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. 07, 2008
Filed:
Sep. 26, 2005
Applicants:
Carles Flotats, Barcelona, ES;
Jose M Rio Doval, Sant Cugat del Valles, ES;
Rodrigo Ruiz, Terrassa, ES;
Marcos Casaldaliga, Sant Cugat del Valles, ES;
Inventors:
Carles Flotats, Barcelona, ES;
Jose M Rio Doval, Sant Cugat del Valles, ES;
Rodrigo Ruiz, Terrassa, ES;
Marcos Casaldaliga, Sant Cugat del Valles, ES;
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/435 (2006.01);
U.S. Cl.
CPC ...
Abstract
Illumination utilizing a plurality of light sources is disclosed. In one embodiment, an illumination level is set to result in a desired contrast level. Calculations are made to derive electrical current values for each of the plurality of light sources which will illuminate a plurality of selected locations at the set illumination level.