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:
Apr. 05, 2022
Filed:
Apr. 08, 2020
Applicant:
Beken Corporation, Shanghai, CN;
Inventors:
Desheng Hu, Shanghai, CN;
Donghui Gao, Shanghai, CN;
Jiazhou Liu, Shanghai, CN;
Dawei Guo, Shanghai, CN;
Assignee:
Beken Corporation, Shanghai, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04R 3/00 (2006.01); H03F 3/45 (2006.01); H03M 1/66 (2006.01);
U.S. Cl.
CPC ...
H04R 3/00 (2013.01); H03F 3/45 (2013.01); H03M 1/66 (2013.01);
Abstract
A bias circuit includes a digital-to-analog converter configured to receive a digital input and output an analog signal; an integrator coupled to a first node that is coupled to the digital-to-analog converter and an amplifier, and coupled to a second node that is coupled to a positive input port of a first comparator and a negative input port of a second comparator; the digital signal processor coupled to an output port of the first comparator and an output port of the second comparator, and coupled to an input port of the digital-to-analog converter.