Touch sensitive display
US5835080A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 1992 |
| Grant date | Nov 10, 1998 |
| Priority date | — |
| Expiry date | May 12, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/04144
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A touch screen display is presented which comprises a display screen, a plate of a rigid transparent material, mounting apparatus for mounting the plate on the display screen, touch sensing transducers cooperating with the mounting apparatus for producing a plurality of electrical signals in response to, and representative of, a force applied to the plate; the force results from tactile stimulus of the plate while the mounting apparatus includes a film composed of a transparent, elastic, adhesive compound, having a similar refractive index to that of the display screen; the adhesive compound being applied to one surface of the plate for bonding that surface to the display screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.