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. 29, 2011
Filed:
Nov. 30, 2004
D. Mitchel Hanks, Fort Collins, CO (US);
Paul Boerger, Loveland, CO (US);
Andrew L. Van Brocklin, Corvallis, OR (US);
Greg J. Lipinski, Loveland, CO (US);
D. Mitchel Hanks, Fort Collins, CO (US);
Paul Boerger, Loveland, CO (US);
Andrew L. Van Brocklin, Corvallis, OR (US);
Greg J. Lipinski, Loveland, CO (US);
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
A method of measuring a relative darkness of an image recorded on a recording medium, comprising: applying first electromagnetic energy having a first wavelength to the recording medium to record an image thereon, applying second electromagnetic energy having a second wavelength different from the first wavelength to the recorded image on the recording medium, and measuring a reflection of the second electromagnetic energy from the recorded image to determine the relative darkness of the recorded image.