Patent · US Expired

Pointing device for retrofitting onto the keyboard of an existing computer system

US5579033A · kind A · utility

36Cited by
7References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 20, 1992
Grant dateNov 26, 1996
Priority date
Expiry dateMay 20, 2012

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F3/0338
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A pre-connected pointing device assembly retrofitable onto the keyboard of an existing computer system includes an analog input unit and a digital input unit physically and electrically interconnected to a data processing unit by flexible bands. The units and flexible bands are adhesively secured to the keyboard. The analog input unit is placed between two of the keys of the keyboard and the digital input unit is placed at the edge of the keypad area, preferably below the space bar. The data processing unit can be configured to fit in a recess at the rear of the keyboard.

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