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:
Dec. 06, 2011
Filed:
Mar. 18, 2009
Applicants:
John L. Butler, Cohasset, MA (US);
Alexander L. Butler, Weymouth, MA (US);
Inventors:
John L. Butler, Cohasset, MA (US);
Alexander L. Butler, Weymouth, MA (US);
Assignee:
Image Acoustics, Inc., Cohasset, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electro-mechanical transducer is disclosed, which provides a wideband response by activating successive multiple resonant frequencies in a way which provides additive output between the resonant frequencies with reduced cancellation below the first resonance and means for controlling the response by reducing the voltage drive. A multiply resonant wideband high output transducer is disclosed.