JP2018170785A - 表面からの反射により引き起こされるオーディオカラーレーションを低減したラウドスピーカ - Google Patents
表面からの反射により引き起こされるオーディオカラーレーションを低減したラウドスピーカ Download PDFInfo
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- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
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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
- H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- 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
- H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
- H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
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- H—ELECTRICITY
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- 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
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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
- H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers
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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
- H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
- H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
- H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
- H04R3/14—Cross-over networks
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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
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/401—2D or 3D arrays of transducers
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- General Health & Medical Sciences (AREA)
- Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Circuit For Audible Band Transducer (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
Description
Claims (24)
- 音を聴取エリア内に放出する複数のトランスデューサと、
前記トランスデューサを収容するキャビネットであって、前記複数のトランスデューサが前記キャビネットと環状構成で連結され、前記環状構成は、前記複数のトランスデューサのうち各トランスデューサによって放出された音が、前記キャビネットが置かれるテーブル面又は床から所定距離で前記キャビネットから前記聴取エリア内に解放されるような構成であるキャビネットと、を備える、ラウドスピーカ。 - 前記キャビネットの前記底部は、円錐台形であり、上側ベースと下側ベースとを接合する側壁を有し、前記上側ベースは前記下側ベースより大きく、また前記複数のトランスデューサは、前記側壁内に形成された複数の開口部内にそれぞれ環状構成で搭載される、請求項1に記載のラウドスピーカ。
- 前記トランスデューサのそれぞれのダイヤフラムの中心と、前記テーブル面又は床との間を垂直に計測して、前記所定距離は、4.0m〜20.0mmである、請求項1又は2に記載のラウドスピーカ。
- 前記トランスデューサの環は、a)前記キャビネットの下端の外面によって画定される平面と、b)前記トランスデューサのそれぞれの前記ダイヤフラムとの間に所定鋭角をなすように、下向きに傾斜されており、それによって前記所定距離が、前記ダイヤフラムの前記中心と前記キャビネットの前記下端が置かれる前記テーブル面又は床との間に達成される、請求項1、2又は3に記載のラウドスピーカ。
- 前記所定鋭角は、30.0°〜50.0°である、請求項4に記載のラウドスピーカ。
- 前記キャビネットは、円筒形であり、前記トランスデューサは、前記所定距離で前記キャビネットの底部の周りに環状に配置され、前記環は前記キャビネットの周囲と同軸である、請求項3に記載のラウドスピーカ。
- 前記キャビネットの前記底部は、円錐台形であり、上側ベースと下側ベースとを接合する側壁を有し、前記上側ベースは前記下側ベースより大きく、前記ベースプレートは、前記下側ベースと連結されたラウドスピーカであって、
前記キャビネットに搭載され、前記複数のトランスデューサから音を、それぞれ、前記キャビネットの前記側壁内に形成された複数の音出力開口部それぞれに案内するように連結された複数のホーンを更に備える、請求項1に記載のラウドスピーカ。 - 前記複数の音出力開口部のそれぞれの中心点は、前記テーブル面又は床から前記所定距離内にあり、前記所定距離は、前記音出力開口部の前記中心点と前記テーブル面又は床との間を垂直に計測して、4.0mm〜20.0mmである、請求項7に記載のラウドスピーカ。
- 前記複数のトランスデューサ用のダイヤフラムのそれぞれは、第1の方向に配置され、前記キャビネット側壁内の各開口部は、前記トランスデューサの前記ダイヤフラムによって生成された音を前記聴取エリア内に解放するように、前記第1の方向と異なる第2の方向に配置される、請求項8に記載のラウドスピーカ。
- 複数のホーンのそれぞれは、前記トランスデューサの前記ダイヤフラムの前記第1の方向と前記各開口部の前記第2の方向との差をつなぐために、湾曲しており、それによって前記トランスデューサによって生成された音が前記開口部を通じて前記聴取エリア内に解放される、請求項9に記載のラウドスピーカ。
- 前記複数のトランスデューサは複製であり、前記ラウドスピーカはアレイとして動作する、請求項3に記載のラウドスピーカ。
- 前記所定距離は、a)低周波数で音を放出するように設計されたトランスデューサは、高周波数で音を放出するように設計されたトランスデューサより長い所定距離を有するか、又は、b)ダイヤフラム直径の長いトランスデューサは、ダイヤフラム直径の短いトランスデューサより長い所定距離を有するような所定距離であるようになっている、請求項3に記載のラウドスピーカ。
- 前記トランスデューサのそれぞれによって高周波数音をリダイレクトし前記テーブル面又は床からの反射を低減するために使用される位相プラグを更に備える、請求項7に記載のラウドスピーカ。
- 前記ホーンのそれぞれに沿って、前記ホーン内に又は前記開口部に近接して位置決めされ、音反射の量を低減する共鳴器を更に備える、請求項7に記載のラウドスピーカ。
- 音を聴取エリアに放出する複数のトランスデューサと、
前記トランスデューサを収容するキャビネットと、
前記キャビネットを直立位置に安定させるベースプレートであって、前記キャビネットの底部に連結されたベースプレートと、を備え、
前記複数のトランスデューサが前記キャビネットと環状構成で連結され、前記環状構成は、前記複数のトランスデューサのうち各トランスデューサによって放出された音が、前記ベースプレートから所定距離において前記キャビネットから前記聴取エリア内に解放されるような構成である、ラウドスピーカ。 - 前記所定距離は、前記トランスデューサのそれぞれのダイヤフラムの中心と、前記ベースプレートとの間を垂直に計測して、4.0m〜20.0mmである、請求項15に記載のラウドスピーカ。
- 前記環状構成のトランスデューサは、各トランスデューサに対して、a)前記ダイヤフラムの周辺部がある平面と、b)前記ベースプレートの上面の水平面との間に所定鋭角をなすように下向きに傾斜され、それによって前記所定距離が前記ダイヤフラムの前記中心と前記ベースプレートの前記上面の前記水平面との間に得られる、請求項15に記載のラウドスピーカ。
- 前記所定鋭角は、30.0°〜50.0°である、請求項17に記載のラウドスピーカ。
- 音を聴取エリアに放出するトランスデューサと、
前記トランスデューサを収容するキャビネットとを備え、前記トランスデューサは前記キャビネットと連結されるとともに、前記キャビネットの上端より前記キャビネットの下端に近くにあり、前記下端は、テーブル面又は床の上に置かれるものであり、前記トランスデューサは、前記直立しているトランスデューサと比較して、前記トランスデューサからの音の前記テーブル面又は床からの反射によって引き起こされるコムフィルタリングを低減するように、前記下端に向かって下向きに所定鋭角で傾けられている、ラウドスピーカ。 - 前記所定鋭角は、37.5°〜42.5°である、請求項19に記載のラウドスピーカ。
- 前記所定鋭角は、前記トランスデューサの中心と、前記テーブル面又は床との間の距離が8.5mm〜11.5mmであるような角度である、請求項19に記載のラウドスピーカ。
- 音を聴取エリアに放出するトランスデューサと、
前記トランスデューサを収容するキャビネットであって、前記トランスデューサが前記キャビネットに連結されるとともに前記キャビネットの完全に内部にあり、テーブル面又は床の上に置かれる下端を有するキャビネットと、
前記開口部の中心から前記キャビネットの下端が置かれる前記テーブル面又は床までの所定の垂直距離に位置決めされた前記キャビネットの側部内の開口部と、
前記トランスデューサからの音が前記開口部を通じて最初に前記聴取エリア内に解放されるように前記トランスデューサからの音を前記開口部まで案内するホーンと、を備えるラウドスピーカ。 - 前記所定距離は、8.0mm〜13.0mmである、請求項22に記載のラウドスピーカ。
- 前記キャビネットの前記底部は、円錐台形であり、上側ベースと下側ベースとを接合する側壁を有し、前記上側ベースは前記下側ベースより大きく、また前記複数のトランスデューサは、環状構成で前記側壁内に形成された複数の開口部内にそれぞれ搭載される、請求項22又は23に記載のラウドスピーカ。
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| US201462057992P | 2014-09-30 | 2014-09-30 | |
| US62/057,992 | 2014-09-30 |
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| JP2017517245A Division JP6526185B2 (ja) | 2014-09-30 | 2015-09-29 | 表面からの反射により引き起こされるオーディオカラーレーションを低減したラウドスピーカ |
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| JP2018123988A Active JP6584596B2 (ja) | 2014-09-30 | 2018-06-29 | 表面からの反射により引き起こされるオーディオカラーレーションを低減したラウドスピーカ |
| JP2018123987A Active JP6657323B2 (ja) | 2014-09-30 | 2018-06-29 | 表面からの反射により引き起こされるオーディオカラーレーションを低減したラウドスピーカ |
| JP2020017664A Active JP7066765B2 (ja) | 2014-09-30 | 2020-02-05 | 表面からの反射により引き起こされるオーディオカラーレーションを低減したラウドスピーカ |
| JP2022073086A Active JP7566819B2 (ja) | 2014-09-30 | 2022-04-27 | 表面からの反射により引き起こされるオーディオカラーレーションを低減したラウドスピーカ |
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| JP2018123988A Active JP6584596B2 (ja) | 2014-09-30 | 2018-06-29 | 表面からの反射により引き起こされるオーディオカラーレーションを低減したラウドスピーカ |
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| EP (3) | EP3416405B1 (ja) |
| JP (5) | JP6526185B2 (ja) |
| KR (4) | KR101973488B1 (ja) |
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| CN108810732B (zh) | 2014-09-30 | 2020-03-24 | 苹果公司 | 扬声器 |
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| US10631071B2 (en) | 2016-09-23 | 2020-04-21 | Apple Inc. | Cantilevered foot for electronic device |
| US10834497B2 (en) * | 2016-09-23 | 2020-11-10 | Apple Inc. | User interface cooling using audio component |
| GB2554815B (en) * | 2016-10-03 | 2021-03-31 | Google Llc | Voice-activated electronic device assembly with separable base |
| US10531196B2 (en) * | 2017-06-02 | 2020-01-07 | Apple Inc. | Spatially ducking audio produced through a beamforming loudspeaker array |
| CN107333206B (zh) * | 2017-06-12 | 2023-11-07 | 歌尔股份有限公司 | 整体式音箱及其控制方法 |
| USD868761S1 (en) * | 2017-08-29 | 2019-12-03 | Amazon Technologies, Inc. | Device cover |
| CN109996141B (zh) * | 2018-01-03 | 2024-05-17 | 深圳市冠旭电子股份有限公司 | 音箱 |
| CN108391196B (zh) * | 2018-03-19 | 2021-05-07 | 深圳市冠旭电子股份有限公司 | 一种音频信号处理装置及音箱 |
| KR102519742B1 (ko) | 2018-08-28 | 2023-04-11 | 삼성전자주식회사 | 스피커 모듈을 포함하는 전자 장치, 및 조명 장치 |
| KR102571518B1 (ko) * | 2018-10-17 | 2023-08-28 | 삼성전자주식회사 | 복수의 스피커를 포함하는 전자 장치 |
| JP7147584B2 (ja) * | 2019-01-23 | 2022-10-05 | 浜名湖電装株式会社 | 警報音発生装置 |
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| JPS5136931A (en) * | 1974-07-25 | 1976-03-29 | Otsutoo Pensugen Karuru | Hiifi yono supiikaabotsukusu |
| JP2006304189A (ja) * | 2005-04-25 | 2006-11-02 | Nse:Kk | スピーカボックス |
| US8175304B1 (en) * | 2008-02-12 | 2012-05-08 | North Donald J | Compact loudspeaker system |
| US7837006B1 (en) * | 2009-11-04 | 2010-11-23 | Graber Curtis E | Enhanced spectrum acoustic energy projection system |
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