Magic slate capture and display device
US6578615B1 · kind B1 · utility
1Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 17, 2000 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | Mar 17, 2020 |
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.