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:
May. 21, 2019
Filed:
Apr. 14, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Kazutoshi Torashima, Yokohama, JP;
Kenichi Nagae, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 19/00 (2006.01); B06B 1/02 (2006.01); G01N 29/24 (2006.01); G01N 29/34 (2006.01);
U.S. Cl.
CPC ...
B06B 1/0292 (2013.01); G01N 29/2406 (2013.01); G01N 29/2418 (2013.01); G01N 29/34 (2013.01); G01N 2291/045 (2013.01); G01N 2291/101 (2013.01); Y10T 29/49007 (2015.01);
Abstract
Provided is a capacitive transducer including an element including a plurality of cells supported such that a vibrating membrane including one of a pair of electrodes formed with an gap inbetween is capable of vibration, wherein a distance between a pair of electrodes of a cell in an end portion of the element is greater than that between a pair of electrodes of a cell in a middle portion of the element.