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:
Jan. 24, 2017
Filed:
Dec. 10, 2014
Applicant:
Summit Semiconductor Llc, Hillsboro, OR (US);
Inventor:
Kenneth A. Boehlke, Portland, OR (US);
Assignee:
Summit Semiconductor LLC, Beaverton, OR (US);
Primary Examiner:
Int. Cl.
CPC ...
H04R 5/02 (2006.01); H04R 5/00 (2006.01); H04R 5/04 (2006.01); H04R 27/00 (2006.01);
U.S. Cl.
CPC ...
H04R 5/00 (2013.01); H04R 5/04 (2013.01); H04R 5/02 (2013.01); H04R 27/00 (2013.01); H04R 2420/07 (2013.01);
Abstract
A wireless speaker unit includes a radio transceiver oscillator which provides timing signals to a pulse width modulator and to a sample rate controller that provides a variable oversampling signal to a delta sigma modulator. The variable oversampling signal determined by a sampling rate of the digital audio signal.