JP2013538538A - ビデオディスプレイデバイスのための低周波筐体 - Google Patents
ビデオディスプレイデバイスのための低周波筐体 Download PDFInfo
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- 230000005855 radiation Effects 0.000 claims description 17
- 230000005534 acoustic noise Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000002381 plasma Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003098 cholesteric effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
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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
- H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
- H04N5/642—Disposition of sound reproducers
-
- 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
-
- 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
- H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
-
- 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
-
- 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
- H04R1/2892—Mountings or supports for transducers
- H04R1/2896—Mountings or supports for transducers 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
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
Abstract
Description
7 導波路
10 音響ドライバ
10A 音響ドライバ
10B 音響ドライバ
10C 音響ドライバ
10D 音響ドライバ
10E 音響ドライバ
10F 音響ドライバ
11 閉端、音響ドライバ端
12A 導波路
12B 導波路
12B−1 導波路
12B−2 導波路
12C 導波路
12D 導波路
12E 導波路
12F 導波路
13 壁
18 開放端、出口
22 チャンバー
22A チャンバー
22B チャンバー
24 セクション
25 セクション
26 セクション、チャンバー
27 セクション
29 チャンバー
29A チャンバー
29B チャンバー
31 曲面
31A 曲面
31B 曲面
32 チャンバー
33 音響ドライバ
34 開口、筐体
34B 入り口
36 電子機器コンポーネント
38 開口
38A 入り口
38B 入り口
42 バッフル
46 仕切り
48 仕切り
66A 経路
100 導波路組立体
110 テレビジョン、表示装置、ディスプレイ
112 ディスプレイデバイス
114 ハウジング
116 スタンド
117 ルーバ
118 厚さ
10 音響ドライバ
120A 音響ドライバ
120B 音響ドライバ
120C 音響ドライバ
120D 音響ドライバ
120E 音響ドライバ
120F 音響ドライバ
122 導波路
124 出口
V1 容積
V2 容積
V3 容積
V4 容積
V´2 容積´
V´4 容積
VC 容積
VD 容積
Claims (34)
- 動画像を表示するフラットパネルディスプレイデバイスと、
前記フラットパネルディスプレイデバイスを支持するハウジングと、
実質的に(a)前記ハウジング内および(b)前記ディスプレイデバイスの裏側に位置する第1の音響容積と、
前記第1の音響容積に音響エネルギーを与える2つ以上の音響ドライバであって、前記ドライバから前記第1の音響容積に与えられた音響エネルギーが実質的に足し合わされて、前記ドライバからの振動エネルギーが実質的に相殺されるような位置に置かれる、前記音響ドライバと、
を含むテレビジョン。 - 前記第1の音響容積が、導波路を含む請求項1に記載のテレビジョン。
- 前記第1の音響容積が、前記ハウジングの外部の周囲環境への出口を1つだけ含む請求項1に記載のテレビジョン。
- 前記ハウジングの外部の周囲環境への前記第1の音響容積の出口が、前記テレビジョンが実質的に水平な面に置かれた場合に実質的に下方向を向く請求項1に記載のテレビジョン。
- 前記音響容積に音響エネルギーを与える6つの音響ドライバが存在する請求項1に記載のテレビジョン。
- 各ドライバが、動画像が投影される前記ディスプレイデバイスの面に実質的に平行な方向に振動する請求項1に記載のテレビジョン。
- 前記ハウジングが、厚さ約200mm未満の、動画像が投影される前記ディスプレイデバイスの面に実質的に垂直な方向の厚さを有する請求項1に記載のテレビジョン。
- 前記第1の音響容積が音響導波路を含み、各音響ドライバの第1の面が、前記導波路に前記音波を放射しその結果、音波が前記導波路から放射されるように、かつ各音響ドライバの第2の面が、前記導波路を含まない経路を通じて環境に音波を放射するように、前記音響ドライバが前記導波路に取り付けられ、前記テレビジョンが、前記導波路からの放射と前記音響ドライバの前記第2の面からの放射とが弱め合うように干渉する波長で前記音響導波路から放射される前記音波の振幅を大きくするために前記導波路に音響的に結合された第2の音響容積を含む請求項1に記載のテレビジョン。
- 動画像を表示するフラットパネルディスプレイデバイスと、
前記フラットパネルディスプレイデバイスを支持するハウジングと、
実質的に(a)前記ハウジング内および(b)前記ディスプレイデバイスの裏側に位置する音響容積と、
前記音響容積に音響エネルギーを与える2つ以上の音響ドライバであって、無響室内で、動画像が投影される前記ディスプレイデバイスの面の中心から1メートルの位置で測定された前記ドライバの最大音響出力が、約40Hzから約80Hzまでの範囲において平均して少なくとも約80dBSPLになる、前記音響ドライバと、
を含むテレビジョン。 - 各音響ドライバの周りを含むコーン組立体の外径が、約85mm未満である請求項9に記載のテレビジョン。
- 各音響ドライバの周りを含むコーン組立体の外径が、約75mm未満である請求項9に記載のテレビジョン。
- 各音響ドライバの周りを含むコーン組立体の外径が、約65mm未満である請求項9に記載のテレビジョン。
- 各音響ドライバの最大のストロークのピークツーピーク値が、少なくとも約15mmである請求項9に記載のテレビジョン。
- 各音響ドライバの最大のストロークのピークツーピーク値が、少なくとも約18mmである請求項9に記載のテレビジョン。
- 各音響ドライバの最大のストロークのピークツーピーク値が、少なくとも約21mmである請求項9に記載のテレビジョン。
- 前記2つ以上のドライバの前記最大音響出力が、平均して少なくとも約85dBSPLになる請求項9に記載のテレビジョン。
- 前記2つ以上のドライバの前記最大音響出力が、平均して約90dBSPLになる請求項9に記載のテレビジョン。
- 合計の音響雑音および歪みが、前記ドライバが前記最大音響出力を出力しているときの約30パーセント未満である請求項9に記載のテレビジョン。
- 合計の音響雑音および歪みが、前記ドライバが前記最大音響出力を出力しているときの約20パーセント未満である請求項9に記載のテレビジョン。
- 合計の音響雑音および歪みが、前記ドライバが前記最大音響出力を出力しているときの約10パーセントである請求項9に記載のテレビジョン。
- 40Hzにおける前記音響出力が、80Hzにおける前記音響出力から約20dBを超えて低下しない請求項9に記載のテレビジョン。
- 40Hzにおける前記音響出力が、80Hzにおける前記音響出力から約13dBを超えて低下しない請求項9に記載のテレビジョン。
- 40Hzにおける前記音響出力が、80Hzにおける前記音響出力から約10dBを超えて低下しない請求項9に記載のテレビジョン。
- 画像が視聴可能な前記ディスプレイデバイスの面の対角線の寸法が、約152.4cm未満である請求項9に記載のテレビジョン。
- 画像が視聴可能な前記ディスプレイデバイスの面の対角線の寸法が、約137cm未満である請求項9に記載のテレビジョン。
- 画像が視聴可能な前記ディスプレイデバイスの面の対角線の寸法が、約117cmである請求項9に記載のテレビジョン。
- 前記音響容積の出口の空気の流れが、画像が投影される前記ディスプレイデバイスの面に実質的に平行である請求項9に記載のテレビジョン。
- 動画像を表示するフラットパネルディスプレイデバイスと、
前記フラットパネルディスプレイデバイスを支持するハウジングと、
実質的に(a)前記ハウジング内および(b)前記ディスプレイデバイスの裏側に位置する導波路と、
前記導波路に音響エネルギーを与える2つ以上の音響ドライバと、
を含み、前記ハウジングが、動画像が投影される前記ディスプレイデバイスの面に実質的に垂直な方向の厚さが約200mm未満であるテレビジョン。 - 前記ハウジングは、動画像が投影される前記ディスプレイデバイスの面に実質的に垂直な方向の厚さが約175mm未満である請求項28に記載のテレビジョン。
- 前記ハウジングは、動画像が投影される前記ディスプレイデバイスの面に実質的に垂直な方向の厚さが約160mm未満である請求項28に記載のテレビジョン。
- 前記ディスプレイデバイスの面が、好ましくは長さ約152.4cm未満である対角線の寸法を有する、動画像が投影される部分を有する請求項28に記載のテレビジョン。
- 前記ディスプレイデバイスの面が、好ましくは長さ約137cm未満である対角線の寸法を有する、動画像が投影される部分を有する請求項28に記載のテレビジョン。
- 前記ディスプレイデバイスの面が、好ましくは長さ約117cm未満である対角線の寸法を有する、動画像が投影される部分を有する請求項28に記載のテレビジョン。
- 前記2つ以上のドライバが、前記ディスプレイの前記面を目に見えて振動させることなく最大音響出力で動作させられる請求項28に記載のテレビジョン。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/886,750 | 2010-09-21 | ||
US12/886,750 US8295526B2 (en) | 2008-02-21 | 2010-09-21 | Low frequency enclosure for video display devices |
PCT/US2011/052347 WO2012040200A1 (en) | 2010-09-21 | 2011-09-20 | Low frequency enclosure for video display devices |
Publications (2)
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JP2013538538A true JP2013538538A (ja) | 2013-10-10 |
JP5759551B2 JP5759551B2 (ja) | 2015-08-05 |
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JP2013529415A Expired - Fee Related JP5759551B2 (ja) | 2010-09-21 | 2011-09-20 | ビデオディスプレイデバイスのための低周波筐体 |
Country Status (5)
Country | Link |
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US (1) | US8295526B2 (ja) |
EP (1) | EP2619996A1 (ja) |
JP (1) | JP5759551B2 (ja) |
CN (1) | CN103119961B (ja) |
WO (1) | WO2012040200A1 (ja) |
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JP5178896B1 (ja) * | 2011-09-15 | 2013-04-10 | 株式会社東芝 | 電子機器 |
US9107003B2 (en) * | 2011-12-15 | 2015-08-11 | Apple Inc. | Extended duct with damping for improved speaker performance |
US9173018B2 (en) | 2012-06-27 | 2015-10-27 | Bose Corporation | Acoustic filter |
KR102201870B1 (ko) | 2013-07-05 | 2021-01-12 | 삼성전자주식회사 | 멀티 채널의 오디오 출력이 가능한 오디오 출력 장치 및 이를 적용한 디스플레이 장치 |
US9473848B2 (en) * | 2013-09-10 | 2016-10-18 | Bose Corporation | Transmission line loudspeaker |
US9913024B2 (en) | 2015-12-28 | 2018-03-06 | Bose Corporation | Acoustic resistive elements for ported transducer enclosure |
US9906855B2 (en) | 2015-12-28 | 2018-02-27 | Bose Corporation | Reducing ported transducer array enclosure noise |
CN106023980A (zh) * | 2016-05-31 | 2016-10-12 | 南京大学 | 一种隔声器及其形成方法 |
US11917361B2 (en) * | 2020-08-12 | 2024-02-27 | Michael Levy | Loudspeaker |
EP4324220A1 (en) * | 2021-04-14 | 2024-02-21 | Dolby Laboratories Licensing Corporation | Narrow aperture waveguide loudspeaker for use with flat panel display devices |
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- 2011-09-20 WO PCT/US2011/052347 patent/WO2012040200A1/en active Application Filing
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CN103119961A (zh) | 2013-05-22 |
JP5759551B2 (ja) | 2015-08-05 |
CN103119961B (zh) | 2017-08-15 |
US8295526B2 (en) | 2012-10-23 |
EP2619996A1 (en) | 2013-07-31 |
WO2012040200A1 (en) | 2012-03-29 |
US20110037906A1 (en) | 2011-02-17 |
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