Magic slate capture and display device
US6972151B2 · kind B2 · utility
3Cited by
14References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 25, 2003 |
| Grant date | Dec 6, 2005 |
| Priority date | — |
| Expiry date | May 6, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/2754
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.