The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 07, 2011

Filed:

Dec. 09, 2009
Applicants:

Norikatsu Chiba, Kawasaki, JP;

Toshifumi Yamamoto, Sagamihara, JP;

Takashi Fukuda, Ome, JP;

Yasuhiro Kanishima, Ome, JP;

Shigeyasu Iwata, Hamura, JP;

Kazuyuki Saito, Hamura, JP;

Yutaka Oki, Kawasaki, JP;

Inventors:

Norikatsu Chiba, Kawasaki, JP;

Toshifumi Yamamoto, Sagamihara, JP;

Takashi Fukuda, Ome, JP;

Yasuhiro Kanishima, Ome, JP;

Shigeyasu Iwata, Hamura, JP;

Kazuyuki Saito, Hamura, JP;

Yutaka Oki, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H02B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

According to one embodiment, an acoustic apparatus comprises an electro-acoustic transducer with a first function of converting an electric signal to an acoustic signal and a second function of converting an acoustic signal to an electric signal, the electro-acoustic transducer configured to convert a measuring electric signal to a measuring acoustic signal using the first function, and to convert an acoustic response signal responding to the measuring acoustic signal from an object to an electric response signal using the second function, a switch configured to switch the first function to the second function, or vice versa, and a switch controller configured to control a function switching of the switch in accordance with a sound source signal.


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