JP2022531254A - 音響出力装置 - Google Patents
音響出力装置 Download PDFInfo
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- JP2022531254A JP2022531254A JP2021564581A JP2021564581A JP2022531254A JP 2022531254 A JP2022531254 A JP 2022531254A JP 2021564581 A JP2021564581 A JP 2021564581A JP 2021564581 A JP2021564581 A JP 2021564581A JP 2022531254 A JP2022531254 A JP 2022531254A
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- sound
- acoustic
- frequency
- output device
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Abstract
Description
本出願は、2019年9月19日に提出された中国出願番号201910888067.6の優先権、2019年9月19日に提出された中国出願番号201910888762.2の優先権、および2019年4月30日に提出された中国出願番号201910364346.2の優先権を主張する。
110 電子分周モジュール
115 分周器
120 信号プロセッサ
130 信号プロセッサ
140 低周波音響ドライバ
143 変換器
145 音響経路
147 第1の音誘導穴
150 高周波音響ドライバ
153 変換器
155 音響経路
157 第2の音誘導穴
1100 携帯電話
1101 音誘導穴
1102 音誘導穴
1120 上部
1130 低周波音響ドライバ
1140 高周波音響ドライバ
Claims (23)
- 少なくとも2つの第1の音誘導穴から音を出力する少なくとも1つの低周波音響ドライバと、
少なくとも2つの第2の音誘導穴から音を出力する少なくとも1つの高周波音響ドライバと、
前記少なくとも1つの高周波音響ドライバおよび前記少なくとも1つの低周波音響ドライバを支持し、前記少なくとも2つの第1の音誘導穴および前記少なくとも2つの第2の音誘導穴を、ユーザの耳の位置から離れて配置するように構成された支持構成要素と、を備える音響出力装置。 - 前記低周波音響ドライバから出力される前記音が第1の周波数範囲にあり、前記高周波音響ドライバから出力される前記音が第2の周波数範囲にあり、前記第2の周波数範囲が前記第1の周波数範囲よりも高い周波数を含む、請求項1に記載の音響出力装置。
- 前記第1の周波数範囲が650Hz未満の周波数を含み、前記第2の周波数範囲が1000Hzを超える周波数を含む、請求項2に記載の音響出力装置。
- 前記第1の周波数範囲および前記第2の周波数範囲が重複する、請求項2に記載の音響出力装置。
- 前記少なくとも2つの第1の音誘導穴および前記少なくとも2つの第2の音誘導穴が前記支持構成要素上に配置されている、請求項1に記載の音響出力装置。
- 前記少なくとも2つの第1の音誘導穴から出力される前記音の振幅比が第1の振幅比であり、前記少なくとも2つの第2の音誘導穴から出力される前記音の振幅比が第2の振幅比であり、前記第1の振幅比が前記第2の振幅比よりも大きい、請求項1に記載の音響出力装置。
- 前記第1の振幅比および前記第2の振幅比が1~1.5の範囲内にある、請求項6に記載の音響出力装置。
- 前記少なくとも1つの低周波音響ドライバから前記少なくとも2つの第1の音誘導穴への第1の音響経路が、音響抵抗材を含み、前記音響抵抗材が、音響インピーダンスを有するとともに前記第1の振幅比に影響を与え、または、
前記少なくとも1つの高周波音響ドライバから前記少なくとも2つの第2の音誘導穴への第2の音響経路が、音響抵抗材を含み、前記音響抵抗材が、音響インピーダンスを有するとともに前記第2の振幅比に影響を与える、請求項6に記載の音響出力装置。 - 前記少なくとも1つの低周波音響ドライバが、前記少なくとも1つの低周波音響ドライバの第1の前部チャンバおよび第1の後部チャンバを画定する第1のハウジング内に配置されていて、
前記少なくとも1つの低周波音響ドライバの前記第1の前部チャンバが、前記少なくとも2つの第1の音誘導穴のうちの一方に音響的に結合されていて、
前記少なくとも1つの低周波音響ドライバの前記第1の後部チャンバが、前記少なくとも2つの第1の音誘導穴のうちの他方に音響的に結合されている、請求項8に記載の音響出力装置。 - 前記少なくとも1つの高周波音響ドライバが、前記少なくとも1つの高周波音響ドライバの第2の前部チャンバおよび第2の後部チャンバを画定する第2のハウジング内に配置されていて、
前記少なくとも1つの高周波音響ドライバの前記第2の前部チャンバが、前記少なくとも2つの第2の音誘導穴のうちの一方に音響的に結合されていて、
前記少なくとも1つの高周波音響ドライバの前記第2の後部チャンバが、前記少なくとも2つの第2の音誘導穴のうちの他方に音響的に結合されている、請求項9に記載の音響出力装置。 - 前記少なくとも1つの低周波音響ドライバの前記第1の前部チャンバおよび前記第1の後部チャンバが異なる音響インピーダンスを有し、前記少なくとも1つの高周波音響ドライバの前記第2の前部チャンバおよび前記第2の後部チャンバが異なる音響インピーダンスを有する、請求項10に記載の音響出力装置。
- 前記少なくとも1つの低周波音響ドライバの前記第1の前部チャンバおよび前記第1の後部チャンバの音響インピーダンス比が、前記少なくとも1つの高周波音響ドライバの前記第2の前部チャンバおよび前記第2の後部チャンバの音響インピーダンス比を超える、請求項11に記載の音響出力装置。
- 前記少なくとも1つの低周波音響ドライバの前記第1の前部チャンバおよび前記第1の後部チャンバの前記音響インピーダンス比が0.8~1.2の範囲内にある、請求項12に記載の音響出力装置。
- 前記第1の音響経路が、音誘導管、音響空洞、共鳴空洞、音穴、音スリット、または調整ネットワークのうちの少なくとも1つを含む、請求項8に記載の音響出力装置。
- 前記第1の音響経路に対応する前記音誘導管の直径が1.5mm以上である、請求項14に記載の音響出力装置。
- 前記第1の音響経路に対応する前記音誘導管の直径が10mm以下である、請求項14に記載の音響出力装置。
- 前記音響出力装置内の前記音誘導管の長さが100mm以下である、請求項14に記載の音響出力装置。
- 前記少なくとも2つの第1の音誘導穴から出力される前記音の位相差が第1の位相差であり、前記少なくとも2つの第2の音誘導穴から出力される前記音の位相差が第2の位相差であり、前記第1の位相差の絶対値が前記第2の位相差の絶対値よりも小さい、請求項1に記載の音響出力装置。
- 前記第1の位相差の前記絶対値が160~180度の範囲内にあり、前記第2の位相差の前記絶対値が170~180度の範囲内にある、請求項18に記載の音響出力装置。
- 前記少なくとも1つの低周波音響ドライバが、異なる音響経路に基づいて前記少なくとも2つの第1の音誘導穴から前記音を出力し、前記少なくとも1つの高周波音響ドライバが、異なる音響経路に基づいて前記少なくとも2つの第2の音誘導穴から前記音を出力する、請求項18に記載の音響出力装置。
- 前記少なくとも2つの第1の音誘導穴に音響的に結合された前記少なくとも1つの低周波音響ドライバの前記音響経路の比が0.5~2の範囲内にある、請求項20に記載の音響出力装置。
- 前記少なくとも2つの第1の音誘導穴が異なるサイズまたは形状を有する、請求項1に記載の音響出力装置。
- 前記少なくとも2つの第2の音誘導穴が異なるサイズまたは形状を有する、請求項1に記載の音響出力装置。
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PCT/CN2019/130884 WO2020220720A1 (zh) | 2019-04-30 | 2019-12-31 | 一种声学输出装置 |
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