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:
Mar. 22, 2011
Filed:
Sep. 01, 2005
Applicants:
Chengwu Cui, Lexington, KY (US);
Larry L. Kiser, Scottsville, NY (US);
Inventors:
Chengwu Cui, Lexington, KY (US);
Larry L. Kiser, Scottsville, NY (US);
Assignee:
Lexmark International, Inc., Lexington, KY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 1/00 (2006.01); H04N 1/46 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of estimating light output of a lamp in a scanner prior to the lamp being fully warmed-up. The method includes measuring a spectral characteristic of light emitted by a lamp in a scanner at a time tprior to the lamp being fully warmed-up and estimating the light output of the lamp at a time tbased on the measured spectral characteristic, wherein tis greater than t. A method of scanning, as well as a scanning apparatus is also provided.