JP4657225B2 - 気流スピーカ - Google Patents
気流スピーカ Download PDFInfo
- Publication number
- JP4657225B2 JP4657225B2 JP2007015352A JP2007015352A JP4657225B2 JP 4657225 B2 JP4657225 B2 JP 4657225B2 JP 2007015352 A JP2007015352 A JP 2007015352A JP 2007015352 A JP2007015352 A JP 2007015352A JP 4657225 B2 JP4657225 B2 JP 4657225B2
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- JP
- Japan
- Prior art keywords
- airflow
- passage
- sectional area
- speaker
- ultrasonic motor
- Prior art date
- 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.)
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K15/00—Acoustics not otherwise provided for
- G10K15/04—Sound-producing devices
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Description
2 気流発生手段(ファン)
3 気流通路
4 通路断面積変更手段
5 ホーン
6 吸音材
8、8A 固定板
9、9A スライド板
10 超音波モータ
10A 超音波モータ(リニア型)
22 音声信号
35 防振材
Claims (7)
- 気流を発生させる気流発生手段と、
該気流発生手段によって発生した気流が通過する気流通路と、
該気流通路の断面積を変化させる通路断面積変更手段と、を備え、
該通路断面積変更手段の駆動源が超音波モータであり、
該超音波モータは音声信号に基づいて制御される、気流スピーカ。 - 該通路断面積変更手段は、固定板と、スライド板と、を有し、
該スライド板は、該固定板と重なるように設けられており、
該固定板と該スライド板とには、それぞれ開口部が施され、
該固定板の開口部と該スライド板の開口部との重なる部分が該気流通路を形成し、
該スライド板は、該超音波モータを駆動源にして該固定板に対してスライドし、
該スライド板がスライドすることにより、該気流通路の断面積が変化する、
請求項1記載の気流スピーカ。 - 該気流発生手段によって発生した気流の流速は、亜音速以下である、請求項1又は2記載の気流スピーカ。
- ホーンをさらに備え、該ホーンは該通路断面積変更手段の下流に配設されている、請求項1乃至3のうちいずれか一の項に記載の気流スピーカ。
- 吸音材をさらに備え、該吸音材は該通路断面積変更手段の下流 及び/又は 上流に配設されている、請求項1乃至4のうちいずれか一の項に記載の気流スピーカ。
- 該超音波モータが、該気流通路内に配設されている、請求項1乃至5のうちいずれか一の項に記載の気流スピーカ。
- 該超音波モータが、防振材を介して配設されている、請求項1乃至6のうちいずれか一の項に記載の気流スピーカ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007015352A JP4657225B2 (ja) | 2007-01-25 | 2007-01-25 | 気流スピーカ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007015352A JP4657225B2 (ja) | 2007-01-25 | 2007-01-25 | 気流スピーカ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008182583A JP2008182583A (ja) | 2008-08-07 |
JP4657225B2 true JP4657225B2 (ja) | 2011-03-23 |
Family
ID=39726133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2007015352A Active JP4657225B2 (ja) | 2007-01-25 | 2007-01-25 | 気流スピーカ |
Country Status (1)
Country | Link |
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JP (1) | JP4657225B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103765920B (zh) | 2011-08-16 | 2017-03-01 | 英派尔科技开发有限公司 | 用于生成音频信号的技术 |
US10123126B2 (en) | 2014-02-08 | 2018-11-06 | Empire Technology Development Llc | MEMS-based audio speaker system using single sideband modulation |
WO2015119627A2 (en) | 2014-02-08 | 2015-08-13 | Empire Technology Development Llc | Mems-based audio speaker system with modulation element |
US10271146B2 (en) | 2014-02-08 | 2019-04-23 | Empire Technology Development Llc | MEMS dual comb drive |
US10284961B2 (en) | 2014-02-08 | 2019-05-07 | Empire Technology Development Llc | MEMS-based structure for pico speaker |
CN114679673B (zh) * | 2021-12-23 | 2023-07-11 | 浙江旗声电子科技股份有限公司 | 一种组合式扬声器及其生产设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6262700A (ja) * | 1985-09-13 | 1987-03-19 | Pioneer Electronic Corp | 空気流スピ−カ |
JPS6293898U (ja) * | 1985-11-29 | 1987-06-15 |
-
2007
- 2007-01-25 JP JP2007015352A patent/JP4657225B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6262700A (ja) * | 1985-09-13 | 1987-03-19 | Pioneer Electronic Corp | 空気流スピ−カ |
JPS6293898U (ja) * | 1985-11-29 | 1987-06-15 |
Also Published As
Publication number | Publication date |
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JP2008182583A (ja) | 2008-08-07 |
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