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:
Sep. 19, 2017
Filed:
Apr. 22, 2016
Applicant:
Nokia Corporation, Espoo, FI;
Inventor:
Shengrong Shi, San Diego, CA (US);
Assignee:
Nokia Technologies Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 1/02 (2006.01); H04R 1/28 (2006.01); H04M 1/03 (2006.01); H04R 31/00 (2006.01);
U.S. Cl.
CPC ...
H04R 1/2857 (2013.01); H04M 1/035 (2013.01); H04R 1/02 (2013.01); H04R 1/2811 (2013.01); H04R 1/2819 (2013.01); H04R 31/006 (2013.01); H04R 2499/11 (2013.01); Y10T 29/49005 (2015.01);
Abstract
An apparatus including a housing member and an airflow spreader. The housing member includes an acoustic back cavity for a sound transducer and at least two second cavities in the housing member spaced from the acoustic back cavity. The airflow spreader is connected to the housing member. The airflow spreader includes a conduit system connecting the acoustic back cavity directly with each of the at least two second cavities through the airflow spreader.
Shi, Shengrong. (2017). Sound transducer acoustic back cavity system (U.S. Patent No. 9769559). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9769559
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile