Erasable display medium
US5466654A · kind A · utility
3Cited by
2References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1994 |
| Grant date | Nov 14, 1995 |
| Priority date | — |
| Expiry date | Aug 3, 2014 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41M5/426
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A display medium is disclosed, comprising at least the following layers, in this order: a heating resistive layer, a conductive layer, a background layer and an erasable thermochromic layer, and comprising a heating resistive layer which may comprise at least two layers. The display medium may also comprise a contact resistance reducing layer on the heating resistive layer and a protective layer on the erasable thermochromic layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.