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:
Oct. 10, 2023
Filed:
Aug. 18, 2021
Applicant:
Qsc, Llc, Costa Mesa, CA (US);
Inventor:
Anders Lind, San Juan Capistrano, CA (US);
Assignee:
QSC, LLC, Costa Mesa, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03F 3/217 (2006.01); H03F 3/38 (2006.01); H03F 1/26 (2006.01);
U.S. Cl.
CPC ...
H03F 3/2171 (2013.01); H03F 2200/03 (2013.01); H03F 2200/156 (2013.01); H03F 2200/267 (2013.01); H03F 2200/351 (2013.01);
Abstract
A class-D amplifier with multiple 'nested' levels of feedback. The class-D amplifier surrounds an inner feedback loop, which takes the output of a switching amplifier and corrects for errors generated across the switching amplifier, with additional feedback loops that also take the output of the switching amplifier.