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:
Nov. 01, 2011
Filed:
Nov. 16, 2009
Applicants:
Larry D. Partain, San Mateo, CA (US);
Ivan Mollov, Cupertino, CA (US);
Carlo Tognina, Stanford, CA (US);
Richard E. Colbeth, Los Altos, CA (US);
Inventors:
Larry D. Partain, San Mateo, CA (US);
Ivan Mollov, Cupertino, CA (US);
Carlo Tognina, Stanford, CA (US);
Richard E. Colbeth, Los Altos, CA (US);
Assignee:
Varian Medical Systems, Inc., Palo Alto, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H05G 1/64 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for excess signal compensation in an imaging system is described. In one particular embodiment, the invention provides for non-linear background, offset (due to time dependent dark current) and/or lag (including constant, linear and non-linear terms, due to image persistence) corrections of large area, flat panel imaging sensors.