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:
May. 24, 2005
Filed:
Jan. 20, 2004
Applicants:
Daniel Eddleman, Sunnyvale, CA (US);
Christopher Umminger, Mountain View, CA (US);
Inventors:
Daniel Eddleman, Sunnyvale, CA (US);
Christopher Umminger, Mountain View, CA (US);
Assignee:
Linear Technology Corporation, Milpitas, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
G05F001/10 ;
U.S. Cl.
CPC ...
Abstract
The present invention comprises methods and circuits for mirroring input current in multiple stages to improve the accuracy of the mirrored output current over a wide dynamic range of input current. The current mirror circuit of the present invention automatically (1) detects an increasing magnitude of input current and (2) adapts the current mirror circuit to accommodate the increasing magnitude.