Dot matrix printer control and storage device
US4674895A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 20, 1985 |
| Grant date | Jun 23, 1987 |
| Priority date | — |
| Expiry date | Nov 20, 2005 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K2215/0077
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A printer capable of operating in a bidirectional printout mode by converting a print code to pattern data and using a print head in which print elements are arranged in a plurality of arrays. A buffer control is provided for controlling in a ring structure entry and retrieval of pattern data into and out of an image buffer. A detachable font cassette stores the pattern data and data associated with print configurations. A pattern data store stores print pattern data in blocks for each of the print element arrays.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.