Edward J Boris

US Patent:

20040188644, Sep 30, 2004

Filed:

Apr 9, 2004

Appl. No.:

10/821320

Inventors:

Jeffrey Rappette - Waukesha WI, US
Andrew Tischendorf - Campbellsport WI, US
Mark Gerloff - New Berlin WI, US
Arie Rechavel - Glendale WI, US
Edward Boris - Cedarburg WI, US
Frank Vroman - Cedarburg WI, US
Michael Sisco - Sussex WI, US
Paul Warner - West Bend WI, US

Assignee:

Quad/Tech, Inc. - Sussex WI

International Classification:

B41F031/02
G01V008/00
H01L027/00

US Classification:

250/559440, 250/208100

Abstract:

The present invention relates generally to the field of printing presses, and specifically to a method and apparatus for visually inspecting a web moving on a printing press using a CMOS based image recording device and preferably a LED light source. The LED light source includes at least two colors of light, such as white and blue, for highlighting various ink colors with respect to the web.