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:
Dec. 01, 2015
Filed:
Feb. 25, 2011
Applicant:
Mikko Veli Aimo Suvanto, Wilkinsburg, PA (US);
Inventor:
Mikko Veli Aimo Suvanto, Wilkinsburg, PA (US);
Assignee:
Nokia Technologies Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01); H04R 7/24 (2006.01); H04R 1/04 (2006.01); H04R 1/22 (2006.01);
U.S. Cl.
CPC ...
H04R 7/24 (2013.01); H04R 1/04 (2013.01); H04R 1/22 (2013.01); H04R 3/00 (2013.01); H04R 2201/003 (2013.01);
Abstract
An acoustic transducer comprising: a flexible membrane; and a tension actuator, wherein the tension actuator is configured to be electrically controllable and define to the acoustic properties of the transducer dependent on the tension of the membrane.