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:
Feb. 04, 2014
Filed:
Oct. 13, 2010
Applicants:
Muhammad Ejaz, Twinsburg, OH (US);
Kelly Statham, Cleveland, OH (US);
Inventors:
Muhammad Ejaz, Twinsburg, OH (US);
Kelly Statham, Cleveland, OH (US);
Assignee:
CAD Audio, LLC, Solon, OH (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A microphone circuit includes a capacitor capsule and first and second impedance converters connected differentially to the capacitor capsule. The microphone circuit includes first and second output buffer amplifiers connected differentially to the first and second impedance converters.