JP4508030B2 - 静電型超音波トランスデューサ及びこれを用いた超音波スピーカ - Google Patents

静電型超音波トランスデューサ及びこれを用いた超音波スピーカ Download PDF

Info

Publication number
JP4508030B2
JP4508030B2 JP2005226278A JP2005226278A JP4508030B2 JP 4508030 B2 JP4508030 B2 JP 4508030B2 JP 2005226278 A JP2005226278 A JP 2005226278A JP 2005226278 A JP2005226278 A JP 2005226278A JP 4508030 B2 JP4508030 B2 JP 4508030B2
Authority
JP
Japan
Prior art keywords
ultrasonic transducer
electrostatic
electrode
electrostatic ultrasonic
transducer according
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
Application number
JP2005226278A
Other languages
English (en)
Japanese (ja)
Other versions
JP2007043523A (ja
JP2007043523A5 (https=
Inventor
欣也 松澤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP2005226278A priority Critical patent/JP4508030B2/ja
Publication of JP2007043523A publication Critical patent/JP2007043523A/ja
Publication of JP2007043523A5 publication Critical patent/JP2007043523A5/ja
Application granted granted Critical
Publication of JP4508030B2 publication Critical patent/JP4508030B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Transducers For Ultrasonic Waves (AREA)
JP2005226278A 2005-08-04 2005-08-04 静電型超音波トランスデューサ及びこれを用いた超音波スピーカ Expired - Fee Related JP4508030B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005226278A JP4508030B2 (ja) 2005-08-04 2005-08-04 静電型超音波トランスデューサ及びこれを用いた超音波スピーカ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2005226278A JP4508030B2 (ja) 2005-08-04 2005-08-04 静電型超音波トランスデューサ及びこれを用いた超音波スピーカ

Publications (3)

Publication Number Publication Date
JP2007043523A JP2007043523A (ja) 2007-02-15
JP2007043523A5 JP2007043523A5 (https=) 2008-02-28
JP4508030B2 true JP4508030B2 (ja) 2010-07-21

Family

ID=37801079

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2005226278A Expired - Fee Related JP4508030B2 (ja) 2005-08-04 2005-08-04 静電型超音波トランスデューサ及びこれを用いた超音波スピーカ

Country Status (1)

Country Link
JP (1) JP4508030B2 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101096546B1 (ko) 2009-11-10 2011-12-22 주식회사 비에스이 정전형 스피커
JP5659598B2 (ja) * 2010-07-23 2015-01-28 日本電気株式会社 発振装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3845487B2 (ja) * 1997-02-19 2006-11-15 日本碍子株式会社 静電型スピーカ

Also Published As

Publication number Publication date
JP2007043523A (ja) 2007-02-15

Similar Documents

Publication Publication Date Title
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
JP4682927B2 (ja) 静電型超音波トランスデューサ、超音波スピーカ、音声信号再生方法、超音波トランスデューサの電極の製造方法、超音波トランスデューサの製造方法、超指向性音響システム、および表示装置
JP3873990B2 (ja) 超音波トランスデューサ及びこれを用いた超音波スピーカ
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
US7881489B2 (en) Ultrasonic transducer and ultrasonic speaker using the same
JP4269869B2 (ja) 超音波トランスデューサ
JP4285537B2 (ja) 静電型超音波トランスデューサ
JP4508030B2 (ja) 静電型超音波トランスデューサ及びこれを用いた超音波スピーカ
JP4352922B2 (ja) 超音波トランスデューサ
JP4508040B2 (ja) 静電型超音波トランスデューサ及びこれを用いた超音波スピーカ
JP2007082052A (ja) 静電型超音波トランスデューサ及びその製造方法
JP2005354473A5 (https=)
JP2005354473A (ja) 超音波トランスデューサ及びこれを用いた超音波スピーカ
JP2005341143A (ja) 超音波トランスデューサ及びこれを用いた超音波スピーカ
JP2005341143A5 (https=)
JP2008118247A (ja) 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
JP2007228472A (ja) 静電型超音波トランスデューサ、静電型超音波トランスデューサの構成方法、および超音波スピーカ
JP4803246B2 (ja) 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
JP2007104521A (ja) 静電型超音波トランスデューサ及びその製造方法
JP4706586B2 (ja) 静電型超音波トランスデューサ、静電型超音波トランスデューサの製造方法及び超音波スピーカ
JP4803245B2 (ja) 静電型超音波トランスデューサ
JP2007088680A (ja) 静電型超音波トランスデューサ及びその製造方法

Legal Events

Date Code Title Description
RD04 Notification of resignation of power of attorney

Free format text: JAPANESE INTERMEDIATE CODE: A7424

Effective date: 20070404

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20080111

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080111

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20100405

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: 20100413

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)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100426

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130514

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140514

Year of fee payment: 4

LAPS Cancellation because of no payment of annual fees