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US 2003/0203349 A1Published application
Magic slate capture and display device
AssigneeHewlett-Packard Development Company, L.P.
InventorBarry Bronson
Life of this patent
Estimating the term…
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.
Claims20
A device for forming erasable images on a reusable medium, comprising:
- an erasing portion;
- and
- a writing portion;
- wherein said erasing portion comprises a separator for separating two layers of said reusable medium;
- and
- wherein said writing portion comprises automatic pressure applicators for applying pressure but no ink to said reusable medium, thereby forming an image on said reusable medium.
3 more elements
A reusable medium, comprising:
- a first layer of a first material;
- a second layer of a second material;
- and
- a layer of adhesive disposed on said first layer between said first layer and said second layer;
- wherein one of said first layer and 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.
4 more elements
A method of forming images on a reusable medium, comprising:
- erasing said reusable medium by separating at least two layers of said reusable medium;
- and
- controlling a plurality of pressure applicators to apply pressure on said reusable medium to create an image.
Dependencies are inferred from the claim text.