JP4333385B2 - 超指向性スピーカ、プロジェクタ、及び携帯情報端末 - Google Patents

超指向性スピーカ、プロジェクタ、及び携帯情報端末 Download PDF

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Publication number
JP4333385B2
JP4333385B2 JP2004026729A JP2004026729A JP4333385B2 JP 4333385 B2 JP4333385 B2 JP 4333385B2 JP 2004026729 A JP2004026729 A JP 2004026729A JP 2004026729 A JP2004026729 A JP 2004026729A JP 4333385 B2 JP4333385 B2 JP 4333385B2
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Japan
Prior art keywords
diaphragm
transducer
super
transmission member
supports
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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JP2004026729A
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English (en)
Japanese (ja)
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JP2005223410A5 (https=
JP2005223410A (ja
Inventor
宮▲崎▼新一
昭仁 植竹
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Seiko Epson Corp
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Seiko Epson Corp
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Priority to JP2004026729A priority Critical patent/JP4333385B2/ja
Publication of JP2005223410A publication Critical patent/JP2005223410A/ja
Publication of JP2005223410A5 publication Critical patent/JP2005223410A5/ja
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Publication of JP4333385B2 publication Critical patent/JP4333385B2/ja
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  • Diaphragms For Electromechanical Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP2004026729A 2004-02-03 2004-02-03 超指向性スピーカ、プロジェクタ、及び携帯情報端末 Expired - Fee Related JP4333385B2 (ja)

Priority Applications (1)

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JP2004026729A JP4333385B2 (ja) 2004-02-03 2004-02-03 超指向性スピーカ、プロジェクタ、及び携帯情報端末

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004026729A JP4333385B2 (ja) 2004-02-03 2004-02-03 超指向性スピーカ、プロジェクタ、及び携帯情報端末

Publications (3)

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JP2005223410A JP2005223410A (ja) 2005-08-18
JP2005223410A5 JP2005223410A5 (https=) 2007-03-22
JP4333385B2 true JP4333385B2 (ja) 2009-09-16

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JP2004026729A Expired - Fee Related JP4333385B2 (ja) 2004-02-03 2004-02-03 超指向性スピーカ、プロジェクタ、及び携帯情報端末

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JP (1) JP4333385B2 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101273442B1 (ko) * 2011-12-01 2013-06-11 유노시스템 주식회사 횡파 스피커

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5103873B2 (ja) * 2005-12-07 2012-12-19 セイコーエプソン株式会社 静電型超音波トランスデューサの駆動制御方法、静電型超音波トランスデューサ、これを用いた超音波スピーカ、音声信号再生方法、超指向性音響システム及び表示装置
JP4936982B2 (ja) * 2007-05-09 2012-05-23 フォスター電機株式会社 フレキシブルディスプレイ音響装置
JP5725542B2 (ja) * 2011-02-02 2015-05-27 Necカシオモバイルコミュニケーションズ株式会社 音声出力装置
CN103535053B (zh) * 2011-05-17 2017-03-29 株式会社村田制作所 平面型扬声器以及av设备
JP5668233B1 (ja) * 2014-03-26 2015-02-12 株式会社サウンドファン 万能スピーカ
JP6870998B2 (ja) * 2017-01-30 2021-05-12 株式会社デンソーテン スピーカ装置、スピーカシステムおよびスピーカ装置の制御方法
JP2022101079A (ja) * 2020-12-24 2022-07-06 ヤマハ株式会社 パネル

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101273442B1 (ko) * 2011-12-01 2013-06-11 유노시스템 주식회사 횡파 스피커

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JP2005223410A (ja) 2005-08-18

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