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. 23, 2007
Filed:
Jun. 07, 2005
Applicants:
Yu-jui Chang, Tainan County, TW;
Ying-lieh Chen, Tainan County, TW;
Inventors:
Yu-Jui Chang, Tainan County, TW;
Ying-Lieh Chen, Tainan County, TW;
Assignee:
Himax Technologies Limited, Fonghua Village, Sinshih Township, Tainan County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03G 3/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
An operational amplifier circuit includes an operational amplifier, an intermediate circuitry, and a control circuitry. The intermediate circuitry is coupled to a load. The operational amplifier is coupled to the intermediate circuitry and drives the load through the intermediate circuitry according to an input signal. The control circuitry is coupled to the intermediate circuitry and controls the intermediate circuitry to adjust an equivalent loading induced by the intermediate circuitry.