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 PDFInfo
- 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
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- transducer
- super
- transmission member
- supports
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims description 56
- 239000000463 material Substances 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001902 propagating effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
Images
Landscapes
- 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)
Priority Applications (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 |
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)
| Publication Number | Publication Date |
|---|---|
| JP2005223410A JP2005223410A (ja) | 2005-08-18 |
| JP2005223410A5 JP2005223410A5 (https=) | 2007-03-22 |
| JP4333385B2 true JP4333385B2 (ja) | 2009-09-16 |
Family
ID=34998739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4333385B2 (https=) |
Cited By (1)
| 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)
| 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 |
-
2004
- 2004-02-03 JP JP2004026729A patent/JP4333385B2/ja not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101273442B1 (ko) * | 2011-12-01 | 2013-06-11 | 유노시스템 주식회사 | 횡파 스피커 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005223410A (ja) | 2005-08-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1507438B1 (en) | Sound reproduction device and portable terminal apparatus | |
| CN111383563B (zh) | 显示装置 | |
| CN217467421U (zh) | 显示设备 | |
| JP4779526B2 (ja) | パネルスピーカ | |
| JP4802998B2 (ja) | 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 | |
| JP3994086B2 (ja) | スピーカ | |
| EP1933539B1 (en) | Apparatus and method providing sound-produced tactile feedback | |
| CN1183691C (zh) | 声外差设备与方法 | |
| JP2008244964A (ja) | 静電型超音波トランスデューサ、静電型トランスデューサ、超音波スピーカ、スピーカ装置、静電型超音波トランスデューサによる音声信号再生方法、指向性音響システム、および表示装置 | |
| JP5103873B2 (ja) | 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 | |
| JP2005110216A (ja) | 音響再生装置および携帯端末装置 | |
| JP2007515873A (ja) | ラウドスピーカ | |
| JP4333385B2 (ja) | 超指向性スピーカ、プロジェクタ、及び携帯情報端末 | |
| JP2004260346A (ja) | 電気音響変換装置 | |
| US7747029B2 (en) | Screen for playing audible signals by demodulating ultrasonic signals having the audible signals | |
| CN114223213B (zh) | 扬声器单元及扬声器 | |
| JP4358576B2 (ja) | スピーカシステムを備えた電子機器 | |
| JP2006025109A (ja) | ハイブリッド型超音波トランスデューサ、超音波スピーカ、およびハイブリッド型超音波トランスデューサの制御方法 | |
| JP2013081120A (ja) | 二輪車用バックミラー及びこれを含む音声再生システム | |
| JP2008199342A (ja) | 静電型トランスデューサ、静電型超音波トランスデューサ、超音波スピーカ、スピーカ装置、静電型トランスデューサによる音声信号再生方法、指向性音響システム、および表示装置 | |
| JP4241231B2 (ja) | プロジェクタ | |
| KR100847674B1 (ko) | 평판 스피커 | |
| JP7114827B1 (ja) | スピーカユニット、及びスピーカ湾曲振動板 | |
| JP2009232297A (ja) | 表示装置 | |
| JP2008199341A (ja) | 静電型トランスデューサ、超音波スピーカ、スピーカ装置、静電型トランスデューサによる音声信号再生方法、指向性音響システム、および表示装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20070131 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20070131 |
|
| RD04 | Notification of resignation of power of attorney |
Effective date: 20070403 Free format text: JAPANESE INTERMEDIATE CODE: A7424 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090602 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Effective date: 20090615 Free format text: JAPANESE INTERMEDIATE CODE: A61 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120703 Year of fee payment: 3 |
|
| R150 | Certificate of patent (=grant) or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120703 Year of fee payment: 3 |
|
| FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130703 Year of fee payment: 4 |
|
| LAPS | Cancellation because of no payment of annual fees |