JP5008862B2 - 電気音響変換器 - Google Patents
電気音響変換器 Download PDFInfo
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- JP5008862B2 JP5008862B2 JP2005343935A JP2005343935A JP5008862B2 JP 5008862 B2 JP5008862 B2 JP 5008862B2 JP 2005343935 A JP2005343935 A JP 2005343935A JP 2005343935 A JP2005343935 A JP 2005343935A JP 5008862 B2 JP5008862 B2 JP 5008862B2
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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
- 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
- H04R1/227—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only using transducers reproducing the same frequency band
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
- B60R11/0217—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof for loud-speakers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
-
- 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
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2873—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself for loudspeaker transducers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R13/0237—Side or rear panels
- B60R13/0243—Doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R13/0268—Rear parcel liners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
- B60R2013/0287—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners integrating other functions or accessories
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/85—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a wire connector
- H01L2224/852—Applying energy for connecting
- H01L2224/85201—Compression bonding
- H01L2224/85205—Ultrasonic bonding
-
- 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
- H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
- H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker 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
- H04R1/20—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
- H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
- H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker 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
- H04R1/20—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
- H04R1/2838—Enclosures comprising vibrating or resonating arrangements of the bandpass type
- H04R1/2842—Enclosures comprising vibrating or resonating arrangements of the bandpass type for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
- H04R2209/027—Electrical or mechanical reduction of yoke vibration
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/025—Magnetic circuit
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Description
12 第1の変換器
13 第2の変換器
14 機械的連結部
15 コンプライアント容積
16 ポートチューブ
17 増幅器
18 リスニングエリア
19 剛体連結部材
21,22 ダイアフラム
21a 第1の表面
21b 第2の表面
25,26 フレーム
27,28 モーター構造
29 音響ポート
30 容積またはキャビティ
31 キャビティ
32,33 変換器
34,35 モーター構造
36 機械的連結部
52 筐体
54 サブ筐体
56 音響素子
58 音響素子
64 サブ筐体
66,68,69 パッシブラジエーター
72 筐体
72a及び72b 容積
74 サブ筐体
76 パッシブラジエーター
80 アセンブリ
81 筐体
82,84,86,88 変換器
82’,84’,86’,88’ 変換器
83,85,87,89 ダイアフラム
90 剛体部材
92 キャビティ
93 前側
95 後側
100 ラウドスピーカーアセンブリ
102 無限大バッフル
104 第1の電気音響変換器
106 第2の電気音響変換器
108,112 ダイアフラム
110,114 モーター構造
116 リスニングエリア
118 キャビティ
150 ラウドスピーカーシステム
152,154 第1の表面
156 第1のバッフル
160 第2の表面
162 第2のバッフル
164 剛体部材
166 バッフル
180,182 他の剛体部材
202,204 電気音響変換器
206,208 ダイアフラム
202 第3の変換器
210 第3のバッフル
214 他の電力増幅器
250 ラウドスピーカーシステム
252 第1の変換器
254 第2の変換器
256 無限大バッフル
258,260 ダイアフラム
265 ラウドスピーカーシステム
266,267 モーター構造
270 ラウドスピーカーシステム
272,274 電気音響変換器の第1のペア
276,278 第2のペア
280 無限大バッフル
282,283,284 第1の複数の剛体部材
285,286,287 剛体部材
288 第1の増幅器
289,290 導電性経路
292 第2の増幅器
294,296 導電性経路
300 ラウドスピーカーシステム
302,304 電気音響変換器
306 無限大バッフル
308 車両の後部座席
310,312 バッフル
314,316,318 剛体部材
322 パススルー
323 シートバック
324 アームレスト
350 ラウドスピーカーシステム
352 構造パネル
354 第1の変換器
356 反転されたモーター構造
358 第2の変換器
360 反転されたモーター構造
362 剛体部材
368 キャビティ
370 音響的に透過的なスクリーンまたはグリル
400 電気音響変換器
402 磁石アセンブリ
403,404 モーター構造
406 第1のダイアフラム
406a 前面
408 第2のダイアフラム
410 共通フレームまたはバスケット
412 第1の周囲
414 第1のボビン
416 第1のボイスコイル
418 第1のスパイダー部材
420 支持構造物
422 第1の磁束ギャップ
424 上部プレート
426 永久磁石
428 バックプレート/ポールピースアセンブリ
432 ダストキャップ
434 リード線
436 編組線
438,468 端子
442 第2の周囲
444 第2のボビン
446 第2のボイスコイル
448 第2のスパイダー部材
452 第2の磁束ギャップ
454 上部プレート
456 永久磁石
458 バックプレート/ポールピースアセンブリ
464 リード線
470,472 通気穴
474 スクリムクロス
501 音響シールド
502 追加的な通気穴
520 ラウドスピーカーシステム
522 筐体
524 リスニングエリア
526 キャビティ
528 通気穴
530 音響経路
532 通気穴
550 ラウドスピーカーシステム
552,560 構造パネル
553,554 機械構造
558 筐体
564 音響経路
600 電気音響変換器
602 磁石アセンブリ
604 単一のモーター構造
606 第1の磁気ギャップ
608 第2の磁気ギャップ
610 リング磁石
612 上部プレート
620 対称線
622,622’ 磁場線
624 第1の方向
626 磁場線
632 磁石アセンブリ
634 代替えリング磁石
636 磁気アイソレータ
638 モーター構造
640 第1のサイドプレート
642 第2のサイドプレート
650 電気音響変換器
652 磁石アセンブリ
654,656 モーター構造
658,660 単一の磁束ギャップ
662 リング磁石
664 第1のボイスコイル
668 第1のボビン
670 第2のボイスコイル
672 第2のボビン
674 空隙
676 第1の透磁性プレート
677 第1の上部プレート
678 第1のポールプレート
680 第1の剛体支持部材
680,686 剛体支持構造
684 第2のポールプレート
690 第1のダイアフラム
692 第2のダイアフラム
694 共通フレームまたはバスケット
704 中央プレート
706,708 ダストキャップ
710 第1の一連の通気穴
712 第2の一連の通気穴
750 電気音響変換器
752 磁石アセンブリ
754 第1のモーター構造
756 スラグ磁石
758 第2のモーター構造
760 リング磁石
762 第1の磁気ギャップ
764 第2の磁気ギャップ
766 第1のボイスコイル
768 第1のボビン
770 第2のボイスコイル
772 第2のボビン
774 絶縁体
776 第1の上部プレート
778 第1のバックプレートアセンブリ
782 第2の上部プレート
784 第2のバックプレートアセンブリ
788 第1のダイアフラム
790 第2のダイアフラム
792 共通フレームまたはバスケット
Claims (15)
- 電気音響変換器(400;600;630)であって、
a)第1の磁束ギャップ(422;606)及び第2の磁束ギャップ(452;608)を備える磁石アセンブリ(402;602;632)と、
b)前記第1の磁束ギャップ(422;606)内に配置された第1のボイスコイル(416)と、
c)前記第1のボイスコイル(416)、及び一端が開口された有底状のフレーム(410)に機械的に結合された第1のダイアフラム(406)であって、前記第1のボイスコイル(416)が、第1の入力信号を受信したことに応答して前記第1のダイアフラム(406)を第1の方向に移動させるように構成された第1のダイアフラム(406)と、
d)前記第2の磁束ギャップ(452;608)内に配置された第2のボイスコイル(446)と、
e)前記第2のボイスコイル(446)及び前記フレーム(410)に機械的に結合された第2のダイアフラム(408)であって、前記第2のボイスコイル(446)が、第2の入力信号を受信したことに応答して前記第2のダイアフラム(408)を前記第1の方向と略反対の第2の方向に移動させ、前記第2のダイアフラム(408)の移動は、前記第1のダイアフラム(406)の移動により前記フレーム(410)に伝わる振動を低減するように構成された第2のダイアフラム(408)と、
を備え、
前記磁石アセンブリ(402;602;632)は、前記フレーム(410)の底部に収容されると共に、前記第1の磁束ギャップ(422;606)及び前記第2の磁束ギャップ(452;608)のうちの少なくとも1つに近接して位置決めされている少なくとも1つの導電性短絡リング(628)を備え、
前記第1のダイアフラム(406)及び前記第2のダイアフラム(408)の双方が、前記磁石アセンブリ(402;602;632)の開口側に設けられていることを特徴とする電気音響変換器。 - 前記第1の入力信号及び前記第2の入力信号は、反対の相対極性を有していることを特徴とする請求項1に記載の電気音響変換器。
- 前記第1の入力信号及び前記第2の入力信号は、同一であることを特徴とする請求項1に記載の電気音響変換器。
- 前記第2のボイスコイルは、前記第1のボイスコイルを実質的に囲繞していることを特徴とする請求項1に記載の電気音響変換器。
- 前記磁石アセンブリは、リング磁石、ドーナツ磁石、及びスラグ磁石のうちの少なくとも1つを備えていることを特徴とする請求項1に記載の電気音響変換器。
- 前記磁石アセンブリは、前記第1の磁束ギャップ及び前記第2の磁束ギャップに静磁場を与えるリング磁石を備えていることを特徴とする請求項1に記載の電気音響変換器。
- 前記第1のボイスコイルに前記第1の入力信号が印加されると第1の磁場を発生させ、前記第2のボイスコイルに前記第2の入力信号が印加されると第2の磁場を発生させ、
前記第1のボイスコイル及び前記第2のボイスコイルは、前記第2の磁場が、前記第1の磁束ギャップ及び前記第2の磁束ギャップの少なくとも一方で磁束の変調が生じる点で、前記第1の磁場と反対の極性を有するように巻かれていることを特徴とする請求項1に記載の電気音響変換器。 - 前記第2の磁束ギャップは、前記第1の磁束ギャップに対して同心円状に配置されることを特徴とする請求項1に記載の電気音響変換器。
- 更に、前記第1のボイスコイル及び前記第2のボイスコイルの少なくとも一方に電気的に結合される少なくとも1つのローパスフィルタを備えることを特徴とする請求項1に記載の電気音響変換器。
- 前記第1のダイアフラム及び前記第2のダイアフラムの少なくとも一方は、楕円形状であることを特徴とする請求項1に記載の電気音響変換器。
- 前記磁石アセンブリは、前記第1のダイアフラム及び前記第2のダイアフラムの少なくとも一方に対して反転されたモーター構造を備えることを特徴とする請求項1に記載の電気音響変換器。
- 前記フレームは、車両内の無限大バッフルに機械的に結合されることを特徴とする請求項1に記載の電気音響変換器。
- 前記フレームは、壁に機械的に結合されることを特徴とする請求項1に記載の電気音響変換器。
- 前記磁石アセンブリは放射状に磁化されたリング磁石を備え、前記第1の磁束ギャップ及び前記第2の磁束ギャップが、前記磁石の内外周それぞれの近傍に設けられていることを特徴とする請求項1に記載の電気音響変換器。
- 前記磁石アセンブリは放射状に磁化されたリング磁石を備え、前記第1のボイスコイル及び前記第2のボイスコイルが、前記磁石アセンブリの磁化に対して垂直な方向に移動することを特徴とする請求項1に記載の電気音響変換器。
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JP2005343935A Active JP5008862B2 (ja) | 2004-11-30 | 2005-11-29 | 電気音響変換器 |
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JP (1) | JP5008862B2 (ja) |
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US7551749B2 (en) | 2002-08-23 | 2009-06-23 | Bose Corporation | Baffle vibration reducing |
US6985593B2 (en) | 2002-08-23 | 2006-01-10 | Bose Corporation | Baffle vibration reducing |
CN2615975Y (zh) | 2003-04-15 | 2004-05-12 | 深圳市美欧电子股份有限公司 | 双磁回路振动与发声多功能换能器 |
US7133533B2 (en) | 2003-07-21 | 2006-11-07 | Bose Corporation | Passive acoustic radiating |
-
2004
- 2004-11-30 US US10/999,419 patent/US7551749B2/en active Active
-
2005
- 2005-11-29 EP EP05111421.3A patent/EP1679936B1/en active Active
- 2005-11-29 JP JP2005343935A patent/JP5008862B2/ja active Active
- 2005-11-30 CN CN2005100034649A patent/CN1819710B/zh not_active Expired - Fee Related
-
2007
- 2007-01-12 HK HK07100450.6A patent/HK1095472A1/xx not_active IP Right Cessation
-
2009
- 2009-04-14 US US12/423,572 patent/US7983436B2/en not_active Expired - Fee Related
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2011
- 2011-07-19 US US13/185,719 patent/US8396240B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1679936A2 (en) | 2006-07-12 |
HK1095472A1 (en) | 2007-05-04 |
US7551749B2 (en) | 2009-06-23 |
US8396240B2 (en) | 2013-03-12 |
US20090208026A1 (en) | 2009-08-20 |
US20050111673A1 (en) | 2005-05-26 |
US20120008813A1 (en) | 2012-01-12 |
JP2006157924A (ja) | 2006-06-15 |
US7983436B2 (en) | 2011-07-19 |
EP1679936B1 (en) | 2018-01-10 |
EP1679936A3 (en) | 2008-05-21 |
CN1819710B (zh) | 2012-02-01 |
CN1819710A (zh) | 2006-08-16 |
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