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:
Jan. 22, 2013
Filed:
May. 27, 2005
Applicants:
William Robert Haas, Fort Collins, CO (US);
Kirk Steven Tecu, Greeley, CO (US);
Louis R. Turf, Iii, Loveland, CO (US);
Inventors:
William Robert Haas, Fort Collins, CO (US);
Kirk Steven Tecu, Greeley, CO (US);
Louis R. Turf, III, Loveland, CO (US);
Assignee:
Hewlett-Packard Development Company, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/46 (2006.01); H04N 1/04 (2006.01); G06K 9/40 (2006.01);
U.S. Cl.
CPC ...
Abstract
An imaging system comprises a calibration system adapted to perform a calibration scan of a charged luminescent calibration strip disposed in a scan window of an automatic document feeder. The calibration system is adapted to determine whether an opaque object is disposed within a visible area defined by the scan window from the calibration scan.