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. 04, 2011
Filed:
Dec. 29, 2009
Applicants:
Guoxing LI, Sunnyvale, CA (US);
Quanwang Liu, Sichuan, CN;
Shiqiang Liu, Shenzhen, CN;
Juncai HU, Sichuan, CN;
Inventors:
Guoxing Li, Sunnyvale, CA (US);
Quanwang Liu, Sichuan, CN;
Shiqiang Liu, Shenzhen, CN;
Juncai Hu, Sichuan, CN;
Assignee:
O2Micro Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 5/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a signal monitoring system, a circuit includes an input terminal and an output terminal. In addition, a processor coupled to the circuit is operable for calculating a parameter indicative of an error factor of the circuit by setting a level difference between an input signal at the input terminal and an output signal at the output terminal to a predetermined level.