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US 6,972,151 B2Granted
Magic slate capture and display device
AssigneeHewlett-Packard Development Company, L.P.
InventorBarry Bronson
Life of this patent
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Abstract
A device for forming erasable images on a reusable medium, comprising: an erasing portion; and a writing portion; wherein the erasing portion comprises a separator for separating at least two layers of the reusable medium; and wherein the writing portion comprises automatic machine-driven pressure applicators for applying pressure but no ink to the reusable medium, thereby forming an image on the reusable medium.
Claims6
A reusable medium, comprising:
- a first layer of a first material, wherein said first layer comprises a plurality of color segments each having one color;
- a second layer of a second material;
- a layer of adhesive disposed on said first layer between said first layer and said second layer;
- wherein one of said first layer or said adhesive contains a color and wherein said layer of adhesive causes an image to be formed on said second layer when said second layer is selectively contacted to said layer of adhesive;
- and
- wherein said layer of adhesive comprises a plurality of separated regions, wherein each color segment of the plurality of color segments is disposed adjacent a corresponding one of said plurality of separated regions.
3 more elements
Dependencies are inferred from the claim text.