Title:
音響振動子及び画像生成装置
Document Type and Number:
Japanese Patent JP4625145
Kind Code:
B2
Abstract:
An acoustic transducer 56 has a first transducer 56A which transmits an acoustic primary wave having two frequency components, and a second transducer 56B which, in order to receive a reflected wave of an acoustic secondary wave generated with propagation of the acoustic primary wave, is disposed so that a region for receiving the reflected wave is superimposed on the first transducer 56A as seen along the direction of transmission of the acoustic primary wave.
Inventors:
Hideo Adachi
Kamakura Tomio
Kamakura Tomio
Application Number:
JP2010513506A
Publication Date:
February 02, 2011
Filing Date:
October 28, 2009
Export Citation:
Assignee:
オリンパスメディカルシステムズ株式会社
International Classes:
H04R3/00; A61B8/00; H04R17/00; H04R19/00
Domestic Patent References:
| JP2003265466A | 2003-09-24 | |||
| JP2005087576A | 2005-04-07 | |||
| JP2008020429A | 2008-01-31 | |||
| JPS53123633U | 1978-10-02 |
Attorney, Agent or Firm:
Susumu Ito