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:
Jul. 10, 2018
Filed:
Nov. 19, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Ayako Kato, Machida, JP;
Kazutoshi Torashima, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B06B 1/00 (2006.01); B06B 1/02 (2006.01);
U.S. Cl.
CPC ...
B06B 1/0292 (2013.01); B06B 1/0207 (2013.01); B06B 2201/20 (2013.01);
Abstract
Provided are a method, a device and the like for driving a capacitance transducer that enable reduction of transmission sound pressure variation caused by variation in characteristics of a capacitance transducer used for, e.g., an ultrasound conversion element. A method for driving a capacitance transducer including a plurality of elements each including cells each having a structure in which a vibration membrane including one electrode of a pair of electrodes formed with a cavity therebetween is supported in such a manner that the vibration membrane can vibrate is provided.