Patent · US Expired

Split screen keyboard emulator

US5031119A · kind A · utility

47Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 12, 1989
Grant dateJul 9, 1991
Priority date
Expiry dateJun 12, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S345/901
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A system for providing keystroke data to an application program without utilizing a keyboard that simultaneously displays application program graphics and a keyboard representation on different segments of a screen. Keys are selected by touching the screen at the location of the graphic representation of the key on the screen. The system is transparent to the application program.

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