Self-tensioning membrane touch screen
US5838309A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 4, 1996 |
| Grant date | Nov 17, 1998 |
| Priority date | — |
| Expiry date | Oct 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.