Patent · US Expired

Combined character and background pattern print control system

US4584573A · kind A · utility

19Cited by
7References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 8, 1982
Grant dateApr 22, 1986
Priority date
Expiry dateJul 8, 2002

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K2215/0077
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A print control system for a word processing apparatus includes a character pattern data generation circuit and a background pattern data generation circuit. The character pattern data developed from the character pattern data generation circuit and the background pattern data developed from the background pattern data generation circuit are combined at an OR gate. A composite data signal developed from the OR gate is applied to a dot matrix printer, whereby the character pattern is superimposed on the background pattern in order to ornamentally emphasize the character pattern.

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