Back to results
US 2006/0132854 A1Published application
Scanning two images of media
AssigneeHewlett-Packard Development Company, L.P.
InventorsKevin Bokelman, Glenn Gaarder, Otto Sievert
Life of this patent
Estimating the term…
Abstract
In one implementation, a method scans a media to provide a first image and a second image. The method further subtracts the first image from the second image.
Claims44
A method comprising:
- scanning a media to provide a first image and a second image;
- and
- subtracting the first image from the second image.
An apparatus comprising:
- a first and a second electromagnetic wave sources;
- and
- a photoelectric converter to capture a first image from energy from the first electromagnetic wave source and a second image from energy from the second electromagnetic wave source,
- wherein the first image is subtracted from the second image.
1 more element
One or more computer-readable media having instructions stored thereon that, when executed, direct a machine to perform acts comprising:
- scanning a media to provide a first image and a second image;
- and
- subtracting the first image from the second image.
An apparatus comprising:
- means for scanning a first image and a second image of a media;
- and
- means for subtracting the first image from the second image.
Dependencies are inferred from the claim text.