Patent · US Expired

Dot matrix printer control and storage device

US4674895A · kind A · utility

14Cited by
3References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 20, 1985
Grant dateJun 23, 1987
Priority date
Expiry dateNov 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.