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:
Sep. 20, 2005
Filed:
Feb. 01, 2005
Daniel Van Blerkom, Pasadena, CA (US);
Steven Lei Huang, Pasadena, CA (US);
I-shiou Chen, Hsinchu, TW;
Te-sung Su, Hsinchu, TW;
Daniel Van Blerkom, Pasadena, CA (US);
Steven Lei Huang, Pasadena, CA (US);
I-Shiou Chen, Hsinchu, TW;
Te-Sung Su, Hsinchu, TW;
Sunplus Technology Co., Ltd., Hsinchu, TW;
Abstract
A common operational amplifier for a pipeline circuit is provided. The common operational amplifier is used by the stage circuits of the pipeline circuit by turns according to a predetermined timing. The common operational amplifier comprises an operational amplifier circuit, a multiplexer circuit and a demultiplexer circuit. The multiplexer circuit is provided for selecting a signal set of a stage circuit to be amplified to couple to the operational amplifier circuit, and the demultiplexer circuit is provided for transmitting the amplified signal set to the corresponding stage circuit.