Patent · US Expired

Touch sensitive display panel

US6215477A · kind A · utility

86Cited by
6References
35Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 22, 1997
Grant dateApr 10, 2001
Priority date
Expiry dateOct 22, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F3/045
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A touch sensitive display panel comprises a noisy display panel having a display screen on which images are displayed. An electronic writeboard is provided on the noisy display panel and overlies the display screen. Images displayed on the display screen are visible through the electronic writeboard. The electronic writeboard detects user input and provides output to alter displayed images. The electronic writeboard includes means to compensate for noise generated by the noisy display panel.

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