CN1711798B - 宽方向性扬声器系统及平面部直接安装器具的盖安装结构 - Google Patents

宽方向性扬声器系统及平面部直接安装器具的盖安装结构 Download PDF

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Publication number
CN1711798B
CN1711798B CN200380103422.1A CN200380103422A CN1711798B CN 1711798 B CN1711798 B CN 1711798B CN 200380103422 A CN200380103422 A CN 200380103422A CN 1711798 B CN1711798 B CN 1711798B
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CN
China
Prior art keywords
speaker system
periphery hole
medium pore
radial direction
periphery
Prior art date
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Expired - Lifetime
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CN200380103422.1A
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English (en)
Chinese (zh)
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CN1711798A (zh
Inventor
岩山健
西野崇
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Toa Corp
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Toa Corp
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Priority claimed from JP2002356719A external-priority patent/JP3818959B2/ja
Application filed by Toa Corp filed Critical Toa Corp
Priority claimed from PCT/JP2003/014779 external-priority patent/WO2004047483A1/ja
Publication of CN1711798A publication Critical patent/CN1711798A/zh
Application granted granted Critical
Publication of CN1711798B publication Critical patent/CN1711798B/zh
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  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CN200380103422.1A 2002-11-20 2003-11-20 宽方向性扬声器系统及平面部直接安装器具的盖安装结构 Expired - Lifetime CN1711798B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP337104/2002 2002-11-20
JP2002337104A JP3818957B2 (ja) 2002-11-20 2002-11-20 平面部直付器具のカバー取付構造
JP356719/2002 2002-12-09
JP2002356719A JP3818959B2 (ja) 2002-12-09 2002-12-09 広指向性スピーカシステム
PCT/JP2003/014779 WO2004047483A1 (ja) 2002-11-20 2003-11-20 広指向性スピーカシステム及び平面部直付器具のカバー取付構造

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN2010101455646A Division CN101820560B (zh) 2002-11-20 2003-11-20 平面部直接安装器具的盖安装结构

Publications (2)

Publication Number Publication Date
CN1711798A CN1711798A (zh) 2005-12-21
CN1711798B true CN1711798B (zh) 2010-04-28

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN200380103422.1A Expired - Lifetime CN1711798B (zh) 2002-11-20 2003-11-20 宽方向性扬声器系统及平面部直接安装器具的盖安装结构

Country Status (2)

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JP (1) JP3818957B2 (ja)
CN (1) CN1711798B (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3288284A1 (en) * 2008-08-14 2018-02-28 Harman International Industries, Incorporated Phase plug and acoustic lens for direct radiating loudspeaker
KR200446403Y1 (ko) * 2009-03-27 2009-10-27 주식회사 인터엠 스피커장치
WO2020194522A1 (ja) * 2019-03-26 2020-10-01 ＡｌｐｈａＴｈｅｔａ株式会社 埋込型スピーカー

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JP平4-59696U 1992.05.21
JP特開2001-216830A 2001.08.10
JP特開昭51-49022A 1976.04.27

Also Published As

Publication number Publication date
JP2004173007A (ja) 2004-06-17
CN1711798A (zh) 2005-12-21
JP3818957B2 (ja) 2006-09-06

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Granted publication date: 20100428