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.

Date of Patent:
Feb. 07, 2017

Filed:

Apr. 24, 2013
Applicant:

Merus Audio Aps, Herlev, DK;

Inventor:

Mikkel Høyerby, Copenhagen, DK;

Assignee:

Merus Audio APS, Herlev, DK;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 3/38 (2006.01); H03F 3/217 (2006.01); H03F 1/02 (2006.01); H03F 3/183 (2006.01);
U.S. Cl.
CPC ...
H03F 3/217 (2013.01); H03F 1/0205 (2013.01); H03F 3/183 (2013.01); H03F 2200/03 (2013.01); H03F 2200/351 (2013.01);
Abstract

The present invention relates to a class D audio amplifier comprising a pulse width modulator, an adjustable loop filter and a feedback loop. The pulse width modulator generates a first set of pulse width modulated control signals at an adjustable modulation frequency for respective switch control terminals of a first output driver. A controller of the class D audio amplifier is configured to control frequency response characteristics of the adjustable loop filter based on a frequency setting of the adjustable modulation frequency.


Find Patent Forward Citations

Høyerby, Mikkel. (2017). Class d audio amplifier with adjustable loop filter characteristics (U.S. Patent No. 9564862). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9564862

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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