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. 17, 2006
Filed:
Apr. 26, 2005
Applicant:
Andrew Martin Mallinson, Kelowna, CA;
Inventor:
Andrew Martin Mallinson, Kelowna, CA;
Assignee:
ESS Technology Inc., Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A high quality DAC is provided for a lower cost (including the layout size of the circuit on an audio chip) of high end DACs. The DAC includes a first circuit configured to remove even harmonics from a sigma delta circuit, and a second circuit configured to remove odd harmonics.
Mallinson, Andrew. (2006). Audio digital to analog converter with harmonic suppression (U.S. Patent No. 6987475). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6987475
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile