Patent · US Expired

System for on-line and off-line display

US4683552A · kind A · utility

4Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 1984
Grant dateJul 28, 1987
Priority date
Expiry dateApr 25, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G5/40
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A display system operates to display characters, graphics and picture images in connection with a host computer in online mode in which character data is treated in the online display data form, and without connection of the host computer in offline mode in which character data is treated in the offline display form. Character data supplied for the online operation is converted into the offline display data form and stored for use in offline mode, or it is first stored and then converted when used in offline mode.

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