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:
Nov. 23, 2010
Filed:
Jul. 01, 2004
Applicants:
Stephanie Dedieu, Ontario, CA;
Philippe Moquin, Ontario, CA;
Inventors:
Stephanie Dedieu, Ontario, CA;
Philippe Moquin, Ontario, CA;
Assignee:
Mitel Networks Corporation, Ottawa, Ontario, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An array of microphones is provided wherein the microphones are positioned at the ends of cavities within a diffracting structure. The cavity depth, width, and shape are optimised to provide high directivity without grating lobes, at frequencies for which the distance between microphones is greater than half the acoustic wavelength.