Dot-matrix print controller
US4566813A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 26, 1984 |
| Grant date | Jan 28, 1986 |
| Priority date | — |
| Expiry date | Sep 26, 2004 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/355
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A dot-matrix print controller having a dot pattern generating means for generating a dot pattern to be printed and a means for supplying current pulses to a dot-matrix print head in accordance with an output of said dot pattern generating means, said controller comprising a counter means for counting the number of dots of a dot pattern to be printed; and a pulse width control means for controlling the width of said current pulses applied to said print head so that the thickness of print is constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.