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:
Oct. 25, 2005
Filed:
Jul. 30, 2003
Oscar Martinez, Barcelona, ES;
Jose Luis Valero, Barcelona, ES;
Oscar Martinez, Barcelona, ES;
Jose Luis Valero, Barcelona, ES;
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Abstract
To check that nozzles of printheadsapplying fixer or an ink to a print mediaare operating correctly, the fixer or ink is applied to selected locations on a fluorescent print media which is then subjected to ultra-violet radiation; the reflectivities at these locations are detected in the visible spectrum and the information is analyzed using appropriate image processing algorithms. In an ink-jet printer, for example, applied fixer may be irradiated with ultra-violet light by a sourceand applied inks may be irradiated with visible light, with a common detector in the visible light range being employed.