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. 06, 2017
Filed:
Dec. 17, 2014
Applicant:
Nxp B.v., Eindhoven, NL;
Inventors:
Temujin Gautama, Leuven, BE;
Alan OCinneide, Brussels, BE;
Lutsen Ludgerus Albertus Hendrikus Dooper, Brummen, NL;
Assignee:
NXP B.V., Eindhoven, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 29/00 (2006.01); H04R 1/00 (2006.01); H04R 3/00 (2006.01);
U.S. Cl.
CPC ...
H04R 1/00 (2013.01); H04R 3/00 (2013.01); H04R 3/002 (2013.01); H04R 3/007 (2013.01); H04R 29/001 (2013.01); H04R 29/003 (2013.01);
Abstract
A loudspeaker controller () for controlling a loudspeaker (), configured to determine time-varying impedance information of the loudspeaker () based on a loudspeaker voltage and a measure of a loudspeaker current and provide for control of the loudspeaker () in accordance with said time-varying impedance information.