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. 18, 2010
Filed:
Mar. 28, 2008
Applicants:
Patrick M. Brogan, Bristol, RI (US);
Frank V. Costanzo, Westport, MA (US);
William J. Marshall, Middletown, RI (US);
Dino Roberti, North Kingstown, RI (US);
Inventors:
Patrick M. Brogan, Bristol, RI (US);
Frank V. Costanzo, Westport, MA (US);
William J. Marshall, Middletown, RI (US);
Dino Roberti, North Kingstown, RI (US);
Assignee:
Raytheon Company, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 17/00 (2006.01); H01L 41/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A slotted cylinder acoustic transducer has a crescent-shaped insert disposed between a ceramic stack assembly and s cylindrical housing shell. In some embodiments, all of the ceramic elements in the ceramic stack assembly can have the same shape.