Printer using thermal print head
US6384854B1 · kind B1 · utility
9Cited by
38References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 1999 |
| Grant date | May 7, 2002 |
| Priority date | — |
| Expiry date | May 7, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/3558
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printer for printing an image onto a substrate includes a thermal print head having a plurality of electrical resistors, a supply of coloring material adjacent the print head for deposition on the substrate and a print head controller. The print head controller provides a pulse train output to at least one of the electrical resistors. The pulse train includes a plurality of pulses and at least one pulse has a variable width related to a binary value at least another pulse has fixed width.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.