JPH11500595A - 改良形客室音声装置用圧電スピーカー - Google Patents
改良形客室音声装置用圧電スピーカーInfo
- Publication number
- JPH11500595A JPH11500595A JP9513811A JP51381197A JPH11500595A JP H11500595 A JPH11500595 A JP H11500595A JP 9513811 A JP9513811 A JP 9513811A JP 51381197 A JP51381197 A JP 51381197A JP H11500595 A JPH11500595 A JP H11500595A
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric element
- panel
- diaphragm
- speaker
- signal
- 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
Links
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- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims 1
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- 239000012528 membrane Substances 0.000 description 2
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- 239000002985 plastic film Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
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- 235000012431 wafers Nutrition 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
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- 239000003292 glue Substances 0.000 description 1
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Classifications
-
- 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
-
- 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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.加えられた電位による変位を受け上面と下面を有する圧電素子と、 圧電素子によって駆動され、圧電素子の下面に結合されるパネルダイヤ フラムと、 パネルダイヤフラム内の構造共振を減少させ、圧電素子に接近して置か れている減衰手段と、 入力音声信号を受けて前記信号を増幅する手段であり、圧電素子に電気 的に接続されてそれに電位を加え、前記圧電素子の上面の上方に置かれている電 子装置と、 電子装置と圧電素子の上面を実質上覆う手段と を備えるスピーカ装置モジュール。 2.圧電素子とパネルダイヤフラムの中間に取付けられて位置決めされた少 なくとも一つの結合層をさらに備える請求項1に記載のモジュール。 3.前記少なくとも一つの結合層が楕円形ディスクの形になっている請求項 2に記載のモジュール。 4.第1の層が第2の層の上に置かれ、両方の層が圧電素子とパネルダイヤ フラムの中間に配置された2枚の結合層をさらに備える請求項1に記載のモジュ ール。 5.加えられた電位による変位を受け上面と下面を有する圧電素子と、 圧電素子によって駆動され、下面と上面を備え、圧電素子の下面を前記 上面に取付けられたパネルダイヤフラムと、 パネルダイヤフラムの上面を実質上覆って囲う箱枠と を備える閉平形パネルスピーカ。 6.パネルダイヤフラムの上面に取付けられた第2の圧電素子をさらに備え る請求項5に記載のモジュール。 7.圧電素子とパネルダイヤフラムの中間に取付けられて位置決めされた少 なくとも一つの結合層をさらに備える請求項5に記載のモジュール。 8.前記結合層が楕円形ディスクの形になっている請求項7に記載のモジュ ール。 9.第1の層が第2の層の上に置かれ、両方の層が圧電素子とパネルダイヤ フラムの中間に配置された2枚の結合層をさらに備える請求項7に記載のモジュ ール。 10.加えられた電位による変位を受け、上面と下面を有する第1の圧電素子 と、 第1の圧電素子によって駆動されるパネルダイヤフラムと、 入力音声信号を受けて前記信号を増幅し圧電素子に入る電圧振幅を大き くする手段であり、前記圧電素子に電気的に接続されてそれに電位を加える電子 装置と、 パネルダイヤフラム内の共鳴振動を検知し、前記信号を増幅されるべき 信号に変換し、前記増幅された信号を前記入力音声信号から差引くダイナミック 等化手段と を備えるスピーカ装置。 11.前記ダイナミック等化手段がパネルダイヤフラムに取付けられ、パネル ダイヤフラム内の共鳴振動を検知して前記振動を信号に変換する第2の圧電素子 を備える請求項10に記載のモジュール。 12.前記ダイナミック等化手段が、第1の圧電素子によって作られパネルダ イヤフラム内の共鳴振動の結果であるすべての電気信号を検出するための手段を 備える請求項10に記載のモジュール。 13.前記電子手段が入力音声信号を増幅するプッシュプルモードで動作する 1対の線形電力増幅器を備える請求項10に記載のモジュール。 14.圧電素子によって駆動されるパネルダイヤフラムを備える少なくとも一 つの中間周波平形スピーカと、 圧電素子によって駆動されるパネルダイヤフラムを備える少なくとも一 つの高周波平形スピーカと、 複数のマイクロホンと低周波ダイナミックスピーカを備え、客室内の不 必要な暗騒音を低減する手段を備え、 前記ダイナミックスピーカがまた所望の低周波音声再生のために用いら れている客室用スピーカ装置。 15.上面と下面を有する支持枠と、 前記支持枠によって支持され、振動させられると音を発生することがで き、一つは前記支持枠の上面に取付けられ、他方は前記支持枠の下面に取付けら れた2枚の異なる寸法のダイヤフラムと、 別々の圧電素子を各ダイヤフラムに取付けてダイヤフラムを駆動する二 つの圧電素子とを含む平形パネルスピーカ。 16.低周波、中間周波及び高周波範囲の成分を有する音声信号から客室内の 音を再生する方法において、 (a)振動させられると、下側、中間及び上側範囲の周波数の音を生ずるよ うに構成されている別個の領域を有する内装で客室の諸部分を覆う段階と、 (b)内装を振動させる圧電素子を振動させられると下側、中間及び上側範 囲の音を一括して発生できる異なる領域に取付ける段階と、 (c)前記音声信号に従って音を発生するために取付けられた内装を振動さ せるために圧電素子に電位を加える段階と を含む客室内で音を再生する方法。 17.客室放送信号から音声信号を始める段階及び客室放送装置と圧電素子の 中間に置かれたクロスオーバ回路を用いて客室放送装置の音声信号を下側、中間 及び上側範囲の成分に分けることをさらに含む請求項16に記載の方法。 18.(a)中間及び上側範囲の周波数の音を再生できる圧電駆動平形スピー カを着席客の耳に近い客室の領域に配置する段階と、 (b)少なくとも一つの低周波ダイナミックスピーカを客室内に配置す る段階と を含む客室内で音を再生する方法。 19.低周波ダイナミックスピーカが一つだけ客室内に置かれ、前記一つの低 周波ダイナミックスピーカを着席客の耳から離して置いてある請求項18に記載 の方法。 20.圧電駆動平形スピーカが客室の内装又は内張りの選択された領域を駆動 する圧電素子からなる請求項18に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/533,048 | 1995-09-25 | ||
US08/533,048 US5901231A (en) | 1995-09-25 | 1995-09-25 | Piezo speaker for improved passenger cabin audio systems |
PCT/US1996/015323 WO1997017818A1 (en) | 1995-09-25 | 1996-09-25 | Piezo speaker for improved passenger cabin audio systems |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH11500595A true JPH11500595A (ja) | 1999-01-12 |
JP3569529B2 JP3569529B2 (ja) | 2004-09-22 |
Family
ID=24124248
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51381197A Expired - Fee Related JP3569529B2 (ja) | 1995-09-25 | 1996-09-25 | 改良形客室音声装置用圧電スピーカー |
Country Status (10)
Country | Link |
---|---|
US (2) | US5901231A (ja) |
EP (2) | EP0936842B1 (ja) |
JP (1) | JP3569529B2 (ja) |
KR (1) | KR100472615B1 (ja) |
AT (2) | ATE263472T1 (ja) |
BR (1) | BR9611372A (ja) |
CA (1) | CA2230376C (ja) |
DE (2) | DE69632415T2 (ja) |
ES (2) | ES2218599T3 (ja) |
WO (1) | WO1997017818A1 (ja) |
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- 1996-09-25 CA CA002230376A patent/CA2230376C/en not_active Expired - Fee Related
- 1996-09-25 AT AT96933882T patent/ATE263472T1/de not_active IP Right Cessation
- 1996-09-25 AT AT99108305T patent/ATE266302T1/de not_active IP Right Cessation
- 1996-09-25 ES ES96933882T patent/ES2218599T3/es not_active Expired - Lifetime
- 1996-09-25 BR BR9611372A patent/BR9611372A/pt not_active IP Right Cessation
- 1996-09-25 DE DE69632415T patent/DE69632415T2/de not_active Expired - Fee Related
- 1996-09-25 JP JP51381197A patent/JP3569529B2/ja not_active Expired - Fee Related
- 1996-09-25 KR KR10-1998-0702136A patent/KR100472615B1/ko not_active IP Right Cessation
- 1996-09-25 ES ES99108305T patent/ES2219949T3/es not_active Expired - Lifetime
- 1996-09-25 EP EP96933882A patent/EP0872157B1/en not_active Expired - Lifetime
- 1996-09-25 DE DE69632073T patent/DE69632073T2/de not_active Expired - Fee Related
- 1996-09-25 WO PCT/US1996/015323 patent/WO1997017818A1/en active IP Right Grant
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1998
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---|---|
DE69632415T2 (de) | 2005-05-19 |
ES2219949T3 (es) | 2004-12-01 |
EP0936842A1 (en) | 1999-08-18 |
DE69632073D1 (de) | 2004-05-06 |
US5901231A (en) | 1999-05-04 |
EP0872157A1 (en) | 1998-10-21 |
WO1997017818A1 (en) | 1997-05-15 |
EP0872157B1 (en) | 2004-03-31 |
ES2218599T3 (es) | 2004-11-16 |
CA2230376A1 (en) | 1997-05-15 |
KR100472615B1 (ko) | 2005-07-21 |
JP3569529B2 (ja) | 2004-09-22 |
ATE266302T1 (de) | 2004-05-15 |
KR19990063674A (ko) | 1999-07-26 |
US6215884B1 (en) | 2001-04-10 |
EP0936842B1 (en) | 2004-05-06 |
DE69632073T2 (de) | 2005-02-17 |
BR9611372A (pt) | 1999-07-13 |
EP0872157A4 (en) | 1999-08-18 |
DE69632415D1 (de) | 2004-06-09 |
CA2230376C (en) | 2002-07-16 |
ATE263472T1 (de) | 2004-04-15 |
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