Patent · US Expired

Printing controller for printing at selected resolutions

US5045869A · kind A · utility

27Cited by
8References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 14, 1989
Grant dateSep 3, 1991
Priority date
Expiry dateSep 14, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K2215/0065
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Printing is performed with the higher one of the two resolutions designated for text data and image data if these resolutions are different from each other. If in this case the resolution designated for the text data is changed, character patterns based the an optimum number of constituent dots are selected for printing of characters of the designated size in accordance with the text data. If the resolution of the image data is changed, the image data is interpolated.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.