP EP08720290A patent/EP2129163B1/en not_active Not-in-force
- 2008-02-28 JP JP2009501140A patent/JP5036804B2/ja not_active Expired - Fee Related
- 2008-02-28 WO PCT/JP2008/000376 patent/WO2008105180A1/ja active Application Filing
- 2008-02-28 US US12/525,673 patent/US8416978B2/en not_active Expired - Fee Related
- 2008-02-28 CN CN2008800063821A patent/CN101622883B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO2008105180A1 (ja) | 2008-09-04 |
EP2129163A1 (en) | 2009-12-02 |
CN101622883B (zh) | 2012-11-28 |
KR101319175B1 (ko) | 2013-10-16 |
US8416978B2 (en) | 2013-04-09 |
KR20090122916A (ko) | 2009-12-01 |
EP2129163A4 (en) | 2011-01-26 |
US20100119086A1 (en) | 2010-05-13 |
CN101622883A (zh) | 2010-01-06 |
EP2129163B1 (en) | 2013-01-09 |
JP5036804B2 (ja) | 2012-09-26 |
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