Image contrast by thermal printers
US4837586A · kind A · utility
6Cited by
5References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 28, 1988 |
| Grant date | Jun 6, 1989 |
| Priority date | — |
| Expiry date | Jan 28, 2008 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/375
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A thermal paste or other thermal resistance material is placed between the ceramic substrate and heat sink of a thermal print head. By selecting the thermal resistance of the material to be sufficiently low, print contrast is improved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.