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. 06, 2004
Filed:
Feb. 14, 2002
Applicant:
Inventor:
Saul Darzy, Edgware, GB;
Assignee:
STMicroelectronics Limited, Almondsbury Bristol, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05F 3/16 ;
U.S. Cl.
CPC ...
G05F 3/16 ;
Abstract
A current source circuit is described for generating control current. The circuit is capable of generating a very accurate reference current and in particular dealing with the problem which can arise from injected noise. A feedback loop is implemented to reject the charge injection noise.