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.
Patent No.:
Date of Patent:
Jan. 01, 2013
Filed:
May. 05, 2010
Applicant:
Yasuhiro Soeda, Yokohama, JP;
Inventor:
Yasuhiro Soeda, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 19/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A capacitive electro-mechanical transducer includes a plurality of cavities, a communicating portion for connecting the cavities to each other, and two electrodes sandwiching each of the cavities. The cavities are sealed from outside, and at least a portion of the communicating portion is closed to interrupt the communication between the cavities through the communicating portion.