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. 09, 2013
Filed:
Apr. 20, 2011
Applicant:
Pradip Thachile, Los Gatos, CA (US);
Inventor:
Pradip Thachile, Los Gatos, CA (US);
Assignee:
Fujitsu Limited, Kawasaki-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
In one embodiment, a comparator of a Flash analog-to-digital converter (ADC) is calibrated in the background by switching the comparator to a feedback loop, determining the comparator's current reference level, and adjusting the comparator's reference level to a target reference level by charging a reference capacitor coupled the comparator.