JP2010528547A - オーディオ装置 - Google Patents
オーディオ装置 Download PDFInfo
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- JP2010528547A JP2010528547A JP2010509878A JP2010509878A JP2010528547A JP 2010528547 A JP2010528547 A JP 2010528547A JP 2010509878 A JP2010509878 A JP 2010509878A JP 2010509878 A JP2010509878 A JP 2010509878A JP 2010528547 A JP2010528547 A JP 2010528547A
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Images
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
- H04R1/105—Earpiece supports, e.g. ear hooks
-
- 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
-
- 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
- H04R1/1066—Constructional aspects of the interconnection between earpiece and earpiece support
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R5/00—Stereophonic arrangements
- H04R5/033—Headphones for stereophonic communication
- H04R5/0335—Earpiece support, e.g. headbands or neckrests
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Headphones And Earphones (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Abstract
【選択図】図1
Description
例えば、一端が所定の回転弾性(kr)で、他端が所定の並進弾性(kz)で支持される圧電ビーム式の変換器に関して、ビームの最低モードは並進剛性及び回転剛性の値に応じて変化する。kz=0は自由端、kz=無限大は支持端、及びkr=0は支持端、kr=無限大はクランプ端である。単純支持の近似値は、最大krを0と無限大との間の中間に選択し、最小kzを0と無限大との間の中間に選択することによって得ることができる。
kz>約3EI/L3
kr<約3EI/L
となり、ここで、
E=ヤング率
I=慣性面積モーメント(1/12×厚さ3×幅)
L=長さ
である。
剛性率Gは、
G=E/2/(1+nu)〜3/8×E
で求めることができる。
オーディオ装置は両耳で使用するために手で支える必要がない。ユーザは各々のアームに取り付けられる2つのオーディオ装置を使用できる。各々のオーディオ装置には異なる信号を入力して、例えば、相関性のあるステレオ音像を形成してバックグラウンドミュージックを提供すること、又は両方のオーディオ装置に同じ信号を入力することができる。
変換器は、全体的に又は部分的にハウジングで取り囲むことができる。ハウジングは、ゴム、シリコーン、又はポリウレタン等の比較的軟質な材料で作ることができる。もしくは、ハウジングは、特に取り扱い時に変換器を保護するために、例えば、金属(例えば、アルミニウム又はスチール)、硬質プラスチック(例えば、パースペクス、アクリロニトリル・ブタジエン・スチレン(ABS)、又はガラス強化プラスチック)で作ることができる。
Claims (13)
- ハウジングと、該ハウジングに取り付けられる圧電変換器とを備え、前記変換器は、ユーザの耳介に隣接して配置されたとき、耳介に振動を励起して該耳介が変換器からの音響信号をユーザの内耳に伝達するようになっている、オーディオ装置であって、前記変換器を、単純支持に近い状態で前記ハウジングに結合する結合器を備えることを特徴とするオーディオ装置。
- 前記変換器が分布モード変換器であることを特徴とする請求項1に記載のオーディオ装置。
- 前記変換器が矩形であり、前記結合器が、前記変換器の対向端に隣接して取り付けられる2つのブロックを備えることを特徴とする請求項1又は2に記載のオーディオ装置。
- 前記ブロックがポリマー又はセル状発泡体製であることを特徴とする請求項3に記載のオーディオ装置。
- 前記ハウジングが、前記変換器とユーザの耳介との間の境界を形成する弾性層を備えることを特徴とする前記請求項の何れかに記載のオーディオ装置。
- 前記弾性層及び前記変換器の機械的特性が、前記変換器と前記耳介との間の接触力を最適にするように構成されていることを特徴とする請求項5に記載のオーディオ装置。
- 前記弾性層及び前記変換器の機械的特性が、前記変換器の周波数帯域を最適にするように構成されていることを特徴とする請求項5又は6に記載のオーディオ装置。
- 前記結合器が、導電性材料からできていることを特徴とする前記請求項の何れかに記載のオーディオ装置。
- 前記変換器が中央ベーンを備え、該中央ベーンが、2つの圧電素子の間にサンドイッチされて前記圧電素子の端部を超えて延びており、導電性結合器が、前記中央ベーンの前記圧電素子を超えて延びる部分に結合されていることを特徴とする請求項8に記載のオーディオ装置。
- 前記ハウジングが眼鏡類に取り付け可能であることを特徴とする前記請求項の何れかに記載のオーディオ装置。
- ハウジングと、該ハウジングに取り付けられる圧電変換器とを備え、前記変換器はユーザの耳介に隣接して配置されたとき、耳介に振動を励起して該耳介が変換器からの音響信号をユーザの内耳に伝達するようになっている、オーディオ装置であって、前記変換器を前記ハウジングに結合する導電性結合器を備えることを特徴とするオーディオ装置。
- 前記結合器が、前記変換器に対し単純支持を近似する支持を与えるものであることを特徴とする請求項11に記載のオーディオ装置。
- 前記請求項の何れかに記載のオーディオ装置を組み込んだ眼鏡類。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0710378.1A GB0710378D0 (en) | 2007-05-31 | 2007-05-31 | Audio apparatus |
PCT/GB2008/001346 WO2008145949A1 (en) | 2007-05-31 | 2008-04-17 | Audio apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2010528547A true JP2010528547A (ja) | 2010-08-19 |
Family
ID=38289591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010509878A Pending JP2010528547A (ja) | 2007-05-31 | 2008-04-17 | オーディオ装置 |
Country Status (6)
Country | Link |
---|---|
US (2) | US8842870B2 (ja) |
EP (1) | EP2158790A1 (ja) |
JP (1) | JP2010528547A (ja) |
CN (1) | CN101766036B (ja) |
GB (1) | GB0710378D0 (ja) |
WO (1) | WO2008145949A1 (ja) |
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US8886263B2 (en) | 2010-12-27 | 2014-11-11 | Rohm Co., Ltd. | Incoming/outgoing-talk unit and incoming-talk unit |
US8918149B2 (en) | 2010-12-27 | 2014-12-23 | Rohm Co., Ltd. | Mobile telephone |
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US9313306B2 (en) | 2010-12-27 | 2016-04-12 | Rohm Co., Ltd. | Mobile telephone cartilage conduction unit for making contact with the ear cartilage |
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Also Published As
Publication number | Publication date |
---|---|
US20120237075A1 (en) | 2012-09-20 |
US8842870B2 (en) | 2014-09-23 |
CN101766036B (zh) | 2014-07-02 |
US20150071479A1 (en) | 2015-03-12 |
CN101766036A (zh) | 2010-06-30 |
EP2158790A1 (en) | 2010-03-03 |
GB0710378D0 (en) | 2007-07-11 |
WO2008145949A1 (en) | 2008-12-04 |
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