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:
Feb. 03, 2015
Filed:
Jul. 02, 2012
Applicant:
Cheng Tao, He Fei, CN;
Inventor:
Cheng Tao, He Fei, CN;
Assignee:
MediaTek Singapore Pte. Ltd., Singapore, SG;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G05F 3/16 (2006.01); G05F 3/26 (2006.01);
U.S. Cl.
CPC ...
G05F 3/267 (2013.01);
Abstract
A control circuit includes: a first current generating circuit arranged for generating at least one output current according to a reference signal; a second current generating circuit arranged for generating a reference current corresponding to the reference signal according to the reference signal; and a follower circuit coupled to the second current generating circuit for generating a control current according to the reference current, and feeding back the control current to the first current generating circuit from the second current generating circuit in a signal-following manner to control the reference signal.