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:
Apr. 15, 2008
Filed:
Dec. 28, 2005
Lionel Portmann, Lausanne, CH;
Yi-chan Chen, Madou Township, Tainan County, TW;
Lionel Portmann, Lausanne, CH;
Yi-Chan Chen, Madou Township, Tainan County, TW;
Elan Microelectronics Corporation, Hsinchu, TW;
Abstract
A class AB operational buffer comprises an output stage, a voltage supply circuit to provide a first voltage and a second voltage to drive the output stage, a first current source to provide a first current, a second current source to provide a second current, a first current mirror having a first reference branch coupled with the first current and a first mirror branch coupled with the second current through the voltage supply circuit, and a second current mirror having a second reference branch coupled between the second current source and first mirror branch and a second mirror branch coupled between the first current source and first reference branch.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile