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:
Jun. 04, 2019
Filed:
Apr. 05, 2018
Applicant:
Cirrus Logic International Semiconductor Ltd., Edinburgh, GB;
Inventor:
James Thomas Deas, Edinburgh, GB;
Assignee:
Cirrus Logic, Inc., Austin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/04 (2006.01); H04R 19/04 (2006.01); H04R 19/00 (2006.01);
U.S. Cl.
CPC ...
H04R 19/04 (2013.01); H04R 1/04 (2013.01); H04R 19/005 (2013.01); H04R 2201/003 (2013.01); H04R 2410/05 (2013.01); H04R 2499/11 (2013.01);
Abstract
MEMS devices are disclosed including a MEMS microphone device comprising a first transducer adjoining a sound port, a second transducer not adjoining a sound port, a housing defining a shared volume for the first and second transducers, and circuitry arranged to combine a first signal from the first transducer and a second signal from the second transducer to produce an output signal.