Patent · US Expired

Self-tensioning membrane touch screen

US5838309A · kind A · utility

20Cited by
4References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 4, 1996
Grant dateNov 17, 1998
Priority date
Expiry dateOct 4, 2016

Classification

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

Abstract

A digitizer including a support structure defining a digitizer area and a spacer element; a tensioned membrane disposed in spaced relationship to the support structure on the spacer element; and a peripheral flexible member extending from the support structure and including at least two independently flexible sections attached to the membrane and pretensioned counter to the tension of the membrane for deflecting and maintaining tension on the membrane to sustain the spaced relationship with the membrane relative to the structure.

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