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. 21, 2015
Filed:
Jun. 28, 2012
Applicants:
David Martin, Fort Collins, CO (US);
Joel Philliber, Fort Collins, CO (US);
John Choy, Westminster, CO (US);
Inventors:
David Martin, Fort Collins, CO (US);
Joel Philliber, Fort Collins, CO (US);
John Choy, Westminster, CO (US);
Assignee:
Avago Technologies General IP (Singapore) Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/30 (2006.01); H01L 27/20 (2006.01); H04R 17/00 (2006.01);
U.S. Cl.
CPC ...
H04R 1/30 (2013.01); H01L 27/20 (2013.01); H04R 17/005 (2013.01); H04R 2201/003 (2013.01); Y10T 29/42 (2015.01);
Abstract
An acoustic device includes a transducer formed on a first surface of a substrate and an acoustic horn formed in the substrate by a dry-etching process through an opposing second surface of the substrate. The acoustic horn is positioned to amplify sound waves from the transducer and defines a non-linear cross-sectional profile.